1 | /* -*- mode: c++; c-basic-offset: 4; indent-tabs-mode: nil -*- */ |
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2 | /* |
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3 | * Copyright (C) 2004-2012 HUBzero Foundation, LLC |
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4 | * |
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5 | * Author: Leif Delgass <ldelgass@purdue.edu> |
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6 | */ |
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7 | |
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8 | #include <cfloat> |
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9 | #include <cstring> |
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10 | #include <cassert> |
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11 | #include <cmath> |
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12 | |
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13 | #include <GL/gl.h> |
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14 | |
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15 | #ifdef WANT_TRACE |
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16 | #include <sys/time.h> |
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17 | #endif |
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18 | |
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19 | #include <vtkMath.h> |
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20 | #include <vtkCamera.h> |
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21 | #include <vtkLight.h> |
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22 | #include <vtkLightCollection.h> |
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23 | #include <vtkCoordinate.h> |
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24 | #include <vtkTransform.h> |
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25 | #include <vtkCharArray.h> |
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26 | #ifdef USE_CUSTOM_AXES |
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27 | #include "vtkRpCubeAxesActor.h" |
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28 | #else |
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29 | #include <vtkCubeAxesActor.h> |
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30 | #endif |
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31 | #include <vtkProperty.h> |
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32 | #include <vtkProperty2D.h> |
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33 | #include <vtkPointData.h> |
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34 | #include <vtkLookupTable.h> |
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35 | #include <vtkTextProperty.h> |
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36 | #include <vtkOpenGLRenderWindow.h> |
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37 | #include <vtkVersion.h> |
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38 | |
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39 | #include "Renderer.h" |
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40 | #include "RendererGraphicsObjs.h" |
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41 | #include "Math.h" |
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42 | #include "ColorMap.h" |
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43 | #include "Trace.h" |
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44 | |
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45 | #define MSECS_ELAPSED(t1, t2) \ |
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46 | ((t1).tv_sec == (t2).tv_sec ? (((t2).tv_usec - (t1).tv_usec)/1.0e+3) : \ |
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47 | (((t2).tv_sec - (t1).tv_sec))*1.0e+3 + (double)((t2).tv_usec - (t1).tv_usec)/1.0e+3) |
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48 | |
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49 | #define printCameraInfo(camera) \ |
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50 | do { \ |
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51 | TRACE("pscale: %g, angle: %g, d: %g pos: %g %g %g, fpt: %g %g %g, vup: %g %g %g, clip: %g %g", \ |
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52 | (camera)->GetParallelScale(), \ |
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53 | (camera)->GetViewAngle(), \ |
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54 | (camera)->GetDistance(), \ |
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55 | (camera)->GetPosition()[0], \ |
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56 | (camera)->GetPosition()[1], \ |
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57 | (camera)->GetPosition()[2], \ |
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58 | (camera)->GetFocalPoint()[0], \ |
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59 | (camera)->GetFocalPoint()[1], \ |
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60 | (camera)->GetFocalPoint()[2], \ |
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61 | (camera)->GetViewUp()[0], \ |
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62 | (camera)->GetViewUp()[1], \ |
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63 | (camera)->GetViewUp()[2], \ |
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64 | (camera)->GetClippingRange()[0], \ |
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65 | (camera)->GetClippingRange()[1]); \ |
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66 | } while(0) |
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67 | |
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68 | using namespace VtkVis; |
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69 | |
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70 | Renderer::Renderer() : |
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71 | _needsRedraw(true), |
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72 | _needsAxesReset(false), |
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73 | _needsCameraClippingRangeReset(false), |
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74 | _needsCameraReset(false), |
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75 | _windowWidth(500), |
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76 | _windowHeight(500), |
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77 | _cameraMode(PERSPECTIVE), |
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78 | _cameraAspect(ASPECT_NATIVE), |
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79 | _imgCameraPlane(PLANE_XY), |
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80 | _imgCameraOffset(0), |
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81 | _cameraZoomRatio(1), |
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82 | _useCumulativeRange(true), |
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83 | _cumulativeRangeOnlyVisible(false) |
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84 | { |
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85 | _bgColor[0] = 0; |
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86 | _bgColor[1] = 0; |
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87 | _bgColor[2] = 0; |
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88 | _cameraPan[0] = 0; |
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89 | _cameraPan[1] = 0; |
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90 | _cameraOrientation[0] = 1.0; |
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91 | _cameraOrientation[1] = 0.0; |
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92 | _cameraOrientation[2] = 0.0; |
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93 | _cameraOrientation[3] = 0.0; |
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94 | // clipping planes to prevent overdrawing axes |
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95 | _activeClipPlanes = vtkSmartPointer<vtkPlaneCollection>::New(); |
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96 | // bottom |
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97 | _cameraClipPlanes[0] = vtkSmartPointer<vtkPlane>::New(); |
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98 | _cameraClipPlanes[0]->SetNormal(0, 1, 0); |
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99 | _cameraClipPlanes[0]->SetOrigin(0, 0, 0); |
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100 | if (_cameraMode == IMAGE) |
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101 | _activeClipPlanes->AddItem(_cameraClipPlanes[0]); |
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102 | // left |
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103 | _cameraClipPlanes[1] = vtkSmartPointer<vtkPlane>::New(); |
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104 | _cameraClipPlanes[1]->SetNormal(1, 0, 0); |
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105 | _cameraClipPlanes[1]->SetOrigin(0, 0, 0); |
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106 | if (_cameraMode == IMAGE) |
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107 | _activeClipPlanes->AddItem(_cameraClipPlanes[1]); |
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108 | // top |
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109 | _cameraClipPlanes[2] = vtkSmartPointer<vtkPlane>::New(); |
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110 | _cameraClipPlanes[2]->SetNormal(0, -1, 0); |
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111 | _cameraClipPlanes[2]->SetOrigin(0, 1, 0); |
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112 | if (_cameraMode == IMAGE) |
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113 | _activeClipPlanes->AddItem(_cameraClipPlanes[2]); |
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114 | // right |
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115 | _cameraClipPlanes[3] = vtkSmartPointer<vtkPlane>::New(); |
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116 | _cameraClipPlanes[3]->SetNormal(-1, 0, 0); |
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117 | _cameraClipPlanes[3]->SetOrigin(1, 0, 0); |
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118 | if (_cameraMode == IMAGE) |
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119 | _activeClipPlanes->AddItem(_cameraClipPlanes[3]); |
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120 | _renderer = vtkSmartPointer<vtkRenderer>::New(); |
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121 | |
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122 | // Global ambient (defaults to 1,1,1) |
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123 | //_renderer->SetAmbient(.2, .2, .2); |
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124 | |
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125 | _renderer->AutomaticLightCreationOff(); |
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126 | |
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127 | vtkSmartPointer<vtkLight> headlight = vtkSmartPointer<vtkLight>::New(); |
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128 | headlight->SetLightTypeToHeadlight(); |
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129 | headlight->PositionalOff(); |
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130 | // Light ambient color defaults to 0,0,0 |
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131 | //headlight->SetAmbientColor(1, 1, 1); |
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132 | _renderer->AddLight(headlight); |
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133 | |
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134 | vtkSmartPointer<vtkLight> skylight = vtkSmartPointer<vtkLight>::New(); |
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135 | skylight->SetLightTypeToCameraLight(); |
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136 | skylight->SetPosition(0, 1, 0); |
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137 | skylight->SetFocalPoint(0, 0, 0); |
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138 | skylight->PositionalOff(); |
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139 | // Light ambient color defaults to 0,0,0 |
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140 | //skylight->SetAmbientColor(1, 1, 1); |
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141 | _renderer->AddLight(skylight); |
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142 | |
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143 | _renderer->LightFollowCameraOn(); |
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144 | _renderWindow = vtkSmartPointer<vtkRenderWindow>::New(); |
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145 | #ifdef USE_OFFSCREEN_RENDERING |
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146 | _renderWindow->DoubleBufferOff(); |
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147 | _renderWindow->OffScreenRenderingOn(); |
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148 | #else |
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149 | _renderWindow->SwapBuffersOff(); |
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150 | #endif |
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151 | _renderWindow->SetSize(_windowWidth, _windowHeight); |
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152 | // Next 2 options needed to support depth peeling |
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153 | _renderWindow->SetAlphaBitPlanes(1); |
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154 | _renderWindow->SetMultiSamples(0); |
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155 | _renderer->SetMaximumNumberOfPeels(100); |
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156 | _renderer->SetUseDepthPeeling(1); |
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157 | _renderer->SetTwoSidedLighting(1); |
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158 | _renderWindow->AddRenderer(_renderer); |
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159 | setViewAngle(_windowHeight); |
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160 | initAxes(); |
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161 | initCamera(); |
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162 | addColorMap("default", ColorMap::getDefault()); |
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163 | addColorMap("grayDefault", ColorMap::getGrayDefault()); |
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164 | addColorMap("volumeDefault", ColorMap::getVolumeDefault()); |
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165 | addColorMap("elementDefault", ColorMap::getElementDefault()); |
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166 | } |
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167 | |
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168 | Renderer::~Renderer() |
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169 | { |
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170 | TRACE("Enter"); |
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171 | |
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172 | deleteAllGraphicsObjects<Arc>(); |
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173 | deleteAllGraphicsObjects<Arrow>(); |
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174 | deleteAllGraphicsObjects<Box>(); |
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175 | deleteAllGraphicsObjects<Cone>(); |
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176 | deleteAllGraphicsObjects<Contour2D>(); |
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177 | deleteAllGraphicsObjects<Contour3D>(); |
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178 | deleteAllGraphicsObjects<Cutplane>(); |
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179 | deleteAllGraphicsObjects<Cylinder>(); |
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180 | deleteAllGraphicsObjects<Disk>(); |
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181 | deleteAllGraphicsObjects<Glyphs>(); |
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182 | deleteAllGraphicsObjects<Group>(); |
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183 | deleteAllGraphicsObjects<HeightMap>(); |
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184 | deleteAllGraphicsObjects<LIC>(); |
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185 | deleteAllGraphicsObjects<Line>(); |
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186 | deleteAllGraphicsObjects<Molecule>(); |
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187 | deleteAllGraphicsObjects<Outline>(); |
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188 | deleteAllGraphicsObjects<PolyData>(); |
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189 | deleteAllGraphicsObjects<Polygon>(); |
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190 | deleteAllGraphicsObjects<PseudoColor>(); |
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191 | deleteAllGraphicsObjects<Sphere>(); |
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192 | deleteAllGraphicsObjects<Streamlines>(); |
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193 | deleteAllGraphicsObjects<Volume>(); |
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194 | deleteAllGraphicsObjects<Warp>(); |
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195 | |
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196 | TRACE("Deleting ColorMaps"); |
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197 | // Delete color maps and data sets last in case references still |
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198 | // exist |
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199 | for (ColorMapHashmap::iterator itr = _colorMaps.begin(); |
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200 | itr != _colorMaps.end(); ++itr) { |
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201 | delete itr->second; |
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202 | } |
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203 | _colorMaps.clear(); |
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204 | TRACE("Deleting DataSets"); |
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205 | for (DataSetHashmap::iterator itr = _dataSets.begin(); |
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206 | itr != _dataSets.end(); ++itr) { |
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207 | delete itr->second; |
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208 | } |
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209 | _dataSets.clear(); |
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210 | |
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211 | clearFieldRanges(); |
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212 | clearUserFieldRanges(); |
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213 | |
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214 | TRACE("Leave"); |
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215 | } |
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216 | |
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217 | /** |
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218 | * \brief Add a DataSet to this Renderer |
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219 | * |
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220 | * This just adds the DataSet to the Renderer's list of data sets. |
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221 | * In order to render the data, a graphics object using the data |
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222 | * set must be added to the Renderer. |
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223 | */ |
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224 | void Renderer::addDataSet(const DataSetId& id) |
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225 | { |
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226 | if (getDataSet(id) != NULL) { |
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227 | WARN("Replacing existing DataSet %s", id.c_str()); |
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228 | deleteDataSet(id); |
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229 | } |
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230 | _dataSets[id] = new DataSet(id); |
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231 | } |
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232 | |
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233 | /** |
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234 | * \brief Remove the specified DataSet and associated rendering objects |
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235 | * |
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236 | * The underlying DataSet and any associated graphics |
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237 | * objects are deleted, freeing the memory used. |
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238 | */ |
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239 | void Renderer::deleteDataSet(const DataSetId& id) |
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240 | { |
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241 | DataSetHashmap::iterator itr; |
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242 | |
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243 | bool doAll = false; |
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244 | |
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245 | if (id.compare("all") == 0) { |
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246 | itr = _dataSets.begin(); |
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247 | doAll = true; |
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248 | } else { |
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249 | itr = _dataSets.find(id); |
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250 | } |
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251 | if (itr == _dataSets.end()) { |
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252 | ERROR("Unknown dataset %s", id.c_str()); |
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253 | return; |
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254 | } |
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255 | |
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256 | do { |
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257 | TRACE("Deleting dataset %s", itr->second->getName().c_str()); |
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258 | |
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259 | deleteGraphicsObject<Contour2D>(itr->second->getName()); |
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260 | deleteGraphicsObject<Contour3D>(itr->second->getName()); |
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261 | deleteGraphicsObject<Cutplane>(itr->second->getName()); |
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262 | deleteGraphicsObject<Glyphs>(itr->second->getName()); |
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263 | deleteGraphicsObject<HeightMap>(itr->second->getName()); |
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264 | deleteGraphicsObject<LIC>(itr->second->getName()); |
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265 | deleteGraphicsObject<Molecule>(itr->second->getName()); |
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266 | deleteGraphicsObject<Outline>(itr->second->getName()); |
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267 | deleteGraphicsObject<PolyData>(itr->second->getName()); |
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268 | deleteGraphicsObject<PseudoColor>(itr->second->getName()); |
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269 | deleteGraphicsObject<Streamlines>(itr->second->getName()); |
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270 | deleteGraphicsObject<Volume>(itr->second->getName()); |
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271 | deleteGraphicsObject<Warp>(itr->second->getName()); |
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272 | |
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273 | TRACE("After deleting graphics objects"); |
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274 | |
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275 | delete itr->second; |
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276 | itr = _dataSets.erase(itr); |
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277 | } while (doAll && itr != _dataSets.end()); |
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278 | |
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279 | // Update cumulative data range |
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280 | initFieldRanges(); |
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281 | updateFieldRanges(); |
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282 | |
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283 | sceneBoundsChanged(); |
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284 | _needsRedraw = true; |
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285 | } |
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286 | |
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287 | /** |
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288 | * \brief Get a list of DataSets this Renderer knows about |
