1 | /* -*- mode: c++; c-basic-offset: 4; indent-tabs-mode: nil -*- */ |
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2 | /* |
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3 | * Copyright (C) 2011, Purdue Research Foundation |
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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 <vtkCoordinate.h> |
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23 | #include <vtkTransform.h> |
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24 | #include <vtkCharArray.h> |
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25 | #include <vtkAxisActor2D.h> |
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26 | #include <vtkCubeAxesActor.h> |
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27 | #ifdef USE_CUSTOM_AXES |
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28 | #include "vtkRpCubeAxesActor2D.h" |
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29 | #else |
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30 | #include <vtkCubeAxesActor2D.h> |
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31 | #endif |
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32 | #include <vtkDataSetReader.h> |
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33 | #include <vtkDataSetMapper.h> |
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34 | #include <vtkContourFilter.h> |
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35 | #include <vtkPolyDataMapper.h> |
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36 | #include <vtkProperty.h> |
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37 | #include <vtkProperty2D.h> |
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38 | #include <vtkPointData.h> |
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39 | #include <vtkLookupTable.h> |
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40 | #include <vtkTextProperty.h> |
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41 | #include <vtkOpenGLRenderWindow.h> |
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42 | #include <vtkVersion.h> |
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43 | |
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44 | #include "RpVtkRenderer.h" |
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45 | #include "RpVtkRendererGraphicsObjs.h" |
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46 | #include "RpMath.h" |
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47 | #include "ColorMap.h" |
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48 | #include "Trace.h" |
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49 | |
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50 | #define ELAPSED_TIME(t1, t2) \ |
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51 | ((t1).tv_sec == (t2).tv_sec ? (((t2).tv_usec - (t1).tv_usec)/1.0e+3f) : \ |
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52 | (((t2).tv_sec - (t1).tv_sec))*1.0e+3f + (float)((t2).tv_usec - (t1).tv_usec)/1.0e+3f) |
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53 | |
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54 | using namespace Rappture::VtkVis; |
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55 | |
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56 | Renderer::Renderer() : |
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57 | _needsRedraw(true), |
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58 | _windowWidth(500), |
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59 | _windowHeight(500), |
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60 | _imgCameraPlane(PLANE_XY), |
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61 | _imgCameraOffset(0), |
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62 | _cameraZoomRatio(1), |
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63 | _useCumulativeRange(true), |
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64 | _cumulativeRangeOnlyVisible(false), |
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65 | _cameraMode(PERSPECTIVE) |
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66 | { |
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67 | _bgColor[0] = 0; |
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68 | _bgColor[1] = 0; |
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69 | _bgColor[2] = 0; |
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70 | _cameraPan[0] = 0; |
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71 | _cameraPan[1] = 0; |
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72 | _cameraOrientation[0] = 1.0; |
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73 | _cameraOrientation[1] = 0.0; |
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74 | _cameraOrientation[2] = 0.0; |
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75 | _cameraOrientation[3] = 0.0; |
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76 | // clipping planes to prevent overdrawing axes |
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77 | _activeClipPlanes = vtkSmartPointer<vtkPlaneCollection>::New(); |
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78 | // bottom |
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79 | _cameraClipPlanes[0] = vtkSmartPointer<vtkPlane>::New(); |
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80 | _cameraClipPlanes[0]->SetNormal(0, 1, 0); |
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81 | _cameraClipPlanes[0]->SetOrigin(0, 0, 0); |
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82 | if (_cameraMode == IMAGE) |
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83 | _activeClipPlanes->AddItem(_cameraClipPlanes[0]); |
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84 | // left |
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85 | _cameraClipPlanes[1] = vtkSmartPointer<vtkPlane>::New(); |
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86 | _cameraClipPlanes[1]->SetNormal(1, 0, 0); |
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87 | _cameraClipPlanes[1]->SetOrigin(0, 0, 0); |
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88 | if (_cameraMode == IMAGE) |
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89 | _activeClipPlanes->AddItem(_cameraClipPlanes[1]); |
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90 | // top |
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91 | _cameraClipPlanes[2] = vtkSmartPointer<vtkPlane>::New(); |
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92 | _cameraClipPlanes[2]->SetNormal(0, -1, 0); |
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93 | _cameraClipPlanes[2]->SetOrigin(0, 1, 0); |
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94 | if (_cameraMode == IMAGE) |
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95 | _activeClipPlanes->AddItem(_cameraClipPlanes[2]); |
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96 | // right |
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97 | _cameraClipPlanes[3] = vtkSmartPointer<vtkPlane>::New(); |
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98 | _cameraClipPlanes[3]->SetNormal(-1, 0, 0); |
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99 | _cameraClipPlanes[3]->SetOrigin(1, 0, 0); |
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100 | if (_cameraMode == IMAGE) |
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101 | _activeClipPlanes->AddItem(_cameraClipPlanes[3]); |
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102 | _renderer = vtkSmartPointer<vtkRenderer>::New(); |
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103 | vtkSmartPointer<vtkLight> headlight = vtkSmartPointer<vtkLight>::New(); |
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104 | headlight->SetLightTypeToHeadlight(); |
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105 | headlight->PositionalOff(); |
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106 | //headlight->SetAmbientColor(1, 1, 1); |
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107 | _renderer->SetAmbient(.2, .2, .2); |
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108 | _renderer->AddLight(headlight); |
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109 | vtkSmartPointer<vtkLight> skylight = vtkSmartPointer<vtkLight>::New(); |
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110 | skylight->SetLightTypeToCameraLight(); |
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111 | skylight->SetPosition(0, 1, 0); |
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112 | skylight->SetFocalPoint(0, 0, 0); |
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113 | skylight->PositionalOff(); |
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114 | //skylight->SetAmbientColor(1, 1, 1); |
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115 | _renderer->AddLight(skylight); |
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116 | _renderer->LightFollowCameraOn(); |
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117 | _renderWindow = vtkSmartPointer<vtkRenderWindow>::New(); |
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118 | #ifdef USE_OFFSCREEN_RENDERING |
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119 | _renderWindow->DoubleBufferOff(); |
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120 | _renderWindow->OffScreenRenderingOn(); |
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121 | #else |
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122 | _renderWindow->SwapBuffersOff(); |
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123 | #endif |