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289 | */ |
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290 | void Renderer::getDataSetNames(std::vector<std::string>& names) |
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291 | { |
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292 | names.clear(); |
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293 | for (DataSetHashmap::iterator itr = _dataSets.begin(); |
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294 | itr != _dataSets.end(); ++itr) { |
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295 | names.push_back(itr->second->getName()); |
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296 | } |
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297 | } |
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298 | |
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299 | /** |
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300 | * \brief Find the DataSet for the given DataSetId key |
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301 | * |
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302 | * \return A pointer to the DataSet, or NULL if not found |
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303 | */ |
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304 | DataSet *Renderer::getDataSet(const DataSetId& id) |
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305 | { |
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306 | DataSetHashmap::iterator itr = _dataSets.find(id); |
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307 | if (itr == _dataSets.end()) { |
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308 | #ifdef DEBUG |
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309 | TRACE("DataSet not found: %s", id.c_str()); |
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310 | #endif |
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311 | return NULL; |
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312 | } else |
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313 | return itr->second; |
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314 | } |
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315 | |
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316 | /** |
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317 | * \brief (Re-)load the data for the specified DataSet key from a file |
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318 | */ |
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319 | bool Renderer::setDataFile(const DataSetId& id, const char *filename) |
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320 | { |
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321 | DataSet *ds = getDataSet(id); |
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322 | if (ds) { |
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323 | bool ret = ds->setDataFile(filename); |
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324 | initFieldRanges(); |
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325 | updateFieldRanges(); |
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326 | _needsRedraw = true; |
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327 | return ret; |
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328 | } else |
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329 | return false; |
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330 | } |
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331 | |
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332 | /** |
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333 | * \brief (Re-)load the data for the specified DataSet key from a memory buffer |
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334 | */ |
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335 | bool Renderer::setData(const DataSetId& id, char *data, int nbytes) |
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336 | { |
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337 | DataSet *ds = getDataSet(id); |
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338 | if (ds) { |
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339 | bool ret = ds->setData(data, nbytes); |
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340 | initFieldRanges(); |
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341 | updateFieldRanges(); |
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342 | _needsRedraw = true; |
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343 | return ret; |
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344 | } else |
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345 | return false; |
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346 | } |
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347 | |
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348 | /** |
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349 | * \brief Set the active scalar field array by name for a DataSet |
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350 | */ |
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351 | bool Renderer::setDataSetActiveScalars(const DataSetId& id, const char *scalarName) |
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352 | { |
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353 | DataSetHashmap::iterator itr; |
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354 | |
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355 | bool doAll = false; |
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356 | |
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357 | if (id.compare("all") == 0) { |
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358 | itr = _dataSets.begin(); |
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359 | doAll = true; |
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360 | } else { |
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361 | itr = _dataSets.find(id); |
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362 | } |
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363 | if (itr == _dataSets.end()) { |
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364 | ERROR("DataSet not found: %s", id.c_str()); |
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365 | return false; |
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366 | } |
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367 | |
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368 | bool ret = true; |
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369 | bool needRangeUpdate = false; |
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370 | do { |
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371 | if (strcmp(itr->second->getActiveScalarsName(), scalarName) != 0) { |
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372 | if (!itr->second->setActiveScalars(scalarName)) { |
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373 | ret = false; |
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374 | } else { |
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375 | needRangeUpdate = true; |
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376 | } |
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377 | } |
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378 | } while (doAll && ++itr != _dataSets.end()); |
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379 | |
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380 | if (needRangeUpdate) { |
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381 | updateFieldRanges(); |
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382 | _needsRedraw = true; |
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383 | } |
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384 | |
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385 | return ret; |
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386 | } |
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387 | |
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388 | /** |
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389 | * \brief Set the active vector field array by name for a DataSet |
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390 | */ |
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391 | bool Renderer::setDataSetActiveVectors(const DataSetId& id, const char *vectorName) |
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392 | { |
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393 | DataSetHashmap::iterator itr; |
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394 | |
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395 | bool doAll = false; |
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396 | |
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397 | if (id.compare("all") == 0) { |
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398 | itr = _dataSets.begin(); |
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399 | doAll = true; |
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400 | } else { |
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401 | itr = _dataSets.find(id); |
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402 | } |
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403 | if (itr == _dataSets.end()) { |
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404 | ERROR("DataSet not found: %s", id.c_str()); |
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405 | return false; |
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406 | } |
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407 | |
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408 | bool ret = true; |
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409 | bool needRangeUpdate = false; |
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410 | do { |
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411 | if (strcmp(itr->second->getActiveVectorsName(), vectorName) != 0) { |
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412 | if (!itr->second->setActiveVectors(vectorName)) { |
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413 | ret = false; |
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414 | } else { |
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415 | needRangeUpdate = true; |
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416 | } |
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417 | } |
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418 | } while (doAll && ++itr != _dataSets.end()); |
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419 | |
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420 | if (needRangeUpdate) { |
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421 | updateFieldRanges(); |
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422 | _needsRedraw = true; |
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423 | } |
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424 | |
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425 | return ret; |
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426 | } |
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427 | |
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428 | /** |
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429 | * \brief Control whether the cumulative data range of datasets is used for |
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430 | * colormapping and contours |
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431 | * |
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432 | * NOTE: If using explicit range(s), setting cumulative ranges on will |
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433 | * remove explicit ranges on all fields |
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434 | */ |
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435 | void Renderer::setUseCumulativeDataRange(bool state, bool onlyVisible) |
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436 | { |
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437 | TRACE("use cumulative: %d, only visible: %d", (state ? 1 : 0), (onlyVisible ? 1 : 0)); |
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438 | _useCumulativeRange = state; |
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439 | _cumulativeRangeOnlyVisible = onlyVisible; |
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440 | clearUserFieldRanges(); |
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441 | updateFieldRanges(); |
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442 | resetAxes(); |
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443 | _needsRedraw = true; |
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444 | } |
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445 | |
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446 | void Renderer::resetAxes(double bounds[6]) |
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447 | { |
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448 | TRACE("Resetting axes"); |
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449 | |
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450 | if (_cubeAxesActor == NULL) { |
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451 | initAxes(); |
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452 | } |
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453 | |
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454 | if (_cameraMode == IMAGE) { |
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455 | _cubeAxesActor->SetUse2DMode(1); |
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456 | } else { |
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457 | _cubeAxesActor->SetUse2DMode(0); |
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458 | } |
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459 | |
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460 | if (_cameraMode == IMAGE) { |
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461 | return; |
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462 | } |
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463 | |
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464 | setAxesBounds(bounds); |
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465 | setAxesRanges(); |
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466 | } |
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467 | |
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468 | /** |
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469 | * \brief Explicitly set world coordinate bounds of axes |
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470 | * |
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471 | * This determines the region in world coordinates around which |
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472 | * the axes are drawn |
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473 | */ |
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474 | void Renderer::setAxesBounds(double min, double max) |
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475 | { |
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476 | setAxisBounds(X_AXIS, min, max); |
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477 | setAxisBounds(Y_AXIS, min, max); |
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478 | setAxisBounds(Z_AXIS, min, max); |
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479 | } |
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480 | |
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481 | /** |
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482 | * \brief Set axes bounds based on auto/explicit settings |
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483 | */ |
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484 | void Renderer::setAxesBounds(double boundsIn[6]) |
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485 | { |
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486 | double newBounds[6]; |
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487 | if (boundsIn != NULL) { |
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488 | memcpy(&newBounds[0], &boundsIn[0], sizeof(double)*6); |
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489 | } else { |
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490 | if (_axesAutoBounds[X_AXIS] || |
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491 | _axesAutoBounds[Y_AXIS] || |
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492 | _axesAutoBounds[Z_AXIS]) { |
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493 | collectBounds(newBounds, false); |
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494 | } |
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495 | } |
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496 | |
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497 | double bounds[6]; |
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498 | if (_axesAutoBounds[X_AXIS]) { |
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499 | memcpy(&bounds[0], &newBounds[0], sizeof(double)*2); |
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500 | } else { |
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501 | memcpy(&bounds[0], &_axesUserBounds[0], sizeof(double)*2); |
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502 | } |
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503 | if (_axesAutoBounds[Y_AXIS]) { |
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504 | memcpy(&bounds[2], &newBounds[2], sizeof(double)*2); |
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505 | } else { |
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506 | memcpy(&bounds[2], &_axesUserBounds[2], sizeof(double)*2); |
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507 | } |
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508 | if (_axesAutoBounds[Z_AXIS]) { |
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509 | memcpy(&bounds[4], &newBounds[4], sizeof(double)*2); |
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510 | } else { |
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511 | memcpy(&bounds[4], &_axesUserBounds[4], sizeof(double)*2); |
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512 | } |
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513 | |
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514 | _cubeAxesActor->SetBounds(bounds); |
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515 | |
---|
516 | TRACE("Axis bounds: %g %g %g %g %g %g", |
---|
517 | bounds[0], |
---|
518 | bounds[1], |
---|
519 | bounds[2], |
---|
520 | bounds[3], |
---|
521 | bounds[4], |
---|
522 | bounds[5]); |
---|
523 | |
---|
524 | _needsRedraw = true; |
---|
525 | } |
---|
526 | |
---|
527 | /** |
---|
528 | * \brief Toggle automatic vs. explicit range setting on all axes |
---|
529 | */ |
---|
530 | void Renderer::setAxesAutoBounds(bool state) |
---|
531 | { |
---|
532 | _axesAutoBounds[X_AXIS] = state; |
---|
533 | _axesAutoBounds[Y_AXIS] = state; |
---|
534 | _axesAutoBounds[Z_AXIS] = state; |
---|
535 | |
---|
536 | TRACE("Set axes bounds to %s", (state ? "auto" : "explicit")); |
---|
537 | |
---|
538 | setAxesBounds(); |
---|
539 | |
---|
540 | _needsRedraw = true; |
---|
541 | } |
---|
542 | |
---|
543 | /** |
---|
544 | * \brief Toggle automatic vs. explicit range setting on all axes |
---|
545 | */ |
---|
546 | void Renderer::setAxisAutoBounds(Axis axis, bool state) |
---|
547 | { |
---|
548 | _axesAutoBounds[axis] = state; |
---|
549 | |
---|
550 | TRACE("Set axis %d bounds to %s", axis, (state ? "auto" : "explicit")); |
---|
551 | |
---|
552 | setAxesBounds(); |
---|
553 | |
---|
554 | _needsRedraw = true; |
---|
555 | } |
---|
556 | |
---|
557 | /** |
---|
558 | * \brief Toggle automatic vs. explicit range setting on all axes |
---|
559 | */ |
---|
560 | void Renderer::setAxesAutoRange(bool state) |
---|
561 | { |
---|
562 | _axesRangeMode[X_AXIS] = state ? RANGE_AUTO : RANGE_EXPLICIT; |
---|
563 | _axesRangeMode[Y_AXIS] = state ? RANGE_AUTO : RANGE_EXPLICIT; |
---|
564 | _axesRangeMode[Z_AXIS] = state ? RANGE_AUTO : RANGE_EXPLICIT; |
---|
565 | |
---|
566 | TRACE("Set axes range to %s", (state ? "auto" : "explicit")); |
---|
567 | |
---|
568 | setAxesRanges(); |
---|
569 | |
---|
570 | _needsRedraw = true; |
---|
571 | } |
---|
572 | |
---|
573 | /** |
---|
574 | * \brief Explicitly set world coordinate bounds of axis |
---|
575 | * |
---|
576 | * This determines the region in world coordinates around which |
---|
577 | * the axes are drawn |
---|
578 | */ |
---|
579 | void Renderer::setAxisBounds(Axis axis, double min, double max) |
---|
580 | { |
---|
581 | double bounds[6]; |
---|
582 | _cubeAxesActor->GetBounds(bounds); |
---|
583 | |
---|
584 | bounds[axis*2 ] = _axesUserBounds[axis*2 ] = min; |
---|
585 | bounds[axis*2+1] = _axesUserBounds[axis*2+1] = max; |
---|
586 | |
---|
587 | _cubeAxesActor->SetBounds(bounds); |
---|
588 | |
---|
589 | _axesAutoBounds[axis] = false; |
---|
590 | |
---|
591 | TRACE("Axis bounds: %g %g %g %g %g %g", |
---|
592 | bounds[0], |
---|
593 | bounds[1], |
---|
594 | bounds[2], |
---|
595 | bounds[3], |
---|
596 | bounds[4], |
---|
597 | bounds[5]); |
---|
598 | |
---|
599 | _needsRedraw = true; |
---|
600 | } |
---|
601 | |
---|
602 | /** |
---|
603 | * \brief Toggle automatic vs. explicit range setting on specific axis |
---|
604 | */ |
---|
605 | void Renderer::setAxisAutoRange(Axis axis, bool state) |
---|
606 | { |
---|
607 | _axesRangeMode[axis] = state ? RANGE_AUTO : RANGE_EXPLICIT; |
---|
608 | |
---|
609 | TRACE("Set axis %d range to %s", axis, (state ? "auto" : "explicit")); |
---|
610 | |
---|
611 | setAxesRanges(); |
---|
612 | |
---|
613 | _needsRedraw = true; |
---|
614 | } |
---|
615 | |
---|
616 | /** |
---|
617 | * \brief Set explicit range on axes and disable auto range |
---|
618 | */ |
---|
619 | void Renderer::setAxesRange(double min, double max) |
---|
620 | { |
---|
621 | setAxisRange(X_AXIS, min, max); |
---|
622 | setAxisRange(Y_AXIS, min, max); |
---|
623 | setAxisRange(Z_AXIS, min, max); |
---|
624 | } |
---|
625 | |
---|
626 | /** |
---|
627 | * \brief Explicitly set power multiplier for axes labels |
---|
628 | * |
---|
629 | * The exponent will appear in the axis title and be omitted from labels |
---|
630 | */ |
---|
631 | void Renderer::setAxesLabelPowerScaling(int xPow, int yPow, int zPow, bool useCustom) |
---|
632 | { |
---|
633 | _cubeAxesActor->SetLabelScaling(!useCustom, xPow, yPow, zPow); |
---|
634 | |
---|
635 | TRACE("Set axis label scaling: custom: %d, powers: %d,%d,%d", (int)useCustom, xPow, yPow, zPow); |
---|
636 | |
---|
637 | _needsRedraw = true; |
---|
638 | } |
---|
639 | |
---|
640 | /** |
---|
641 | * \brief Set explicit range on axis and disable auto range |
---|
642 | */ |
---|
643 | void Renderer::setAxisRange(Axis axis, double min, double max) |
---|
644 | { |
---|
645 | switch (axis) { |
---|
646 | case X_AXIS: |
---|
647 | _axesRangeMode[X_AXIS] = RANGE_EXPLICIT; |
---|
648 | _cubeAxesActor->SetXAxisRange(min, max); |
---|
649 | break; |
---|
650 | case Y_AXIS: |
---|
651 | _axesRangeMode[Y_AXIS] = RANGE_EXPLICIT; |
---|
652 | _cubeAxesActor->SetYAxisRange(min, max); |
---|
653 | break; |
---|
654 | case Z_AXIS: |
---|
655 | _axesRangeMode[Z_AXIS] = RANGE_EXPLICIT; |
---|
656 | _cubeAxesActor->SetZAxisRange(min, max); |
---|
657 | break; |
---|
658 | default: |
---|
659 | break; |
---|
660 | } |
---|
661 | |
---|
662 | TRACE("Set axis %d range to: %g, %g", axis, min, max); |
---|
663 | |
---|
664 | _needsRedraw = true; |
---|
665 | } |
---|
666 | |
---|
667 | /** |
---|
668 | * \brief Set axes ranges based on bounds and range modes |
---|
669 | */ |
---|
670 | void Renderer::setAxesRanges() |
---|
671 | { |
---|
672 | computeAxesScale(); |
---|
673 | |
---|
674 | double bounds[6]; |
---|
675 | _cubeAxesActor->GetBounds(bounds); |
---|
676 | |
---|
677 | double ranges[6]; |
---|
678 | if (_axesRangeMode[X_AXIS] != RANGE_EXPLICIT) { |
---|
679 | ranges[0] = bounds[0] * _axesScale[X_AXIS]; |
---|
680 | ranges[1] = bounds[1] * _axesScale[X_AXIS]; |
---|
681 | _cubeAxesActor->SetXAxisRange(&ranges[0]); |
---|
682 | } else { |
---|
683 | _cubeAxesActor->GetXAxisRange(&ranges[0]); |
---|
684 | } |
---|
685 | |
---|
686 | if (_axesRangeMode[Y_AXIS] != RANGE_EXPLICIT) { |
---|
687 | ranges[2] = bounds[2] * _axesScale[Y_AXIS]; |
---|
688 | ranges[3] = bounds[3] * _axesScale[Y_AXIS]; |
---|
689 | _cubeAxesActor->SetYAxisRange(&ranges[2]); |
---|
690 | } else { |
---|
691 | _cubeAxesActor->GetYAxisRange(&ranges[2]); |
---|
692 | } |
---|
693 | |
---|
694 | if (_axesRangeMode[Z_AXIS] != RANGE_EXPLICIT) { |
---|
695 | ranges[4] = bounds[4] * _axesScale[Z_AXIS]; |
---|
696 | ranges[5] = bounds[5] * _axesScale[Z_AXIS]; |
---|
697 | _cubeAxesActor->SetZAxisRange(&ranges[4]); |
---|
698 | } else { |
---|
699 | _cubeAxesActor->GetZAxisRange(&ranges[4]); |
---|
700 | } |
---|
701 | |
---|
702 | TRACE("Axis ranges: %g %g %g %g %g %g", |
---|
703 | ranges[0], |
---|
704 | ranges[1], |
---|
705 | ranges[2], |
---|
706 | ranges[3], |
---|
707 | ranges[4], |
---|
708 | ranges[5]); |
---|
709 | |
---|
710 | _needsRedraw = true; |
---|
711 | } |
---|
712 | |
---|
713 | /** |
---|
714 | * \brief Compute scaling from axes bounds to ranges |
---|
715 | * |
---|
716 | * Uses actor scaling to determine if world coordinates |
---|
717 | * need to be scaled to undo actor scaling in range labels |
---|
718 | */ |
---|
719 | void Renderer::computeAxesScale() |
---|
720 | { |
---|
721 | if (_axesRangeMode[X_AXIS] != RANGE_AUTO && |
---|
722 | _axesRangeMode[Y_AXIS] != RANGE_AUTO && |
---|
723 | _axesRangeMode[Z_AXIS] != RANGE_AUTO) |
---|
724 | return; |
---|
725 | |
---|
726 | double bounds[6]; |
---|
727 | if (_cameraMode == IMAGE) { |
---|
728 | collectBounds(bounds, false); |
---|
729 | } else |
---|
730 | _cubeAxesActor->GetBounds(bounds); |
---|
731 | |
---|
732 | double unscaledBounds[6]; |
---|
733 | collectUnscaledBounds(unscaledBounds, false); |
---|
734 | |
---|
735 | if (_axesRangeMode[X_AXIS] == RANGE_AUTO) { |
---|
736 | double sx = (bounds[1] == bounds[0]) ? 1.0 : (unscaledBounds[1] - unscaledBounds[0]) / (bounds[1] - bounds[0]); |
---|
737 | _axesScale[X_AXIS] = sx; |
---|
738 | TRACE("Setting X axis scale to: %g", sx); |
---|
739 | } |
---|
740 | if (_axesRangeMode[Y_AXIS] == RANGE_AUTO) { |
---|
741 | double sy = (bounds[3] == bounds[2]) ? 1.0 : (unscaledBounds[3] - unscaledBounds[2]) / (bounds[3] - bounds[2]); |
---|
742 | _axesScale[Y_AXIS] = sy; |
---|
743 | TRACE("Setting Y axis scale to: %g", sy); |
---|
744 | } |
---|
745 | if (_axesRangeMode[Y_AXIS] == RANGE_AUTO) { |
---|
746 | double sz = (bounds[5] == bounds[4]) ? 1.0 : (unscaledBounds[5] - unscaledBounds[4]) / (bounds[5] - bounds[4]); |
---|
747 | _axesScale[Z_AXIS] = sz; |
---|
748 | TRACE("Setting Z axis scale to: %g", sz); |
---|
749 | } |
---|
750 | } |
---|
751 | |
---|
752 | /** |
---|
753 | * \brief Set scaling factor to convert world coordinates to axis |
---|
754 | * label values in X, Y, Z |
---|
755 | */ |
---|
756 | void Renderer::setAxesScale(double scale) |
---|
757 | { |
---|
758 | _axesRangeMode[X_AXIS] = RANGE_SCALE_BOUNDS; |
---|
759 | _axesRangeMode[Y_AXIS] = RANGE_SCALE_BOUNDS; |
---|
760 | _axesRangeMode[Z_AXIS] = RANGE_SCALE_BOUNDS; |
---|
761 | |
---|
762 | _axesScale[X_AXIS] = scale; |
---|
763 | _axesScale[Y_AXIS] = scale; |
---|
764 | _axesScale[Z_AXIS] = scale; |
---|
765 | |
---|
766 | TRACE("Setting axes scale to: %g", scale); |
---|
767 | |
---|
768 | setAxesRanges(); |
---|
769 | } |
---|
770 | |
---|
771 | /** |
---|
772 | * \brief Set scaling factor to convert world coordinates to axis label values |
---|
773 | */ |
---|
774 | void Renderer::setAxisScale(Axis axis, double scale) |
---|
775 | { |
---|
776 | _axesRangeMode[axis] = RANGE_SCALE_BOUNDS; |
---|
777 | _axesScale[axis] = scale; |
---|
778 | |
---|
779 | TRACE("Setting axis %d scale to: %g", axis, scale); |
---|
780 | |
---|
781 | setAxesRanges(); |
---|
782 | } |
---|
783 | |
---|
784 | /** |
---|
785 | * \brief Set an origin point within the axes bounds where the axes will intersect |
---|
786 | * |
---|
787 | * \param x X coordinate of origin |
---|
788 | * \param y Y coordinate of origin |
---|
789 | * \param z Z coordinate of origin |
---|
790 | * \param useCustom Flag indicating if custom origin is to be used/enabled |
---|
791 | */ |
---|
792 | void Renderer::setAxesOrigin(double x, double y, double z, bool useCustom) |
---|
793 | { |
---|
794 | _cubeAxesActor->SetAxisOrigin(x, y, z); |
---|
795 | _cubeAxesActor->SetUseAxisOrigin((useCustom ? 1 : 0)); |
---|
796 | |
---|
797 | _needsRedraw = true; |
---|
798 | } |
---|
799 | |
---|
800 | /** |
---|
801 | * \brief Set inital properties on the 2D Axes |
---|
802 | */ |
---|
803 | void Renderer::initAxes() |
---|
804 | { |
---|
805 | TRACE("Initializing axes"); |
---|
806 | #ifdef USE_CUSTOM_AXES |
---|
807 | if (_cubeAxesActor == NULL) |
---|
808 | _cubeAxesActor = vtkSmartPointer<vtkRpCubeAxesActor>::New(); |
---|
809 | #else |
---|
810 | if (_cubeAxesActor == NULL) |
---|
811 | _cubeAxesActor = vtkSmartPointer<vtkCubeAxesActor>::New(); |
---|
812 | #endif |
---|
813 | _cubeAxesActor->SetCamera(_renderer->GetActiveCamera()); |
---|
814 | _cubeAxesActor->GetProperty()->LightingOff(); |
---|
815 | // Don't offset labels at origin |
---|
816 | _cubeAxesActor->SetCornerOffset(0); |
---|
817 | _cubeAxesActor->SetFlyModeToStaticTriad(); |
---|
818 | |
---|
819 | _cubeAxesActor->SetGridLineLocation(VTK_GRID_LINES_ALL); |
---|
820 | _cubeAxesActor->SetDrawXInnerGridlines(0); |
---|
821 | _cubeAxesActor->SetDrawYInnerGridlines(0); |
---|
822 | _cubeAxesActor->SetDrawZInnerGridlines(0); |
---|
823 | _cubeAxesActor->SetDrawXGridpolys(0); |
---|
824 | _cubeAxesActor->SetDrawYGridpolys(0); |
---|
825 | _cubeAxesActor->SetDrawZGridpolys(0); |
---|
826 | _cubeAxesActor->SetDistanceLODThreshold(1); |
---|
827 | _cubeAxesActor->SetEnableDistanceLOD(0); |
---|
828 | _cubeAxesActor->SetViewAngleLODThreshold(0); |
---|
829 | _cubeAxesActor->SetEnableViewAngleLOD(0); |
---|
830 | // Attempt to set font sizes for 2D (this currently doesn't work) |
---|
831 | for (int i = 0; i < 3; i++) { |
---|
832 | _cubeAxesActor->GetTitleTextProperty(i)->SetFontSize(14); |
---|
833 | _cubeAxesActor->GetLabelTextProperty(i)->SetFontSize(12); |
---|
834 | } |
---|
835 | // Set font pixel size for 3D |
---|
836 | _cubeAxesActor->SetScreenSize(8.0); |
---|
837 | |
---|
838 | _cubeAxesActor->SetBounds(0, 1, 0, 1, 0, 1); |
---|
839 | _cubeAxesActor->SetXAxisRange(0, 1); |
---|
840 | _cubeAxesActor->SetYAxisRange(0, 1); |
---|
841 | _cubeAxesActor->SetZAxisRange(0, 1); |
---|
842 | for (int axis = 0; axis < 3; axis++) { |
---|
843 | _axesAutoBounds[axis] = true; |
---|
844 | _axesRangeMode[axis] = RANGE_AUTO; |
---|
845 | _axesScale[axis] = 1.0; |
---|
846 | } |
---|
847 | |
---|
848 | double axesColor[] = {1,1,1}; |
---|
849 | setAxesColor(axesColor); |
---|
850 | |
---|
851 | if (!_renderer->HasViewProp(_cubeAxesActor)) |
---|
852 | _renderer->AddViewProp(_cubeAxesActor); |
---|
853 | |
---|
854 | if (_cameraMode == IMAGE) { |
---|
855 | _cubeAxesActor->SetUse2DMode(1); |
---|
856 | } else { |
---|
857 | _cubeAxesActor->SetUse2DMode(0); |
---|
858 | } |
---|
859 | } |
---|
860 | |
---|
861 | /** |
---|
862 | * \brief Set Fly mode of axes |
---|
863 | */ |
---|
864 | void Renderer::setAxesFlyMode(AxesFlyMode mode) |
---|
865 | { |
---|
866 | if (_cubeAxesActor == NULL) |
---|
867 | return; |
---|
868 | |
---|
869 | switch (mode) { |
---|
870 | case FLY_STATIC_EDGES: |
---|
871 | _cubeAxesActor->SetFlyModeToStaticEdges(); |
---|
872 | _cubeAxesActor->SetGridLineLocation(VTK_GRID_LINES_ALL); |
---|
873 | break; |
---|
874 | case FLY_STATIC_TRIAD: |
---|
875 | _cubeAxesActor->SetFlyModeToStaticTriad(); |
---|
876 | _cubeAxesActor->SetGridLineLocation(VTK_GRID_LINES_ALL); |
---|
877 | break; |
---|
878 | case FLY_OUTER_EDGES: |
---|
879 | _cubeAxesActor->SetFlyModeToOuterEdges(); |
---|
880 | _cubeAxesActor->SetGridLineLocation(VTK_GRID_LINES_ALL); |
---|
881 | break; |
---|
882 | case FLY_FURTHEST_TRIAD: |
---|
883 | _cubeAxesActor->SetFlyModeToFurthestTriad(); |
---|
884 | _cubeAxesActor->SetGridLineLocation(VTK_GRID_LINES_FURTHEST); |
---|
885 | break; |
---|
886 | case FLY_CLOSEST_TRIAD: |
---|
887 | default: |
---|
888 | _cubeAxesActor->SetFlyModeToClosestTriad(); |
---|
889 | _cubeAxesActor->SetGridLineLocation(VTK_GRID_LINES_CLOSEST); |
---|
890 | break; |
---|
891 | } |
---|
892 | _needsRedraw = true; |
---|
893 | } |
---|
894 | |
---|
895 | /** |
---|
896 | * \brief Set color of axes, ticks, labels, titles |
---|
897 | */ |
---|
898 | void Renderer::setAxesColor(double color[3], double opacity) |
---|
899 | { |
---|
900 | setAxesTitleColor(color, opacity); |
---|
901 | setAxesLabelColor(color, opacity); |
---|
902 | setAxesLinesColor(color, opacity); |
---|
903 | setAxesGridlinesColor(color, opacity); |
---|
904 | setAxesInnerGridlinesColor(color, opacity); |
---|
905 | setAxesGridpolysColor(color, opacity); |
---|
906 | } |
---|
907 | |
---|
908 | /** |
---|
909 | * \brief Set color of axes title text |
---|
910 | */ |
---|
911 | void Renderer::setAxesTitleColor(double color[3], double opacity) |
---|
912 | { |
---|
913 | setAxisTitleColor(X_AXIS, color, opacity); |
---|
914 | setAxisTitleColor(Y_AXIS, color, opacity); |
---|
915 | setAxisTitleColor(Z_AXIS, color, opacity); |
---|
916 | } |
---|
917 | |
---|
918 | /** |
---|
919 | * \brief Set color of axes label text |
---|
920 | */ |
---|
921 | void Renderer::setAxesLabelColor(double color[3], double opacity) |
---|
922 | { |
---|
923 | setAxisLabelColor(X_AXIS, color, opacity); |
---|
924 | setAxisLabelColor(Y_AXIS, color, opacity); |
---|
925 | setAxisLabelColor(Z_AXIS, color, opacity); |
---|
926 | } |
---|
927 | |
---|
928 | /** |
---|
929 | * \brief Set color of main axes lines |
---|
930 | */ |
---|
931 | void Renderer::setAxesLinesColor(double color[3], double opacity) |
---|
932 | { |
---|
933 | setAxisLinesColor(X_AXIS, color, opacity); |
---|
934 | setAxisLinesColor(Y_AXIS, color, opacity); |
---|
935 | setAxisLinesColor(Z_AXIS, color, opacity); |
---|
936 | } |
---|
937 | |
---|
938 | /** |
---|
939 | * \brief Set color of axis gridlines |
---|
940 | */ |
---|
941 | void Renderer::setAxesGridlinesColor(double color[3], double opacity) |
---|
942 | { |
---|
943 | setAxisGridlinesColor(X_AXIS, color, opacity); |
---|
944 | setAxisGridlinesColor(Y_AXIS, color, opacity); |
---|
945 | setAxisGridlinesColor(Z_AXIS, color, opacity); |
---|
946 | } |
---|
947 | |
---|
948 | /** |
---|
949 | * \brief Set color of axes inner gridlines |
---|
950 | */ |
---|
951 | void Renderer::setAxesInnerGridlinesColor(double color[3], double opacity) |
---|
952 | { |
---|
953 | setAxisInnerGridlinesColor(X_AXIS, color, opacity); |
---|
954 | setAxisInnerGridlinesColor(Y_AXIS, color, opacity); |
---|
955 | setAxisInnerGridlinesColor(Z_AXIS, color, opacity); |
---|
956 | } |
---|
957 | |
---|
958 | /** |
---|
959 | * \brief Set color of axes inner grid polygons |
---|
960 | */ |
---|
961 | void Renderer::setAxesGridpolysColor(double color[3], double opacity) |
---|
962 | { |
---|
963 | setAxisGridpolysColor(X_AXIS, color, opacity); |
---|
964 | setAxisGridpolysColor(Y_AXIS, color, opacity); |
---|
965 | setAxisGridpolysColor(Z_AXIS, color, opacity); |
---|
966 | } |
---|
967 | |
---|
968 | /** |
---|
969 | * \brief Turn on/off rendering of all enabled axes |
---|
970 | */ |
---|
971 | void Renderer::setAxesVisibility(bool state) |
---|
972 | { |
---|
973 | if (_cubeAxesActor != NULL) { |
---|
974 | _cubeAxesActor->SetVisibility((state ? 1 : 0)); |
---|
975 | _needsRedraw = true; |
---|
976 | } |
---|
977 | } |
---|
978 | |
---|
979 | /** |
---|
980 | * \brief Turn on/off rendering of all axes gridlines |
---|
981 | */ |
---|
982 | void Renderer::setAxesGridVisibility(bool state) |
---|
983 | { |
---|
984 | setAxisGridVisibility(X_AXIS, state); |
---|
985 | setAxisGridVisibility(Y_AXIS, state); |
---|
986 | setAxisGridVisibility(Z_AXIS, state); |
---|
987 | } |
---|
988 | |
---|
989 | /** |
---|
990 | * \brief Turn on/off rendering of all axes inner gridlines |
---|
991 | */ |
---|
992 | void Renderer::setAxesInnerGridVisibility(bool state) |
---|
993 | { |
---|
994 | setAxisInnerGridVisibility(X_AXIS, state); |
---|
995 | setAxisInnerGridVisibility(Y_AXIS, state); |
---|
996 | setAxisInnerGridVisibility(Z_AXIS, state); |
---|
997 | } |
---|
998 | |
---|
999 | /** |
---|
1000 | * \brief Turn on/off rendering of all axes inner grid polygons |
---|
1001 | */ |
---|
1002 | void Renderer::setAxesGridpolysVisibility(bool state) |
---|
1003 | { |
---|
1004 | setAxisGridpolysVisibility(X_AXIS, state); |
---|
1005 | setAxisGridpolysVisibility(Y_AXIS, state); |
---|
1006 | setAxisGridpolysVisibility(Z_AXIS, state); |
---|
1007 | } |
---|
1008 | |
---|
1009 | /** |
---|
1010 | * \brief Turn on/off rendering of all axis labels |
---|
1011 | */ |
---|
1012 | void Renderer::setAxesLabelVisibility(bool state) |
---|
1013 | { |
---|
1014 | setAxisLabelVisibility(X_AXIS, state); |
---|
1015 | setAxisLabelVisibility(Y_AXIS, state); |
---|
1016 | setAxisLabelVisibility(Z_AXIS, state); |
---|
1017 | } |
---|
1018 | |
---|
1019 | /** |
---|
1020 | * \brief Turn on/off rendering of all axis ticks |
---|
1021 | */ |
---|
1022 | void Renderer::setAxesTickVisibility(bool state) |
---|
1023 | { |
---|
1024 | setAxisTickVisibility(X_AXIS, state); |
---|
1025 | setAxisTickVisibility(Y_AXIS, state); |
---|
1026 | setAxisTickVisibility(Z_AXIS, state); |
---|
1027 | } |
---|
1028 | |
---|
1029 | /** |
---|
1030 | * \brief Turn on/off rendering of all axis ticks |
---|
1031 | */ |
---|
1032 | void Renderer::setAxesMinorTickVisibility(bool state) |
---|
1033 | { |
---|
1034 | setAxisMinorTickVisibility(X_AXIS, state); |
---|
1035 | setAxisMinorTickVisibility(Y_AXIS, state); |
---|
1036 | setAxisMinorTickVisibility(Z_AXIS, state); |
---|
1037 | } |
---|
1038 | |
---|
1039 | /** |
---|
1040 | * \brief Control position of ticks on 3D axes |
---|
1041 | */ |
---|
1042 | void Renderer::setAxesTickPosition(AxesTickPosition pos) |
---|
1043 | { |
---|
1044 | if (_cubeAxesActor == NULL) |
---|
1045 | return; |
---|
1046 | |
---|
1047 | switch (pos) { |
---|
1048 | case TICKS_BOTH: |
---|
1049 | _cubeAxesActor->SetTickLocationToBoth(); |
---|
1050 | break; |
---|
1051 | case TICKS_OUTSIDE: |
---|
1052 | _cubeAxesActor->SetTickLocationToOutside(); |
---|
1053 | break; |
---|
1054 | case TICKS_INSIDE: |
---|
1055 | default: |
---|
1056 | _cubeAxesActor->SetTickLocationToInside(); |
---|
1057 | break; |
---|
1058 | } |
---|
1059 | _needsRedraw = true; |
---|
1060 | } |
---|
1061 | |
---|
1062 | /** |
---|
1063 | * \brief Controls label scaling by power of 10 |
---|
1064 | */ |
---|
1065 | void Renderer::setAxesLabelScaling(bool autoScale, int xpow, int ypow, int zpow) |
---|
1066 | { |
---|
1067 | if (_cubeAxesActor != NULL) { |
---|
1068 | _cubeAxesActor->SetLabelScaling(autoScale, xpow, ypow, zpow); |
---|
1069 | _needsRedraw = true; |
---|
1070 | } |
---|
1071 | } |
---|
1072 | |
---|
1073 | /** |
---|
1074 | * \brief Set axes title/label font size in pixels |
---|
1075 | */ |
---|
1076 | void Renderer::setAxesPixelFontSize(double screenSize) |
---|
1077 | { |
---|
1078 | if (_cubeAxesActor != NULL) { |
---|
1079 | TRACE("Setting axes font size to: %g px", screenSize); |
---|
1080 | _cubeAxesActor->SetScreenSize(screenSize); |
---|
1081 | _needsRedraw = true; |
---|
1082 | } |
---|
1083 | } |
---|
1084 | |
---|
1085 | /** |
---|
1086 | * \brief Set axis title font family |
---|
1087 | */ |
---|
1088 | void Renderer::setAxesTitleFont(const char *fontName) |
---|
1089 | { |
---|
1090 | setAxisTitleFont(X_AXIS, fontName); |
---|
1091 | setAxisTitleFont(Y_AXIS, fontName); |
---|
1092 | setAxisTitleFont(Z_AXIS, fontName); |
---|
1093 | } |
---|
1094 | |
---|
1095 | /** |
---|
1096 | * \brief Set axis title font size |
---|
1097 | */ |
---|
1098 | void Renderer::setAxesTitleFontSize(int sz) |
---|
1099 | { |
---|
1100 | setAxisTitleFontSize(X_AXIS, sz); |
---|
1101 | setAxisTitleFontSize(Y_AXIS, sz); |
---|
1102 | setAxisTitleFontSize(Z_AXIS, sz); |
---|
1103 | } |
---|
1104 | |
---|
1105 | /** |
---|
1106 | * \brief Set orientation (as rotation in degrees) of axis title |
---|
1107 | */ |
---|
1108 | void Renderer::setAxesTitleOrientation(double orientation) |
---|
1109 | { |
---|
1110 | setAxisTitleOrientation(X_AXIS, orientation); |
---|
1111 | setAxisTitleOrientation(Y_AXIS, orientation); |
---|
1112 | setAxisTitleOrientation(Z_AXIS, orientation); |
---|
1113 | } |
---|
1114 | |
---|
1115 | /** |
---|
1116 | * \brief Set axis label font family |
---|
1117 | */ |
---|
1118 | void Renderer::setAxesLabelFont(const char *fontName) |
---|
1119 | { |
---|
1120 | setAxisLabelFont(X_AXIS, fontName); |
---|
1121 | setAxisLabelFont(Y_AXIS, fontName); |
---|
1122 | setAxisLabelFont(Z_AXIS, fontName); |
---|
1123 | } |
---|
1124 | |
---|
1125 | /** |
---|
1126 | * \brief Set axis label font size |
---|
1127 | */ |
---|
1128 | void Renderer::setAxesLabelFontSize(int sz) |
---|
1129 | { |
---|
1130 | setAxisLabelFontSize(X_AXIS, sz); |
---|
1131 | setAxisLabelFontSize(Y_AXIS, sz); |
---|
1132 | setAxisLabelFontSize(Z_AXIS, sz); |
---|
1133 | } |
---|
1134 | |
---|
1135 | /** |
---|
1136 | * \brief Set orientation (as rotation in degrees) of axis labels |
---|
1137 | */ |
---|
1138 | void Renderer::setAxesLabelOrientation(double orientation) |
---|
1139 | { |
---|
1140 | setAxisLabelOrientation(X_AXIS, orientation); |
---|
1141 | setAxisLabelOrientation(Y_AXIS, orientation); |
---|
1142 | setAxisLabelOrientation(Z_AXIS, orientation); |
---|
1143 | } |
---|
1144 | |
---|
1145 | /** |
---|
1146 | * \brief Set printf style label format string |
---|
1147 | */ |
---|
1148 | void Renderer::setAxesLabelFormat(const char *format) |
---|
1149 | { |
---|
1150 | setAxisLabelFormat(X_AXIS, format); |
---|
1151 | setAxisLabelFormat(Y_AXIS, format); |
---|
1152 | setAxisLabelFormat(Z_AXIS, format); |
---|
1153 | } |
---|
1154 | |
---|
1155 | /** |
---|
1156 | * \brief Turn on/off rendering of the specified axis |
---|
1157 | */ |
---|
1158 | void Renderer::setAxisVisibility(Axis axis, bool state) |
---|
1159 | { |
---|
1160 | if (_cubeAxesActor != NULL) { |
---|
1161 | if (axis == X_AXIS) { |
---|
1162 | _cubeAxesActor->SetXAxisVisibility((state ? 1 : 0)); |
---|
1163 | } else if (axis == Y_AXIS) { |
---|
1164 | _cubeAxesActor->SetYAxisVisibility((state ? 1 : 0)); |
---|
1165 | } else if (axis == Z_AXIS) { |
---|
1166 | _cubeAxesActor->SetZAxisVisibility((state ? 1 : 0)); |
---|
1167 | } |
---|
1168 | _needsRedraw = true; |
---|
1169 | } |
---|
1170 | } |
---|
1171 | |
---|
1172 | /** |
---|
1173 | * \brief Turn on/off rendering of single axis gridlines |
---|
1174 | */ |
---|
1175 | void Renderer::setAxisGridVisibility(Axis axis, bool state) |
---|
1176 | { |
---|
1177 | if (_cubeAxesActor != NULL) { |
---|
1178 | if (axis == X_AXIS) { |
---|
1179 | _cubeAxesActor->SetDrawXGridlines((state ? 1 : 0)); |
---|
1180 | } else if (axis == Y_AXIS) { |
---|
1181 | _cubeAxesActor->SetDrawYGridlines((state ? 1 : 0)); |
---|
1182 | } else if (axis == Z_AXIS) { |
---|
1183 | _cubeAxesActor->SetDrawZGridlines((state ? 1 : 0)); |
---|
1184 | } |
---|
1185 | _needsRedraw = true; |
---|
1186 | } |
---|
1187 | } |
---|
1188 | |
---|
1189 | /** |
---|
1190 | * \brief Turn on/off rendering of single axis gridlines |
---|
1191 | */ |
---|
1192 | void Renderer::setAxisInnerGridVisibility(Axis axis, bool state) |
---|
1193 | { |
---|
1194 | if (_cubeAxesActor != NULL) { |
---|
1195 | if (axis == X_AXIS) { |
---|
1196 | _cubeAxesActor->SetDrawXInnerGridlines((state ? 1 : 0)); |
---|
1197 | } else if (axis == Y_AXIS) { |
---|
1198 | _cubeAxesActor->SetDrawYInnerGridlines((state ? 1 : 0)); |
---|
1199 | } else if (axis == Z_AXIS) { |
---|
1200 | _cubeAxesActor->SetDrawZInnerGridlines((state ? 1 : 0)); |
---|
1201 | } |
---|
1202 | _needsRedraw = true; |
---|
1203 | } |
---|
1204 | } |
---|
1205 | |
---|
1206 | /** |
---|
1207 | * \brief Turn on/off rendering of single axis gridlines |
---|
1208 | */ |
---|
1209 | void Renderer::setAxisGridpolysVisibility(Axis axis, bool state) |
---|
1210 | { |
---|
1211 | if (_cubeAxesActor != NULL) { |
---|
1212 | if (axis == X_AXIS) { |
---|
1213 | _cubeAxesActor->SetDrawXGridpolys((state ? 1 : 0)); |
---|
1214 | } else if (axis == Y_AXIS) { |
---|
1215 | _cubeAxesActor->SetDrawYGridpolys((state ? 1 : 0)); |
---|
1216 | } else if (axis == Z_AXIS) { |
---|
1217 | _cubeAxesActor->SetDrawZGridpolys((state ? 1 : 0)); |
---|
1218 | } |
---|
1219 | _needsRedraw = true; |
---|
1220 | } |
---|
1221 | } |
---|
1222 | |
---|
1223 | /** |
---|
1224 | * \brief Toggle label visibility for the specified axis |
---|
1225 | */ |
---|
1226 | void Renderer::setAxisLabelVisibility(Axis axis, bool state) |
---|
1227 | { |
---|
1228 | if (_cubeAxesActor != NULL) { |
---|
1229 | if (axis == X_AXIS) { |
---|
1230 | _cubeAxesActor->SetXAxisLabelVisibility((state ? 1 : 0)); |
---|
1231 | } else if (axis == Y_AXIS) { |
---|
1232 | _cubeAxesActor->SetYAxisLabelVisibility((state ? 1 : 0)); |
---|
1233 | } else if (axis == Z_AXIS) { |
---|
1234 | _cubeAxesActor->SetZAxisLabelVisibility((state ? 1 : 0)); |
---|
1235 | } |
---|
1236 | _needsRedraw = true; |
---|
1237 | } |
---|
1238 | } |
---|
1239 | |
---|
1240 | /** |
---|
1241 | * \brief Toggle tick visibility for the specified axis |
---|
1242 | */ |
---|
1243 | void Renderer::setAxisTickVisibility(Axis axis, bool state) |
---|
1244 | { |
---|
1245 | if (_cubeAxesActor != NULL) { |
---|
1246 | if (axis == X_AXIS) { |
---|
1247 | _cubeAxesActor->SetXAxisTickVisibility((state ? 1 : 0)); |
---|
1248 | } else if (axis == Y_AXIS) { |
---|
1249 | _cubeAxesActor->SetYAxisTickVisibility((state ? 1 : 0)); |
---|
1250 | } else if (axis == Z_AXIS) { |
---|
1251 | _cubeAxesActor->SetZAxisTickVisibility((state ? 1 : 0)); |
---|
1252 | } |
---|
1253 | _needsRedraw = true; |
---|
1254 | } |
---|
1255 | } |
---|
1256 | |
---|
1257 | /** |
---|
1258 | * \brief Toggle tick visibility for the specified axis |
---|
1259 | */ |
---|
1260 | void Renderer::setAxisMinorTickVisibility(Axis axis, bool state) |
---|
1261 | { |
---|
1262 | if (_cubeAxesActor != NULL) { |
---|
1263 | if (axis == X_AXIS) { |
---|
1264 | _cubeAxesActor->SetXAxisMinorTickVisibility((state ? 1 : 0)); |
---|
1265 | } else if (axis == Y_AXIS) { |
---|
1266 | _cubeAxesActor->SetYAxisMinorTickVisibility((state ? 1 : 0)); |
---|
1267 | } else if (axis == Z_AXIS) { |
---|
1268 | _cubeAxesActor->SetZAxisMinorTickVisibility((state ? 1 : 0)); |
---|
1269 | } |
---|
1270 | _needsRedraw = true; |
---|
1271 | } |
---|
1272 | } |
---|
1273 | |
---|
1274 | /** |
---|
1275 | * \brief Set color of axis lines, ticks, labels, titles |
---|
1276 | */ |
---|
1277 | void Renderer::setAxisColor(Axis axis, double color[3], double opacity) |
---|
1278 | { |
---|
1279 | setAxisTitleColor(axis, color, opacity); |
---|
1280 | setAxisLabelColor(axis, color, opacity); |
---|
1281 | setAxisLinesColor(axis, color, opacity); |
---|
1282 | setAxisGridlinesColor(axis, color, opacity); |
---|
1283 | setAxisInnerGridlinesColor(axis, color, opacity); |
---|
1284 | setAxisGridpolysColor(axis, color, opacity); |
---|
1285 | } |
---|
1286 | |
---|
1287 | /** |
---|
1288 | * \brief Set color of axis title text |
---|
1289 | */ |
---|
1290 | void Renderer::setAxisTitleColor(Axis axis, double color[3], double opacity) |
---|
1291 | { |
---|
1292 | if (_cubeAxesActor != NULL) { |
---|
1293 | _cubeAxesActor->GetTitleTextProperty(axis)->SetColor(color); |
---|
1294 | _cubeAxesActor->GetTitleTextProperty(axis)->SetOpacity(opacity); |
---|
1295 | _needsRedraw = true; |
---|
1296 | } |
---|
1297 | } |
---|
1298 | |
---|
1299 | /** |
---|
1300 | * \brief Set color of axis label text |
---|
1301 | */ |
---|
1302 | void Renderer::setAxisLabelColor(Axis axis, double color[3], double opacity) |
---|
1303 | { |
---|
1304 | if (_cubeAxesActor != NULL) { |
---|
1305 | _cubeAxesActor->GetLabelTextProperty(axis)->SetColor(color); |
---|
1306 | _cubeAxesActor->GetLabelTextProperty(axis)->SetOpacity(opacity); |
---|
1307 | _needsRedraw = true; |
---|
1308 | } |
---|
1309 | } |
---|
1310 | |
---|
1311 | /** |
---|
1312 | * \brief Set color of main axis line |
---|
1313 | */ |
---|
1314 | void Renderer::setAxisLinesColor(Axis axis, double color[3], double opacity) |
---|
1315 | { |
---|
1316 | if (_cubeAxesActor != NULL) { |
---|
1317 | switch (axis) { |
---|
1318 | case X_AXIS: |
---|
1319 | _cubeAxesActor->GetXAxesLinesProperty()->SetColor(color); |
---|
1320 | _cubeAxesActor->GetXAxesLinesProperty()->SetOpacity(opacity); |
---|
1321 | break; |
---|
1322 | case Y_AXIS: |
---|
1323 | _cubeAxesActor->GetYAxesLinesProperty()->SetColor(color); |
---|
1324 | _cubeAxesActor->GetYAxesLinesProperty()->SetOpacity(opacity); |
---|
1325 | break; |
---|
1326 | case Z_AXIS: |
---|
1327 | _cubeAxesActor->GetZAxesLinesProperty()->SetColor(color); |
---|
1328 | _cubeAxesActor->GetZAxesLinesProperty()->SetOpacity(opacity); |
---|
1329 | break; |
---|
1330 | default: |
---|
1331 | ; |
---|
1332 | } |
---|
1333 | _needsRedraw = true; |
---|
1334 | } |
---|
1335 | } |
---|
1336 | |
---|
1337 | /** |
---|
1338 | * \brief Set color of axis gridlines |
---|
1339 | */ |
---|
1340 | void Renderer::setAxisGridlinesColor(Axis axis, double color[3], double opacity) |
---|
1341 | { |
---|
1342 | if (_cubeAxesActor != NULL) { |
---|
1343 | switch (axis) { |
---|
1344 | case X_AXIS: |
---|
1345 | _cubeAxesActor->GetXAxesGridlinesProperty()->SetColor(color); |
---|
1346 | _cubeAxesActor->GetXAxesGridlinesProperty()->SetOpacity(opacity); |
---|
1347 | break; |
---|
1348 | case Y_AXIS: |
---|
1349 | _cubeAxesActor->GetYAxesGridlinesProperty()->SetColor(color); |
---|
1350 | _cubeAxesActor->GetYAxesGridlinesProperty()->SetOpacity(opacity); |
---|
1351 | break; |
---|
1352 | case Z_AXIS: |
---|
1353 | _cubeAxesActor->GetZAxesGridlinesProperty()->SetColor(color); |
---|
1354 | _cubeAxesActor->GetZAxesGridlinesProperty()->SetOpacity(opacity); |
---|
1355 | break; |
---|
1356 | default: |
---|
1357 | ; |
---|
1358 | } |
---|
1359 | _needsRedraw = true; |
---|
1360 | } |
---|
1361 | } |
---|
1362 | |
---|
1363 | /** |
---|
1364 | * \brief Set color of axis inner gridlines |
---|
1365 | */ |
---|
1366 | void Renderer::setAxisInnerGridlinesColor(Axis axis, double color[3], double opacity) |
---|
1367 | { |
---|
1368 | if (_cubeAxesActor != NULL) { |
---|
1369 | switch (axis) { |
---|
1370 | case X_AXIS: |
---|
1371 | _cubeAxesActor->GetXAxesInnerGridlinesProperty()->SetColor(color); |
---|
1372 | _cubeAxesActor->GetXAxesInnerGridlinesProperty()->SetOpacity(opacity); |
---|
1373 | break; |
---|
1374 | case Y_AXIS: |
---|
1375 | _cubeAxesActor->GetYAxesInnerGridlinesProperty()->SetColor(color); |
---|