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124 | _renderWindow->SetSize(_windowWidth, _windowHeight); |
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125 | // Next 2 options needed to support depth peeling |
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126 | _renderWindow->SetAlphaBitPlanes(1); |
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127 | _renderWindow->SetMultiSamples(0); |
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128 | _renderer->SetMaximumNumberOfPeels(100); |
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129 | _renderer->SetUseDepthPeeling(1); |
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130 | _renderWindow->AddRenderer(_renderer); |
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131 | setViewAngle(_windowHeight); |
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132 | initAxes(); |
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133 | initCamera(); |
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134 | addColorMap("default", ColorMap::getDefault()); |
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135 | addColorMap("grayDefault", ColorMap::getGrayDefault()); |
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136 | addColorMap("volumeDefault", ColorMap::getVolumeDefault()); |
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137 | addColorMap("elementDefault", ColorMap::getElementDefault()); |
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138 | } |
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139 | |
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140 | Renderer::~Renderer() |
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141 | { |
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142 | TRACE("Enter"); |
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143 | TRACE("Deleting Contour2Ds"); |
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144 | for (Contour2DHashmap::iterator itr = _contour2Ds.begin(); |
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145 | itr != _contour2Ds.end(); ++itr) { |
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146 | delete itr->second; |
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147 | } |
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148 | _contour2Ds.clear(); |
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149 | TRACE("Deleting Contour3Ds"); |
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150 | for (Contour3DHashmap::iterator itr = _contour3Ds.begin(); |
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151 | itr != _contour3Ds.end(); ++itr) { |
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152 | delete itr->second; |
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153 | } |
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154 | _contour3Ds.clear(); |
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155 | TRACE("Deleting Cutplanes"); |
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156 | for (CutplaneHashmap::iterator itr = _cutplanes.begin(); |
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157 | itr != _cutplanes.end(); ++itr) { |
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158 | delete itr->second; |
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159 | } |
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160 | _cutplanes.clear(); |
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161 | TRACE("Deleting Glyphs"); |
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162 | for (GlyphsHashmap::iterator itr = _glyphs.begin(); |
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163 | itr != _glyphs.end(); ++itr) { |
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164 | delete itr->second; |
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165 | } |
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166 | _glyphs.clear(); |
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167 | TRACE("Deleting HeightMaps"); |
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168 | for (HeightMapHashmap::iterator itr = _heightMaps.begin(); |
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169 | itr != _heightMaps.end(); ++itr) { |
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170 | delete itr->second; |
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171 | } |
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172 | _heightMaps.clear(); |
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173 | TRACE("Deleting LICs"); |
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174 | for (LICHashmap::iterator itr = _lics.begin(); |
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175 | itr != _lics.end(); ++itr) { |
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176 | delete itr->second; |
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177 | } |
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178 | _lics.clear(); |
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179 | TRACE("Deleting Molecules"); |
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180 | for (MoleculeHashmap::iterator itr = _molecules.begin(); |
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181 | itr != _molecules.end(); ++itr) { |
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182 | delete itr->second; |
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183 | } |
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184 | _molecules.clear(); |
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185 | TRACE("Deleting PolyDatas"); |
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186 | for (PolyDataHashmap::iterator itr = _polyDatas.begin(); |
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187 | itr != _polyDatas.end(); ++itr) { |
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188 | delete itr->second; |
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189 | } |
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190 | _polyDatas.clear(); |
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191 | TRACE("Deleting PseudoColors"); |
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192 | for (PseudoColorHashmap::iterator itr = _pseudoColors.begin(); |
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193 | itr != _pseudoColors.end(); ++itr) { |
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194 | delete itr->second; |
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195 | } |
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196 | _pseudoColors.clear(); |
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197 | TRACE("Deleting Streamlines"); |
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198 | for (StreamlinesHashmap::iterator itr = _streamlines.begin(); |
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199 | itr != _streamlines.end(); ++itr) { |
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200 | delete itr->second; |
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201 | } |
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202 | _streamlines.clear(); |
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203 | TRACE("Deleting Volumes"); |
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204 | for (VolumeHashmap::iterator itr = _volumes.begin(); |
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205 | itr != _volumes.end(); ++itr) { |
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206 | delete itr->second; |
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207 | } |
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208 | _volumes.clear(); |
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209 | TRACE("Deleting ColorMaps"); |
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210 | // Delete color maps and data sets last in case references still |
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211 | // exist |
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212 | for (ColorMapHashmap::iterator itr = _colorMaps.begin(); |
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213 | itr != _colorMaps.end(); ++itr) { |
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214 | delete itr->second; |
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215 | } |
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216 | _colorMaps.clear(); |
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217 | TRACE("Deleting DataSets"); |
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218 | for (DataSetHashmap::iterator itr = _dataSets.begin(); |
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219 | itr != _dataSets.end(); ++itr) { |
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220 | delete itr->second; |
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221 | } |
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222 | _dataSets.clear(); |
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223 | |
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224 | clearFieldRanges(); |
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225 | |
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226 | TRACE("Leave"); |
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227 | } |
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228 | |
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229 | /** |
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230 | * \brief Add a DataSet to this Renderer |
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231 | * |
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232 | * This just adds the DataSet to the Renderer's list of data sets. |