1376 | _cubeAxesActor->GetYAxesInnerGridlinesProperty()->SetOpacity(opacity); |
---|
1377 | break; |
---|
1378 | case Z_AXIS: |
---|
1379 | _cubeAxesActor->GetZAxesInnerGridlinesProperty()->SetColor(color); |
---|
1380 | _cubeAxesActor->GetZAxesInnerGridlinesProperty()->SetOpacity(opacity); |
---|
1381 | break; |
---|
1382 | default: |
---|
1383 | ; |
---|
1384 | } |
---|
1385 | _needsRedraw = true; |
---|
1386 | } |
---|
1387 | } |
---|
1388 | |
---|
1389 | /** |
---|
1390 | * \brief Set color of axis inner grid polygons |
---|
1391 | * |
---|
1392 | * Default opacity is 0.6 |
---|
1393 | */ |
---|
1394 | void Renderer::setAxisGridpolysColor(Axis axis, double color[3], double opacity) |
---|
1395 | { |
---|
1396 | if (_cubeAxesActor != NULL) { |
---|
1397 | switch (axis) { |
---|
1398 | case X_AXIS: |
---|
1399 | _cubeAxesActor->GetXAxesGridpolysProperty()->SetColor(color); |
---|
1400 | _cubeAxesActor->GetXAxesGridpolysProperty()->SetOpacity(opacity); |
---|
1401 | break; |
---|
1402 | case Y_AXIS: |
---|
1403 | _cubeAxesActor->GetYAxesGridpolysProperty()->SetColor(color); |
---|
1404 | _cubeAxesActor->GetYAxesGridpolysProperty()->SetOpacity(opacity); |
---|
1405 | break; |
---|
1406 | case Z_AXIS: |
---|
1407 | _cubeAxesActor->GetZAxesGridpolysProperty()->SetColor(color); |
---|
1408 | _cubeAxesActor->GetZAxesGridpolysProperty()->SetOpacity(opacity); |
---|
1409 | break; |
---|
1410 | default: |
---|
1411 | ; |
---|
1412 | } |
---|
1413 | _needsRedraw = true; |
---|
1414 | } |
---|
1415 | } |
---|
1416 | |
---|
1417 | /** |
---|
1418 | * \brief Set title of the specified axis |
---|
1419 | */ |
---|
1420 | void Renderer::setAxisTitle(Axis axis, const char *title) |
---|
1421 | { |
---|
1422 | if (_cubeAxesActor != NULL) { |
---|
1423 | if (axis == X_AXIS) { |
---|
1424 | _cubeAxesActor->SetXTitle(title); |
---|
1425 | } else if (axis == Y_AXIS) { |
---|
1426 | _cubeAxesActor->SetYTitle(title); |
---|
1427 | } else if (axis == Z_AXIS) { |
---|
1428 | _cubeAxesActor->SetZTitle(title); |
---|
1429 | } |
---|
1430 | _needsRedraw = true; |
---|
1431 | } |
---|
1432 | } |
---|
1433 | |
---|
1434 | /** |
---|
1435 | * \brief Set units of the specified axis |
---|
1436 | */ |
---|
1437 | void Renderer::setAxisUnits(Axis axis, const char *units) |
---|
1438 | { |
---|
1439 | if (_cubeAxesActor != NULL) { |
---|
1440 | if (axis == X_AXIS) { |
---|
1441 | _cubeAxesActor->SetXUnits(units); |
---|
1442 | } else if (axis == Y_AXIS) { |
---|
1443 | _cubeAxesActor->SetYUnits(units); |
---|
1444 | } else if (axis == Z_AXIS) { |
---|
1445 | _cubeAxesActor->SetZUnits(units); |
---|
1446 | } |
---|
1447 | _needsRedraw = true; |
---|
1448 | } |
---|
1449 | } |
---|
1450 | |
---|
1451 | /** |
---|
1452 | * \brief Set axis title font family |
---|
1453 | */ |
---|
1454 | void Renderer::setAxisTitleFont(Axis axis, const char *fontName) |
---|
1455 | { |
---|
1456 | if (_cubeAxesActor != NULL) { |
---|
1457 | TRACE("Setting axis %d title font to: '%s'", axis, fontName); |
---|
1458 | _cubeAxesActor->GetTitleTextProperty(axis)->SetFontFamilyAsString(fontName); |
---|
1459 | _needsRedraw = true; |
---|
1460 | } |
---|
1461 | } |
---|
1462 | |
---|
1463 | /** |
---|
1464 | * \brief Set axis title font size (and optionally pixel size) |
---|
1465 | */ |
---|
1466 | void Renderer::setAxisTitleFontSize(Axis axis, int sz) |
---|
1467 | { |
---|
1468 | if (_cubeAxesActor != NULL) { |
---|
1469 | TRACE("Setting axis %d title font size to: %d", axis, sz); |
---|
1470 | _cubeAxesActor->GetTitleTextProperty(axis)->SetFontSize(sz); |
---|
1471 | _needsRedraw = true; |
---|
1472 | } |
---|
1473 | } |
---|
1474 | |
---|
1475 | /** |
---|
1476 | * \brief Set orientation (as rotation in degrees) of axis titles |
---|
1477 | */ |
---|
1478 | void Renderer::setAxisTitleOrientation(Axis axis, double orientation) |
---|
1479 | { |
---|
1480 | if (_cubeAxesActor != NULL) { |
---|
1481 | TRACE("Setting axis %d title orientation to: %g", axis, orientation); |
---|
1482 | _cubeAxesActor->GetTitleTextProperty(axis)->SetOrientation(orientation); |
---|
1483 | _needsRedraw = true; |
---|
1484 | } |
---|
1485 | } |
---|
1486 | |
---|
1487 | /** |
---|
1488 | * \brief Set axis label font family |
---|
1489 | */ |
---|
1490 | void Renderer::setAxisLabelFont(Axis axis, const char *fontName) |
---|
1491 | { |
---|
1492 | if (_cubeAxesActor != NULL) { |
---|
1493 | TRACE("Setting axis %d label font to: '%s'", axis, fontName); |
---|
1494 | _cubeAxesActor->GetLabelTextProperty(axis)->SetFontFamilyAsString(fontName); |
---|
1495 | _needsRedraw = true; |
---|
1496 | } |
---|
1497 | } |
---|
1498 | |
---|
1499 | /** |
---|
1500 | * \brief Set axis label font size (and optionally pixel size) |
---|
1501 | */ |
---|
1502 | void Renderer::setAxisLabelFontSize(Axis axis, int sz) |
---|
1503 | { |
---|
1504 | if (_cubeAxesActor != NULL) { |
---|
1505 | TRACE("Setting axis %d label font size to: %d", axis, sz); |
---|
1506 | _cubeAxesActor->GetLabelTextProperty(axis)->SetFontSize(sz); |
---|
1507 | _needsRedraw = true; |
---|
1508 | } |
---|
1509 | } |
---|
1510 | |
---|
1511 | /** |
---|
1512 | * \brief Set orientation (as rotation in degrees) of axis labels |
---|
1513 | */ |
---|
1514 | void Renderer::setAxisLabelOrientation(Axis axis, double orientation) |
---|
1515 | { |
---|
1516 | if (_cubeAxesActor != NULL) { |
---|
1517 | TRACE("Setting axis %d label orientation to: %g", axis, orientation); |
---|
1518 | _cubeAxesActor->GetLabelTextProperty(axis)->SetOrientation(orientation); |
---|
1519 | _needsRedraw = true; |
---|
1520 | } |
---|
1521 | } |
---|
1522 | |
---|
1523 | /** |
---|
1524 | * \brief Set printf style label format string |
---|
1525 | */ |
---|
1526 | void Renderer::setAxisLabelFormat(Axis axis, const char *format) |
---|
1527 | { |
---|
1528 | if (_cubeAxesActor != NULL) { |
---|
1529 | TRACE("Setting axis %d label format to: '%s'", axis, format); |
---|
1530 | if (axis == X_AXIS) { |
---|
1531 | _cubeAxesActor->SetXLabelFormat(format); |
---|
1532 | _cubeAxesActor->XAutoLabelFormatOff(); |
---|
1533 | } else if (axis == Y_AXIS) { |
---|
1534 | _cubeAxesActor->SetYLabelFormat(format); |
---|
1535 | _cubeAxesActor->YAutoLabelFormatOff(); |
---|
1536 | } else if (axis == Z_AXIS) { |
---|
1537 | _cubeAxesActor->SetZLabelFormat(format); |
---|
1538 | _cubeAxesActor->ZAutoLabelFormatOff(); |
---|
1539 | } |
---|
1540 | _needsRedraw = true; |
---|
1541 | } |
---|
1542 | } |
---|
1543 | |
---|
1544 | /** |
---|
1545 | * \brief Notify graphics objects that color map has changed |
---|
1546 | */ |
---|
1547 | void Renderer::updateColorMap(ColorMap *cmap) |
---|
1548 | { |
---|
1549 | TRACE("%s", cmap->getName().c_str()); |
---|
1550 | updateGraphicsObjectColorMap<Contour2D>(cmap); |
---|
1551 | updateGraphicsObjectColorMap<Contour3D>(cmap); |
---|
1552 | updateGraphicsObjectColorMap<Cutplane>(cmap); |
---|
1553 | updateGraphicsObjectColorMap<Glyphs>(cmap); |
---|
1554 | updateGraphicsObjectColorMap<HeightMap>(cmap); |
---|
1555 | updateGraphicsObjectColorMap<LIC>(cmap); |
---|
1556 | updateGraphicsObjectColorMap<Molecule>(cmap); |
---|
1557 | updateGraphicsObjectColorMap<PseudoColor>(cmap); |
---|
1558 | updateGraphicsObjectColorMap<Streamlines>(cmap); |
---|
1559 | updateGraphicsObjectColorMap<Volume>(cmap); |
---|
1560 | updateGraphicsObjectColorMap<Warp>(cmap); |
---|
1561 | TRACE("Leave"); |
---|
1562 | } |
---|
1563 | |
---|
1564 | /** |
---|
1565 | * \brief Check if a ColorMap is in use by graphics objects |
---|
1566 | */ |
---|
1567 | bool Renderer::colorMapUsed(ColorMap *cmap) |
---|
1568 | { |
---|
1569 | if (graphicsObjectColorMapUsed<Contour2D>(cmap)) |
---|
1570 | return true; |
---|
1571 | if (graphicsObjectColorMapUsed<Contour3D>(cmap)) |
---|
1572 | return true; |
---|
1573 | if (graphicsObjectColorMapUsed<Cutplane>(cmap)) |
---|
1574 | return true; |
---|
1575 | if (graphicsObjectColorMapUsed<Glyphs>(cmap)) |
---|
1576 | return true; |
---|
1577 | if (graphicsObjectColorMapUsed<HeightMap>(cmap)) |
---|
1578 | return true; |
---|
1579 | if (graphicsObjectColorMapUsed<LIC>(cmap)) |
---|
1580 | return true; |
---|
1581 | if (graphicsObjectColorMapUsed<Molecule>(cmap)) |
---|
1582 | return true; |
---|
1583 | if (graphicsObjectColorMapUsed<PseudoColor>(cmap)) |
---|
1584 | return true; |
---|
1585 | if (graphicsObjectColorMapUsed<Streamlines>(cmap)) |
---|
1586 | return true; |
---|
1587 | if (graphicsObjectColorMapUsed<Volume>(cmap)) |
---|
1588 | return true; |
---|
1589 | if (graphicsObjectColorMapUsed<Warp>(cmap)) |
---|
1590 | return true; |
---|
1591 | |
---|
1592 | return false; |
---|
1593 | } |
---|
1594 | |
---|
1595 | /** |
---|
1596 | * \brief Add/replace a ColorMap for use in the Renderer |
---|
1597 | */ |
---|
1598 | void Renderer::addColorMap(const ColorMapId& id, ColorMap *colorMap) |
---|
1599 | { |
---|
1600 | if (colorMap != NULL) { |
---|
1601 | colorMap->build(); |
---|
1602 | if (getColorMap(id) != NULL) { |
---|
1603 | TRACE("Replacing existing ColorMap %s", id.c_str()); |
---|
1604 | // Copy to current colormap to avoid invalidating |
---|
1605 | // pointers in graphics objects using the color map |
---|
1606 | *_colorMaps[id] = *colorMap; |
---|
1607 | delete colorMap; |
---|
1608 | // Notify graphics objects of change |
---|
1609 | updateColorMap(_colorMaps[id]); |
---|
1610 | } else |
---|
1611 | _colorMaps[id] = colorMap; |
---|
1612 | } else { |
---|
1613 | ERROR("NULL ColorMap"); |
---|
1614 | } |
---|
1615 | } |
---|
1616 | |
---|
1617 | /** |
---|
1618 | * \brief Return the ColorMap associated with the colormap key given |
---|
1619 | */ |
---|
1620 | ColorMap *Renderer::getColorMap(const ColorMapId& id) |
---|
1621 | { |
---|
1622 | ColorMapHashmap::iterator itr = _colorMaps.find(id); |
---|
1623 | |
---|
1624 | if (itr == _colorMaps.end()) |
---|
1625 | return NULL; |
---|
1626 | else |
---|
1627 | return itr->second; |
---|
1628 | } |
---|
1629 | |
---|
1630 | /** |
---|
1631 | * \brief Remove the colormap associated with the key given |
---|
1632 | * |
---|
1633 | * The underlying vtkLookupTable will be deleted if it is not referenced |
---|
1634 | * by any other objects |
---|
1635 | */ |
---|
1636 | void Renderer::deleteColorMap(const ColorMapId& id) |
---|
1637 | { |
---|
1638 | ColorMapHashmap::iterator itr; |
---|
1639 | |
---|
1640 | bool doAll = false; |
---|
1641 | |
---|
1642 | if (id.compare("all") == 0) { |
---|
1643 | itr = _colorMaps.begin(); |
---|
1644 | doAll = true; |
---|
1645 | } else { |
---|
1646 | itr = _colorMaps.find(id); |
---|
1647 | } |
---|
1648 | |
---|
1649 | if (itr == _colorMaps.end()) { |
---|
1650 | ERROR("Unknown ColorMap %s", id.c_str()); |
---|
1651 | return; |
---|
1652 | } |
---|
1653 | |
---|
1654 | do { |
---|
1655 | if (itr->second->getName().compare("default") == 0 || |
---|
1656 | itr->second->getName().compare("grayDefault") == 0 || |
---|
1657 | itr->second->getName().compare("volumeDefault") == 0 || |
---|
1658 | itr->second->getName().compare("elementDefault") == 0) { |
---|
1659 | if (id.compare("all") != 0) { |
---|
1660 | WARN("Cannot delete a default color map"); |
---|
1661 | } |
---|
1662 | continue; |
---|
1663 | } else if (colorMapUsed(itr->second)) { |
---|
1664 | WARN("Cannot delete color map '%s', it is in use", itr->second->getName().c_str()); |
---|
1665 | continue; |
---|
1666 | } |
---|
1667 | |
---|
1668 | TRACE("Deleting ColorMap %s", itr->second->getName().c_str()); |
---|
1669 | |
---|
1670 | delete itr->second; |
---|
1671 | itr = _colorMaps.erase(itr); |
---|
1672 | } while (doAll && itr != _colorMaps.end()); |
---|
1673 | } |
---|
1674 | |
---|
1675 | /** |
---|
1676 | * \brief Set the number of discrete colors used in the colormap's lookup table |
---|
1677 | * |
---|
1678 | * Note that the number of table entries is independent of the number of |
---|
1679 | * control points in the color/alpha ramp |
---|
1680 | */ |
---|
1681 | void Renderer::setColorMapNumberOfTableEntries(const ColorMapId& id, int numEntries) |
---|
1682 | { |
---|
1683 | ColorMapHashmap::iterator itr; |
---|
1684 | |
---|
1685 | bool doAll = false; |
---|
1686 | |
---|
1687 | if (id.compare("all") == 0) { |
---|
1688 | itr = _colorMaps.begin(); |
---|
1689 | doAll = true; |
---|
1690 | } else { |
---|
1691 | itr = _colorMaps.find(id); |
---|
1692 | } |
---|
1693 | |
---|
1694 | if (itr == _colorMaps.end()) { |
---|
1695 | ERROR("Unknown ColorMap %s", id.c_str()); |
---|
1696 | return; |
---|
1697 | } |
---|
1698 | |
---|
1699 | if (numEntries < 0) { |
---|
1700 | numEntries = 256; |
---|
1701 | TRACE("Setting numEntries to default value of %d", numEntries); |
---|
1702 | } |
---|
1703 | |
---|
1704 | do { |
---|
1705 | if (itr->second->getName() == "elementDefault") { |
---|
1706 | TRACE("Can't change number of table entries for default element color map"); |
---|
1707 | } else { |
---|
1708 | itr->second->setNumberOfTableEntries(numEntries); |
---|
1709 | updateColorMap(itr->second); |
---|
1710 | } |
---|
1711 | } while (doAll && ++itr != _colorMaps.end()); |
---|
1712 | |
---|
1713 | _needsRedraw = true; |
---|
1714 | } |
---|
1715 | |
---|
1716 | /** |
---|
1717 | * \brief Render a labelled legend image for the given colormap |
---|
1718 | * |
---|
1719 | * The field is assumed to be the active scalar or vector field |
---|
1720 | * based on the legendType. |
---|
1721 | * |
---|
1722 | * \param[in] id ColorMap name |
---|
1723 | * \param[in] dataSetID DataSet name |
---|
1724 | * \param[in] legendType scalar or vector field legend |
---|
1725 | * \param[in,out] title If supplied, draw title ("#auto" means to |
---|
1726 | * fill in field name and draw). If blank, do not draw title. |
---|
1727 | * If title was blank or "#auto", will be filled with field name on |
---|
1728 | * return |
---|
1729 | * \param[in,out] range Data range to use in legend. Set min > max to have |
---|
1730 | * range computed, will be filled with valid min and max values |
---|
1731 | * \param[in] width Pixel width of legend (aspect controls orientation) |
---|
1732 | * \param[in] height Pixel height of legend (aspect controls orientation) |
---|
1733 | * \param[in] opaque Flag to control if legend is rendered opaque or translucent |
---|
1734 | * \param[in] numLabels Number of labels to render (includes min/max) |
---|
1735 | * \param[in,out] imgData Pointer to array to fill with image bytes. Array |
---|
1736 | * will be resized if needed. |
---|
1737 | * \return The image is rendered into the supplied array, false is |
---|
1738 | * returned if the color map is not found |
---|
1739 | */ |
---|
1740 | bool Renderer::renderColorMap(const ColorMapId& id, |
---|
1741 | const DataSetId& dataSetID, |
---|
1742 | Renderer::LegendType legendType, |
---|
1743 | std::string& title, |
---|
1744 | double range[2], |
---|
1745 | int width, int height, |
---|
1746 | bool opaque, |
---|
1747 | int numLabels, |
---|
1748 | vtkUnsignedCharArray *imgData) |
---|
1749 | { |
---|
1750 | DataSet *dataSet = NULL; |
---|
1751 | if (dataSetID.compare("all") == 0) { |
---|
1752 | if (_dataSets.empty()) { |
---|
1753 | WARN("No DataSets exist, can't fill title or range"); |
---|
1754 | return renderColorMap(id, dataSetID, legendType, |
---|
1755 | NULL, |
---|
1756 | DataSet::POINT_DATA, |
---|
1757 | title, range, width, height, opaque, numLabels, imgData); |
---|
1758 | } else { |
---|
1759 | dataSet = _dataSets.begin()->second; |
---|
1760 | } |
---|
1761 | } else { |
---|
1762 | dataSet = getDataSet(dataSetID); |
---|
1763 | if (dataSet == NULL) { |
---|
1764 | ERROR("DataSet '%s' not found", dataSetID.c_str()); |
---|
1765 | return false; |
---|
1766 | } |
---|
1767 | } |
---|
1768 | |
---|
1769 | if (legendType == LEGEND_SCALAR) { |
---|
1770 | return renderColorMap(id, dataSetID, legendType, |
---|
1771 | dataSet->getActiveScalarsName(), |
---|
1772 | dataSet->getActiveScalarsType(), |
---|
1773 | title, range, width, height, opaque, numLabels, imgData); |
---|
1774 | } else { |
---|
1775 | return renderColorMap(id, dataSetID, legendType, |
---|
1776 | dataSet->getActiveVectorsName(), |
---|
1777 | dataSet->getActiveVectorsType(), |
---|
1778 | title, range, width, height, opaque, numLabels, imgData); |
---|
1779 | } |
---|
1780 | } |
---|
1781 | |
---|
1782 | /** |
---|
1783 | * \brief Render a labelled legend image for the given colormap |
---|
1784 | * |
---|
1785 | * The field is assumed to be point data, if the field is not found |
---|
1786 | * as point data, cell data is used. |
---|
1787 | * |
---|
1788 | * \param[in] id ColorMap name |
---|
1789 | * \param[in] dataSetID DataSet name |
---|
1790 | * \param[in] legendType scalar or vector field legend |
---|
1791 | * \param[in] fieldName Name of the field array this legend is for |
---|
1792 | * \param[in,out] title If supplied, draw title ("#auto" means to |
---|
1793 | * fill in field name and draw). If blank, do not draw title. |
---|
1794 | * If title was blank or "#auto", will be filled with field name on |
---|
1795 | * return |
---|
1796 | * \param[in,out] range Data range to use in legend. Set min > max to have |
---|
1797 | * range computed, will be filled with valid min and max values |
---|
1798 | * \param[in] width Pixel width of legend (aspect controls orientation) |
---|
1799 | * \param[in] height Pixel height of legend (aspect controls orientation) |
---|
1800 | * \param[in] opaque Flag to control if legend is rendered opaque or translucent |
---|
1801 | * \param[in] numLabels Number of labels to render (includes min/max) |
---|
1802 | * \param[in,out] imgData Pointer to array to fill with image bytes. Array |
---|
1803 | * will be resized if needed. |
---|
1804 | * \return The image is rendered into the supplied array, false is |
---|
1805 | * returned if the color map is not found |
---|
1806 | */ |
---|
1807 | bool Renderer::renderColorMap(const ColorMapId& id, |
---|
1808 | const DataSetId& dataSetID, |
---|
1809 | Renderer::LegendType legendType, |
---|
1810 | const char *fieldName, |
---|
1811 | std::string& title, |
---|
1812 | double range[2], |
---|
1813 | int width, int height, |
---|
1814 | bool opaque, |
---|
1815 | int numLabels, |
---|
1816 | vtkUnsignedCharArray *imgData) |
---|
1817 | { |
---|
1818 | DataSet *dataSet = NULL; |
---|
1819 | if (dataSetID.compare("all") == 0) { |
---|
1820 | if (_dataSets.empty()) { |
---|
1821 | WARN("No DataSets exist, can't fill title or range"); |
---|
1822 | return renderColorMap(id, dataSetID, legendType, |
---|
1823 | NULL, |
---|
1824 | DataSet::POINT_DATA, |
---|
1825 | title, range, width, height, opaque, numLabels, imgData); |
---|
1826 | } else { |
---|
1827 | dataSet = _dataSets.begin()->second; |
---|
1828 | } |
---|
1829 | } else { |
---|
1830 | dataSet = getDataSet(dataSetID); |
---|
1831 | if (dataSet == NULL) { |
---|
1832 | ERROR("DataSet '%s' not found", dataSetID.c_str()); |
---|
1833 | return false; |
---|
1834 | } |
---|
1835 | } |
---|
1836 | |
---|
1837 | DataSet::DataAttributeType attrType; |
---|
1838 | int numComponents; |
---|
1839 | |
---|
1840 | dataSet->getFieldInfo(fieldName, &attrType, &numComponents); |
---|
1841 | |
---|
1842 | return renderColorMap(id, dataSetID, legendType, |
---|
1843 | fieldName, |
---|
1844 | attrType, |
---|
1845 | title, range, width, height, opaque, numLabels, imgData); |
---|
1846 | } |
---|
1847 | |
---|
1848 | /** |
---|
1849 | * \brief Render a labelled legend image for the given colormap |
---|
1850 | * |
---|
1851 | * \param[in] id ColorMap name |
---|
1852 | * \param[in] dataSetID DataSet name |
---|
1853 | * \param[in] legendType scalar or vector field legend |
---|
1854 | * \param[in] fieldName Name of the field array this legend is for |
---|
1855 | * \param[in] type DataAttributeType of the field |
---|
1856 | * \param[in,out] title If supplied, draw title ("#auto" means to |
---|
1857 | * fill in field name and draw). If blank, do not draw title. |
---|
1858 | * If title was blank or "#auto", will be filled with field name on |
---|
1859 | * return |
---|
1860 | * \param[in,out] range Data range to use in legend. Set min > max to have |
---|
1861 | * range computed, will be filled with valid min and max values |
---|
1862 | * \param[in] width Pixel width of legend (aspect controls orientation) |
---|
1863 | * \param[in] height Pixel height of legend (aspect controls orientation) |
---|
1864 | * \param[in] opaque Flag to control if legend is rendered opaque or translucent |
---|
1865 | * \param[in] numLabels Number of labels to render (includes min/max) |
---|
1866 | * \param[in,out] imgData Pointer to array to fill with image bytes. Array |
---|
1867 | * will be resized if needed. |
---|
1868 | * \return The image is rendered into the supplied array, false is |
---|
1869 | * returned if the color map is not found |
---|
1870 | */ |
---|
1871 | bool Renderer::renderColorMap(const ColorMapId& id, |
---|
1872 | const DataSetId& dataSetID, |
---|
1873 | Renderer::LegendType legendType, |
---|
1874 | const char *fieldName, |
---|
1875 | DataSet::DataAttributeType type, |
---|
1876 | std::string& title, |
---|
1877 | double range[2], |
---|
1878 | int width, int height, |
---|
1879 | bool opaque, |
---|
1880 | int numLabels, |
---|
1881 | vtkUnsignedCharArray *imgData) |
---|
1882 | { |
---|
1883 | TRACE("Enter"); |
---|
1884 | ColorMap *colorMap = getColorMap(id); |
---|
1885 | if (colorMap == NULL) |
---|
1886 | return false; |
---|
1887 | |
---|
1888 | if (_legendRenderWindow == NULL) { |
---|
1889 | _legendRenderWindow = vtkSmartPointer<vtkRenderWindow>::New(); |
---|
1890 | _legendRenderWindow->SetMultiSamples(0); |
---|
1891 | #ifdef USE_OFFSCREEN_RENDERING |
---|
1892 | _legendRenderWindow->DoubleBufferOff(); |
---|
1893 | _legendRenderWindow->OffScreenRenderingOn(); |
---|
1894 | #else |
---|
1895 | _legendRenderWindow->DoubleBufferOn(); |
---|
1896 | _legendRenderWindow->SwapBuffersOff(); |
---|
1897 | #endif |
---|
1898 | } |
---|
1899 | |
---|
1900 | _legendRenderWindow->SetSize(width, height); |
---|
1901 | |
---|
1902 | if (_legendRenderer == NULL) { |
---|
1903 | _legendRenderer = vtkSmartPointer<vtkRenderer>::New(); |
---|
1904 | _legendRenderWindow->AddRenderer(_legendRenderer); |
---|
1905 | } |
---|
1906 | _legendRenderer->SetBackground(_bgColor[0], _bgColor[1], _bgColor[2]); |
---|
1907 | |
---|
1908 | if (_scalarBarActor == NULL) { |
---|
1909 | _scalarBarActor = vtkSmartPointer<vtkScalarBarActor>::New(); |
---|
1910 | _scalarBarActor->DrawFrameOff(); |
---|
1911 | _scalarBarActor->DrawBackgroundOff(); |
---|
1912 | _legendRenderer->AddViewProp(_scalarBarActor); |
---|
1913 | } |
---|
1914 | |
---|
1915 | if (opaque) { |
---|
1916 | _scalarBarActor->UseOpacityOff(); |
---|
1917 | } else { |
---|
1918 | _scalarBarActor->UseOpacityOn(); |
---|
1919 | } |
---|
1920 | |
---|
1921 | if (width > height) { |
---|
1922 | _scalarBarActor->SetOrientationToHorizontal(); |
---|
1923 | } else { |
---|
1924 | _scalarBarActor->SetOrientationToVertical(); |
---|
1925 | } |
---|
1926 | |
---|
1927 | // Set viewport-relative width/height/pos |
---|
1928 | if (title.empty() && numLabels == 0) { |
---|
1929 | #ifdef NEW_SCALAR_BAR |
---|
1930 | _scalarBarActor->SetBarRatio(1); |
---|
1931 | _scalarBarActor->SetTitleRatio(0); |
---|
1932 | #endif |
---|
1933 | if (width > height) { |
---|
1934 | // horizontal |
---|
1935 | #ifdef NEW_SCALAR_BAR |
---|
1936 | _scalarBarActor->SetDisplayPosition(0, 0); |
---|
1937 | _scalarBarActor->GetPosition2Coordinate()->SetCoordinateSystemToDisplay(); |
---|
1938 | _scalarBarActor->GetPosition2Coordinate()->SetValue(width+4, height); |
---|
1939 | #else |
---|
1940 | _scalarBarActor->SetPosition(0, 0); |
---|
1941 | _scalarBarActor->SetHeight((((double)height+1.5)/((double)height))/0.4); // VTK: floor(actorHeight * .4) |
---|
1942 | _scalarBarActor->SetWidth(1); // VTK: actorWidth |
---|
1943 | #endif |
---|
1944 | } else { |
---|
1945 | // vertical |
---|
1946 | #ifdef NEW_SCALAR_BAR |
---|
1947 | _scalarBarActor->SetDisplayPosition(0, -4); |
---|
1948 | _scalarBarActor->GetPosition2Coordinate()->SetCoordinateSystemToDisplay(); |
---|
1949 | _scalarBarActor->GetPosition2Coordinate()->SetValue(width+1, height+5); |
---|
1950 | #else |
---|
1951 | _scalarBarActor->SetPosition(0, 0); |
---|
1952 | _scalarBarActor->SetHeight((((double)height+1.5)/((double)height))/0.86); // VTK: floor(actorHeight * .86) |
---|
1953 | _scalarBarActor->SetWidth(((double)(width+5))/((double)width)); // VTK: actorWidth - 4 pixels |
---|
1954 | #endif |
---|
1955 | } |
---|
1956 | } else { |
---|
1957 | #ifdef NEW_SCALAR_BAR |
---|
1958 | _scalarBarActor->SetBarRatio(0.375); |
---|
1959 | _scalarBarActor->SetTitleRatio(0.5); |
---|
1960 | _scalarBarActor->SetDisplayPosition(0, 0); |
---|
1961 | _scalarBarActor->GetPosition2Coordinate()->SetCoordinateSystemToDisplay(); |
---|
1962 | _scalarBarActor->GetPosition2Coordinate()->SetValue(width, height); |
---|
1963 | #else |
---|
1964 | if (width > height) { |
---|
1965 | // horizontal |
---|
1966 | _scalarBarActor->SetPosition(.075, .1); |
---|
1967 | _scalarBarActor->SetHeight(0.8); |
---|
1968 | _scalarBarActor->SetWidth(0.85); |
---|
1969 | } else { |
---|
1970 | // vertical |
---|
1971 | _scalarBarActor->SetPosition(.1, .05); |
---|
1972 | _scalarBarActor->SetHeight(0.9); |
---|
1973 | _scalarBarActor->SetWidth(0.8); |
---|
1974 | } |
---|
1975 | #endif |
---|
1976 | } |
---|
1977 | |
---|
1978 | vtkSmartPointer<vtkLookupTable> lut = colorMap->getLookupTable(); |
---|
1979 | DataSet *dataSet = NULL; |
---|