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233 | * In order to render the data, a graphics object using the data |
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234 | * set must be added to the Renderer. |
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235 | */ |
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236 | void Renderer::addDataSet(const DataSetId& id) |
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237 | { |
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238 | if (getDataSet(id) != NULL) { |
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239 | WARN("Replacing existing DataSet %s", id.c_str()); |
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240 | deleteDataSet(id); |
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241 | } |
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242 | _dataSets[id] = new DataSet(id); |
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243 | } |
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244 | |
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245 | /** |
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246 | * \brief Remove the specified DataSet and associated rendering objects |
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247 | * |
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248 | * The underlying DataSet and any associated graphics |
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249 | * objects are deleted, freeing the memory used. |
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250 | */ |
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251 | void Renderer::deleteDataSet(const DataSetId& id) |
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252 | { |
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253 | DataSetHashmap::iterator itr; |
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254 | |
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255 | bool doAll = false; |
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256 | |
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257 | if (id.compare("all") == 0) { |
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258 | itr = _dataSets.begin(); |
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259 | doAll = true; |
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260 | } else { |
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261 | itr = _dataSets.find(id); |
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262 | } |
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263 | if (itr == _dataSets.end()) { |
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264 | ERROR("Unknown dataset %s", id.c_str()); |
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265 | return; |
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266 | } |
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267 | |
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268 | do { |
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269 | TRACE("Deleting dataset %s", itr->second->getName().c_str()); |
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270 | |
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271 | deleteGraphicsObject<Contour2D>(itr->second->getName()); |
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272 | deleteGraphicsObject<Contour3D>(itr->second->getName()); |
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273 | deleteGraphicsObject<Cutplane>(itr->second->getName()); |
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274 | deleteGraphicsObject<Glyphs>(itr->second->getName()); |
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275 | deleteGraphicsObject<HeightMap>(itr->second->getName()); |
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276 | deleteGraphicsObject<LIC>(itr->second->getName()); |
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277 | deleteGraphicsObject<Molecule>(itr->second->getName()); |
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278 | deleteGraphicsObject<PolyData>(itr->second->getName()); |
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279 | deleteGraphicsObject<PseudoColor>(itr->second->getName()); |
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280 | deleteGraphicsObject<Streamlines>(itr->second->getName()); |
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281 | deleteGraphicsObject<Volume>(itr->second->getName()); |
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282 | |
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283 | if (itr->second->getProp() != NULL) { |
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284 | _renderer->RemoveViewProp(itr->second->getProp()); |
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285 | } |
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286 | |
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287 | TRACE("After deleting graphics objects"); |
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288 | |
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289 | delete itr->second; |
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290 | itr = _dataSets.erase(itr); |
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291 | } while (doAll && itr != _dataSets.end()); |
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292 | |
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293 | // Update cumulative data range |
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294 | initFieldRanges(); |
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295 | updateFieldRanges(); |
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296 | |
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297 | initCamera(); |
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298 | _needsRedraw = true; |
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299 | } |
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300 | |
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301 | /** |
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302 | * \brief Get a list of DataSets this Renderer knows about |
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303 | */ |
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304 | void Renderer::getDataSetNames(std::vector<std::string>& names) |
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305 | { |
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306 | names.clear(); |
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307 | for (DataSetHashmap::iterator itr = _dataSets.begin(); |
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308 | itr != _dataSets.end(); ++itr) { |
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309 | names.push_back(itr->second->getName()); |
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310 | } |
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311 | } |
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312 | |
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313 | /** |
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314 | * \brief Find the DataSet for the given DataSetId key |
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315 | * |
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316 | * \return A pointer to the DataSet, or NULL if not found |
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317 | */ |
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318 | DataSet *Renderer::getDataSet(const DataSetId& id) |
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319 | { |
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320 | DataSetHashmap::iterator itr = _dataSets.find(id); |
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321 | if (itr == _dataSets.end()) { |
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322 | #ifdef DEBUG |
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323 | TRACE("DataSet not found: %s", id.c_str()); |
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324 | #endif |
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325 | return NULL; |
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326 | } else |
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327 | return itr->second; |
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328 | } |
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329 | |
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330 | /** |
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331 | * \brief (Re-)load the data for the specified DataSet key from a file |
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332 | */ |
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333 | bool Renderer::setDataFile(const DataSetId& id, const char *filename) |
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334 | { |
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335 | DataSet *ds = getDataSet(id); |
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336 | if (ds) { |
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337 | bool ret = ds->setDataFile(filename); |
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338 | initFieldRanges(); |
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339 | updateFieldRanges(); |
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340 | _needsRedraw = true; |
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341 | return ret; |
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342 | } else |
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343 | return false; |
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344 | } |
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345 | |
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346 | /** |