1980 | bool cumulative = _useCumulativeRange; |
---|
1981 | if (dataSetID.compare("all") == 0) { |
---|
1982 | if (_dataSets.empty()) { |
---|
1983 | WARN("No DataSets exist, can't fill title or range"); |
---|
1984 | } else { |
---|
1985 | dataSet = _dataSets.begin()->second; |
---|
1986 | } |
---|
1987 | cumulative = true; |
---|
1988 | } else { |
---|
1989 | dataSet = getDataSet(dataSetID); |
---|
1990 | if (dataSet == NULL) { |
---|
1991 | ERROR("DataSet '%s' not found", dataSetID.c_str()); |
---|
1992 | return false; |
---|
1993 | } |
---|
1994 | } |
---|
1995 | |
---|
1996 | bool drawTitle = false; |
---|
1997 | if (!title.empty()) { |
---|
1998 | drawTitle = true; |
---|
1999 | if (title.compare("#auto") == 0) { |
---|
2000 | title.clear(); |
---|
2001 | } |
---|
2002 | } |
---|
2003 | |
---|
2004 | bool needRange = false; |
---|
2005 | if (range[0] > range[1]) { |
---|
2006 | range[0] = 0.0; |
---|
2007 | range[1] = 1.0; |
---|
2008 | needRange = true; |
---|
2009 | } |
---|
2010 | |
---|
2011 | switch (legendType) { |
---|
2012 | case LEGEND_VECTOR_MAGNITUDE: |
---|
2013 | if (needRange) { |
---|
2014 | if (cumulative) { |
---|
2015 | getCumulativeDataRange(range, fieldName, type, 3); |
---|
2016 | } else if (dataSet != NULL) { |
---|
2017 | dataSet->getDataRange(range, fieldName, type); |
---|
2018 | } |
---|
2019 | } |
---|
2020 | |
---|
2021 | lut->SetRange(range); |
---|
2022 | |
---|
2023 | if (title.empty() && dataSet != NULL) { |
---|
2024 | if (fieldName != NULL) { |
---|
2025 | title = fieldName; |
---|
2026 | title.append("(mag)"); |
---|
2027 | } |
---|
2028 | } |
---|
2029 | break; |
---|
2030 | case LEGEND_VECTOR_X: |
---|
2031 | if (needRange) { |
---|
2032 | if (cumulative) { |
---|
2033 | getCumulativeDataRange(range, fieldName, type, 3, 0); |
---|
2034 | } else if (dataSet != NULL) { |
---|
2035 | dataSet->getDataRange(range, fieldName, type, 0); |
---|
2036 | } |
---|
2037 | } |
---|
2038 | |
---|
2039 | lut->SetRange(range); |
---|
2040 | |
---|
2041 | if (title.empty() && dataSet != NULL) { |
---|
2042 | if (fieldName != NULL) { |
---|
2043 | title = fieldName; |
---|
2044 | title.append("(x)"); |
---|
2045 | } |
---|
2046 | } |
---|
2047 | break; |
---|
2048 | case LEGEND_VECTOR_Y: |
---|
2049 | if (needRange) { |
---|
2050 | if (cumulative) { |
---|
2051 | getCumulativeDataRange(range, fieldName, type, 3, 1); |
---|
2052 | } else if (dataSet != NULL) { |
---|
2053 | dataSet->getDataRange(range, fieldName, type, 1); |
---|
2054 | } |
---|
2055 | } |
---|
2056 | |
---|
2057 | lut->SetRange(range); |
---|
2058 | |
---|
2059 | if (title.empty() && dataSet != NULL) { |
---|
2060 | if (fieldName != NULL) { |
---|
2061 | title = fieldName; |
---|
2062 | title.append("(y)"); |
---|
2063 | } |
---|
2064 | } |
---|
2065 | break; |
---|
2066 | case LEGEND_VECTOR_Z: |
---|
2067 | if (needRange) { |
---|
2068 | if (cumulative) { |
---|
2069 | getCumulativeDataRange(range, fieldName, type, 3, 2); |
---|
2070 | } else if (dataSet != NULL) { |
---|
2071 | dataSet->getDataRange(range, fieldName, type, 1); |
---|
2072 | } |
---|
2073 | } |
---|
2074 | |
---|
2075 | lut->SetRange(range); |
---|
2076 | |
---|
2077 | if (title.empty() && dataSet != NULL) { |
---|
2078 | if (fieldName != NULL) { |
---|
2079 | title = fieldName; |
---|
2080 | title.append("(z)"); |
---|
2081 | } |
---|
2082 | } |
---|
2083 | break; |
---|
2084 | case LEGEND_SCALAR: |
---|
2085 | default: |
---|
2086 | if (needRange) { |
---|
2087 | if (cumulative) { |
---|
2088 | getCumulativeDataRange(range, fieldName, type, 1); |
---|
2089 | } else if (dataSet != NULL) { |
---|
2090 | dataSet->getDataRange(range, fieldName, type); |
---|
2091 | } |
---|
2092 | } |
---|
2093 | |
---|
2094 | lut->SetRange(range); |
---|
2095 | |
---|
2096 | if (title.empty() && dataSet != NULL) { |
---|
2097 | if (fieldName != NULL) |
---|
2098 | title = fieldName; |
---|
2099 | } |
---|
2100 | break; |
---|
2101 | } |
---|
2102 | |
---|
2103 | _scalarBarActor->SetLookupTable(lut); |
---|
2104 | _scalarBarActor->SetMaximumNumberOfColors((width > height ? width : height)); |
---|
2105 | |
---|
2106 | if (drawTitle) { |
---|
2107 | _scalarBarActor->SetTitle(title.c_str()); |
---|
2108 | } else { |
---|
2109 | _scalarBarActor->SetTitle(""); |
---|
2110 | } |
---|
2111 | |
---|
2112 | double color[3]; |
---|
2113 | color[0] = 1 - _bgColor[0]; |
---|
2114 | color[1] = 1 - _bgColor[1]; |
---|
2115 | color[2] = 1 - _bgColor[2]; |
---|
2116 | |
---|
2117 | _scalarBarActor->GetTitleTextProperty()->SetColor(color); |
---|
2118 | _scalarBarActor->GetTitleTextProperty()->BoldOff(); |
---|
2119 | _scalarBarActor->GetTitleTextProperty()->ItalicOff(); |
---|
2120 | _scalarBarActor->GetTitleTextProperty()->ShadowOff(); |
---|
2121 | _scalarBarActor->SetNumberOfLabels(numLabels); |
---|
2122 | _scalarBarActor->GetLabelTextProperty()->SetColor(color); |
---|
2123 | _scalarBarActor->GetLabelTextProperty()->BoldOff(); |
---|
2124 | _scalarBarActor->GetLabelTextProperty()->ItalicOff(); |
---|
2125 | _scalarBarActor->GetLabelTextProperty()->ShadowOff(); |
---|
2126 | #ifdef NEW_SCALAR_BAR |
---|
2127 | if (!drawTitle && numLabels == 0) { |
---|
2128 | _scalarBarActor->DrawAnnotationsOff(); |
---|
2129 | _scalarBarActor->SetAnnotationLeaderPadding(0); |
---|
2130 | _scalarBarActor->SetTextPad(0); |
---|
2131 | } else { |
---|
2132 | _scalarBarActor->DrawAnnotationsOn(); |
---|
2133 | _scalarBarActor->SetAnnotationLeaderPadding(8); |
---|
2134 | _scalarBarActor->SetTextPad(1); |
---|
2135 | } |
---|
2136 | #endif |
---|
2137 | |
---|
2138 | _legendRenderWindow->Render(); |
---|
2139 | |
---|
2140 | #ifdef RENDER_TARGA |
---|
2141 | _legendRenderWindow->MakeCurrent(); |
---|
2142 | // Must clear previous errors first. |
---|
2143 | while (glGetError() != GL_NO_ERROR){ |
---|
2144 | ; |
---|
2145 | } |
---|
2146 | int bytesPerPixel = TARGA_BYTES_PER_PIXEL; |
---|
2147 | int size = bytesPerPixel * width * height; |
---|
2148 | |
---|
2149 | if (imgData->GetMaxId() + 1 != size) |
---|
2150 | { |
---|
2151 | imgData->SetNumberOfComponents(bytesPerPixel); |
---|
2152 | imgData->SetNumberOfValues(size); |
---|
2153 | } |
---|
2154 | glDisable(GL_TEXTURE_2D); |
---|
2155 | if (_legendRenderWindow->GetDoubleBuffer()) { |
---|
2156 | glReadBuffer(static_cast<GLenum>(vtkOpenGLRenderWindow::SafeDownCast(_legendRenderWindow)->GetBackLeftBuffer())); |
---|
2157 | } else { |
---|
2158 | glReadBuffer(static_cast<GLenum>(vtkOpenGLRenderWindow::SafeDownCast(_legendRenderWindow)->GetFrontLeftBuffer())); |
---|
2159 | } |
---|
2160 | glPixelStorei(GL_PACK_ALIGNMENT, 1); |
---|
2161 | if (bytesPerPixel == 4) { |
---|
2162 | glReadPixels(0, 0, width, height, GL_BGRA, |
---|
2163 | GL_UNSIGNED_BYTE, imgData->GetPointer(0)); |
---|
2164 | } else { |
---|
2165 | glReadPixels(0, 0, width, height, GL_BGR, |
---|
2166 | GL_UNSIGNED_BYTE, imgData->GetPointer(0)); |
---|
2167 | } |
---|
2168 | if (glGetError() != GL_NO_ERROR) { |
---|
2169 | ERROR("glReadPixels"); |
---|
2170 | } |
---|
2171 | #else |
---|
2172 | _legendRenderWindow->GetPixelData(0, 0, width-1, height-1, |
---|
2173 | !_legendRenderWindow->GetDoubleBuffer(), |
---|
2174 | imgData); |
---|
2175 | #endif |
---|
2176 | TRACE("Leave"); |
---|
2177 | return true; |
---|
2178 | } |
---|
2179 | |
---|
2180 | /** |
---|
2181 | * \brief Set camera FOV based on render window height |
---|
2182 | * |
---|
2183 | * Computes a field-of-view angle based on some assumptions about |
---|
2184 | * viewer's distance to screen and pixel density |
---|
2185 | */ |
---|
2186 | void Renderer::setViewAngle(int height) |
---|
2187 | { |
---|
2188 | // Distance of eyes from screen in inches |
---|
2189 | double d = 20.0; |
---|
2190 | // Assume 72 ppi screen |
---|
2191 | double h = (double)height / 72.0; |
---|
2192 | |
---|
2193 | double angle = vtkMath::DegreesFromRadians(2.0 * atan((h/2.0)/d)); |
---|
2194 | _renderer->GetActiveCamera()->SetViewAngle(angle); |
---|
2195 | |
---|
2196 | TRACE("Setting view angle: %g", angle); |
---|
2197 | } |
---|
2198 | |
---|
2199 | /** |
---|
2200 | * \brief Resize the render window (image size for renderings) |
---|
2201 | */ |
---|
2202 | void Renderer::setWindowSize(int width, int height) |
---|
2203 | { |
---|
2204 | if (_windowWidth == width && |
---|
2205 | _windowHeight == height) { |
---|
2206 | TRACE("No change"); |
---|
2207 | return; |
---|
2208 | } |
---|
2209 | |
---|
2210 | TRACE("Setting window size to %dx%d", width, height); |
---|
2211 | |
---|
2212 | //setViewAngle(height); |
---|
2213 | |
---|
2214 | // FIXME: Fix up panning on aspect change |
---|
2215 | #ifdef notdef |
---|
2216 | if (_cameraPan[0] != 0.0) { |
---|
2217 | _cameraPan[0] *= ((double)_windowWidth / width); |
---|
2218 | } |
---|
2219 | if (_cameraPan[1] != 0.0) { |
---|
2220 | _cameraPan[1] *= ((double)_windowHeight / height); |
---|
2221 | } |
---|
2222 | #endif |
---|
2223 | _windowWidth = width; |
---|
2224 | _windowHeight = height; |
---|
2225 | _renderWindow->SetSize(_windowWidth, _windowHeight); |
---|
2226 | |
---|
2227 | if (_cameraMode == IMAGE) { |
---|
2228 | if (_cameraAspect == ASPECT_WINDOW) { |
---|
2229 | double imgWindowAspect = getImageCameraAspect(); |
---|
2230 | TRACE("Setting object aspect to %g", imgWindowAspect); |
---|
2231 | setObjectAspects(imgWindowAspect); |
---|
2232 | initCamera(); |
---|
2233 | } else { |
---|
2234 | if (_userImgWorldDims[0] > 0) { |
---|
2235 | _setCameraZoomRegion(_userImgWorldOrigin[0], |
---|
2236 | _userImgWorldOrigin[1], |
---|
2237 | _userImgWorldDims[0], |
---|
2238 | _userImgWorldDims[1]); |
---|
2239 | } else { |
---|
2240 | if (isCameraMaximized()) { |
---|
2241 | initCamera(); |
---|
2242 | } else { |
---|
2243 | _setCameraZoomRegion(_imgWorldOrigin[0], |
---|
2244 | _imgWorldOrigin[1], |
---|
2245 | _imgWorldDims[0], |
---|
2246 | _imgWorldDims[1]); |
---|
2247 | } |
---|
2248 | } |
---|
2249 | } |
---|
2250 | } |
---|
2251 | _needsRedraw = true; |
---|
2252 | } |
---|
2253 | |
---|
2254 | void Renderer::setObjectAspects(double aspectRatio) |
---|
2255 | { |
---|
2256 | setGraphicsObjectAspect<Arc>(aspectRatio); |
---|
2257 | setGraphicsObjectAspect<Arrow>(aspectRatio); |
---|
2258 | setGraphicsObjectAspect<Box>(aspectRatio); |
---|
2259 | setGraphicsObjectAspect<Cone>(aspectRatio); |
---|
2260 | setGraphicsObjectAspect<Contour2D>(aspectRatio); |
---|
2261 | setGraphicsObjectAspect<Contour3D>(aspectRatio); |
---|
2262 | setGraphicsObjectAspect<Cutplane>(aspectRatio); |
---|
2263 | setGraphicsObjectAspect<Cylinder>(aspectRatio); |
---|
2264 | setGraphicsObjectAspect<Disk>(aspectRatio); |
---|
2265 | setGraphicsObjectAspect<Glyphs>(aspectRatio); |
---|
2266 | setGraphicsObjectAspect<HeightMap>(aspectRatio); |
---|
2267 | setGraphicsObjectAspect<LIC>(aspectRatio); |
---|
2268 | setGraphicsObjectAspect<Line>(aspectRatio); |
---|
2269 | setGraphicsObjectAspect<Molecule>(aspectRatio); |
---|
2270 | setGraphicsObjectAspect<Outline>(aspectRatio); |
---|
2271 | setGraphicsObjectAspect<PolyData>(aspectRatio); |
---|
2272 | setGraphicsObjectAspect<Polygon>(aspectRatio); |
---|
2273 | setGraphicsObjectAspect<PseudoColor>(aspectRatio); |
---|
2274 | setGraphicsObjectAspect<Sphere>(aspectRatio); |
---|
2275 | setGraphicsObjectAspect<Streamlines>(aspectRatio); |
---|
2276 | setGraphicsObjectAspect<Volume>(aspectRatio); |
---|
2277 | setGraphicsObjectAspect<Warp>(aspectRatio); |
---|
2278 | } |
---|
2279 | |
---|
2280 | void Renderer::setCameraAspect(Aspect aspect) |
---|
2281 | { |
---|
2282 | //if (_cameraAspect == aspect) |
---|
2283 | // return; |
---|
2284 | |
---|
2285 | _cameraAspect = aspect; |
---|
2286 | |
---|
2287 | double aspectRatio = 0.0; |
---|
2288 | switch (aspect) { |
---|
2289 | case ASPECT_SQUARE: |
---|
2290 | aspectRatio = 1.0; |
---|
2291 | break; |
---|
2292 | case ASPECT_WINDOW: |
---|
2293 | aspectRatio = 1.0; |
---|
2294 | if (_cameraMode == IMAGE) { |
---|
2295 | aspectRatio = getImageCameraAspect(); |
---|
2296 | } |
---|
2297 | break; |
---|
2298 | case ASPECT_NATIVE: |
---|
2299 | default: |
---|
2300 | aspectRatio = 0.0; |
---|
2301 | } |
---|
2302 | |
---|
2303 | setObjectAspects(aspectRatio); |
---|
2304 | |
---|
2305 | if (_cameraMode == IMAGE) |
---|
2306 | _needsCameraReset = true; |
---|
2307 | _needsRedraw = true; |
---|
2308 | } |
---|
2309 | |
---|
2310 | /** |
---|
2311 | * \brief Change the camera type: perspective, orthographic or image view |
---|
2312 | * |
---|
2313 | * Perspective mode is a normal 3D camera. |
---|
2314 | * |
---|
2315 | * Orthogrphic mode is parallel projection. |
---|
2316 | * |
---|
2317 | * Image mode is an orthographic camera with fixed axes and a clipping region |
---|
2318 | * around the plot area, use _setCameraZoomRegion to control the displayed area |
---|
2319 | * |
---|
2320 | * \param[in] mode Enum specifying camera type |
---|
2321 | */ |
---|
2322 | void Renderer::setCameraMode(CameraMode mode) |
---|
2323 | { |
---|
2324 | if (_cameraMode == mode) return; |
---|
2325 | |
---|
2326 | CameraMode origMode = _cameraMode; |
---|
2327 | _cameraMode = mode; |
---|
2328 | resetAxes(); |
---|
2329 | |
---|
2330 | vtkSmartPointer<vtkCamera> camera = _renderer->GetActiveCamera(); |
---|
2331 | switch (mode) { |
---|
2332 | case ORTHO: { |
---|
2333 | TRACE("Set camera to Ortho mode"); |
---|
2334 | camera->ParallelProjectionOn(); |
---|
2335 | if (origMode == IMAGE) { |
---|
2336 | resetCamera(true); |
---|
2337 | } |
---|
2338 | break; |
---|
2339 | } |
---|
2340 | case PERSPECTIVE: { |
---|
2341 | TRACE("Set camera to Perspective mode"); |
---|
2342 | camera->ParallelProjectionOff(); |
---|
2343 | if (origMode == IMAGE) { |
---|
2344 | resetCamera(true); |
---|
2345 | } |
---|
2346 | break; |
---|
2347 | } |
---|
2348 | case IMAGE: { |
---|
2349 | camera->ParallelProjectionOn(); |
---|
2350 | _setCameraZoomRegion(_imgWorldOrigin[0], _imgWorldOrigin[1], |
---|
2351 | _imgWorldDims[0],_imgWorldDims[1]); |
---|
2352 | TRACE("Set camera to Image mode"); |
---|
2353 | break; |
---|
2354 | } |
---|
2355 | default: |
---|
2356 | ERROR("Unkown camera mode: %d", mode); |
---|
2357 | } |
---|
2358 | _needsRedraw = true; |
---|
2359 | } |
---|
2360 | |
---|
2361 | /** |
---|
2362 | * \brief Get the current camera mode |
---|
2363 | */ |
---|
2364 | Renderer::CameraMode Renderer::getCameraMode() const |
---|
2365 | { |
---|
2366 | return _cameraMode; |
---|
2367 | } |
---|
2368 | |
---|
2369 | /** |
---|
2370 | * \brief Set the VTK camera parameters based on a 4x4 view matrix |
---|
2371 | */ |
---|
2372 | void Renderer::setCameraFromMatrix(vtkCamera *camera, vtkMatrix4x4& mat) |
---|
2373 | { |
---|
2374 | double d = camera->GetDistance(); |
---|
2375 | double vu[3]; |
---|
2376 | vu[0] = mat[1][0]; |
---|
2377 | vu[1] = mat[1][1]; |
---|
2378 | vu[2] = mat[1][2]; |
---|
2379 | double trans[3]; |
---|
2380 | trans[0] = mat[0][3]; |
---|
2381 | trans[1] = mat[1][3]; |
---|
2382 | trans[2] = mat[2][3]; |
---|
2383 | mat[0][3] = 0; |
---|
2384 | mat[1][3] = 0; |
---|
2385 | mat[2][3] = 0; |
---|
2386 | double vpn[3] = {mat[2][0], mat[2][1], mat[2][2]}; |
---|
2387 | double pos[3]; |
---|
2388 | // With translation removed, we have an orthogonal matrix, |
---|
2389 | // so the inverse is the transpose |
---|
2390 | mat.Transpose(); |
---|
2391 | mat.MultiplyPoint(trans, pos); |
---|
2392 | pos[0] = -pos[0]; |
---|
2393 | pos[1] = -pos[1]; |
---|
2394 | pos[2] = -pos[2]; |
---|
2395 | double fp[3]; |
---|
2396 | fp[0] = pos[0] - vpn[0] * d; |
---|
2397 | fp[1] = pos[1] - vpn[1] * d; |
---|
2398 | fp[2] = pos[2] - vpn[2] * d; |
---|
2399 | camera->SetPosition(pos); |
---|
2400 | camera->SetFocalPoint(fp); |
---|
2401 | camera->SetViewUp(vu); |
---|
2402 | } |
---|
2403 | |
---|
2404 | /** |
---|
2405 | * \brief Set the orientation of the camera from a quaternion |
---|
2406 | * rotation |
---|
2407 | * |
---|
2408 | * \param[in] quat A quaternion with scalar part first: w,x,y,z |
---|
2409 | * \param[in] absolute Is rotation absolute or relative? |
---|
2410 | */ |
---|
2411 | void Renderer::setCameraOrientation(const double quat[4], bool absolute) |
---|
2412 | { |
---|
2413 | if (_cameraMode == IMAGE) |
---|
2414 | return; |
---|
2415 | vtkSmartPointer<vtkCamera> camera = _renderer->GetActiveCamera(); |
---|
2416 | vtkSmartPointer<vtkTransform> trans = vtkSmartPointer<vtkTransform>::New(); |
---|
2417 | vtkSmartPointer<vtkMatrix4x4> rotMat = vtkSmartPointer<vtkMatrix4x4>::New(); |
---|
2418 | |
---|
2419 | double q[4]; |
---|
2420 | copyQuat(quat, q); |
---|
2421 | |
---|
2422 | if (absolute) { |
---|
2423 | double abs[4]; |
---|
2424 | // Save absolute rotation |
---|
2425 | copyQuat(q, abs); |
---|
2426 | // Compute relative rotation |
---|
2427 | quatMult(quatReciprocal(_cameraOrientation), q, q); |
---|
2428 | // Store absolute rotation |
---|
2429 | copyQuat(abs, _cameraOrientation); |
---|
2430 | } else { |
---|
2431 | // Compute new absolute rotation |
---|
2432 | quatMult(_cameraOrientation, q, _cameraOrientation); |
---|
2433 | } |
---|
2434 | |
---|
2435 | quaternionToTransposeMatrix4x4(q, *rotMat); |
---|
2436 | #ifdef DEBUG |
---|
2437 | TRACE("Rotation matrix:\n %g %g %g\n %g %g %g\n %g %g %g", |
---|
2438 | (*rotMat)[0][0], (*rotMat)[0][1], (*rotMat)[0][2], |
---|
2439 | (*rotMat)[1][0], (*rotMat)[1][1], (*rotMat)[1][2], |
---|
2440 | (*rotMat)[2][0], (*rotMat)[2][1], (*rotMat)[2][2]); |
---|
2441 | vtkSmartPointer<vtkMatrix4x4> camMat = vtkSmartPointer<vtkMatrix4x4>::New(); |
---|
2442 | camMat->DeepCopy(camera->GetViewTransformMatrix()); |
---|
2443 | TRACE("Camera matrix:\n %g %g %g %g\n %g %g %g %g\n %g %g %g %g\n %g %g %g %g", |
---|
2444 | (*camMat)[0][0], (*camMat)[0][1], (*camMat)[0][2], (*camMat)[0][3], |
---|
2445 | (*camMat)[1][0], (*camMat)[1][1], (*camMat)[1][2], (*camMat)[1][3], |
---|
2446 | (*camMat)[2][0], (*camMat)[2][1], (*camMat)[2][2], (*camMat)[2][3], |
---|
2447 | (*camMat)[3][0], (*camMat)[3][1], (*camMat)[3][2], (*camMat)[3][3]); |
---|
2448 | printCameraInfo(camera); |
---|
2449 | #endif |
---|
2450 | trans->Translate(0, 0, -camera->GetDistance()); |
---|
2451 | trans->Concatenate(rotMat); |
---|
2452 | trans->Translate(0, 0, camera->GetDistance()); |
---|
2453 | trans->Concatenate(camera->GetViewTransformMatrix()); |
---|
2454 | setCameraFromMatrix(camera, *trans->GetMatrix()); |
---|
2455 | |
---|
2456 | resetCameraClippingRange(); |
---|
2457 | printCameraInfo(camera); |
---|
2458 | _needsRedraw = true; |
---|
2459 | } |
---|
2460 | |
---|
2461 | /** |
---|
2462 | * \brief Set the position and orientation of the camera |
---|
2463 | * |
---|
2464 | * \param[in] position x,y,z position of camera in world coordinates |
---|
2465 | * \param[in] focalPoint x,y,z look-at point in world coordinates |
---|
2466 | * \param[in] viewUp x,y,z up vector of camera |
---|
2467 | */ |
---|
2468 | void Renderer::setCameraOrientationAndPosition(const double position[3], |
---|
2469 | const double focalPoint[3], |
---|
2470 | const double viewUp[3]) |
---|
2471 | { |
---|
2472 | vtkSmartPointer<vtkCamera> camera = _renderer->GetActiveCamera(); |
---|
2473 | camera->SetPosition(position); |
---|
2474 | camera->SetFocalPoint(focalPoint); |
---|
2475 | camera->SetViewUp(viewUp); |
---|
2476 | resetCameraClippingRange(); |
---|
2477 | _needsRedraw = true; |
---|
2478 | } |
---|
2479 | |
---|
2480 | /** |
---|
2481 | * \brief Get the position and orientation of the camera |
---|
2482 | * |
---|
2483 | * \param[out] position x,y,z position of camera in world coordinates |
---|
2484 | * \param[out] focalPoint x,y,z look-at point in world coordinates |
---|
2485 | * \param[out] viewUp x,y,z up vector of camera |
---|
2486 | */ |
---|
2487 | void Renderer::getCameraOrientationAndPosition(double position[3], |
---|
2488 | double focalPoint[3], |
---|
2489 | double viewUp[3]) |
---|
2490 | { |
---|
2491 | vtkSmartPointer<vtkCamera> camera = _renderer->GetActiveCamera(); |
---|
2492 | camera->GetPosition(position); |
---|
2493 | camera->GetFocalPoint(focalPoint); |
---|
2494 | camera->GetViewUp(viewUp); |
---|
2495 | } |
---|
2496 | |
---|
2497 | void Renderer::sceneBoundsChanged() |
---|
2498 | { |
---|
2499 | #ifdef RESET_CAMERA_ON_SCENE_CHANGE |
---|
2500 | _needsCameraReset = true; |
---|
2501 | #else |
---|
2502 | _needsAxesReset = true; |
---|
2503 | _needsCameraClippingRangeReset = true; |
---|
2504 | #endif |
---|
2505 | |
---|
2506 | _needsRedraw = true; |
---|
2507 | } |
---|
2508 | |
---|
2509 | /** |
---|
2510 | * \brief Reset pan, zoom, clipping planes and optionally rotation |
---|
2511 | * |
---|
2512 | * \param[in] resetOrientation Reset the camera rotation/orientation also |
---|
2513 | */ |
---|
2514 | void Renderer::resetCamera(bool resetOrientation) |
---|
2515 | { |
---|
2516 | TRACE("Enter: %d", resetOrientation ? 1 : 0); |
---|
2517 | vtkSmartPointer<vtkCamera> camera = _renderer->GetActiveCamera(); |
---|
2518 | if (_cameraMode == IMAGE) { |
---|
2519 | initCamera(); |
---|
2520 | } else { |
---|
2521 | if (resetOrientation) { |
---|
2522 | camera->SetPosition(0, 0, 1); |
---|
2523 | camera->SetFocalPoint(0, 0, 0); |
---|
2524 | camera->SetViewUp(0, 1, 0); |
---|
2525 | _cameraOrientation[0] = 1.0; |
---|
2526 | _cameraOrientation[1] = 0.0; |
---|
2527 | _cameraOrientation[2] = 0.0; |
---|
2528 | _cameraOrientation[3] = 0.0; |
---|
2529 | } |
---|
2530 | //setViewAngle(_windowHeight); |
---|
2531 | //double bounds[6]; |
---|
2532 | //collectBounds(bounds, false); |
---|
2533 | //_renderer->ResetCamera(bounds); |
---|
2534 | if (_needsAxesReset) { |
---|
2535 | resetAxes(); |
---|
2536 | _needsAxesReset = false; |
---|
2537 | } |
---|
2538 | resetVtkCamera(); |
---|
2539 | //computeScreenWorldCoords(); |
---|
2540 | } |
---|
2541 | |
---|
2542 | printCameraInfo(camera); |
---|
2543 | |
---|
2544 | _cameraZoomRatio = 1; |
---|
2545 | _cameraPan[0] = 0; |
---|
2546 | _cameraPan[1] = 0; |
---|
2547 | |
---|
2548 | _needsRedraw = true; |
---|
2549 | } |
---|
2550 | |
---|
2551 | void Renderer::resetVtkCamera(double *bounds) |
---|
2552 | { |
---|
2553 | TRACE("Enter: bounds: %p", bounds); |
---|
2554 | if (bounds != NULL) |
---|
2555 | _renderer->ResetCamera(bounds); |
---|
2556 | else |
---|
2557 | _renderer->ResetCamera(); |
---|
2558 | printCameraInfo(_renderer->GetActiveCamera()); |
---|
2559 | } |
---|
2560 | |
---|
2561 | /** |
---|
2562 | * \brief Set the camera near/far clipping range based on current scene bounds |
---|
2563 | */ |
---|
2564 | void Renderer::resetCameraClippingRange() |
---|
2565 | { |
---|
2566 | _renderer->ResetCameraClippingRange(); |
---|
2567 | vtkSmartPointer<vtkCamera> camera = _renderer->GetActiveCamera(); |
---|
2568 | //double dist = camera->GetClippingRange()[0] + (camera->GetClippingRange()[1] - camera->GetClippingRange()[0])/2.0; |
---|
2569 | //camera->SetDistance(dist); |
---|
2570 | printCameraInfo(camera); |
---|
2571 | } |
---|
2572 | |
---|
2573 | /** |
---|
2574 | * \brief Perform a relative rotation to current camera orientation |
---|
2575 | * |
---|
2576 | * Angles are in degrees, rotation is about focal point |
---|
2577 | */ |
---|
2578 | void Renderer::rotateCamera(double yaw, double pitch, double roll) |
---|
2579 | { |
---|
2580 | if (_cameraMode == IMAGE) |
---|
2581 | return; |
---|
2582 | vtkSmartPointer<vtkCamera> camera = _renderer->GetActiveCamera(); |
---|
2583 | camera->Azimuth(yaw); // Rotate about object |
---|
2584 | //camera->SetYaw(yaw); // Rotate about camera |
---|
2585 | camera->Elevation(pitch); // Rotate about object |
---|
2586 | //camera->SetPitch(pitch); // Rotate about camera |
---|
2587 | camera->Roll(roll); // Roll about camera view axis |
---|
2588 | resetCameraClippingRange(); |
---|
2589 | //computeScreenWorldCoords(); |
---|
2590 | _needsRedraw = true; |
---|
2591 | } |
---|
2592 | |
---|
2593 | /** |
---|
2594 | * \brief Perform a 2D translation of the camera |
---|
2595 | * |
---|
2596 | * x,y pan amount are specified as signed absolute pan amount in viewport |
---|
2597 | * units -- i.e. 0 is no pan, .5 is half the viewport, 2 is twice the viewport, |
---|
2598 | * etc. |
---|
2599 | * |
---|
2600 | * \param[in] x Viewport coordinate horizontal panning (positive number pans |
---|
2601 | * camera left, object right) |
---|
2602 | * \param[in] y Viewport coordinate vertical panning (positive number pans |
---|
2603 | * camera up, object down) |
---|
2604 | * \param[in] absolute Control if pan amount is relative to current or absolute |
---|
2605 | */ |
---|
2606 | void Renderer::panCamera(double x, double y, bool absolute) |
---|
2607 | { |
---|
2608 | TRACE("Enter panCamera: %g %g, current abs: %g %g", |
---|
2609 | x, y, _cameraPan[0], _cameraPan[1]); |
---|
2610 | |
---|
2611 | if (_cameraMode == IMAGE) { |
---|
2612 | _userImgWorldOrigin[0] = 0; |
---|
2613 | _userImgWorldOrigin[1] = 0; |
---|
2614 | _userImgWorldDims[0] = -1; |
---|
2615 | _userImgWorldDims[1] = -1; |
---|
2616 | |
---|
2617 | // Reverse x rather than y, since we are panning the camera, and client |
---|
2618 | // expects to be panning/moving the object |
---|
2619 | x = -x * _screenWorldCoords[2]; |
---|
2620 | y = y * _screenWorldCoords[3]; |
---|
2621 | |
---|
2622 | if (absolute) { |
---|
2623 | double panAbs[2]; |
---|
2624 | panAbs[0] = x; |
---|
2625 | panAbs[1] = y; |
---|
2626 | x -= _cameraPan[0]; |
---|
2627 | y -= _cameraPan[1]; |
---|
2628 | _cameraPan[0] = panAbs[0]; |
---|
2629 | _cameraPan[1] = panAbs[1]; |
---|
2630 | } else { |
---|
2631 | _cameraPan[0] += x; |
---|
2632 | _cameraPan[1] += y; |
---|