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347 | * \brief (Re-)load the data for the specified DataSet key from a memory buffer |
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348 | */ |
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349 | bool Renderer::setData(const DataSetId& id, char *data, int nbytes) |
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350 | { |
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351 | DataSet *ds = getDataSet(id); |
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352 | if (ds) { |
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353 | bool ret = ds->setData(data, nbytes); |
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354 | initFieldRanges(); |
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355 | updateFieldRanges(); |
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356 | _needsRedraw = true; |
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357 | return ret; |
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358 | } else |
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359 | return false; |
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360 | } |
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361 | |
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362 | /** |
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363 | * \brief Set the active scalar field array by name for a DataSet |
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364 | */ |
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365 | bool Renderer::setDataSetActiveScalars(const DataSetId& id, const char *scalarName) |
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366 | { |
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367 | DataSetHashmap::iterator itr; |
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368 | |
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369 | bool doAll = false; |
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370 | |
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371 | if (id.compare("all") == 0) { |
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372 | itr = _dataSets.begin(); |
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373 | doAll = true; |
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374 | } else { |
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375 | itr = _dataSets.find(id); |
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376 | } |
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377 | if (itr == _dataSets.end()) { |
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378 | ERROR("DataSet not found: %s", id.c_str()); |
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379 | return false; |
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380 | } |
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381 | |
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382 | bool ret = true; |
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383 | bool needRangeUpdate = false; |
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384 | do { |
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385 | if (strcmp(itr->second->getActiveScalarsName(), scalarName) != 0) { |
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386 | if (!itr->second->setActiveScalars(scalarName)) { |
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387 | ret = false; |
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388 | } else { |
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389 | needRangeUpdate = true; |
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390 | } |
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391 | } |
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392 | } while (doAll && ++itr != _dataSets.end()); |
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393 | |
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394 | if (needRangeUpdate) { |
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395 | updateFieldRanges(); |
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396 | _needsRedraw = true; |
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397 | } |
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398 | |
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399 | return ret; |
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400 | } |
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401 | |
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402 | /** |
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403 | * \brief Set the active vector field array by name for a DataSet |
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404 | */ |
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405 | bool Renderer::setDataSetActiveVectors(const DataSetId& id, const char *vectorName) |
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406 | { |
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407 | DataSetHashmap::iterator itr; |
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408 | |
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409 | bool doAll = false; |
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410 | |
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411 | if (id.compare("all") == 0) { |
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412 | itr = _dataSets.begin(); |
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413 | doAll = true; |
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414 | } else { |
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415 | itr = _dataSets.find(id); |
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416 | } |
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417 | if (itr == _dataSets.end()) { |
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418 | ERROR("DataSet not found: %s", id.c_str()); |
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419 | return false; |
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420 | } |
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421 | |
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422 | bool ret = true; |
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423 | bool needRangeUpdate = false; |
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424 | do { |
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425 | if (strcmp(itr->second->getActiveVectorsName(), vectorName) != 0) { |
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426 | if (!itr->second->setActiveVectors(vectorName)) { |
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427 | ret = false; |
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428 | } else { |
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429 | needRangeUpdate = true; |
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430 | } |
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431 | } |
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432 | } while (doAll && ++itr != _dataSets.end()); |
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433 | |
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434 | if (needRangeUpdate) { |
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435 | updateFieldRanges(); |
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436 | _needsRedraw = true; |
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437 | } |
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438 | |
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439 | return ret; |
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440 | } |
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441 | |
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442 | /** |
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443 | * \brief Control whether the cumulative data range of datasets is used for |
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444 | * colormapping and contours |
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445 | */ |
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446 | void Renderer::setUseCumulativeDataRange(bool state, bool onlyVisible) |
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447 | { |
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448 | if (state != _useCumulativeRange) { |
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449 | _useCumulativeRange = state; |
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450 | _cumulativeRangeOnlyVisible = onlyVisible; |
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451 | updateFieldRanges(); |
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452 | _needsRedraw = true; |
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453 | } |
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454 | } |
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455 | |
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456 | void Renderer::resetAxes(double bounds[6]) |
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457 | { |
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458 | TRACE("Resetting axes"); |
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459 | if (_cubeAxesActor == NULL || |
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460 | _cubeAxesActor2D == NULL) { |
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461 | initAxes(); |
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462 | } |
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463 | if (_cameraMode == IMAGE) { |
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464 | if (_renderer->HasViewProp(_cubeAxesActor)) { |