2633 | } |
---|
2634 | |
---|
2635 | _imgWorldOrigin[0] += x; |
---|
2636 | _imgWorldOrigin[1] += y; |
---|
2637 | _setCameraZoomRegion(_imgWorldOrigin[0], _imgWorldOrigin[1], |
---|
2638 | _imgWorldDims[0], _imgWorldDims[1]); |
---|
2639 | } else { |
---|
2640 | y = -y; |
---|
2641 | if (absolute) { |
---|
2642 | double panAbs[2]; |
---|
2643 | panAbs[0] = x; |
---|
2644 | panAbs[1] = y; |
---|
2645 | x -= _cameraPan[0]; |
---|
2646 | y -= _cameraPan[1]; |
---|
2647 | _cameraPan[0] = panAbs[0]; |
---|
2648 | _cameraPan[1] = panAbs[1]; |
---|
2649 | } else { |
---|
2650 | _cameraPan[0] += x; |
---|
2651 | _cameraPan[1] += y; |
---|
2652 | } |
---|
2653 | |
---|
2654 | if (x != 0.0 || y != 0.0) { |
---|
2655 | vtkSmartPointer<vtkCamera> camera = _renderer->GetActiveCamera(); |
---|
2656 | double viewFocus[4], focalDepth, viewPoint[3]; |
---|
2657 | double newPickPoint[4], oldPickPoint[4], motionVector[3]; |
---|
2658 | |
---|
2659 | camera->GetFocalPoint(viewFocus); |
---|
2660 | computeWorldToDisplay(viewFocus[0], viewFocus[1], viewFocus[2], |
---|
2661 | viewFocus); |
---|
2662 | focalDepth = viewFocus[2]; |
---|
2663 | |
---|
2664 | computeDisplayToWorld((x * 2. + 1.) * (double)_windowWidth / 2.0, |
---|
2665 | (y * 2. + 1.) * (double)_windowHeight / 2.0, |
---|
2666 | focalDepth, |
---|
2667 | newPickPoint); |
---|
2668 | |
---|
2669 | computeDisplayToWorld((double)_windowWidth / 2.0, |
---|
2670 | (double)_windowHeight / 2.0, |
---|
2671 | focalDepth, |
---|
2672 | oldPickPoint); |
---|
2673 | |
---|
2674 | // Camera motion is reversed |
---|
2675 | motionVector[0] = oldPickPoint[0] - newPickPoint[0]; |
---|
2676 | motionVector[1] = oldPickPoint[1] - newPickPoint[1]; |
---|
2677 | motionVector[2] = oldPickPoint[2] - newPickPoint[2]; |
---|
2678 | |
---|
2679 | camera->GetFocalPoint(viewFocus); |
---|
2680 | camera->GetPosition(viewPoint); |
---|
2681 | camera->SetFocalPoint(motionVector[0] + viewFocus[0], |
---|
2682 | motionVector[1] + viewFocus[1], |
---|
2683 | motionVector[2] + viewFocus[2]); |
---|
2684 | |
---|
2685 | camera->SetPosition(motionVector[0] + viewPoint[0], |
---|
2686 | motionVector[1] + viewPoint[1], |
---|
2687 | motionVector[2] + viewPoint[2]); |
---|
2688 | |
---|
2689 | resetCameraClippingRange(); |
---|
2690 | //computeScreenWorldCoords(); |
---|
2691 | } |
---|
2692 | } |
---|
2693 | |
---|
2694 | TRACE("Leave panCamera: %g %g, current abs: %g %g", |
---|
2695 | x, y, _cameraPan[0], _cameraPan[1]); |
---|
2696 | |
---|
2697 | _needsRedraw = true; |
---|
2698 | } |
---|
2699 | |
---|
2700 | /** |
---|
2701 | * \brief Dolly camera or set orthographic scaling based on camera type |
---|
2702 | * |
---|
2703 | * \param[in] z Ratio to change zoom (greater than 1 is zoom in, less than 1 is zoom out) |
---|
2704 | * \param[in] absolute Control if zoom factor is relative to current setting or absolute |
---|
2705 | */ |
---|
2706 | void Renderer::zoomCamera(double z, bool absolute) |
---|
2707 | { |
---|
2708 | vtkSmartPointer<vtkCamera> camera = _renderer->GetActiveCamera(); |
---|
2709 | TRACE("Enter Zoom: current abs: %g, z: %g, view angle %g", |
---|
2710 | _cameraZoomRatio, z, camera->GetViewAngle()); |
---|
2711 | |
---|
2712 | if (absolute) { |
---|
2713 | assert(_cameraZoomRatio > 0.0); |
---|
2714 | double zAbs = z; |
---|
2715 | z *= 1.0/_cameraZoomRatio; |
---|
2716 | _cameraZoomRatio = zAbs; |
---|
2717 | } else { |
---|
2718 | _cameraZoomRatio *= z; |
---|
2719 | } |
---|
2720 | |
---|
2721 | if (_cameraMode == IMAGE) { |
---|
2722 | _userImgWorldOrigin[0] = 0; |
---|
2723 | _userImgWorldOrigin[1] = 0; |
---|
2724 | _userImgWorldDims[0] = -1; |
---|
2725 | _userImgWorldDims[1] = -1; |
---|
2726 | |
---|
2727 | double dx = _imgWorldDims[0]; |
---|
2728 | double dy = _imgWorldDims[1]; |
---|
2729 | _imgWorldDims[0] /= z; |
---|
2730 | _imgWorldDims[1] /= z; |
---|
2731 | dx -= _imgWorldDims[0]; |
---|
2732 | dy -= _imgWorldDims[1]; |
---|
2733 | _imgWorldOrigin[0] += dx/2.0; |
---|
2734 | _imgWorldOrigin[1] += dy/2.0; |
---|
2735 | _setCameraZoomRegion(_imgWorldOrigin[0], _imgWorldOrigin[1], |
---|
2736 | _imgWorldDims[0], _imgWorldDims[1]); |
---|
2737 | } else { |
---|
2738 | // Keep ortho and perspective modes in sync |
---|
2739 | // Move camera forward/back for perspective camera |
---|
2740 | camera->Dolly(z); |
---|
2741 | // Change ortho parallel scale |
---|
2742 | camera->SetParallelScale(camera->GetParallelScale()/z); |
---|
2743 | resetCameraClippingRange(); |
---|
2744 | //computeScreenWorldCoords(); |
---|
2745 | } |
---|
2746 | |
---|
2747 | TRACE("Leave Zoom: rel %g, new abs: %g, view angle %g", |
---|
2748 | z, _cameraZoomRatio, camera->GetViewAngle()); |
---|
2749 | |
---|
2750 | _needsRedraw = true; |
---|
2751 | } |
---|
2752 | |
---|
2753 | bool Renderer::setCameraZoomRegionPixels(int x, int y, int width, int height) |
---|
2754 | { |
---|
2755 | if (_cameraMode != IMAGE) |
---|
2756 | return false; |
---|
2757 | |
---|
2758 | double wx, wy, ww, wh; |
---|
2759 | |
---|
2760 | y = _windowHeight - y; |
---|
2761 | double pxToWorldX = _screenWorldCoords[2] / (double)_windowWidth; |
---|
2762 | double pxToWorldY = _screenWorldCoords[3] / (double)_windowHeight; |
---|
2763 | |
---|
2764 | wx = _screenWorldCoords[0] + x * pxToWorldX; |
---|
2765 | wy = _screenWorldCoords[1] + y * pxToWorldY; |
---|
2766 | ww = abs(width) * pxToWorldX; |
---|
2767 | wh = abs(height) * pxToWorldY; |
---|
2768 | setCameraZoomRegion(wx, wy, ww, wh); |
---|
2769 | |
---|
2770 | TRACE("\npx: %d %d %d %d\nworld: %g %g %g %g", |
---|
2771 | x, y, width, height, |
---|
2772 | wx, wy, ww, wh); |
---|
2773 | |
---|
2774 | return true; |
---|
2775 | } |
---|
2776 | |
---|
2777 | bool Renderer::setCameraZoomRegion(double x, double y, double width, double height) |
---|
2778 | { |
---|
2779 | if (_cameraMode != IMAGE) |
---|
2780 | return false; |
---|
2781 | |
---|
2782 | _userImgWorldOrigin[0] = x; |
---|
2783 | _userImgWorldOrigin[1] = y; |
---|
2784 | _userImgWorldDims[0] = width; |
---|
2785 | _userImgWorldDims[1] = height; |
---|
2786 | _setCameraZoomRegion(x, y, width, height); |
---|
2787 | |
---|
2788 | return true; |
---|
2789 | } |
---|
2790 | |
---|
2791 | /** |
---|
2792 | * \brief Set the pan/zoom using a corner and dimensions in pixel coordinates |
---|
2793 | * |
---|
2794 | * \param[in] x left pixel coordinate |
---|
2795 | * \param[in] y bottom pixel coordinate (with y=0 at top of window) |
---|
2796 | * \param[in] width Width of zoom region in pixel coordinates |
---|
2797 | * \param[in] height Height of zoom region in pixel coordinates |
---|
2798 | */ |
---|
2799 | void Renderer::_setCameraZoomRegionPixels(int x, int y, int width, int height) |
---|
2800 | { |
---|
2801 | if (_cameraMode != IMAGE) { |
---|
2802 | ERROR("Called while camera mode is not image"); |
---|
2803 | return; |
---|
2804 | } |
---|
2805 | |
---|
2806 | double wx, wy, ww, wh; |
---|
2807 | |
---|
2808 | y = _windowHeight - y; |
---|
2809 | double pxToWorldX = _screenWorldCoords[2] / (double)_windowWidth; |
---|
2810 | double pxToWorldY = _screenWorldCoords[3] / (double)_windowHeight; |
---|
2811 | |
---|
2812 | wx = _screenWorldCoords[0] + x * pxToWorldX; |
---|
2813 | wy = _screenWorldCoords[1] + y * pxToWorldY; |
---|
2814 | ww = abs(width) * pxToWorldX; |
---|
2815 | wh = abs(height) * pxToWorldY; |
---|
2816 | _setCameraZoomRegion(wx, wy, ww, wh); |
---|
2817 | |
---|
2818 | TRACE("\npx: %d %d %d %d\nworld: %g %g %g %g", |
---|
2819 | x, y, width, height, |
---|
2820 | wx, wy, ww, wh); |
---|
2821 | } |
---|
2822 | |
---|
2823 | void Renderer::getImageCameraSizes(int *imgWidthPx, int *imgHeightPx, |
---|
2824 | int *_pxOffsetX, int *_pxOffsetY) |
---|
2825 | { |
---|
2826 | int pxOffsetX, pxOffsetY; |
---|
2827 | pxOffsetX = (int)(0.17 * (double)_windowWidth); |
---|
2828 | pxOffsetX = (pxOffsetX > 100 ? 100 : pxOffsetX); |
---|
2829 | pxOffsetY = (int)(0.15 * (double)_windowHeight); |
---|
2830 | pxOffsetY = (pxOffsetY > 75 ? 75 : pxOffsetY); |
---|
2831 | |
---|
2832 | int outerGutter = (int)(0.03 * (double)_windowWidth); |
---|
2833 | outerGutter = (outerGutter > 15 ? 15 : outerGutter); |
---|
2834 | |
---|
2835 | *imgWidthPx = _windowWidth - pxOffsetX - outerGutter; |
---|
2836 | *imgHeightPx = _windowHeight - pxOffsetY - outerGutter; |
---|
2837 | if (_pxOffsetX != NULL) *_pxOffsetX = pxOffsetX; |
---|
2838 | if (_pxOffsetY != NULL) *_pxOffsetY = pxOffsetY; |
---|
2839 | } |
---|
2840 | |
---|
2841 | double Renderer::getImageCameraAspect() |
---|
2842 | { |
---|
2843 | int imgWidthPx, imgHeightPx; |
---|
2844 | getImageCameraSizes(&imgWidthPx, &imgHeightPx); |
---|
2845 | return ((double)imgWidthPx / (double)imgHeightPx); |
---|
2846 | } |
---|
2847 | |
---|
2848 | /** |
---|
2849 | * \brief Set the pan/zoom using a corner and dimensions in world coordinates |
---|
2850 | * |
---|
2851 | * \param[in] x left world coordinate |
---|
2852 | * \param[in] y bottom world coordinate |
---|
2853 | * \param[in] width Width of zoom region in world coordinates |
---|
2854 | * \param[in] height Height of zoom region in world coordinates |
---|
2855 | */ |
---|
2856 | void Renderer::_setCameraZoomRegion(double x, double y, double width, double height) |
---|
2857 | { |
---|
2858 | if (_cameraMode != IMAGE) { |
---|
2859 | ERROR("Called while camera mode is not image"); |
---|
2860 | return; |
---|
2861 | } |
---|
2862 | |
---|
2863 | int imgWidthPx, imgHeightPx; |
---|
2864 | int pxOffsetX, pxOffsetY; |
---|
2865 | |
---|
2866 | getImageCameraSizes(&imgWidthPx, &imgHeightPx, &pxOffsetX, &pxOffsetY); |
---|
2867 | |
---|
2868 | double imgWindowAspect = (double)imgWidthPx / (double)imgHeightPx; |
---|
2869 | |
---|
2870 | double pxToWorld; |
---|
2871 | double imgWidthWorld; |
---|
2872 | double imgHeightWorld; |
---|
2873 | |
---|
2874 | double requestedAspect = width / height; |
---|
2875 | |
---|
2876 | if (requestedAspect >= imgWindowAspect) { |
---|
2877 | pxToWorld = width / (double)imgWidthPx; |
---|
2878 | imgWidthWorld = width; |
---|
2879 | imgHeightWorld = (double)imgHeightPx * pxToWorld; |
---|
2880 | } else { |
---|
2881 | pxToWorld = height / (double)imgHeightPx; |
---|
2882 | imgWidthWorld = (double)imgWidthPx * pxToWorld; |
---|
2883 | imgHeightWorld = height; |
---|
2884 | } |
---|
2885 | |
---|
2886 | double offsetX = pxOffsetX * pxToWorld; |
---|
2887 | double offsetY = pxOffsetY * pxToWorld; |
---|
2888 | double winWidthWorld = _windowWidth * pxToWorld; |
---|
2889 | double winHeightWorld = _windowHeight * pxToWorld; |
---|
2890 | |
---|
2891 | TRACE("Window: %d %d", _windowWidth, _windowHeight); |
---|
2892 | TRACE("ZoomRegion: %g %g %g %g", x, y, width, height); |
---|
2893 | TRACE("pxToWorld: %g", pxToWorld); |
---|
2894 | TRACE("offset: %g %g", offsetX, offsetY); |
---|
2895 | |
---|
2896 | _imgWorldOrigin[0] = x; |
---|
2897 | _imgWorldOrigin[1] = y; |
---|
2898 | _imgWorldDims[0] = width; |
---|
2899 | _imgWorldDims[1] = height; |
---|
2900 | _imgWindowWorldDims[0] = imgWidthWorld; |
---|
2901 | _imgWindowWorldDims[1] = imgHeightWorld; |
---|
2902 | |
---|
2903 | double camPos[2]; |
---|
2904 | camPos[0] = _imgWorldOrigin[0] - offsetX + winWidthWorld / 2.0; |
---|
2905 | camPos[1] = _imgWorldOrigin[1] - offsetY + winHeightWorld / 2.0; |
---|
2906 | |
---|
2907 | vtkSmartPointer<vtkCamera> camera = _renderer->GetActiveCamera(); |
---|
2908 | camera->ParallelProjectionOn(); |
---|
2909 | camera->SetClippingRange(1, 2); |
---|
2910 | // Half of world coordinate height of viewport (Documentation is wrong) |
---|
2911 | camera->SetParallelScale(winHeightWorld / 2.0); |
---|
2912 | |
---|
2913 | if (_imgCameraPlane == PLANE_XY) { |
---|
2914 | // XY plane |
---|
2915 | camera->SetPosition(camPos[0], camPos[1], _imgCameraOffset + 1.); |
---|
2916 | camera->SetFocalPoint(camPos[0], camPos[1], _imgCameraOffset); |
---|
2917 | camera->SetViewUp(0, 1, 0); |
---|
2918 | // bottom |
---|
2919 | _cameraClipPlanes[0]->SetOrigin(0, _imgWorldOrigin[1], 0); |
---|
2920 | _cameraClipPlanes[0]->SetNormal(0, 1, 0); |
---|
2921 | // left |
---|
2922 | _cameraClipPlanes[1]->SetOrigin(_imgWorldOrigin[0], 0, 0); |
---|
2923 | _cameraClipPlanes[1]->SetNormal(1, 0, 0); |
---|
2924 | // top |
---|
2925 | _cameraClipPlanes[2]->SetOrigin(0, _imgWorldOrigin[1] + _imgWindowWorldDims[1], 0); |
---|
2926 | _cameraClipPlanes[2]->SetNormal(0, -1, 0); |
---|
2927 | // right |
---|
2928 | _cameraClipPlanes[3]->SetOrigin(_imgWorldOrigin[0] + _imgWindowWorldDims[0], 0, 0); |
---|
2929 | _cameraClipPlanes[3]->SetNormal(-1, 0, 0); |
---|
2930 | |
---|
2931 | _cubeAxesActor->SetBounds(_imgWorldOrigin[0], _imgWorldOrigin[0] + _imgWindowWorldDims[0], |
---|
2932 | _imgWorldOrigin[1], _imgWorldOrigin[1] + _imgWindowWorldDims[1], |
---|
2933 | _imgCameraOffset, _imgCameraOffset); |
---|
2934 | _cubeAxesActor->XAxisVisibilityOn(); |
---|
2935 | _cubeAxesActor->YAxisVisibilityOn(); |
---|
2936 | _cubeAxesActor->ZAxisVisibilityOff(); |
---|
2937 | } else if (_imgCameraPlane == PLANE_ZY) { |
---|
2938 | // ZY plane |
---|
2939 | camera->SetPosition(_imgCameraOffset - 1., camPos[1], camPos[0]); |
---|
2940 | camera->SetFocalPoint(_imgCameraOffset, camPos[1], camPos[0]); |
---|
2941 | camera->SetViewUp(0, 1, 0); |
---|
2942 | // bottom |
---|
2943 | _cameraClipPlanes[0]->SetOrigin(0, _imgWorldOrigin[1], 0); |
---|
2944 | _cameraClipPlanes[0]->SetNormal(0, 1, 0); |
---|
2945 | // left |
---|
2946 | _cameraClipPlanes[1]->SetOrigin(0, 0, _imgWorldOrigin[0]); |
---|
2947 | _cameraClipPlanes[1]->SetNormal(0, 0, 1); |
---|
2948 | // top |
---|
2949 | _cameraClipPlanes[2]->SetOrigin(0, _imgWorldOrigin[1] + _imgWindowWorldDims[1], 0); |
---|
2950 | _cameraClipPlanes[2]->SetNormal(0, -1, 0); |
---|
2951 | // right |
---|
2952 | _cameraClipPlanes[3]->SetOrigin(0, 0, _imgWorldOrigin[0] + _imgWindowWorldDims[0]); |
---|
2953 | _cameraClipPlanes[3]->SetNormal(0, 0, -1); |
---|
2954 | |
---|
2955 | _cubeAxesActor->SetBounds(_imgCameraOffset, _imgCameraOffset, |
---|
2956 | _imgWorldOrigin[1], _imgWorldOrigin[1] + _imgWindowWorldDims[1], |
---|
2957 | _imgWorldOrigin[0], _imgWorldOrigin[0] + _imgWindowWorldDims[0]); |
---|
2958 | _cubeAxesActor->XAxisVisibilityOff(); |
---|
2959 | _cubeAxesActor->YAxisVisibilityOn(); |
---|
2960 | _cubeAxesActor->ZAxisVisibilityOn(); |
---|
2961 | } else { |
---|
2962 | // XZ plane |
---|
2963 | camera->SetPosition(camPos[0], _imgCameraOffset - 1., camPos[1]); |
---|
2964 | camera->SetFocalPoint(camPos[0], _imgCameraOffset, camPos[1]); |
---|
2965 | camera->SetViewUp(0, 0, 1); |
---|
2966 | // bottom |
---|
2967 | _cameraClipPlanes[0]->SetOrigin(0, 0, _imgWorldOrigin[1]); |
---|
2968 | _cameraClipPlanes[0]->SetNormal(0, 0, 1); |
---|
2969 | // left |
---|
2970 | _cameraClipPlanes[1]->SetOrigin(_imgWorldOrigin[0], 0, 0); |
---|
2971 | _cameraClipPlanes[1]->SetNormal(1, 0, 0); |
---|
2972 | // top |
---|
2973 | _cameraClipPlanes[2]->SetOrigin(0, 0, _imgWorldOrigin[1] + _imgWorldDims[1]); |
---|
2974 | _cameraClipPlanes[2]->SetNormal(0, 0, -1); |
---|
2975 | // right |
---|
2976 | _cameraClipPlanes[3]->SetOrigin(_imgWorldOrigin[0] + _imgWorldDims[0], 0, 0); |
---|
2977 | _cameraClipPlanes[3]->SetNormal(-1, 0, 0); |
---|
2978 | |
---|
2979 | _cubeAxesActor->SetBounds(_imgWorldOrigin[0], _imgWorldOrigin[0] + _imgWindowWorldDims[0], |
---|
2980 | _imgCameraOffset, _imgCameraOffset, |
---|
2981 | _imgWorldOrigin[1], _imgWorldOrigin[1] + _imgWindowWorldDims[1]); |
---|
2982 | _cubeAxesActor->XAxisVisibilityOn(); |
---|
2983 | _cubeAxesActor->YAxisVisibilityOff(); |
---|
2984 | _cubeAxesActor->ZAxisVisibilityOn(); |
---|
2985 | } |
---|
2986 | |
---|
2987 | // Fix up axis ranges based on new bounds |
---|
2988 | setAxesRanges(); |
---|
2989 | |
---|
2990 | // Compute screen world coordinates |
---|
2991 | computeScreenWorldCoords(); |
---|
2992 | |
---|
2993 | #ifdef DEBUG |
---|
2994 | printCameraInfo(camera); |
---|
2995 | #endif |
---|
2996 | |
---|
2997 | _needsRedraw = true; |
---|
2998 | } |
---|
2999 | |
---|
3000 | /** |
---|
3001 | * \brief Convert pixel/display coordinates to world coordinates based on current camera |
---|
3002 | */ |
---|
3003 | void Renderer::computeDisplayToWorld(double x, double y, double z, double worldPt[4]) |
---|
3004 | { |
---|
3005 | _renderer->SetDisplayPoint(x, y, z); |
---|
3006 | _renderer->DisplayToWorld(); |
---|
3007 | _renderer->GetWorldPoint(worldPt); |
---|
3008 | if (worldPt[3]) { |
---|
3009 | worldPt[0] /= worldPt[3]; |
---|
3010 | worldPt[1] /= worldPt[3]; |
---|
3011 | worldPt[2] /= worldPt[3]; |
---|
3012 | worldPt[3] = 1.0; |
---|
3013 | } |
---|
3014 | } |
---|
3015 | |
---|
3016 | /** |
---|
3017 | * \brief Convert world coordinates to pixel/display coordinates based on current camera |
---|
3018 | */ |
---|
3019 | void Renderer::computeWorldToDisplay(double x, double y, double z, double displayPt[3]) |
---|
3020 | { |
---|
3021 | _renderer->SetWorldPoint(x, y, z, 1.0); |
---|
3022 | _renderer->WorldToDisplay(); |
---|
3023 | _renderer->GetDisplayPoint(displayPt); |
---|
3024 | } |
---|
3025 | |
---|
3026 | /** |
---|
3027 | * \brief Compute the world coordinate bounds of the display rectangle |
---|
3028 | */ |
---|
3029 | void Renderer::computeScreenWorldCoords() |
---|
3030 | { |
---|
3031 | // Start with viewport coords [-1,1] |
---|
3032 | double x0 = -1; |
---|
3033 | double y0 = -1; |
---|
3034 | double z0 = -1; |
---|
3035 | double x1 = 1; |
---|
3036 | double y1 = 1; |
---|
3037 | double z1 = -1; |
---|
3038 | |
---|
3039 | vtkMatrix4x4 *mat = vtkMatrix4x4::New(); |
---|
3040 | double result[4]; |
---|
3041 | |
---|
3042 | // get the perspective transformation from the active camera |
---|
3043 | mat->DeepCopy(_renderer->GetActiveCamera()-> |
---|
3044 | GetCompositeProjectionTransformMatrix(_renderer->GetTiledAspectRatio(),0,1)); |
---|
3045 | |
---|
3046 | // use the inverse matrix |
---|
3047 | mat->Invert(); |
---|
3048 | |
---|
3049 | // Transform point to world coordinates |
---|
3050 | result[0] = x0; |
---|
3051 | result[1] = y0; |
---|
3052 | result[2] = z0; |
---|
3053 | result[3] = 1.0; |
---|
3054 | |
---|
3055 | mat->MultiplyPoint(result, result); |
---|
3056 | |
---|
3057 | // Get the transformed vector & set WorldPoint |
---|
3058 | // while we are at it try to keep w at one |
---|
3059 | if (result[3]) { |
---|
3060 | x0 = result[0] / result[3]; |
---|
3061 | y0 = result[1] / result[3]; |
---|
3062 | z0 = result[2] / result[3]; |
---|
3063 | } |
---|
3064 | |
---|
3065 | result[0] = x1; |
---|
3066 | result[1] = y1; |
---|
3067 | result[2] = z1; |
---|
3068 | result[3] = 1.0; |
---|
3069 | |
---|
3070 | mat->MultiplyPoint(result, result); |
---|
3071 | |
---|
3072 | if (result[3]) { |
---|
3073 | x1 = result[0] / result[3]; |
---|
3074 | y1 = result[1] / result[3]; |
---|
3075 | z1 = result[2] / result[3]; |
---|
3076 | } |
---|
3077 | |
---|
3078 | mat->Delete(); |
---|
3079 | |
---|
3080 | if (_imgCameraPlane == PLANE_XZ) { |
---|
3081 | _screenWorldCoords[0] = x0; |
---|
3082 | _screenWorldCoords[1] = z0; |
---|
3083 | _screenWorldCoords[2] = x1 - x0; |
---|
3084 | _screenWorldCoords[3] = z1 - z0; |
---|
3085 | } else if (_imgCameraPlane == PLANE_ZY) { |
---|
3086 | _screenWorldCoords[0] = z0; |
---|
3087 | _screenWorldCoords[1] = y0; |
---|
3088 | _screenWorldCoords[2] = z1 - z0; |
---|
3089 | _screenWorldCoords[3] = y1 - y0; |
---|
3090 | } else { |
---|
3091 | // XY |
---|
3092 | _screenWorldCoords[0] = x0; |
---|
3093 | _screenWorldCoords[1] = y0; |
---|
3094 | _screenWorldCoords[2] = x1 - x0; |
---|
3095 | _screenWorldCoords[3] = y1 - y0; |
---|
3096 | } |
---|
3097 | } |
---|
3098 | |
---|
3099 | /** |
---|
3100 | * \brief Get the world coordinates of the image camera plot area |
---|
3101 | * |
---|
3102 | * \param[out] xywh Array to hold x,y,width,height world coordinates |
---|
3103 | */ |
---|
3104 | void Renderer::getCameraZoomRegion(double xywh[4]) const |
---|
3105 | { |
---|
3106 | xywh[0] = _imgWorldOrigin[0]; |
---|
3107 | xywh[1] = _imgWorldOrigin[1]; |
---|
3108 | xywh[2] = _imgWorldDims[0]; |
---|
3109 | xywh[3] = _imgWorldDims[1]; |
---|
3110 | } |
---|
3111 | |
---|
3112 | /** |
---|
3113 | * \brief Get the world origin and dimensions of the screen |
---|
3114 | * |
---|
3115 | * \param[out] xywh Array to hold x,y,width,height world coordinates |
---|
3116 | */ |
---|
3117 | void Renderer::getScreenWorldCoords(double xywh[4]) const |
---|
3118 | { |
---|
3119 | memcpy(xywh, _screenWorldCoords, sizeof(double)*4); |
---|
3120 | } |
---|
3121 | |
---|
3122 | /** |
---|
3123 | * \brief Compute bounding box containing the two input bounding boxes |
---|
3124 | * |
---|
3125 | * \param[out] boundsDest Union of the two input bounding boxes |
---|
3126 | * \param[in] bounds1 Input bounding box |
---|
3127 | * \param[in] bounds2 Input bounding box |
---|
3128 | */ |
---|
3129 | void Renderer::mergeBounds(double *boundsDest, |
---|
3130 | const double *bounds1, const double *bounds2) |
---|
3131 | { |
---|
3132 | assert(boundsDest != NULL); |
---|
3133 | assert(bounds1 != NULL); |
---|
3134 | if (bounds2 == NULL) { |
---|
3135 | WARN("NULL bounds2 array"); |
---|
3136 | return; |
---|
3137 | } |
---|
3138 | bool b1empty = (bounds1[0] > bounds1[1]); |
---|
3139 | bool b2empty = (bounds2[0] > bounds2[1]); |
---|
3140 | |
---|
3141 | if (b1empty && b2empty) |
---|
3142 | return; |
---|
3143 | if (b1empty) { |
---|
3144 | memcpy(boundsDest, bounds2, sizeof(double) * 6); |
---|
3145 | return; |
---|
3146 | } else if (b2empty) { |
---|
3147 | memcpy(boundsDest, bounds1, sizeof(double) * 6); |
---|
3148 | return; |
---|
3149 | } |
---|
3150 | |
---|
3151 | for (int i = 0; i < 6; i++) { |
---|
3152 | if (i % 2 == 0) |
---|
3153 | boundsDest[i] = min2(bounds1[i], bounds2[i]); |
---|
3154 | else |
---|
3155 | boundsDest[i] = max2(bounds1[i], bounds2[i]); |
---|
3156 | } |
---|
3157 | } |
---|
3158 | |
---|
3159 | /** |
---|
3160 | * \brief Collect bounds of all graphics objects |
---|
3161 | * |
---|
3162 | * \param[out] bounds Bounds of all scene objects |
---|
3163 | * \param[in] onlyVisible Only collect bounds of visible objects |
---|
3164 | */ |
---|
3165 | void Renderer::collectBounds(double *bounds, bool onlyVisible) |
---|
3166 | { |
---|
3167 | bounds[0] = DBL_MAX; |
---|
3168 | bounds[1] = -DBL_MAX; |
---|
3169 | bounds[2] = DBL_MAX; |
---|
3170 | bounds[3] = -DBL_MAX; |
---|
3171 | bounds[4] = DBL_MAX; |
---|
3172 | bounds[5] = -DBL_MAX; |
---|
3173 | |
---|
3174 | mergeGraphicsObjectBounds<Arc>(bounds, onlyVisible); |
---|
3175 | mergeGraphicsObjectBounds<Arrow>(bounds, onlyVisible); |
---|
3176 | mergeGraphicsObjectBounds<Box>(bounds, onlyVisible); |
---|
3177 | mergeGraphicsObjectBounds<Cone>(bounds, onlyVisible); |
---|
3178 | mergeGraphicsObjectBounds<Contour2D>(bounds, onlyVisible); |
---|
3179 | mergeGraphicsObjectBounds<Contour3D>(bounds, onlyVisible); |
---|
3180 | mergeGraphicsObjectBounds<Cutplane>(bounds, onlyVisible); |
---|
3181 | mergeGraphicsObjectBounds<Cylinder>(bounds, onlyVisible); |
---|
3182 | mergeGraphicsObjectBounds<Disk>(bounds, onlyVisible); |
---|
3183 | mergeGraphicsObjectBounds<Glyphs>(bounds, onlyVisible); |
---|
3184 | mergeGraphicsObjectBounds<Group>(bounds, onlyVisible); |
---|
3185 | mergeGraphicsObjectBounds<HeightMap>(bounds, onlyVisible); |
---|
3186 | mergeGraphicsObjectBounds<LIC>(bounds, onlyVisible); |
---|
3187 | mergeGraphicsObjectBounds<Line>(bounds, onlyVisible); |
---|
3188 | mergeGraphicsObjectBounds<Molecule>(bounds, onlyVisible); |
---|
3189 | mergeGraphicsObjectBounds<Outline>(bounds, onlyVisible); |
---|
3190 | mergeGraphicsObjectBounds<PolyData>(bounds, onlyVisible); |
---|
3191 | mergeGraphicsObjectBounds<Polygon>(bounds, onlyVisible); |
---|
3192 | mergeGraphicsObjectBounds<PseudoColor>(bounds, onlyVisible); |
---|
3193 | mergeGraphicsObjectBounds<Sphere>(bounds, onlyVisible); |
---|
3194 | mergeGraphicsObjectBounds<Streamlines>(bounds, onlyVisible); |
---|
3195 | mergeGraphicsObjectBounds<Volume>(bounds, onlyVisible); |
---|
3196 | mergeGraphicsObjectBounds<Warp>(bounds, onlyVisible); |
---|
3197 | |
---|
3198 | for (int i = 0; i < 6; i += 2) { |
---|
3199 | if (bounds[i+1] < bounds[i]) { |
---|
3200 | bounds[i] = -0.5; |
---|
3201 | bounds[i+1] = 0.5; |
---|
3202 | } |
---|
3203 | } |
---|
3204 | |
---|
3205 | int numDims = 0; |
---|
3206 | if (bounds[0] != bounds[1]) |
---|
3207 | numDims++; |
---|
3208 | if (bounds[2] != bounds[3]) |
---|
3209 | numDims++; |
---|
3210 | if (bounds[4] != bounds[5]) |
---|
3211 | numDims++; |
---|
3212 | |
---|
3213 | if (numDims == 0) { |
---|
3214 | bounds[0] -= .5; |
---|
3215 | bounds[1] += .5; |
---|
3216 | bounds[2] -= .5; |
---|
3217 | bounds[3] += .5; |
---|
3218 | } |
---|
3219 | |
---|
3220 | TRACE("Bounds: %g %g %g %g %g %g", |
---|
3221 | bounds[0], |
---|
3222 | bounds[1], |
---|
3223 | bounds[2], |
---|
3224 | bounds[3], |
---|
3225 | bounds[4], |
---|
3226 | bounds[5]); |
---|
3227 | } |
---|
3228 | |
---|
3229 | /** |
---|
3230 | * \brief Collect bounds of all graphics objects |
---|
3231 | * |
---|
3232 | * \param[out] bounds Bounds of all scene objects |
---|
3233 | * \param[in] onlyVisible Only collect bounds of visible objects |
---|
3234 | */ |
---|
3235 | void Renderer::collectUnscaledBounds(double *bounds, bool onlyVisible) |
---|
3236 | { |
---|
3237 | bounds[0] = DBL_MAX; |
---|
3238 | bounds[1] = -DBL_MAX; |
---|
3239 | bounds[2] = DBL_MAX; |
---|
3240 | bounds[3] = -DBL_MAX; |
---|
3241 | bounds[4] = DBL_MAX; |
---|
3242 | bounds[5] = -DBL_MAX; |
---|
3243 | |