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465 | TRACE("Removing 3D axes"); |
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466 | _renderer->RemoveViewProp(_cubeAxesActor); |
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467 | } |
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468 | if (!_renderer->HasViewProp(_cubeAxesActor2D)) { |
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469 | TRACE("Adding 2D axes"); |
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470 | _renderer->AddViewProp(_cubeAxesActor2D); |
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471 | } |
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472 | } else { |
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473 | if (_renderer->HasViewProp(_cubeAxesActor2D)) { |
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474 | TRACE("Removing 2D axes"); |
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475 | _renderer->RemoveViewProp(_cubeAxesActor2D); |
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476 | } |
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477 | if (!_renderer->HasViewProp(_cubeAxesActor)) { |
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478 | TRACE("Adding 3D axes"); |
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479 | _renderer->AddViewProp(_cubeAxesActor); |
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480 | } |
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481 | if (bounds == NULL) { |
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482 | double newBounds[6]; |
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483 | collectBounds(newBounds, false); |
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484 | #if ((VTK_MAJOR_VERSION > 5) || (VTK_MAJOR_VERSION == 5 && VTK_MINOR_VERSION >= 8)) |
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485 | _cubeAxesActor->SetXAxisRange(newBounds[0], newBounds[1]); |
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486 | _cubeAxesActor->SetYAxisRange(newBounds[2], newBounds[3]); |
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487 | _cubeAxesActor->SetZAxisRange(newBounds[4], newBounds[5]); |
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488 | #endif |
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489 | _cubeAxesActor->SetBounds(newBounds); |
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490 | TRACE("Bounds (computed): %g %g %g %g %g %g", |
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491 | newBounds[0], |
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492 | newBounds[1], |
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493 | newBounds[2], |
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494 | newBounds[3], |
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495 | newBounds[4], |
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496 | newBounds[5]); |
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497 | } else { |
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498 | #if ((VTK_MAJOR_VERSION > 5) || (VTK_MAJOR_VERSION == 5 && VTK_MINOR_VERSION >= 8)) |
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499 | _cubeAxesActor->SetXAxisRange(bounds[0], bounds[1]); |
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500 | _cubeAxesActor->SetYAxisRange(bounds[2], bounds[3]); |
---|
501 | _cubeAxesActor->SetZAxisRange(bounds[4], bounds[5]); |
---|
502 | #endif |
---|
503 | _cubeAxesActor->SetBounds(bounds); |
---|
504 | TRACE("Bounds (supplied): %g %g %g %g %g %g", |
---|
505 | bounds[0], |
---|
506 | bounds[1], |
---|
507 | bounds[2], |
---|
508 | bounds[3], |
---|
509 | bounds[4], |
---|
510 | bounds[5]); |
---|
511 | } |
---|
512 | } |
---|
513 | } |
---|
514 | |
---|
515 | /** |
---|
516 | * \brief Set inital properties on the 2D Axes |
---|
517 | */ |
---|
518 | void Renderer::initAxes() |
---|
519 | { |
---|
520 | TRACE("Initializing axes"); |
---|
521 | #ifdef USE_CUSTOM_AXES |
---|
522 | if (_cubeAxesActor == NULL) |
---|
523 | _cubeAxesActor = vtkSmartPointer<vtkRpCubeAxesActor>::New(); |
---|
524 | #else |
---|
525 | if (_cubeAxesActor == NULL) |
---|
526 | _cubeAxesActor = vtkSmartPointer<vtkCubeAxesActor>::New(); |
---|
527 | #endif |
---|
528 | _cubeAxesActor->SetCamera(_renderer->GetActiveCamera()); |
---|
529 | _cubeAxesActor->GetProperty()->LightingOff(); |
---|
530 | // Don't offset labels at origin |
---|
531 | _cubeAxesActor->SetCornerOffset(0); |
---|
532 | _cubeAxesActor->SetFlyModeToStaticTriad(); |
---|
533 | |
---|
534 | #ifdef USE_CUSTOM_AXES |
---|
535 | if (_cubeAxesActor2D == NULL) |
---|
536 | _cubeAxesActor2D = vtkSmartPointer<vtkRpCubeAxesActor2D>::New(); |
---|
537 | #else |
---|
538 | if (_cubeAxesActor2D == NULL) |
---|
539 | _cubeAxesActor2D = vtkSmartPointer<vtkCubeAxesActor2D>::New(); |
---|
540 | #endif |
---|
541 | |
---|
542 | _cubeAxesActor2D->SetCamera(_renderer->GetActiveCamera()); |
---|
543 | _cubeAxesActor2D->ZAxisVisibilityOff(); |
---|
544 | _cubeAxesActor2D->SetCornerOffset(0); |
---|
545 | _cubeAxesActor2D->SetFlyModeToClosestTriad(); |
---|
546 | |
---|
547 | _cubeAxesActor2D->ScalingOff(); |
---|
548 | //_cubeAxesActor2D->SetShowActualBounds(0); |
---|
549 | _cubeAxesActor2D->SetFontFactor(1.25); |
---|
550 | // Use "nice" range and number of ticks/labels |
---|
551 | _cubeAxesActor2D->GetXAxisActor2D()->AdjustLabelsOn(); |
---|
552 | _cubeAxesActor2D->GetYAxisActor2D()->AdjustLabelsOn(); |
---|
553 | _cubeAxesActor2D->GetZAxisActor2D()->AdjustLabelsOn(); |
---|
554 | |
---|
555 | #ifdef USE_CUSTOM_AXES |
---|
556 | _cubeAxesActor2D->SetAxisTitleTextProperty(NULL); |
---|
557 | _cubeAxesActor2D->SetAxisLabelTextProperty(NULL); |
---|
558 | //_cubeAxesActor2D->GetXAxisActor2D()->SizeFontRelativeToAxisOn(); |
---|
559 | _cubeAxesActor2D->GetXAxisActor2D()->GetTitleTextProperty()->BoldOn(); |
---|
560 | _cubeAxesActor2D->GetXAxisActor2D()->GetTitleTextProperty()->ItalicOff(); |
---|
561 | _cubeAxesActor2D->GetXAxisActor2D()->GetTitleTextProperty()->ShadowOn(); |
---|
562 | _cubeAxesActor2D->GetXAxisActor2D()->GetLabelTextProperty()->BoldOff(); |
---|
563 | _cubeAxesActor2D->GetXAxisActor2D()->GetLabelTextProperty()->ItalicOff(); |
---|
564 | _cubeAxesActor2D->GetXAxisActor2D()->GetLabelTextProperty()->ShadowOff(); |
---|
565 | |
---|
566 | //_cubeAxesActor2D->GetYAxisActor2D()->SizeFontRelativeToAxisOn(); |
---|
567 | _cubeAxesActor2D->GetYAxisActor2D()->GetTitleTextProperty()->BoldOn(); |
---|
568 | _cubeAxesActor2D->GetYAxisActor2D()->GetTitleTextProperty()->ItalicOff(); |
---|
569 | _cubeAxesActor2D->GetYAxisActor2D()->GetTitleTextProperty()->ShadowOn(); |
---|
570 | _cubeAxesActor2D->GetYAxisActor2D()->GetLabelTextProperty()->BoldOff(); |
---|
571 | _cubeAxesActor2D->GetYAxisActor2D()->GetLabelTextProperty()->ItalicOff(); |
---|
572 | _cubeAxesActor2D->GetYAxisActor2D()->GetLabelTextProperty()->ShadowOff(); |
---|
573 | |
---|
574 | //_cubeAxesActor2D->GetZAxisActor2D()->SizeFontRelativeToAxisOn(); |
---|
575 | _cubeAxesActor2D->GetZAxisActor2D()->GetTitleTextProperty()->BoldOn(); |
---|
576 | _cubeAxesActor2D->GetZAxisActor2D()->GetTitleTextProperty()->ItalicOff(); |
---|
577 | _cubeAxesActor2D->GetZAxisActor2D()->GetTitleTextProperty()->ShadowOn(); |
---|
578 | _cubeAxesActor2D->GetZAxisActor2D()->GetLabelTextProperty()->BoldOff(); |
---|
579 | _cubeAxesActor2D->GetZAxisActor2D()->GetLabelTextProperty()->ItalicOff(); |
---|
580 | _cubeAxesActor2D->GetZAxisActor2D()->GetLabelTextProperty()->ShadowOff(); |
---|
581 | #else |
---|
582 | _cubeAxesActor2D->GetAxisTitleTextProperty()->BoldOn(); |
---|
583 | _cubeAxesActor2D->GetAxisTitleTextProperty()->ItalicOff(); |
---|
584 | _cubeAxesActor2D->GetAxisTitleTextProperty()->ShadowOn(); |
---|
585 | _cubeAxesActor2D->GetAxisLabelTextProperty()->BoldOff(); |
---|
586 | _cubeAxesActor2D->GetAxisLabelTextProperty()->ItalicOff(); |
---|
587 | _cubeAxesActor2D->GetAxisLabelTextProperty()->ShadowOff(); |
---|
588 | #endif |
---|
589 | |
---|
590 | if (_cameraMode == IMAGE) { |
---|
591 | if (!_renderer->HasViewProp(_cubeAxesActor2D)) |
---|
592 | _renderer->AddViewProp(_cubeAxesActor2D); |
---|
593 | } else { |
---|
594 | if (!_renderer->HasViewProp(_cubeAxesActor)) |
---|
595 | _renderer->AddViewProp(_cubeAxesActor); |
---|
596 | } |
---|
597 | } |
---|
598 | |
---|
599 | /** |
---|
600 | * \brief Set Fly mode of axes |
---|
601 | */ |
---|
602 | void Renderer::setAxesFlyMode(AxesFlyMode mode) |
---|
603 | { |
---|
604 | if (_cubeAxesActor == NULL) |
---|
605 | initAxes(); |
---|
606 | switch (mode) { |
---|
607 | case FLY_STATIC_EDGES: |
---|
608 | _cubeAxesActor->SetFlyModeToStaticEdges(); |
---|
609 | break; |
---|
610 | case FLY_STATIC_TRIAD: |
---|
611 | _cubeAxesActor->SetFlyModeToStaticTriad(); |
---|
612 | break; |
---|
613 | case FLY_OUTER_EDGES: |
---|
614 | _cubeAxesActor->SetFlyModeToOuterEdges(); |
---|
615 | break; |
---|
616 | case FLY_FURTHEST_TRIAD: |
---|
617 | _cubeAxesActor->SetFlyModeToFurthestTriad(); |
---|
618 | break; |
---|
619 | case FLY_CLOSEST_TRIAD: |
---|
620 | default: |
---|
621 | _cubeAxesActor->SetFlyModeToClosestTriad(); |
---|
622 | break; |
---|
623 | } |
---|
624 | _needsRedraw = true; |
---|
625 | } |
---|
626 | |
---|
627 | /** |
---|
628 | * \brief Set color of axes, ticks, labels, titles |
---|
629 | */ |
---|
630 | void Renderer::setAxesColor(double color[3]) |
---|
631 | { |
---|
632 | if (_cubeAxesActor != NULL) { |
---|
633 | _cubeAxesActor->GetProperty()->SetColor(color); |
---|
634 | _needsRedraw = true; |
---|
635 | } |
---|
636 | if (_cubeAxesActor2D != NULL) { |
---|
637 | _cubeAxesActor2D->GetProperty()->SetColor(color); |