---|
3244 | mergeGraphicsObjectUnscaledBounds<Arc>(bounds, onlyVisible); |
---|
3245 | mergeGraphicsObjectUnscaledBounds<Arrow>(bounds, onlyVisible); |
---|
3246 | mergeGraphicsObjectUnscaledBounds<Box>(bounds, onlyVisible); |
---|
3247 | mergeGraphicsObjectUnscaledBounds<Cone>(bounds, onlyVisible); |
---|
3248 | mergeGraphicsObjectUnscaledBounds<Contour2D>(bounds, onlyVisible); |
---|
3249 | mergeGraphicsObjectUnscaledBounds<Contour3D>(bounds, onlyVisible); |
---|
3250 | mergeGraphicsObjectUnscaledBounds<Cutplane>(bounds, onlyVisible); |
---|
3251 | mergeGraphicsObjectUnscaledBounds<Cylinder>(bounds, onlyVisible); |
---|
3252 | mergeGraphicsObjectUnscaledBounds<Disk>(bounds, onlyVisible); |
---|
3253 | mergeGraphicsObjectUnscaledBounds<Glyphs>(bounds, onlyVisible); |
---|
3254 | mergeGraphicsObjectUnscaledBounds<HeightMap>(bounds, onlyVisible); |
---|
3255 | mergeGraphicsObjectUnscaledBounds<LIC>(bounds, onlyVisible); |
---|
3256 | mergeGraphicsObjectUnscaledBounds<Line>(bounds, onlyVisible); |
---|
3257 | mergeGraphicsObjectUnscaledBounds<Molecule>(bounds, onlyVisible); |
---|
3258 | mergeGraphicsObjectUnscaledBounds<Outline>(bounds, onlyVisible); |
---|
3259 | mergeGraphicsObjectUnscaledBounds<PolyData>(bounds, onlyVisible); |
---|
3260 | mergeGraphicsObjectUnscaledBounds<Polygon>(bounds, onlyVisible); |
---|
3261 | mergeGraphicsObjectUnscaledBounds<PseudoColor>(bounds, onlyVisible); |
---|
3262 | mergeGraphicsObjectUnscaledBounds<Sphere>(bounds, onlyVisible); |
---|
3263 | mergeGraphicsObjectUnscaledBounds<Streamlines>(bounds, onlyVisible); |
---|
3264 | mergeGraphicsObjectUnscaledBounds<Volume>(bounds, onlyVisible); |
---|
3265 | mergeGraphicsObjectUnscaledBounds<Warp>(bounds, onlyVisible); |
---|
3266 | |
---|
3267 | for (int i = 0; i < 6; i += 2) { |
---|
3268 | if (bounds[i+1] < bounds[i]) { |
---|
3269 | bounds[i] = -0.5; |
---|
3270 | bounds[i+1] = 0.5; |
---|
3271 | } |
---|
3272 | } |
---|
3273 | |
---|
3274 | int numDims = 0; |
---|
3275 | if (bounds[0] != bounds[1]) |
---|
3276 | numDims++; |
---|
3277 | if (bounds[2] != bounds[3]) |
---|
3278 | numDims++; |
---|
3279 | if (bounds[4] != bounds[5]) |
---|
3280 | numDims++; |
---|
3281 | |
---|
3282 | if (numDims == 0) { |
---|
3283 | bounds[0] -= .5; |
---|
3284 | bounds[1] += .5; |
---|
3285 | bounds[2] -= .5; |
---|
3286 | bounds[3] += .5; |
---|
3287 | } |
---|
3288 | |
---|
3289 | TRACE("Bounds: %g %g %g %g %g %g", |
---|
3290 | bounds[0], |
---|
3291 | bounds[1], |
---|
3292 | bounds[2], |
---|
3293 | bounds[3], |
---|
3294 | bounds[4], |
---|
3295 | bounds[5]); |
---|
3296 | } |
---|
3297 | |
---|
3298 | /** |
---|
3299 | * \brief Update data ranges for color-mapping and contours |
---|
3300 | */ |
---|
3301 | void Renderer::updateFieldRanges() |
---|
3302 | { |
---|
3303 | collectDataRanges(); |
---|
3304 | |
---|
3305 | updateGraphicsObjectFieldRanges<Contour2D>(); |
---|
3306 | updateGraphicsObjectFieldRanges<Contour3D>(); |
---|
3307 | updateGraphicsObjectFieldRanges<Cutplane>(); |
---|
3308 | updateGraphicsObjectFieldRanges<Glyphs>(); |
---|
3309 | updateGraphicsObjectFieldRanges<HeightMap>(); |
---|
3310 | updateGraphicsObjectFieldRanges<LIC>(); |
---|
3311 | updateGraphicsObjectFieldRanges<Molecule>(); |
---|
3312 | updateGraphicsObjectFieldRanges<PseudoColor>(); |
---|
3313 | updateGraphicsObjectFieldRanges<Streamlines>(); |
---|
3314 | updateGraphicsObjectFieldRanges<Volume>(); |
---|
3315 | updateGraphicsObjectFieldRanges<Warp>(); |
---|
3316 | } |
---|
3317 | |
---|
3318 | /** |
---|
3319 | * \brief Collect cumulative data range of all DataSets |
---|
3320 | * |
---|
3321 | * \param[out] range Data range of all DataSets |
---|
3322 | * \param[in] name Field name |
---|
3323 | * \param[in] type Attribute type: e.g. POINT_DATA, CELL_DATA |
---|
3324 | * \param[in] component Array component or -1 for magnitude |
---|
3325 | * \param[in] onlyVisible Only collect range of visible DataSets |
---|
3326 | */ |
---|
3327 | void Renderer::collectDataRanges(double *range, const char *name, |
---|
3328 | DataSet::DataAttributeType type, |
---|
3329 | int component, bool onlyVisible) |
---|
3330 | { |
---|
3331 | range[0] = DBL_MAX; |
---|
3332 | range[1] = -DBL_MAX; |
---|
3333 | |
---|
3334 | for (DataSetHashmap::iterator itr = _dataSets.begin(); |
---|
3335 | itr != _dataSets.end(); ++itr) { |
---|
3336 | if (!onlyVisible || itr->second->getVisibility()) { |
---|
3337 | double r[2]; |
---|
3338 | r[0] = DBL_MAX; |
---|
3339 | r[1] = -DBL_MAX; |
---|
3340 | itr->second->getDataRange(r, name, type, component); |
---|
3341 | range[0] = min2(range[0], r[0]); |
---|
3342 | range[1] = max2(range[1], r[1]); |
---|
3343 | } |
---|
3344 | } |
---|
3345 | if (range[0] == DBL_MAX) |
---|
3346 | range[0] = 0; |
---|
3347 | if (range[1] == -DBL_MAX) |
---|
3348 | range[1] = 1; |
---|
3349 | |
---|
3350 | TRACE("n:'%s' t:%d c:%d [%g,%g]", name, type, component, |
---|
3351 | range[0], range[1]); |
---|
3352 | } |
---|
3353 | |
---|
3354 | /** |
---|
3355 | * \brief Clear field range hashtables and free memory |
---|
3356 | */ |
---|
3357 | void Renderer::clearFieldRanges() |
---|
3358 | { |
---|
3359 | TRACE("Deleting Field Ranges"); |
---|
3360 | for (FieldRangeHashmap::iterator itr = _scalarPointDataRange.begin(); |
---|
3361 | itr != _scalarPointDataRange.end(); ++itr) { |
---|
3362 | delete [] itr->second; |
---|
3363 | } |
---|
3364 | _scalarPointDataRange.clear(); |
---|
3365 | for (FieldRangeHashmap::iterator itr = _scalarCellDataRange.begin(); |
---|
3366 | itr != _scalarCellDataRange.end(); ++itr) { |
---|
3367 | delete [] itr->second; |
---|
3368 | } |
---|
3369 | _scalarCellDataRange.clear(); |
---|
3370 | for (FieldRangeHashmap::iterator itr = _vectorPointDataRange.begin(); |
---|
3371 | itr != _vectorPointDataRange.end(); ++itr) { |
---|
3372 | delete [] itr->second; |
---|
3373 | } |
---|
3374 | _vectorPointDataRange.clear(); |
---|
3375 | for (int i = 0; i < 3; i++) { |
---|
3376 | for (FieldRangeHashmap::iterator itr = _vectorCompPointDataRange[i].begin(); |
---|
3377 | itr != _vectorCompPointDataRange[i].end(); ++itr) { |
---|
3378 | delete [] itr->second; |
---|
3379 | } |
---|
3380 | _vectorCompPointDataRange[i].clear(); |
---|
3381 | } |
---|
3382 | for (FieldRangeHashmap::iterator itr = _vectorCellDataRange.begin(); |
---|
3383 | itr != _vectorCellDataRange.end(); ++itr) { |
---|
3384 | delete [] itr->second; |
---|
3385 | } |
---|
3386 | _vectorCellDataRange.clear(); |
---|
3387 | for (int i = 0; i < 3; i++) { |
---|
3388 | for (FieldRangeHashmap::iterator itr = _vectorCompCellDataRange[i].begin(); |
---|
3389 | itr != _vectorCompCellDataRange[i].end(); ++itr) { |
---|
3390 | delete [] itr->second; |
---|
3391 | } |
---|
3392 | _vectorCompCellDataRange[i].clear(); |
---|
3393 | } |
---|
3394 | } |
---|
3395 | |
---|
3396 | /** |
---|
3397 | * \brief Clear user-defined field range hashtables and free memory |
---|
3398 | */ |
---|
3399 | void Renderer::clearUserFieldRanges() |
---|
3400 | { |
---|
3401 | TRACE("Deleting User Field Ranges"); |
---|
3402 | for (FieldRangeHashmap::iterator itr = _userScalarPointDataRange.begin(); |
---|
3403 | itr != _userScalarPointDataRange.end(); ++itr) { |
---|
3404 | delete [] itr->second; |
---|
3405 | } |
---|
3406 | _userScalarPointDataRange.clear(); |
---|
3407 | for (FieldRangeHashmap::iterator itr = _userScalarCellDataRange.begin(); |
---|
3408 | itr != _userScalarCellDataRange.end(); ++itr) { |
---|
3409 | delete [] itr->second; |
---|
3410 | } |
---|
3411 | _userScalarCellDataRange.clear(); |
---|
3412 | for (FieldRangeHashmap::iterator itr = _userVectorPointDataRange.begin(); |
---|
3413 | itr != _userVectorPointDataRange.end(); ++itr) { |
---|
3414 | delete [] itr->second; |
---|
3415 | } |
---|
3416 | _userVectorPointDataRange.clear(); |
---|
3417 | for (int i = 0; i < 3; i++) { |
---|
3418 | for (FieldRangeHashmap::iterator itr = _userVectorCompPointDataRange[i].begin(); |
---|
3419 | itr != _userVectorCompPointDataRange[i].end(); ++itr) { |
---|
3420 | delete [] itr->second; |
---|
3421 | } |
---|
3422 | _userVectorCompPointDataRange[i].clear(); |
---|
3423 | } |
---|
3424 | for (FieldRangeHashmap::iterator itr = _userVectorCellDataRange.begin(); |
---|
3425 | itr != _userVectorCellDataRange.end(); ++itr) { |
---|
3426 | delete [] itr->second; |
---|
3427 | } |
---|
3428 | _userVectorCellDataRange.clear(); |
---|
3429 | for (int i = 0; i < 3; i++) { |
---|
3430 | for (FieldRangeHashmap::iterator itr = _userVectorCompCellDataRange[i].begin(); |
---|
3431 | itr != _userVectorCompCellDataRange[i].end(); ++itr) { |
---|
3432 | delete [] itr->second; |
---|
3433 | } |
---|
3434 | _userVectorCompCellDataRange[i].clear(); |
---|
3435 | } |
---|
3436 | } |
---|
3437 | |
---|
3438 | /** |
---|
3439 | * \brief Set up hashtables for min/max values of all fields from loaded |
---|
3440 | * datasets |
---|
3441 | * |
---|
3442 | * Note that this method does not set the ranges, it just creates the table |
---|
3443 | * entries |
---|
3444 | */ |
---|
3445 | void Renderer::initFieldRanges() |
---|
3446 | { |
---|
3447 | clearFieldRanges(); |
---|
3448 | |
---|
3449 | for (DataSetHashmap::iterator itr = _dataSets.begin(); |
---|
3450 | itr != _dataSets.end(); ++itr) { |
---|
3451 | DataSet *ds = itr->second; |
---|
3452 | std::vector<std::string> names; |
---|
3453 | ds->getFieldNames(names, DataSet::POINT_DATA, 1); |
---|
3454 | for (std::vector<std::string>::iterator itr = names.begin(); |
---|
3455 | itr != names.end(); ++itr) { |
---|
3456 | FieldRangeHashmap::iterator fritr = |
---|
3457 | _scalarPointDataRange.find(*itr); |
---|
3458 | if (fritr == _scalarPointDataRange.end()) { |
---|
3459 | _scalarPointDataRange[*itr] = new double[2]; |
---|
3460 | _scalarPointDataRange[*itr][0] = 0; |
---|
3461 | _scalarPointDataRange[*itr][1] = 1; |
---|
3462 | } |
---|
3463 | } |
---|
3464 | names.clear(); |
---|
3465 | ds->getFieldNames(names, DataSet::CELL_DATA, 1); |
---|
3466 | for (std::vector<std::string>::iterator itr = names.begin(); |
---|
3467 | itr != names.end(); ++itr) { |
---|
3468 | FieldRangeHashmap::iterator fritr = |
---|
3469 | _scalarCellDataRange.find(*itr); |
---|
3470 | if (fritr == _scalarCellDataRange.end()) { |
---|
3471 | _scalarCellDataRange[*itr] = new double[2]; |
---|
3472 | _scalarCellDataRange[*itr][0] = 0; |
---|
3473 | _scalarCellDataRange[*itr][1] = 1; |
---|
3474 | } |
---|
3475 | } |
---|
3476 | names.clear(); |
---|
3477 | ds->getFieldNames(names, DataSet::POINT_DATA, 3); |
---|
3478 | for (std::vector<std::string>::iterator itr = names.begin(); |
---|
3479 | itr != names.end(); ++itr) { |
---|
3480 | FieldRangeHashmap::iterator fritr = |
---|
3481 | _vectorPointDataRange.find(*itr); |
---|
3482 | if (fritr == _vectorPointDataRange.end()) { |
---|
3483 | _vectorPointDataRange[*itr] = new double[2]; |
---|
3484 | _vectorPointDataRange[*itr][0] = 0; |
---|
3485 | _vectorPointDataRange[*itr][1] = 1; |
---|
3486 | } |
---|
3487 | for (int i = 0; i < 3; i++) { |
---|
3488 | fritr = _vectorCompPointDataRange[i].find(*itr); |
---|
3489 | if (fritr == _vectorCompPointDataRange[i].end()) { |
---|
3490 | _vectorCompPointDataRange[i][*itr] = new double[2]; |
---|
3491 | _vectorCompPointDataRange[i][*itr][0] = 0; |
---|
3492 | _vectorCompPointDataRange[i][*itr][1] = 1; |
---|
3493 | } |
---|
3494 | } |
---|
3495 | } |
---|
3496 | names.clear(); |
---|
3497 | ds->getFieldNames(names, DataSet::CELL_DATA, 3); |
---|
3498 | for (std::vector<std::string>::iterator itr = names.begin(); |
---|
3499 | itr != names.end(); ++itr) { |
---|
3500 | FieldRangeHashmap::iterator fritr = |
---|
3501 | _vectorCellDataRange.find(*itr); |
---|
3502 | if (fritr == _vectorCellDataRange.end()) { |
---|
3503 | _vectorCellDataRange[*itr] = new double[2]; |
---|
3504 | _vectorCellDataRange[*itr][0] = 0; |
---|
3505 | _vectorCellDataRange[*itr][1] = 1; |
---|
3506 | } |
---|
3507 | for (int i = 0; i < 3; i++) { |
---|
3508 | fritr = _vectorCompCellDataRange[i].find(*itr); |
---|
3509 | if (fritr == _vectorCompCellDataRange[i].end()) { |
---|
3510 | _vectorCompCellDataRange[i][*itr] = new double[2]; |
---|
3511 | _vectorCompCellDataRange[i][*itr][0] = 0; |
---|
3512 | _vectorCompCellDataRange[i][*itr][1] = 1; |
---|
3513 | } |
---|
3514 | } |
---|
3515 | } |
---|
3516 | } |
---|
3517 | } |
---|
3518 | |
---|
3519 | /** |
---|
3520 | * \brief Returns boolean flag indicating if cumulative data ranges |
---|
3521 | * should be used |
---|
3522 | */ |
---|
3523 | bool Renderer::getUseCumulativeRange() |
---|
3524 | { |
---|
3525 | return _useCumulativeRange; |
---|
3526 | } |
---|
3527 | |
---|
3528 | /** |
---|
3529 | * \brief Set explicit range to use for mapping fields |
---|
3530 | */ |
---|
3531 | bool Renderer::setCumulativeDataRange(double *range, const char *name, |
---|
3532 | DataSet::DataAttributeType type, |
---|
3533 | int numComponents, |
---|
3534 | int component) |
---|
3535 | { |
---|
3536 | if (range == NULL || name == NULL) |
---|
3537 | return false; |
---|
3538 | |
---|
3539 | _useCumulativeRange = true; |
---|
3540 | bool found = false; |
---|
3541 | |
---|
3542 | switch (type) { |
---|
3543 | case DataSet::POINT_DATA: { |
---|
3544 | FieldRangeHashmap::iterator itr; |
---|
3545 | if (numComponents == 1) { |
---|
3546 | itr = _userScalarPointDataRange.find(name); |
---|
3547 | if (itr == _userScalarPointDataRange.end()) { |
---|
3548 | _userScalarPointDataRange[name] = new double[2]; |
---|
3549 | memcpy(_userScalarPointDataRange[name], range, sizeof(double)*2); |
---|
3550 | } else { |
---|
3551 | found = true; |
---|
3552 | memcpy(itr->second, range, sizeof(double)*2); |
---|
3553 | } |
---|
3554 | } else if (numComponents == 3) { |
---|
3555 | if (component == -1) { |
---|
3556 | itr = _userVectorPointDataRange.find(name); |
---|
3557 | if (itr == _userVectorPointDataRange.end()) { |
---|
3558 | _userVectorPointDataRange[name] = new double[2]; |
---|
3559 | memcpy(itr->second, _userVectorPointDataRange[name], sizeof(double)*2); |
---|
3560 | } else { |
---|
3561 | found = true; |
---|
3562 | memcpy(itr->second, range, sizeof(double)*2); |
---|
3563 | } |
---|
3564 | return found; |
---|
3565 | } else if (component >= 0 && component <= 3) { |
---|
3566 | itr = _userVectorCompPointDataRange[component].find(name); |
---|
3567 | if (itr == _userVectorCompPointDataRange[component].end()) { |
---|
3568 | _userVectorCompPointDataRange[component][name] = new double[2]; |
---|
3569 | memcpy(_userVectorCompPointDataRange[component][name], range, sizeof(double)*2); |
---|
3570 | } else { |
---|
3571 | found = true; |
---|
3572 | memcpy(itr->second, range, sizeof(double)*2); |
---|
3573 | } |
---|
3574 | } |
---|
3575 | } |
---|
3576 | } |
---|
3577 | break; |
---|
3578 | case DataSet::CELL_DATA: { |
---|
3579 | FieldRangeHashmap::iterator itr; |
---|
3580 | if (numComponents == 1) { |
---|
3581 | itr = _userScalarCellDataRange.find(name); |
---|
3582 | if (itr == _userScalarCellDataRange.end()) { |
---|
3583 | _userScalarCellDataRange[name] = new double[2]; |
---|
3584 | memcpy(_userScalarCellDataRange[name], range, sizeof(double)*2); |
---|
3585 | } else { |
---|
3586 | found = true; |
---|
3587 | memcpy(itr->second, range, sizeof(double)*2); |
---|
3588 | } |
---|
3589 | } else if (numComponents == 3) { |
---|
3590 | if (component == -1) { |
---|
3591 | itr = _userVectorCellDataRange.find(name); |
---|
3592 | if (itr == _userVectorCellDataRange.end()) { |
---|
3593 | _userVectorCellDataRange[name] = new double[2]; |
---|
3594 | memcpy(_userVectorCellDataRange[name], range, sizeof(double)*2); |
---|
3595 | } else { |
---|
3596 | found = true; |
---|
3597 | memcpy(itr->second, range, sizeof(double)*2); |
---|
3598 | } |
---|
3599 | } else if (component >= 0 && component <= 3) { |
---|
3600 | itr = _userVectorCompCellDataRange[component].find(name); |
---|
3601 | if (itr == _userVectorCompCellDataRange[component].end()) { |
---|
3602 | _userVectorCompCellDataRange[component][name] = new double[2]; |
---|
3603 | memcpy(_userVectorCompCellDataRange[component][name], range, sizeof(double)*2); |
---|
3604 | } else { |
---|
3605 | found = true; |
---|
3606 | memcpy(itr->second, range, sizeof(double)*2); |
---|
3607 | } |
---|
3608 | } |
---|
3609 | } |
---|
3610 | } |
---|
3611 | break; |
---|
3612 | default: |
---|
3613 | ERROR("Bad Field Type"); |
---|
3614 | } |
---|
3615 | |
---|
3616 | // Notify graphics objects of new ranges |
---|
3617 | updateFieldRanges(); |
---|
3618 | // Bounds may have changed |
---|
3619 | sceneBoundsChanged(); |
---|
3620 | _needsRedraw = true; |
---|
3621 | |
---|
3622 | TRACE("Field: %s found: %d range: %g %g", name, (found ? 1 : 0), range[0], range[1]); |
---|
3623 | return found; |
---|
3624 | } |
---|
3625 | |
---|
3626 | /** |
---|
3627 | * \brief Get the cumulative range across all DataSets for a point |
---|
3628 | * data field if it exists, otherwise a cell data field if it exists |
---|
3629 | * |
---|
3630 | * \param[out] range Pointer to an array of 2 doubles |
---|
3631 | * \param[in] name Field name |
---|
3632 | * \param[in] numComponents Number of components in field |
---|
3633 | * \param[in] component Index of component or -1 for magnitude/scalar |
---|
3634 | * \return boolean indicating if field was found |
---|
3635 | */ |
---|
3636 | bool Renderer::getCumulativeDataRange(double *range, const char *name, |
---|
3637 | int numComponents, |
---|
3638 | int component) |
---|
3639 | { |
---|
3640 | bool ret; |
---|
3641 | if (!(ret = getCumulativeDataRange(range, name, DataSet::POINT_DATA, |
---|
3642 | numComponents, component))) |
---|
3643 | ret = getCumulativeDataRange(range, name, DataSet::CELL_DATA, |
---|
3644 | numComponents, component); |
---|
3645 | return ret; |
---|
3646 | } |
---|
3647 | |
---|
3648 | /** |
---|
3649 | * \brief Get the cumulative range across all DataSets for a field |
---|
3650 | * |
---|
3651 | * \param[out] range Pointer to an array of 2 doubles |
---|
3652 | * \param[in] name Field name |
---|
3653 | * \param[in] type DataAttributeType of field |
---|
3654 | * \param[in] numComponents Number of components in field |
---|
3655 | * \param[in] component Index of component or -1 for magnitude/scalar |
---|
3656 | * \return boolean indicating if field was found |
---|
3657 | */ |
---|
3658 | bool Renderer::getCumulativeDataRange(double *range, const char *name, |
---|
3659 | DataSet::DataAttributeType type, |
---|
3660 | int numComponents, |
---|
3661 | int component) |
---|
3662 | { |
---|
3663 | if (range == NULL || name == NULL) |
---|
3664 | return false; |
---|
3665 | |
---|
3666 | switch (type) { |
---|
3667 | case DataSet::POINT_DATA: { |
---|
3668 | FieldRangeHashmap::iterator itr; |
---|
3669 | if (numComponents == 1) { |
---|
3670 | itr = _userScalarPointDataRange.find(name); |
---|
3671 | if (itr == _userScalarPointDataRange.end()) { |
---|
3672 | itr = _scalarPointDataRange.find(name); |
---|
3673 | if (itr == _scalarPointDataRange.end()) { |
---|
3674 | return false; |
---|
3675 | } |
---|
3676 | } |
---|
3677 | memcpy(range, itr->second, sizeof(double)*2); |
---|
3678 | return true; |
---|
3679 | } else if (numComponents == 3) { |
---|
3680 | if (component == -1) { |
---|
3681 | itr = _userVectorPointDataRange.find(name); |
---|
3682 | if (itr == _userVectorPointDataRange.end()) { |
---|
3683 | itr = _vectorPointDataRange.find(name); |
---|
3684 | if (itr == _vectorPointDataRange.end()) { |
---|
3685 | return false; |
---|
3686 | } |
---|
3687 | } |
---|
3688 | memcpy(range, itr->second, sizeof(double)*2); |
---|
3689 | return true; |
---|
3690 | } else if (component >= 0 && component <= 3) { |
---|
3691 | itr = _userVectorCompPointDataRange[component].find(name); |
---|
3692 | if (itr == _userVectorCompPointDataRange[component].end()) { |
---|
3693 | itr = _vectorCompPointDataRange[component].find(name); |
---|
3694 | if (itr == _vectorCompPointDataRange[component].end()) { |
---|
3695 | return false; |
---|
3696 | } |
---|
3697 | } |
---|
3698 | memcpy(range, itr->second, sizeof(double)*2); |
---|
3699 | return true; |
---|
3700 | } |
---|
3701 | } |
---|
3702 | } |
---|
3703 | break; |
---|
3704 | case DataSet::CELL_DATA: { |
---|
3705 | FieldRangeHashmap::iterator itr; |
---|
3706 | if (numComponents == 1) { |
---|
3707 | itr = _userScalarCellDataRange.find(name); |
---|
3708 | if (itr == _userScalarCellDataRange.end()) { |
---|
3709 | itr = _scalarCellDataRange.find(name); |
---|
3710 | if (itr == _scalarCellDataRange.end()) { |
---|
3711 | return false; |
---|
3712 | } |
---|
3713 | } |
---|
3714 | memcpy(range, itr->second, sizeof(double)*2); |
---|
3715 | return true; |
---|
3716 | } else if (numComponents == 3) { |
---|
3717 | if (component == -1) { |
---|
3718 | itr = _userVectorCellDataRange.find(name); |
---|
3719 | if (itr == _userVectorCellDataRange.end()) { |
---|
3720 | itr = _vectorCellDataRange.find(name); |
---|
3721 | if (itr == _vectorCellDataRange.end()) { |
---|
3722 | return false; |
---|
3723 | } |
---|
3724 | } |
---|
3725 | memcpy(range, itr->second, sizeof(double)*2); |
---|
3726 | return true; |
---|
3727 | } else if (component >= 0 && component <= 3) { |
---|
3728 | itr = _userVectorCompCellDataRange[component].find(name); |
---|
3729 | if (itr == _userVectorCompCellDataRange[component].end()) { |
---|
3730 | itr = _vectorCompCellDataRange[component].find(name); |
---|
3731 | if (itr == _vectorCompCellDataRange[component].end()) { |
---|
3732 | return false; |
---|
3733 | } |
---|
3734 | } |
---|
3735 | memcpy(range, itr->second, sizeof(double)*2); |
---|
3736 | return true; |
---|
3737 | } |
---|
3738 | } |
---|
3739 | } |
---|
3740 | break; |
---|
3741 | default: |
---|
3742 | break; |
---|
3743 | } |
---|
3744 | return false; |
---|
3745 | } |
---|
3746 | |
---|
3747 | void Renderer::collectDataRanges() |
---|
3748 | { |
---|
3749 | for (FieldRangeHashmap::iterator itr = _scalarPointDataRange.begin(); |
---|
3750 | itr != _scalarPointDataRange.end(); ++itr) { |
---|
3751 | collectDataRanges(itr->second, itr->first.c_str(), |
---|
3752 | DataSet::POINT_DATA, -1, |
---|
3753 | _cumulativeRangeOnlyVisible); |
---|
3754 | } |
---|
3755 | for (FieldRangeHashmap::iterator itr = _scalarCellDataRange.begin(); |
---|
3756 | itr != _scalarCellDataRange.end(); ++itr) { |
---|
3757 | collectDataRanges(itr->second, itr->first.c_str(), |
---|
3758 | DataSet::CELL_DATA, -1, |
---|
3759 | _cumulativeRangeOnlyVisible); |
---|
3760 | } |
---|
3761 | for (FieldRangeHashmap::iterator itr = _vectorPointDataRange.begin(); |
---|
3762 | itr != _vectorPointDataRange.end(); ++itr) { |
---|
3763 | collectDataRanges(itr->second, itr->first.c_str(), |
---|
3764 | DataSet::POINT_DATA, -1, |
---|
3765 | _cumulativeRangeOnlyVisible); |
---|
3766 | } |
---|
3767 | for (int i = 0; i < 3; i++) { |
---|
3768 | for (FieldRangeHashmap::iterator itr = _vectorCompPointDataRange[i].begin(); |
---|
3769 | itr != _vectorCompPointDataRange[i].end(); ++itr) { |
---|
3770 | collectDataRanges(itr->second, itr->first.c_str(), |
---|
3771 | DataSet::POINT_DATA, i, |
---|
3772 | _cumulativeRangeOnlyVisible); |
---|
3773 | } |
---|
3774 | } |
---|
3775 | for (FieldRangeHashmap::iterator itr = _vectorCellDataRange.begin(); |
---|
3776 | itr != _vectorCellDataRange.end(); ++itr) { |
---|
3777 | collectDataRanges(itr->second, itr->first.c_str(), |
---|
3778 | DataSet::CELL_DATA, -1, |
---|
3779 | _cumulativeRangeOnlyVisible); |
---|
3780 | } |
---|
3781 | for (int i = 0; i < 3; i++) { |
---|
3782 | for (FieldRangeHashmap::iterator itr = _vectorCompCellDataRange[i].begin(); |
---|
3783 | itr != _vectorCompCellDataRange[i].end(); ++itr) { |
---|
3784 | collectDataRanges(itr->second, itr->first.c_str(), |
---|
3785 | DataSet::CELL_DATA, i, |
---|
3786 | _cumulativeRangeOnlyVisible); |
---|
3787 | } |
---|
3788 | } |
---|
3789 | } |
---|
3790 | |
---|
3791 | /** |
---|
3792 | * \brief Determines if AABB lies in a principal axis plane |
---|
3793 | * and if so, returns the plane normal |
---|
3794 | */ |
---|
3795 | bool Renderer::is2D(const double bounds[6], |
---|
3796 | PrincipalPlane *plane, |
---|
3797 | double *offset) const |
---|
3798 | { |
---|
3799 | if (bounds[4] == bounds[5]) { |
---|
3800 | // Z = 0, XY plane |
---|
3801 | if (plane) |
---|
3802 | *plane = PLANE_XY; |
---|
3803 | if (offset) |
---|
3804 | *offset = bounds[4]; |
---|
3805 | return true; |
---|
3806 | } else if (bounds[0] == bounds[1]) { |
---|
3807 | // X = 0, ZY plane |
---|
3808 | if (plane) |
---|
3809 | *plane = PLANE_ZY; |
---|
3810 | if (offset) |
---|
3811 | *offset = bounds[0]; |
---|
3812 | return true; |
---|
3813 | } else if (bounds[2] == bounds[3]) { |
---|
3814 | // Y = 0, XZ plane |
---|
3815 | if (plane) |
---|
3816 | *plane = PLANE_XZ; |
---|
3817 | if (offset) |
---|
3818 | *offset = bounds[2]; |
---|
3819 | return true; |
---|
3820 | } |
---|
3821 | *plane = PLANE_XY; |
---|
3822 | *offset = 0; |
---|
3823 | return false; |
---|
3824 | } |
---|
3825 | |
---|
3826 | int Renderer::addLight(float pos[3]) |
---|
3827 | { |
---|
3828 | vtkSmartPointer<vtkLight> light = vtkSmartPointer<vtkLight>::New(); |
---|
3829 | light->SetLightTypeToCameraLight(); |
---|
3830 | light->SetPosition(pos[0], pos[1], pos[2]); |
---|
3831 | light->SetFocalPoint(0, 0, 0); |
---|
3832 | light->PositionalOff(); |
---|
3833 | _renderer->AddLight(light); |
---|
3834 | _needsRedraw = true; |
---|
3835 | return (_renderer->GetLights()->GetNumberOfItems()-1); |
---|
3836 | } |
---|
3837 | |
---|
3838 | vtkLight *Renderer::getLight(int lightIdx) |