---|
638 | #ifdef USE_CUSTOM_AXES |
---|
639 | _cubeAxesActor2D->GetXAxisActor2D()->GetTitleTextProperty()->SetColor(color); |
---|
640 | _cubeAxesActor2D->GetXAxisActor2D()->GetLabelTextProperty()->SetColor(color); |
---|
641 | _cubeAxesActor2D->GetYAxisActor2D()->GetTitleTextProperty()->SetColor(color); |
---|
642 | _cubeAxesActor2D->GetYAxisActor2D()->GetLabelTextProperty()->SetColor(color); |
---|
643 | _cubeAxesActor2D->GetZAxisActor2D()->GetTitleTextProperty()->SetColor(color); |
---|
644 | _cubeAxesActor2D->GetZAxisActor2D()->GetLabelTextProperty()->SetColor(color); |
---|
645 | #else |
---|
646 | _cubeAxesActor2D->GetAxisTitleTextProperty()->SetColor(color); |
---|
647 | _cubeAxesActor2D->GetAxisLabelTextProperty()->SetColor(color); |
---|
648 | #endif |
---|
649 | _needsRedraw = true; |
---|
650 | } |
---|
651 | } |
---|
652 | |
---|
653 | /** |
---|
654 | * \brief Turn on/off rendering of all enabled axes |
---|
655 | */ |
---|
656 | void Renderer::setAxesVisibility(bool state) |
---|
657 | { |
---|
658 | if (_cubeAxesActor != NULL) { |
---|
659 | _cubeAxesActor->SetVisibility((state ? 1 : 0)); |
---|
660 | _needsRedraw = true; |
---|
661 | } |
---|
662 | if (_cubeAxesActor2D != NULL) { |
---|
663 | _cubeAxesActor2D->SetVisibility((state ? 1 : 0)); |
---|
664 | _needsRedraw = true; |
---|
665 | } |
---|
666 | } |
---|
667 | |
---|
668 | /** |
---|
669 | * \brief Turn on/off rendering of all axes gridlines |
---|
670 | */ |
---|
671 | void Renderer::setAxesGridVisibility(bool state) |
---|
672 | { |
---|
673 | setAxisGridVisibility(X_AXIS, state); |
---|
674 | setAxisGridVisibility(Y_AXIS, state); |
---|
675 | setAxisGridVisibility(Z_AXIS, state); |
---|
676 | } |
---|
677 | |
---|
678 | /** |
---|
679 | * \brief Turn on/off rendering of all axis labels |
---|
680 | */ |
---|
681 | void Renderer::setAxesLabelVisibility(bool state) |
---|
682 | { |
---|
683 | setAxisLabelVisibility(X_AXIS, state); |
---|
684 | setAxisLabelVisibility(Y_AXIS, state); |
---|
685 | setAxisLabelVisibility(Z_AXIS, state); |
---|
686 | } |
---|
687 | |
---|
688 | /** |
---|
689 | * \brief Turn on/off rendering of all axis ticks |
---|
690 | */ |
---|
691 | void Renderer::setAxesTickVisibility(bool state) |
---|
692 | { |
---|
693 | setAxisTickVisibility(X_AXIS, state); |
---|
694 | setAxisTickVisibility(Y_AXIS, state); |
---|
695 | setAxisTickVisibility(Z_AXIS, state); |
---|
696 | } |
---|
697 | |
---|
698 | /** |
---|
699 | * \brief Control position of ticks on 3D axes |
---|
700 | */ |
---|
701 | void Renderer::setAxesTickPosition(AxesTickPosition pos) |
---|
702 | { |
---|
703 | if (_cubeAxesActor == NULL) |
---|
704 | return; |
---|
705 | |
---|
706 | switch (pos) { |
---|
707 | case TICKS_BOTH: |
---|
708 | _cubeAxesActor->SetTickLocationToBoth(); |
---|
709 | break; |
---|
710 | case TICKS_OUTSIDE: |
---|
711 | _cubeAxesActor->SetTickLocationToOutside(); |
---|
712 | break; |
---|
713 | case TICKS_INSIDE: |
---|
714 | default: |
---|
715 | _cubeAxesActor->SetTickLocationToInside(); |
---|
716 | break; |
---|
717 | } |
---|
718 | _needsRedraw = true; |
---|
719 | } |
---|
720 | |
---|
721 | /** |
---|
722 | * \brief Turn on/off rendering of the specified axis |
---|
723 | */ |
---|
724 | void Renderer::setAxisVisibility(Axis axis, bool state) |
---|
725 | { |
---|
726 | if (_cubeAxesActor != NULL) { |
---|
727 | if (axis == X_AXIS) { |
---|
728 | _cubeAxesActor->SetXAxisVisibility((state ? 1 : 0)); |
---|
729 | } else if (axis == Y_AXIS) { |
---|
730 | _cubeAxesActor->SetYAxisVisibility((state ? 1 : 0)); |
---|
731 | } else if (axis == Z_AXIS) { |
---|
732 | _cubeAxesActor->SetZAxisVisibility((state ? 1 : 0)); |
---|
733 | } |
---|
734 | _needsRedraw = true; |
---|
735 | } |
---|
736 | if (_cubeAxesActor2D != NULL) { |
---|
737 | if (axis == X_AXIS) { |
---|
738 | _cubeAxesActor2D->SetXAxisVisibility((state ? 1 : 0)); |
---|
739 | } else if (axis == Y_AXIS) { |
---|
740 | _cubeAxesActor2D->SetYAxisVisibility((state ? 1 : 0)); |
---|
741 | } else if (axis == Z_AXIS) { |
---|
742 | _cubeAxesActor2D->SetZAxisVisibility((state ? 1 : 0)); |
---|
743 | } |
---|
744 | _needsRedraw = true; |
---|
745 | } |
---|
746 | } |
---|
747 | |
---|
748 | /** |
---|
749 | * \brief Turn on/off rendering of single axis gridlines |
---|
750 | */ |
---|
751 | void Renderer::setAxisGridVisibility(Axis axis, bool state) |
---|
752 | { |
---|
753 | if (_cubeAxesActor != NULL) { |
---|
754 | if (axis == X_AXIS) { |
---|
755 | _cubeAxesActor->SetDrawXGridlines((state ? 1 : 0)); |
---|
756 | } else if (axis == Y_AXIS) { |
---|
757 | _cubeAxesActor->SetDrawYGridlines((state ? 1 : 0)); |
---|
758 | } else if (axis == Z_AXIS) { |
---|
759 | _cubeAxesActor->SetDrawZGridlines((state ? 1 : 0)); |
---|
760 | } |
---|
761 | _needsRedraw = true; |
---|
762 | } |
---|
763 | } |
---|
764 | |
---|
765 | /** |
---|
766 | * \brief Toggle label visibility for the specified axis |
---|
767 | */ |
---|
768 | void Renderer::setAxisLabelVisibility(Axis axis, bool state) |
---|
769 | { |
---|
770 | if (_cubeAxesActor != NULL) { |
---|
771 | if (axis == X_AXIS) { |
---|
772 | _cubeAxesActor->SetXAxisLabelVisibility((state ? 1 : 0)); |
---|
773 | } else if (axis == Y_AXIS) { |
---|
774 | _cubeAxesActor->SetYAxisLabelVisibility((state ? 1 : 0)); |
---|
775 | } else if (axis == Z_AXIS) { |
---|
776 | _cubeAxesActor->SetZAxisLabelVisibility((state ? 1 : 0)); |
---|
777 | } |
---|
778 | _needsRedraw = true; |
---|
779 | } |
---|
780 | if (_cubeAxesActor2D != NULL) { |
---|
781 | if (axis == X_AXIS) { |
---|
782 | _cubeAxesActor2D->GetXAxisActor2D()->SetLabelVisibility((state ? 1 : 0)); |
---|
783 | } else if (axis == Y_AXIS) { |
---|
784 | _cubeAxesActor2D->GetYAxisActor2D()->SetLabelVisibility((state ? 1 : 0)); |
---|
785 | } else if (axis == Z_AXIS) { |
---|
786 | _cubeAxesActor2D->GetZAxisActor2D()->SetLabelVisibility((state ? 1 : 0)); |
---|
787 | } |
---|
788 | _needsRedraw = true; |
---|
789 | } |
---|
790 | } |
---|
791 | |
---|
792 | /** |
---|
793 | * \brief Toggle tick visibility for the specified axis |
---|
794 | */ |
---|
795 | void Renderer::setAxisTickVisibility(Axis axis, bool state) |
---|
796 | { |
---|
797 | if (_cubeAxesActor != NULL) { |
---|
798 | if (axis == X_AXIS) { |
---|
799 | _cubeAxesActor->SetXAxisTickVisibility((state ? 1 : 0)); |
---|
800 | } else if (axis == Y_AXIS) { |
---|
801 | _cubeAxesActor->SetYAxisTickVisibility((state ? 1 : 0)); |
---|
802 | } else if (axis == Z_AXIS) { |
---|
803 | _cubeAxesActor->SetZAxisTickVisibility((state ? 1 : 0)); |
---|
804 | } |
---|
805 | _needsRedraw = true; |
---|
806 | } |
---|
807 | if (_cubeAxesActor2D != NULL) { |
---|
808 | if (axis == X_AXIS) { |
---|
809 | _cubeAxesActor2D->GetXAxisActor2D()->SetTickVisibility((state ? 1 : 0)); |
---|
810 | } else if (axis == Y_AXIS) { |
---|
811 | _cubeAxesActor2D->GetYAxisActor2D()->SetTickVisibility((state ? 1 : 0)); |
---|
812 | } else if (axis == Z_AXIS) { |
---|
813 | _cubeAxesActor2D->GetZAxisActor2D()->SetTickVisibility((state ? 1 : 0)); |
---|
814 | } |
---|
815 | _needsRedraw = true; |
---|
816 | } |
---|
817 | } |
---|
818 | |
---|
819 | /** |
---|
820 | * \brief Set title of the specified axis |
---|
821 | */ |
---|
822 | void Renderer::setAxisTitle(Axis axis, const char *title) |
---|
823 | { |
---|
824 | if (_cubeAxesActor != NULL) { |
---|
825 | if (axis == X_AXIS) { |
---|
826 | _cubeAxesActor->SetXTitle(title); |
---|
827 | } else if (axis == Y_AXIS) { |
---|
828 | _cubeAxesActor->SetYTitle(title); |
---|
829 | } else if (axis == Z_AXIS) { |
---|
830 | _cubeAxesActor->SetZTitle(title); |
---|
831 | } |
---|
832 | _needsRedraw = true; |
---|
833 | } |
---|
834 | if (_cubeAxesActor2D != NULL) { |
---|
835 | if (axis == X_AXIS) { |
---|
836 | _cubeAxesActor2D->SetXLabel(title); |
---|
837 | } else if (axis == Y_AXIS) { |
---|
838 | _cubeAxesActor2D->SetYLabel(title); |
---|
839 | } else if (axis == Z_AXIS) { |
---|
840 | _cubeAxesActor2D->SetZLabel(title); |
---|
841 | } |
---|
842 | _needsRedraw = true; |
---|
843 | } |
---|
844 | } |
---|
845 | |
---|
846 | /** |
---|
847 | * \brief Set units of the specified axis |
---|
848 | */ |
---|
849 | void Renderer::setAxisUnits(Axis axis, const char *units) |
---|
850 | { |
---|
851 | if (_cubeAxesActor != NULL) { |
---|
852 | if (axis == X_AXIS) { |
---|
853 | _cubeAxesActor->SetXUnits(units); |
---|
854 | } else if (axis == Y_AXIS) { |
---|
855 | _cubeAxesActor->SetYUnits(units); |
---|
856 | } else if (axis == Z_AXIS) { |
---|
857 | _cubeAxesActor->SetZUnits(units); |
---|
858 | } |
---|
859 | _needsRedraw = true; |
---|
860 | } |
---|
861 | #ifdef notdef |
---|
862 | if (_cubeAxesActor2D != NULL) { |
---|
863 | if (axis == X_AXIS) { |
---|
864 | _cubeAxesActor2D->SetXUnits(units); |
---|
865 | } else if (axis == Y_AXIS) { |
---|
866 | _cubeAxesActor2D->SetYUnits(units); |
---|
867 | } else if (axis == Z_AXIS) { |
---|
868 | _cubeAxesActor2D->SetZUnits(units); |
---|
869 | } |
---|
870 | _needsRedraw = true; |
---|
871 | } |
---|
872 | #endif |
---|
873 | } |
---|
874 | |
---|
875 | /** |
---|
876 | * \brief Notify graphics objects that color map has changed |
---|
877 | */ |
---|
878 | void Renderer::updateColorMap(ColorMap *cmap) |
---|
879 | { |
---|
880 | for (Contour3DHashmap::iterator itr = _contour3Ds.begin(); |
---|
881 | itr != _contour3Ds.end(); ++itr) { |
---|
882 | if (itr->second->getColorMap() == cmap) { |
---|
883 | itr->second->updateColorMap(); |
---|
884 | _needsRedraw = true; |
---|
885 | } |
---|
886 | } |
---|
887 | for (CutplaneHashmap::iterator itr = _cutplanes.begin(); |
---|