---|
3839 | { |
---|
3840 | vtkLightCollection *lights = _renderer->GetLights(); |
---|
3841 | if (lights->GetNumberOfItems() < lightIdx+1) |
---|
3842 | return NULL; |
---|
3843 | lights->InitTraversal(); |
---|
3844 | vtkLight *light = NULL; |
---|
3845 | int i = 0; |
---|
3846 | do { |
---|
3847 | light = lights->GetNextItem(); |
---|
3848 | } while (i++ < lightIdx); |
---|
3849 | return light; |
---|
3850 | } |
---|
3851 | |
---|
3852 | void Renderer::setLightSwitch(int lightIdx, bool state) |
---|
3853 | { |
---|
3854 | vtkLight *light = getLight(lightIdx); |
---|
3855 | if (light == NULL) { |
---|
3856 | ERROR("Unknown light %d", lightIdx); |
---|
3857 | return; |
---|
3858 | } |
---|
3859 | light->SetSwitch((state ? 1 : 0)); |
---|
3860 | _needsRedraw = true; |
---|
3861 | } |
---|
3862 | |
---|
3863 | /** |
---|
3864 | * \brief Initialize the camera zoom region to include the bounding volume given |
---|
3865 | */ |
---|
3866 | void Renderer::initCamera(bool initCameraMode) |
---|
3867 | { |
---|
3868 | #ifdef WANT_TRACE |
---|
3869 | switch (_cameraMode) { |
---|
3870 | case IMAGE: |
---|
3871 | TRACE("Image camera"); |
---|
3872 | break; |
---|
3873 | case ORTHO: |
---|
3874 | TRACE("Ortho camera"); |
---|
3875 | break; |
---|
3876 | case PERSPECTIVE: |
---|
3877 | TRACE("Perspective camera"); |
---|
3878 | break; |
---|
3879 | default: |
---|
3880 | TRACE("Unknown camera mode"); |
---|
3881 | } |
---|
3882 | #endif |
---|
3883 | // Clear user requested zoom region |
---|
3884 | _userImgWorldOrigin[0] = 0; |
---|
3885 | _userImgWorldOrigin[1] = 0; |
---|
3886 | _userImgWorldDims[0] = -1; |
---|
3887 | _userImgWorldDims[1] = -1; |
---|
3888 | |
---|
3889 | double bounds[6]; |
---|
3890 | collectBounds(bounds, false); |
---|
3891 | bool twod = is2D(bounds, &_imgCameraPlane, &_imgCameraOffset); |
---|
3892 | if (twod) { |
---|
3893 | if (initCameraMode) { |
---|
3894 | TRACE("Changing camera mode to image"); |
---|
3895 | _cameraMode = IMAGE; |
---|
3896 | } |
---|
3897 | if (_imgCameraPlane == PLANE_ZY) { |
---|
3898 | _imgWorldOrigin[0] = bounds[4]; |
---|
3899 | _imgWorldOrigin[1] = bounds[2]; |
---|
3900 | _imgWorldDims[0] = bounds[5] - bounds[4]; |
---|
3901 | _imgWorldDims[1] = bounds[3] - bounds[2]; |
---|
3902 | } else if (_imgCameraPlane == PLANE_XZ) { |
---|
3903 | _imgWorldOrigin[0] = bounds[0]; |
---|
3904 | _imgWorldOrigin[1] = bounds[4]; |
---|
3905 | _imgWorldDims[0] = bounds[1] - bounds[0]; |
---|
3906 | _imgWorldDims[1] = bounds[5] - bounds[4]; |
---|
3907 | } else { |
---|
3908 | _imgWorldOrigin[0] = bounds[0]; |
---|
3909 | _imgWorldOrigin[1] = bounds[2]; |
---|
3910 | _imgWorldDims[0] = bounds[1] - bounds[0]; |
---|
3911 | _imgWorldDims[1] = bounds[3] - bounds[2]; |
---|
3912 | } |
---|
3913 | } else { |
---|
3914 | _imgWorldOrigin[0] = bounds[0]; |
---|
3915 | _imgWorldOrigin[1] = bounds[2]; |
---|
3916 | _imgWorldDims[0] = bounds[1] - bounds[0]; |
---|
3917 | _imgWorldDims[1] = bounds[3] - bounds[2]; |
---|
3918 | } |
---|
3919 | |
---|
3920 | _cameraPan[0] = 0; |
---|
3921 | _cameraPan[1] = 0; |
---|
3922 | _cameraZoomRatio = 1; |
---|
3923 | |
---|
3924 | switch (_cameraMode) { |
---|
3925 | case IMAGE: |
---|
3926 | //_renderer->ResetCamera(bounds); |
---|
3927 | _setCameraZoomRegion(_imgWorldOrigin[0], _imgWorldOrigin[1], |
---|
3928 | _imgWorldDims[0], _imgWorldDims[1]); |
---|
3929 | resetAxes(bounds); |
---|
3930 | break; |
---|
3931 | case ORTHO: |
---|
3932 | _renderer->GetActiveCamera()->ParallelProjectionOn(); |
---|
3933 | resetAxes(bounds); |
---|
3934 | //_renderer->ResetCamera(bounds); |
---|
3935 | resetVtkCamera(); |
---|
3936 | //computeScreenWorldCoords(); |
---|
3937 | break; |
---|
3938 | case PERSPECTIVE: |
---|
3939 | _renderer->GetActiveCamera()->ParallelProjectionOff(); |
---|
3940 | resetAxes(bounds); |
---|
3941 | //_renderer->ResetCamera(bounds); |
---|
3942 | resetVtkCamera(); |
---|
3943 | //computeScreenWorldCoords(); |
---|
3944 | break; |
---|
3945 | default: |
---|
3946 | ERROR("Unknown camera mode"); |
---|
3947 | } |
---|
3948 | |
---|
3949 | #ifdef WANT_TRACE |
---|
3950 | printCameraInfo(_renderer->GetActiveCamera()); |
---|
3951 | #endif |
---|
3952 | } |
---|
3953 | |
---|
3954 | #if 0 |
---|
3955 | /** |
---|
3956 | * \brief Print debugging info about a vtkCamera |
---|
3957 | */ |
---|
3958 | void Renderer::printCameraInfo(vtkCamera *camera) |
---|
3959 | { |
---|
3960 | TRACE("pscale: %g, angle: %g, d: %g pos: %g %g %g, fpt: %g %g %g, vup: %g %g %g, clip: %g %g", |
---|
3961 | camera->GetParallelScale(), |
---|
3962 | camera->GetViewAngle(), |
---|
3963 | camera->GetDistance(), |
---|
3964 | camera->GetPosition()[0], |
---|
3965 | camera->GetPosition()[1], |
---|
3966 | camera->GetPosition()[2], |
---|
3967 | camera->GetFocalPoint()[0], |
---|
3968 | camera->GetFocalPoint()[1], |
---|
3969 | camera->GetFocalPoint()[2], |
---|
3970 | camera->GetViewUp()[0], |
---|
3971 | camera->GetViewUp()[1], |
---|
3972 | camera->GetViewUp()[2], |
---|
3973 | camera->GetClippingRange()[0], |
---|
3974 | camera->GetClippingRange()[1]); |
---|
3975 | } |
---|
3976 | #endif |
---|
3977 | |
---|
3978 | /** |
---|
3979 | * \brief Set the RGB background color to render into the image |
---|
3980 | */ |
---|
3981 | void Renderer::setBackgroundColor(float color[3]) |
---|
3982 | { |
---|
3983 | _bgColor[0] = color[0]; |
---|
3984 | _bgColor[1] = color[1]; |
---|
3985 | _bgColor[2] = color[2]; |
---|
3986 | _renderer->SetBackground(_bgColor[0], _bgColor[1], _bgColor[2]); |
---|
3987 | _needsRedraw = true; |
---|
3988 | } |
---|
3989 | |
---|
3990 | /** |
---|
3991 | * \brief Set the opacity of the specified DataSet's associated graphics objects |
---|
3992 | */ |
---|
3993 | void Renderer::setDataSetOpacity(const DataSetId& id, double opacity) |
---|
3994 | { |
---|
3995 | DataSetHashmap::iterator itr; |
---|
3996 | |
---|
3997 | bool doAll = false; |
---|
3998 | |
---|
3999 | if (id.compare("all") == 0) { |
---|
4000 | itr = _dataSets.begin(); |
---|
4001 | if (itr == _dataSets.end()) |
---|
4002 | return; |
---|
4003 | doAll = true; |
---|
4004 | } else { |
---|
4005 | itr = _dataSets.find(id); |
---|
4006 | } |
---|
4007 | if (itr == _dataSets.end()) { |
---|
4008 | ERROR("Unknown dataset %s", id.c_str()); |
---|
4009 | return; |
---|
4010 | } |
---|
4011 | |
---|
4012 | do { |
---|
4013 | itr->second->setOpacity(opacity); |
---|
4014 | } while (doAll && ++itr != _dataSets.end()); |
---|
4015 | |
---|
4016 | if (id.compare("all") == 0 || getGraphicsObject<Contour2D>(id) != NULL) |
---|
4017 | setGraphicsObjectOpacity<Contour2D>(id, opacity); |
---|
4018 | if (id.compare("all") == 0 || getGraphicsObject<Contour3D>(id) != NULL) |
---|
4019 | setGraphicsObjectOpacity<Contour3D>(id, opacity); |
---|
4020 | if (id.compare("all") == 0 || getGraphicsObject<Cutplane>(id) != NULL) |
---|
4021 | setGraphicsObjectOpacity<Cutplane>(id, opacity); |
---|
4022 | if (id.compare("all") == 0 || getGraphicsObject<Glyphs>(id) != NULL) |
---|
4023 | setGraphicsObjectOpacity<Glyphs>(id, opacity); |
---|
4024 | if (id.compare("all") == 0 || getGraphicsObject<HeightMap>(id) != NULL) |
---|
4025 | setGraphicsObjectOpacity<HeightMap>(id, opacity); |
---|
4026 | if (id.compare("all") == 0 || getGraphicsObject<LIC>(id) != NULL) |
---|
4027 | setGraphicsObjectOpacity<LIC>(id, opacity); |
---|
4028 | if (id.compare("all") == 0 || getGraphicsObject<Molecule>(id) != NULL) |
---|
4029 | setGraphicsObjectOpacity<Molecule>(id, opacity); |
---|
4030 | if (id.compare("all") == 0 || getGraphicsObject<Outline>(id) != NULL) |
---|
4031 | setGraphicsObjectOpacity<Outline>(id, opacity); |
---|
4032 | if (id.compare("all") == 0 || getGraphicsObject<PolyData>(id) != NULL) |
---|
4033 | setGraphicsObjectOpacity<PolyData>(id, opacity); |
---|
4034 | if (id.compare("all") == 0 || getGraphicsObject<PseudoColor>(id) != NULL) |
---|
4035 | setGraphicsObjectOpacity<PseudoColor>(id, opacity); |
---|
4036 | if (id.compare("all") == 0 || getGraphicsObject<Streamlines>(id) != NULL) |
---|
4037 | setGraphicsObjectOpacity<Streamlines>(id, opacity); |
---|
4038 | if (id.compare("all") == 0 || getGraphicsObject<Volume>(id) != NULL) |
---|
4039 | setGraphicsObjectOpacity<Volume>(id, opacity); |
---|
4040 | if (id.compare("all") == 0 || getGraphicsObject<Warp>(id) != NULL) |
---|
4041 | setGraphicsObjectOpacity<Warp>(id, opacity); |
---|
4042 | |
---|
4043 | _needsRedraw = true; |
---|
4044 | } |
---|
4045 | |
---|
4046 | /** |
---|
4047 | * \brief Turn on/off rendering of the specified DataSet's associated graphics objects |
---|
4048 | */ |
---|
4049 | void Renderer::setDataSetVisibility(const DataSetId& id, bool state) |
---|
4050 | { |
---|
4051 | DataSetHashmap::iterator itr; |
---|
4052 | |
---|
4053 | bool doAll = false; |
---|
4054 | |
---|
4055 | if (id.compare("all") == 0) { |
---|
4056 | itr = _dataSets.begin(); |
---|
4057 | doAll = true; |
---|
4058 | if (itr == _dataSets.end()) |
---|
4059 | return; |
---|
4060 | } else { |
---|
4061 | itr = _dataSets.find(id); |
---|
4062 | } |
---|
4063 | if (itr == _dataSets.end()) { |
---|
4064 | ERROR("Unknown dataset %s", id.c_str()); |
---|
4065 | return; |
---|
4066 | } |
---|
4067 | |
---|
4068 | do { |
---|
4069 | itr->second->setVisibility(state); |
---|
4070 | } while (doAll && ++itr != _dataSets.end()); |
---|
4071 | |
---|
4072 | if (id.compare("all") == 0 || getGraphicsObject<Contour2D>(id) != NULL) |
---|
4073 | setGraphicsObjectVisibility<Contour2D>(id, state); |
---|
4074 | if (id.compare("all") == 0 || getGraphicsObject<Contour3D>(id) != NULL) |
---|
4075 | setGraphicsObjectVisibility<Contour3D>(id, state); |
---|
4076 | if (id.compare("all") == 0 || getGraphicsObject<Cutplane>(id) != NULL) |
---|
4077 | setGraphicsObjectVisibility<Cutplane>(id, state); |
---|
4078 | if (id.compare("all") == 0 || getGraphicsObject<Glyphs>(id) != NULL) |
---|
4079 | setGraphicsObjectVisibility<Glyphs>(id, state); |
---|
4080 | if (id.compare("all") == 0 || getGraphicsObject<HeightMap>(id) != NULL) |
---|
4081 | setGraphicsObjectVisibility<HeightMap>(id, state); |
---|
4082 | if (id.compare("all") == 0 || getGraphicsObject<LIC>(id) != NULL) |
---|
4083 | setGraphicsObjectVisibility<LIC>(id, state); |
---|
4084 | if (id.compare("all") == 0 || getGraphicsObject<Molecule>(id) != NULL) |
---|
4085 | setGraphicsObjectVisibility<Molecule>(id, state); |
---|
4086 | if (id.compare("all") == 0 || getGraphicsObject<Outline>(id) != NULL) |
---|
4087 | setGraphicsObjectVisibility<Outline>(id, state); |
---|
4088 | if (id.compare("all") == 0 || getGraphicsObject<PolyData>(id) != NULL) |
---|
4089 | setGraphicsObjectVisibility<PolyData>(id, state); |
---|
4090 | if (id.compare("all") == 0 || getGraphicsObject<PseudoColor>(id) != NULL) |
---|
4091 | setGraphicsObjectVisibility<PseudoColor>(id, state); |
---|
4092 | if (id.compare("all") == 0 || getGraphicsObject<Streamlines>(id) != NULL) |
---|
4093 | setGraphicsObjectVisibility<Streamlines>(id, state); |
---|
4094 | if (id.compare("all") == 0 || getGraphicsObject<Volume>(id) != NULL) |
---|
4095 | setGraphicsObjectVisibility<Volume>(id, state); |
---|
4096 | if (id.compare("all") == 0 || getGraphicsObject<Warp>(id) != NULL) |
---|
4097 | setGraphicsObjectVisibility<Warp>(id, state); |
---|
4098 | |
---|
4099 | _needsRedraw = true; |
---|
4100 | } |
---|
4101 | |
---|
4102 | /** |
---|
4103 | * \brief Set a user clipping plane |
---|
4104 | * |
---|
4105 | * TODO: Fix clip plane positions after a change in actor bounds |
---|
4106 | */ |
---|
4107 | void Renderer::setClipPlane(Axis axis, double ratio, int direction) |
---|
4108 | { |
---|
4109 | double bounds[6]; |
---|
4110 | collectBounds(bounds, false); |
---|
4111 | |
---|
4112 | switch (axis) { |
---|
4113 | case X_AXIS: |
---|
4114 | if (direction > 0) { |
---|
4115 | if (ratio > 0.0) { |
---|
4116 | if (_userClipPlanes[0] == NULL) { |
---|
4117 | _userClipPlanes[0] = vtkSmartPointer<vtkPlane>::New(); |
---|
4118 | _userClipPlanes[0]->SetNormal(1, 0, 0); |
---|
4119 | } |
---|
4120 | _userClipPlanes[0]->SetOrigin(bounds[0] + (bounds[1]-bounds[0])*ratio, 0, 0); |
---|
4121 | } else { |
---|
4122 | _userClipPlanes[0] = NULL; |
---|
4123 | } |
---|
4124 | } else { |
---|
4125 | if (ratio < 1.0) { |
---|
4126 | if (_userClipPlanes[1] == NULL) { |
---|
4127 | _userClipPlanes[1] = vtkSmartPointer<vtkPlane>::New(); |
---|
4128 | _userClipPlanes[1]->SetNormal(-1, 0, 0); |
---|
4129 | } |
---|
4130 | _userClipPlanes[1]->SetOrigin(bounds[0] + (bounds[1]-bounds[0])*ratio, 0, 0); |
---|
4131 | } else { |
---|
4132 | _userClipPlanes[1] = NULL; |
---|
4133 | } |
---|
4134 | } |
---|
4135 | break; |
---|
4136 | case Y_AXIS: |
---|
4137 | if (direction > 0) { |
---|
4138 | if (ratio > 0.0) { |
---|
4139 | if (_userClipPlanes[2] == NULL) { |
---|
4140 | _userClipPlanes[2] = vtkSmartPointer<vtkPlane>::New(); |
---|
4141 | _userClipPlanes[2]->SetNormal(0, 1, 0); |
---|
4142 | } |
---|
4143 | _userClipPlanes[2]->SetOrigin(0, bounds[2] + (bounds[3]-bounds[2])*ratio, 0); |
---|
4144 | } else { |
---|
4145 | _userClipPlanes[2] = NULL; |
---|
4146 | } |
---|
4147 | } else { |
---|
4148 | if (ratio < 1.0) { |
---|
4149 | if (_userClipPlanes[3] == NULL) { |
---|
4150 | _userClipPlanes[3] = vtkSmartPointer<vtkPlane>::New(); |
---|
4151 | _userClipPlanes[3]->SetNormal(0, -1, 0); |
---|
4152 | } |
---|
4153 | _userClipPlanes[3]->SetOrigin(0, bounds[2] + (bounds[3]-bounds[2])*ratio, 0); |
---|
4154 | } else { |
---|
4155 | _userClipPlanes[3] = NULL; |
---|
4156 | } |
---|
4157 | } |
---|
4158 | break; |
---|
4159 | case Z_AXIS: |
---|
4160 | if (direction > 0) { |
---|
4161 | if (ratio > 0.0) { |
---|
4162 | if (_userClipPlanes[4] == NULL) { |
---|
4163 | _userClipPlanes[4] = vtkSmartPointer<vtkPlane>::New(); |
---|
4164 | _userClipPlanes[4]->SetNormal(0, 0, 1); |
---|
4165 | } |
---|
4166 | _userClipPlanes[4]->SetOrigin(0, 0, bounds[4] + (bounds[5]-bounds[4])*ratio); |
---|
4167 | } else { |
---|
4168 | _userClipPlanes[4] = NULL; |
---|
4169 | } |
---|
4170 | } else { |
---|
4171 | if (ratio < 1.0) { |
---|
4172 | if (_userClipPlanes[5] == NULL) { |
---|
4173 | _userClipPlanes[5] = vtkSmartPointer<vtkPlane>::New(); |
---|
4174 | _userClipPlanes[5]->SetNormal(0, 0, -1); |
---|
4175 | } |
---|
4176 | _userClipPlanes[5]->SetOrigin(0, 0, bounds[4] + (bounds[5]-bounds[4])*ratio); |
---|
4177 | } else { |
---|
4178 | _userClipPlanes[5] = NULL; |
---|
4179 | } |
---|
4180 | } |
---|
4181 | break; |
---|
4182 | default: |
---|
4183 | ; |
---|
4184 | } |
---|
4185 | |
---|
4186 | _needsRedraw = true; |
---|
4187 | } |
---|
4188 | |
---|
4189 | /** |
---|
4190 | * \brief Set up clipping planes for image camera mode if needed |
---|
4191 | */ |
---|
4192 | void Renderer::setCameraClippingPlanes() |
---|
4193 | { |
---|
4194 | /* XXX: Note that there appears to be a bug with setting the |
---|
4195 | * clipping plane collection to NULL in the VTK Mappers -- |
---|
4196 | * the old clip planes are still applied. The workaround here |
---|
4197 | * is to keep the PlaneCollection and add/remove the planes |
---|
4198 | * to/from the PlaneCollection as needed. |
---|
4199 | */ |
---|
4200 | if (_cameraMode == IMAGE) { |
---|
4201 | if (_activeClipPlanes->GetNumberOfItems() == 0) { |
---|
4202 | for (int i = 0; i < 4; i++) |
---|
4203 | _activeClipPlanes->AddItem(_cameraClipPlanes[i]); |
---|
4204 | } |
---|
4205 | } else { |
---|
4206 | if (_activeClipPlanes->GetNumberOfItems() > 0) |
---|
4207 | _activeClipPlanes->RemoveAllItems(); |
---|
4208 | for (int i = 0; i < 6; i++) { |
---|
4209 | if (_userClipPlanes[i] != NULL) { |
---|
4210 | _activeClipPlanes->AddItem(_userClipPlanes[i]); |
---|
4211 | } |
---|
4212 | } |
---|
4213 | } |
---|
4214 | |
---|
4215 | /* Ensure all Mappers are using the PlaneCollection |
---|
4216 | * This will not change the state or timestamp of |
---|
4217 | * Mappers already using the PlaneCollection |
---|
4218 | */ |
---|
4219 | setGraphicsObjectClippingPlanes<Arc>(_activeClipPlanes); |
---|
4220 | setGraphicsObjectClippingPlanes<Arrow>(_activeClipPlanes); |
---|
4221 | setGraphicsObjectClippingPlanes<Box>(_activeClipPlanes); |
---|
4222 | setGraphicsObjectClippingPlanes<Cone>(_activeClipPlanes); |
---|
4223 | setGraphicsObjectClippingPlanes<Contour2D>(_activeClipPlanes); |
---|
4224 | setGraphicsObjectClippingPlanes<Contour3D>(_activeClipPlanes); |
---|
4225 | setGraphicsObjectClippingPlanes<Cutplane>(_activeClipPlanes); |
---|
4226 | setGraphicsObjectClippingPlanes<Cylinder>(_activeClipPlanes); |
---|
4227 | setGraphicsObjectClippingPlanes<Disk>(_activeClipPlanes); |
---|
4228 | setGraphicsObjectClippingPlanes<Glyphs>(_activeClipPlanes); |
---|
4229 | setGraphicsObjectClippingPlanes<Group>(_activeClipPlanes); |
---|
4230 | setGraphicsObjectClippingPlanes<HeightMap>(_activeClipPlanes); |
---|
4231 | setGraphicsObjectClippingPlanes<LIC>(_activeClipPlanes); |
---|
4232 | setGraphicsObjectClippingPlanes<Line>(_activeClipPlanes); |
---|
4233 | setGraphicsObjectClippingPlanes<Molecule>(_activeClipPlanes); |
---|
4234 | setGraphicsObjectClippingPlanes<Outline>(_activeClipPlanes); |
---|
4235 | setGraphicsObjectClippingPlanes<PolyData>(_activeClipPlanes); |
---|
4236 | setGraphicsObjectClippingPlanes<Polygon>(_activeClipPlanes); |
---|
4237 | setGraphicsObjectClippingPlanes<PseudoColor>(_activeClipPlanes); |
---|
4238 | setGraphicsObjectClippingPlanes<Sphere>(_activeClipPlanes); |
---|
4239 | setGraphicsObjectClippingPlanes<Streamlines>(_activeClipPlanes); |
---|
4240 | setGraphicsObjectClippingPlanes<Volume>(_activeClipPlanes); |
---|
4241 | setGraphicsObjectClippingPlanes<Warp>(_activeClipPlanes); |
---|
4242 | } |
---|
4243 | |
---|
4244 | /** |
---|
4245 | * \brief Control the use of two sided lighting |
---|
4246 | */ |
---|
4247 | void Renderer::setUseTwoSidedLighting(bool state) |
---|
4248 | { |
---|
4249 | _renderer->SetTwoSidedLighting(state ? 1 : 0); |
---|
4250 | _needsRedraw = true; |
---|
4251 | } |
---|
4252 | |
---|
4253 | /** |
---|
4254 | * \brief Control the use of the depth peeling algorithm for transparency |
---|
4255 | */ |
---|
4256 | void Renderer::setUseDepthPeeling(bool state) |
---|
4257 | { |
---|
4258 | _renderer->SetUseDepthPeeling(state ? 1 : 0); |
---|
4259 | _needsRedraw = true; |
---|
4260 | } |
---|
4261 | |
---|
4262 | /** |
---|
4263 | * \brief Sets flag to trigger rendering next time render() is called |
---|
4264 | */ |
---|
4265 | void Renderer::eventuallyRender() |
---|
4266 | { |
---|
4267 | _needsRedraw = true; |
---|
4268 | } |
---|
4269 | |
---|
4270 | /** |
---|
4271 | * \brief Cause the rendering to render a new image if needed |
---|
4272 | * |
---|
4273 | * The _needsRedraw flag indicates if a state change has occured since |
---|
4274 | * the last rendered frame |
---|
4275 | */ |
---|
4276 | bool Renderer::render() |
---|
4277 | { |
---|
4278 | TRACE("Enter: redraw: %d axesReset: %d cameraReset: %d clippingRangeReset: %d", |
---|
4279 | _needsRedraw ? 1 : 0, _needsAxesReset ? 1 : 0, _needsCameraReset ? 1 : 0, _needsCameraClippingRangeReset ? 1 : 0); |
---|
4280 | if (_needsRedraw) { |
---|
4281 | if (_needsAxesReset) { |
---|
4282 | resetAxes(); |
---|
4283 | _needsAxesReset = false; |
---|
4284 | } |
---|
4285 | if (_needsCameraReset) { |
---|
4286 | initCamera(); |
---|
4287 | _needsCameraReset = false; |
---|
4288 | _needsCameraClippingRangeReset = false; |
---|
4289 | } else if (_needsCameraClippingRangeReset && _cameraMode != IMAGE) { |
---|
4290 | resetCameraClippingRange(); |
---|
4291 | _needsCameraClippingRangeReset = false; |
---|
4292 | } |
---|
4293 | setCameraClippingPlanes(); |
---|
4294 | _renderWindow->Render(); |
---|
4295 | _needsRedraw = false; |
---|
4296 | return true; |
---|
4297 | } else |
---|
4298 | return false; |
---|
4299 | } |
---|
4300 | |
---|
4301 | /// Get the pixel width of the render window/image |
---|
4302 | int Renderer::getWindowWidth() const |
---|
4303 | { |
---|
4304 | return _windowWidth; |
---|
4305 | } |
---|
4306 | |
---|
4307 | /// Get the pixel height of the render window/image |
---|
4308 | int Renderer::getWindowHeight() const |
---|
4309 | { |
---|
4310 | return _windowHeight; |
---|
4311 | } |
---|
4312 | |
---|
4313 | /** |
---|
4314 | * \brief Read back the rendered framebuffer image |
---|
4315 | */ |
---|
4316 | void Renderer::getRenderedFrame(vtkUnsignedCharArray *imgData) |
---|
4317 | { |
---|
4318 | #ifdef RENDER_TARGA |
---|
4319 | _renderWindow->MakeCurrent(); |
---|
4320 | // Must clear previous errors first. |
---|
4321 | while (glGetError() != GL_NO_ERROR){ |
---|
4322 | ; |
---|
4323 | } |
---|
4324 | int bytesPerPixel = TARGA_BYTES_PER_PIXEL; |
---|
4325 | int size = bytesPerPixel * _windowWidth * _windowHeight; |
---|
4326 | |
---|
4327 | if (imgData->GetMaxId() + 1 != size) |
---|
4328 | { |
---|
4329 | imgData->SetNumberOfComponents(bytesPerPixel); |
---|
4330 | imgData->SetNumberOfValues(size); |
---|
4331 | } |
---|
4332 | glDisable(GL_TEXTURE_2D); |
---|
4333 | if (_renderWindow->GetDoubleBuffer()) { |
---|
4334 | glReadBuffer(static_cast<GLenum>(vtkOpenGLRenderWindow::SafeDownCast(_renderWindow)->GetBackLeftBuffer())); |
---|
4335 | } else { |
---|
4336 | glReadBuffer(static_cast<GLenum>(vtkOpenGLRenderWindow::SafeDownCast(_renderWindow)->GetFrontLeftBuffer())); |
---|
4337 | } |
---|
4338 | glPixelStorei(GL_PACK_ALIGNMENT, 1); |
---|
4339 | #ifdef WANT_TRACE |
---|
4340 | struct timeval t1, t2; |
---|
4341 | glFinish(); |
---|
4342 | gettimeofday(&t1, 0); |
---|
4343 | #endif |
---|
4344 | if (bytesPerPixel == 4) { |
---|
4345 | glReadPixels(0, 0, _windowWidth, _windowHeight, GL_BGRA, |
---|
4346 | GL_UNSIGNED_BYTE, imgData->GetPointer(0)); |
---|
4347 | } else { |
---|
4348 | glReadPixels(0, 0, _windowWidth, _windowHeight, GL_BGR, |
---|
4349 | GL_UNSIGNED_BYTE, imgData->GetPointer(0)); |
---|
4350 | } |
---|
4351 | #ifdef WANT_TRACE |
---|
4352 | gettimeofday(&t2, 0); |
---|
4353 | static unsigned int numFrames = 0; |
---|
4354 | static double accum = 0; |
---|
4355 | numFrames++; |
---|
4356 | accum += MSECS_ELAPSED(t1, t2); |
---|
4357 | #endif |
---|
4358 | TRACE("Readback time: %g ms", MSECS_ELAPSED(t1, t2)); |
---|
4359 | TRACE("Readback avg: %g ms", accum/numFrames); |
---|
4360 | if (glGetError() != GL_NO_ERROR) { |
---|
4361 | ERROR("glReadPixels"); |
---|
4362 | } |
---|
4363 | #else |
---|
4364 | _renderWindow->GetPixelData(0, 0, _windowWidth-1, _windowHeight-1, |
---|
4365 | !_renderWindow->GetDoubleBuffer(), imgData); |
---|
4366 | #endif |
---|
4367 | TRACE("Image data size: %d", imgData->GetSize()); |
---|
4368 | } |
---|
4369 | |
---|
4370 | /** |
---|
4371 | * \brief Get nearest data value given display coordinates x,y |
---|
4372 | * |
---|
4373 | * FIXME: This doesn't work when actors are scaled |
---|
4374 | * |
---|
4375 | * Note: no interpolation is performed on data |
---|
4376 | */ |
---|
4377 | bool Renderer::getScalarValueAtPixel(const DataSetId& id, int x, int y, double *value) |
---|
4378 | { |
---|
4379 | vtkSmartPointer<vtkCoordinate> coord = vtkSmartPointer<vtkCoordinate>::New(); |
---|
4380 | coord->SetCoordinateSystemToDisplay(); |
---|
4381 | coord->SetValue(x, _windowHeight - y, 0); |
---|
4382 | double *worldCoords = coord->GetComputedWorldValue(_renderer); |
---|
4383 | |
---|
4384 | TRACE("Pixel coords: %d, %d\nWorld coords: %g, %g, %g", x, y, |
---|
4385 | worldCoords[0], |
---|
4386 | worldCoords[1], |
---|
4387 | worldCoords[2]); |
---|
4388 | |
---|
4389 | return getScalarValue(id, worldCoords[0], worldCoords[1], worldCoords[2], value); |
---|
4390 | } |
---|
4391 | |
---|
4392 | /** |
---|
4393 | * \brief Get nearest data value given world coordinates x,y,z |
---|
4394 | * |
---|
4395 | * Note: no interpolation is performed on data |
---|
4396 | */ |
---|
4397 | bool Renderer::getScalarValue(const DataSetId& id, double x, double y, double z, double *value) |
---|
4398 | { |
---|
4399 | DataSet *ds = getDataSet(id); |
---|
4400 | if (ds == NULL) |
---|
4401 | return false; |
---|
4402 | |
---|
4403 | return ds->getScalarValue(x, y, z, value); |
---|
4404 | } |
---|
4405 | |
---|
4406 | /** |
---|
4407 | * \brief Get nearest data value given display coordinates x,y |
---|
4408 | * |
---|
4409 | * Note: no interpolation is performed on data |
---|
4410 | */ |
---|
4411 | bool Renderer::getVectorValueAtPixel(const DataSetId& id, int x, int y, double vector[3]) |
---|
4412 | { |
---|
4413 | vtkSmartPointer<vtkCoordinate> coord = vtkSmartPointer<vtkCoordinate>::New(); |
---|
4414 | coord->SetCoordinateSystemToDisplay(); |
---|
4415 | coord->SetValue(x, _windowHeight - y, 0); |
---|
4416 | double *worldCoords = coord->GetComputedWorldValue(_renderer); |
---|
4417 | |
---|
4418 | TRACE("Pixel coords: %d, %d\nWorld coords: %g, %g, %g", x, y, |
---|
4419 | worldCoords[0], |
---|
4420 | worldCoords[1], |
---|
4421 | worldCoords[2]); |
---|
4422 | |
---|
4423 | return getVectorValue(id, worldCoords[0], worldCoords[1], worldCoords[2], vector); |
---|
4424 | } |
---|
4425 | |
---|
4426 | /** |
---|
4427 | * \brief Get nearest data value given world coordinates x,y,z |
---|
4428 | * |
---|
4429 | * Note: no interpolation is performed on data |
---|
4430 | */ |
---|
4431 | bool Renderer::getVectorValue(const DataSetId& id, double x, double y, double z, double vector[3]) |
---|
4432 | { |
---|
4433 | DataSet *ds = getDataSet(id); |
---|
4434 | if (ds == NULL) |
---|
4435 | return false; |
---|
4436 | |
---|
4437 | return ds->getVectorValue(x, y, z, vector); |
---|
4438 | } |
---|