888 | itr != _cutplanes.end(); ++itr) { |
---|
889 | if (itr->second->getColorMap() == cmap) { |
---|
890 | itr->second->updateColorMap(); |
---|
891 | _needsRedraw = true; |
---|
892 | } |
---|
893 | } |
---|
894 | for (GlyphsHashmap::iterator itr = _glyphs.begin(); |
---|
895 | itr != _glyphs.end(); ++itr) { |
---|
896 | if (itr->second->getColorMap() == cmap) { |
---|
897 | itr->second->updateColorMap(); |
---|
898 | _needsRedraw = true; |
---|
899 | } |
---|
900 | } |
---|
901 | for (HeightMapHashmap::iterator itr = _heightMaps.begin(); |
---|
902 | itr != _heightMaps.end(); ++itr) { |
---|
903 | if (itr->second->getColorMap() == cmap) { |
---|
904 | itr->second->updateColorMap(); |
---|
905 | _needsRedraw = true; |
---|
906 | } |
---|
907 | } |
---|
908 | for (LICHashmap::iterator itr = _lics.begin(); |
---|
909 | itr != _lics.end(); ++itr) { |
---|
910 | if (itr->second->getColorMap() == cmap) { |
---|
911 | itr->second->updateColorMap(); |
---|
912 | _needsRedraw = true; |
---|
913 | } |
---|
914 | } |
---|
915 | for (MoleculeHashmap::iterator itr = _molecules.begin(); |
---|
916 | itr != _molecules.end(); ++itr) { |
---|
917 | if (itr->second->getColorMap() == cmap) { |
---|
918 | itr->second->updateColorMap(); |
---|
919 | _needsRedraw = true; |
---|
920 | } |
---|
921 | } |
---|
922 | for (PseudoColorHashmap::iterator itr = _pseudoColors.begin(); |
---|
923 | itr != _pseudoColors.end(); ++itr) { |
---|
924 | if (itr->second->getColorMap() == cmap) { |
---|
925 | itr->second->updateColorMap(); |
---|
926 | _needsRedraw = true; |
---|
927 | } |
---|
928 | } |
---|
929 | for (StreamlinesHashmap::iterator itr = _streamlines.begin(); |
---|
930 | itr != _streamlines.end(); ++itr) { |
---|
931 | if (itr->second->getColorMap() == cmap) { |
---|
932 | itr->second->updateColorMap(); |
---|
933 | _needsRedraw = true; |
---|
934 | } |
---|
935 | } |
---|
936 | for (VolumeHashmap::iterator itr = _volumes.begin(); |
---|
937 | itr != _volumes.end(); ++itr) { |
---|
938 | if (itr->second->getColorMap() == cmap) { |
---|
939 | itr->second->updateColorMap(); |
---|
940 | _needsRedraw = true; |
---|
941 | } |
---|
942 | } |
---|
943 | } |
---|
944 | |
---|
945 | /** |
---|
946 | * \brief Check if a ColorMap is in use by graphics objects |
---|
947 | */ |
---|
948 | bool Renderer::colorMapUsed(ColorMap *cmap) |
---|
949 | { |
---|
950 | for (Contour3DHashmap::iterator itr = _contour3Ds.begin(); |
---|
951 | itr != _contour3Ds.end(); ++itr) { |
---|
952 | if (itr->second->getColorMap() == cmap) |
---|
953 | return true; |
---|
954 | } |
---|
955 | for (CutplaneHashmap::iterator itr = _cutplanes.begin(); |
---|
956 | itr != _cutplanes.end(); ++itr) { |
---|
957 | if (itr->second->getColorMap() == cmap) |
---|
958 | return true; |
---|
959 | } |
---|
960 | for (GlyphsHashmap::iterator itr = _glyphs.begin(); |
---|
961 | itr != _glyphs.end(); ++itr) { |
---|
962 | if (itr->second->getColorMap() == cmap) |
---|
963 | return true; |
---|
964 | } |
---|
965 | for (HeightMapHashmap::iterator itr = _heightMaps.begin(); |
---|
966 | itr != _heightMaps.end(); ++itr) { |
---|
967 | if (itr->second->getColorMap() == cmap) |
---|
968 | return true; |
---|
969 | } |
---|
970 | for (LICHashmap::iterator itr = _lics.begin(); |
---|
971 | itr != _lics.end(); ++itr) { |
---|
972 | if (itr->second->getColorMap() == cmap) |
---|
973 | return true; |
---|
974 | } |
---|
975 | for (MoleculeHashmap::iterator itr = _molecules.begin(); |
---|
976 | itr != _molecules.end(); ++itr) { |
---|
977 | if (itr->second->getColorMap() == cmap) |
---|
978 | return true; |
---|
979 | } |
---|
980 | for (PseudoColorHashmap::iterator itr = _pseudoColors.begin(); |
---|
981 | itr != _pseudoColors.end(); ++itr) { |
---|
982 | if (itr->second->getColorMap() == cmap) |
---|
983 | return true; |
---|
984 | } |
---|
985 | for (StreamlinesHashmap::iterator itr = _streamlines.begin(); |
---|
986 | itr != _streamlines.end(); ++itr) { |
---|
987 | if (itr->second->getColorMap() == cmap) |
---|
988 | return true; |
---|
989 | } |
---|
990 | for (VolumeHashmap::iterator itr = _volumes.begin(); |
---|
991 | itr != _volumes.end(); ++itr) { |
---|
992 | if (itr->second->getColorMap() == cmap) |
---|
993 | return true; |
---|
994 | } |
---|
995 | return false; |
---|
996 | } |
---|
997 | |
---|
998 | /** |
---|
999 | * \brief Add/replace a ColorMap for use in the Renderer |
---|
1000 | */ |
---|
1001 | void Renderer::addColorMap(const ColorMapId& id, ColorMap *colorMap) |
---|
1002 | { |
---|
1003 | if (colorMap != NULL) { |
---|
1004 | colorMap->build(); |
---|
1005 | if (getColorMap(id) != NULL) { |
---|
1006 | TRACE("Replacing existing ColorMap %s", id.c_str()); |
---|
1007 | // Copy to current colormap to avoid invalidating |
---|
1008 | // pointers in graphics objects using the color map |
---|
1009 | *_colorMaps[id] = *colorMap; |
---|
1010 | delete colorMap; |
---|
1011 | // Notify graphics objects of change |
---|
1012 | updateColorMap(_colorMaps[id]); |
---|
1013 | } else |
---|
1014 | _colorMaps[id] = colorMap; |
---|
1015 | } else { |
---|
1016 | ERROR("NULL ColorMap"); |
---|
1017 | } |
---|
1018 | } |
---|
1019 | |
---|
1020 | /** |
---|
1021 | * \brief Return the ColorMap associated with the colormap key given |
---|
1022 | */ |
---|
1023 | ColorMap *Renderer::getColorMap(const ColorMapId& id) |
---|
1024 | { |
---|
1025 | ColorMapHashmap::iterator itr = _colorMaps.find(id); |
---|
1026 | |
---|
1027 | if (itr == _colorMaps.end()) |
---|
1028 | return NULL; |
---|
1029 | else |
---|
1030 | return itr->second; |
---|
1031 | } |
---|
1032 | |
---|
1033 | /** |
---|
1034 | * \brief Remove the colormap associated with the key given |
---|
1035 | * |
---|
1036 | * The underlying vtkLookupTable will be deleted if it is not referenced |
---|
1037 | * by any other objects |
---|
1038 | */ |
---|
1039 | void Renderer::deleteColorMap(const ColorMapId& id) |
---|
1040 | { |
---|
1041 | ColorMapHashmap::iterator itr; |
---|
1042 | |
---|
1043 | bool doAll = false; |
---|
1044 | |
---|
1045 | if (id.compare("all") == 0) { |
---|
1046 | itr = _colorMaps.begin(); |
---|
1047 | doAll = true; |
---|
1048 | } else { |
---|
1049 | itr = _colorMaps.find(id); |
---|
1050 | } |
---|
1051 | |
---|
1052 | if (itr == _colorMaps.end()) { |
---|
1053 | ERROR("Unknown ColorMap %s", id.c_str()); |
---|
1054 | return; |
---|
1055 | } |
---|
1056 | |
---|
1057 | do { |
---|
1058 | if (itr->second->getName().compare("default") == 0 || |
---|
1059 | itr->second->getName().compare("grayDefault") == 0 || |
---|
1060 | itr->second->getName().compare("volumeDefault") == 0 || |
---|
1061 | itr->second->getName().compare("elementDefault") == 0) { |
---|
1062 | if (id.compare("all") != 0) { |
---|
1063 | WARN("Cannot delete a default color map"); |
---|
1064 | } |
---|
1065 | continue; |
---|
1066 | } else if (colorMapUsed(itr->second)) { |
---|
1067 | WARN("Cannot delete color map '%s', it is in use", itr->second->getName().c_str()); |
---|
1068 | continue; |
---|
1069 | } |
---|
1070 | |
---|
1071 | TRACE("Deleting ColorMap %s", itr->second->getName().c_str()); |
---|
1072 | |
---|
1073 | delete itr->second; |
---|
1074 | itr = _colorMaps.erase(itr); |
---|
1075 | } while (doAll && itr != _colorMaps.end()); |
---|
1076 | } |
---|
1077 | |
---|
1078 | /** |
---|
1079 | * \brief Render a labelled legend image for the given colormap |
---|
1080 | * |
---|
1081 | * The field is assumed to be the active scalar or vector field |
---|
1082 | * based on the legendType. |
---|
1083 | * |
---|
1084 | * \param[in] id ColorMap name |
---|
1085 | * \param[in] dataSetID DataSet name |
---|
1086 | * \param[in] legendType scalar or vector field legend |
---|
1087 | * \param[in,out] title If supplied, draw title ("#auto" means to |
---|
1088 | * fill in field name and draw). If blank, do not draw title. |
---|
1089 | * If title was blank or "#auto", will be filled with field name on |
---|
1090 | * return |
---|
1091 | * \param[in,out] range Data range to use in legend. Set min > max to have |
---|
1092 | * range computed, will be filled with valid min and max values |
---|
1093 | * \param[in] width Pixel width of legend (aspect controls orientation) |
---|
1094 | * \param[in] height Pixel height of legend (aspect controls orientation) |
---|
1095 | * \param[in] opaque Flag to control if legend is rendered opaque or translucent |
---|
1096 | * \param[in] numLabels Number of labels to render (includes min/max) |
---|
1097 | * \param[in,out] imgData Pointer to array to fill with image bytes. Array |
---|
1098 | * will be resized if needed. |
---|
1099 | * \return The image is rendered into the supplied array, false is |
---|
1100 | * returned if the color map is not found |
---|
1101 | */ |
---|
1102 | bool Renderer::renderColorMap(const ColorMapId& id, |
---|
1103 | const DataSetId& dataSetID, |
---|
1104 | Renderer::LegendType legendType, |
---|
1105 | std::string& title, |
---|
1106 | double range[2], |
---|
1107 | int width, int height, |
---|
1108 | bool opaque, |
---|
1109 | int numLabels, |
---|
1110 | vtkUnsignedCharArray *imgData) |
---|
1111 | { |
---|
1112 | DataSet *dataSet = NULL; |
---|
1113 | if (dataSetID.compare("all") == 0) { |
---|
1114 | if (_dataSets.empty()) { |
---|
1115 | WARN("No DataSets exist, can't fill title or range"); |
---|
1116 | return renderColorMap(id, dataSetID, legendType, |
---|
1117 | NULL, |
---|
1118 | DataSet::POINT_DATA, |
---|
1119 | title, range, width, height, opaque, numLabels, imgData); |
---|
1120 | } else { |
---|
1121 | dataSet = _dataSets.begin()->second; |
---|
1122 | } |
---|
1123 | } else { |
---|
1124 | dataSet = getDataSet(dataSetID); |
---|
1125 | if (dataSet == NULL) { |
---|
1126 | ERROR("DataSet '%s' not found", dataSetID.c_str()); |
---|
1127 | return false; |
---|
1128 | } |
---|
1129 | } |
---|
1130 | |
---|
1131 | if (legendType == LEGEND_SCALAR) { |
---|
1132 | return renderColorMap(id, dataSetID, legendType, |
---|
1133 | dataSet->getActiveScalarsName(), |
---|
1134 | dataSet->getActiveScalarsType(), |
---|
1135 | title, range, width, height, opaque, numLabels, imgData); |
---|
1136 | } else { |
---|
1137 | return renderColorMap(id, dataSetID, legendType, |
---|
1138 | dataSet->getActiveVectorsName(), |
---|
1139 | dataSet->getActiveVectorsType(), |
---|
1140 | title, range, width, height, opaque, numLabels, imgData); |
---|
1141 | } |
---|
1142 | } |
---|
1143 | |
---|
1144 | /** |
---|
1145 | * \brief Render a labelled legend image for the given colormap |
---|
1146 | * |
---|
1147 | * The field is assumed to be point data, if the field is not found |
---|
1148 | * as point data, cell data is used. |
---|
1149 | * |
---|
1150 | * \param[in] id ColorMap name |
---|
1151 | * \param[in] dataSetID DataSet name |
---|
1152 | * \param[in] legendType scalar or vector field legend |
---|
1153 | * \param[in] fieldName Name of the field array this legend is for |
---|
1154 | * \param[in,out] title If supplied, draw title ("#auto" means to |
---|
1155 | * fill in field name and draw). If blank, do not draw title. |
---|
1156 | * If title was blank or "#auto", will be filled with field name on |
---|
1157 | * return |
---|
1158 | * \param[in,out] range Data range to use in legend. Set min > max to have |
---|
1159 | * range computed, will be filled with valid min and max values |
---|
1160 | * \param[in] width Pixel width of legend (aspect controls orientation) |
---|
1161 | * \param[in] height Pixel height of legend (aspect controls orientation) |
---|
1162 | * \param[in] opaque Flag to control if legend is rendered opaque or translucent |
---|
1163 | * \param[in] numLabels Number of labels to render (includes min/max) |
---|
1164 | * \param[in,out] imgData Pointer to array to fill with image bytes. Array |
---|
1165 | * will be resized if needed. |
---|
1166 | * \return The image is rendered into the supplied array, false is |
---|
1167 | * returned if the color map is not found |
---|
1168 | */ |
---|
1169 | bool Renderer::renderColorMap(const ColorMapId& id, |
---|
1170 | const DataSetId& dataSetID, |
---|
1171 | Renderer::LegendType legendType, |
---|
1172 | const char *fieldName, |
---|
1173 | std::string& title, |
---|
1174 | double range[2], |
---|
1175 | int width, int height, |
---|
1176 | bool opaque, |
---|
1177 | int numLabels, |
---|
1178 | vtkUnsignedCharArray *imgData) |
---|
1179 | { |
---|
1180 | DataSet *dataSet = NULL; |
---|
1181 | if (dataSetID.compare("all") == 0) { |
---|
1182 | if (_dataSets.empty()) { |
---|
1183 | WARN("No DataSets exist, can't fill title or range"); |
---|
1184 | return renderColorMap(id, dataSetID, legendType, |
---|
1185 | NULL, |
---|
1186 | DataSet::POINT_DATA, |
---|
1187 | title, range, width, height, opaque, numLabels, imgData); |
---|
1188 | } else { |
---|
1189 | dataSet = _dataSets.begin()->second; |
---|
1190 | } |
---|
1191 | } else { |
---|
1192 | dataSet = getDataSet(dataSetID); |
---|
1193 | if (dataSet == NULL) { |
---|
1194 | ERROR("DataSet '%s' not found", dataSetID.c_str()); |
---|
1195 | return false; |
---|
1196 | } |
---|
1197 | } |
---|
1198 | |
---|
1199 | DataSet::DataAttributeType attrType; |
---|
1200 | int numComponents; |
---|
1201 | |
---|
1202 | dataSet->getFieldInfo(fieldName, &attrType, &numComponents); |
---|
1203 | |
---|
1204 | return renderColorMap(id, dataSetID, legendType, |
---|
1205 | fieldName, |
---|
1206 | attrType, |
---|
1207 | title, range, width, height, opaque, numLabels, imgData); |
---|
1208 | } |
---|
1209 | |
---|
1210 | /** |
---|
1211 | * \brief Render a labelled legend image for the given colormap |
---|
1212 | * |
---|
1213 | * \param[in] id ColorMap name |
---|
1214 | * \param[in] dataSetID DataSet name |
---|
1215 | * \param[in] legendType scalar or vector field legend |
---|
1216 | * \param[in] fieldName Name of the field array this legend is for |
---|
1217 | * \param[in] type DataAttributeType of the field |
---|
1218 | * \param[in,out] title If supplied, draw title ("#auto" means to |
---|
1219 | * fill in field name and draw). If blank, do not draw title. |
---|
1220 | * If title was blank or "#auto", will be filled with field name on |
---|
1221 | * return |
---|
1222 | * \param[in,out] range Data range to use in legend. Set min > max to have |
---|
1223 | * range computed, will be filled with valid min and max values |
---|
1224 | * \param[in] width Pixel width of legend (aspect controls orientation) |
---|
1225 | * \param[in] height Pixel height of legend (aspect controls orientation) |
---|
1226 | * \param[in] opaque Flag to control if legend is rendered opaque or translucent |
---|
1227 | * \param[in] numLabels Number of labels to render (includes min/max) |
---|
1228 | * \param[in,out] imgData Pointer to array to fill with image bytes. Array |
---|
1229 | * will be resized if needed. |
---|
1230 | * \return The image is rendered into the supplied array, false is |
---|
1231 | * returned if the color map is not found |
---|
1232 | */ |
---|
1233 | bool Renderer::renderColorMap(const ColorMapId& id, |
---|
1234 | const DataSetId& dataSetID, |
---|
1235 | Renderer::LegendType legendType, |
---|
1236 | const char *fieldName, |
---|
1237 | DataSet::DataAttributeType type, |
---|
1238 | std::string& title, |
---|
1239 | double range[2], |
---|
1240 | int width, int height, |
---|
1241 | bool opaque, |
---|
1242 | int numLabels, |
---|
1243 | vtkUnsignedCharArray *imgData) |
---|
1244 | { |
---|
1245 | TRACE("Enter"); |
---|
1246 | ColorMap *colorMap = getColorMap(id); |
---|
1247 | if (colorMap == NULL) |
---|
1248 | return false; |
---|
1249 | |
---|
1250 | if (_legendRenderWindow == NULL) { |
---|
1251 | _legendRenderWindow = vtkSmartPointer<vtkRenderWindow>::New(); |
---|
1252 | _legendRenderWindow->SetMultiSamples(0); |
---|
1253 | #ifdef USE_OFFSCREEN_RENDERING |
---|
1254 | _legendRenderWindow->DoubleBufferOff(); |
---|
1255 | _legendRenderWindow->OffScreenRenderingOn(); |
---|
1256 | #else |
---|
1257 | _legendRenderWindow->DoubleBufferOn(); |
---|
1258 | _legendRenderWindow->SwapBuffersOff(); |
---|
1259 | #endif |
---|
1260 | } |
---|
1261 | |
---|
1262 | _legendRenderWindow->SetSize(width, height); |
---|
1263 | |
---|
1264 | if (_legendRenderer == NULL) { |
---|
1265 | _legendRenderer = vtkSmartPointer<vtkRenderer>::New(); |
---|
1266 | _legendRenderWindow->AddRenderer(_legendRenderer); |
---|
1267 | } |
---|
1268 | _legendRenderer->SetBackground(_bgColor[0], _bgColor[1], _bgColor[2]); |
---|
1269 | |
---|
1270 | if (_scalarBarActor == NULL) { |
---|
1271 | _scalarBarActor = vtkSmartPointer<vtkScalarBarActor>::New(); |
---|
1272 | _legendRenderer->AddViewProp(_scalarBarActor); |
---|
1273 | } |
---|
1274 | |
---|
1275 | if (opaque) { |
---|
1276 | _scalarBarActor->UseOpacityOff(); |
---|
1277 | } else { |
---|
1278 | _scalarBarActor->UseOpacityOn(); |
---|
1279 | } |
---|
1280 | |
---|
1281 | if (width > height) { |
---|
1282 | _scalarBarActor->SetOrientationToHorizontal(); |
---|
1283 | } else { |
---|
1284 | _scalarBarActor->SetOrientationToVertical(); |
---|
1285 | } |
---|
1286 | |
---|
1287 | // Set viewport-relative width/height/pos |
---|
1288 | if (title.empty() && numLabels == 0) { |
---|
1289 | _scalarBarActor->SetPosition(0, 0); |
---|
1290 | if (width > height) { |
---|
1291 | // horizontal |
---|
1292 | _scalarBarActor->SetHeight(2.5); // VTK: floor(actorHeight * .4) |
---|
1293 | _scalarBarActor->SetWidth(1); |
---|
1294 | } else { |
---|
1295 | // vertical |
---|
1296 | _scalarBarActor->SetHeight((double)height/(.86*height)); // VTK: floor(actorHeight * .86) |
---|
1297 | _scalarBarActor->SetWidth(((double)(width+5))/((double)width)); // VTK: actorWidth - 4 pixels |
---|
1298 | } |
---|
1299 | } else { |
---|
1300 | if (width > height) { |
---|
1301 | // horizontal |
---|
1302 | _scalarBarActor->SetPosition(.075, .1); |
---|
1303 | _scalarBarActor->SetHeight(0.8); |
---|
1304 | _scalarBarActor->SetWidth(0.85); |
---|
1305 | } else { |
---|
1306 | // vertical |
---|
1307 | _scalarBarActor->SetPosition(.1, .05); |
---|
1308 | _scalarBarActor->SetHeight(0.9); |
---|
1309 | _scalarBarActor->SetWidth(0.8); |
---|
1310 | } |
---|
1311 | } |
---|
1312 | |
---|
1313 | vtkSmartPointer<vtkLookupTable> lut = colorMap->getLookupTable(); |
---|
1314 | DataSet *dataSet = NULL; |
---|
1315 | bool cumulative = _useCumulativeRange; |
---|
1316 | if (dataSetID.compare("all") == 0) { |
---|
1317 | if (_dataSets.empty()) { |
---|
1318 | WARN("No DataSets exist, can't fill title or range"); |
---|
1319 | } else { |
---|
1320 | dataSet = _dataSets.begin()->second; |
---|
1321 | } |
---|
1322 | cumulative = true; |
---|
1323 | } else { |
---|
1324 | dataSet = getDataSet(dataSetID); |
---|
1325 | if (dataSet == NULL) { |
---|
1326 | ERROR("DataSet '%s' not found", dataSetID.c_str()); |
---|
1327 | return false; |
---|
1328 | } |
---|
1329 | } |
---|
1330 | |
---|
1331 | bool drawTitle = false; |
---|
1332 | if (!title.empty()) { |
---|
1333 | drawTitle = true; |
---|
1334 | if (title.compare("#auto") == 0) { |
---|
1335 | title.clear(); |
---|
1336 | } |
---|
1337 | } |
---|
1338 | |
---|
1339 | bool needRange = false; |
---|
1340 | if (range[0] > range[1]) { |
---|
1341 | range[0] = 0.0; |
---|
1342 | range[1] = 1.0; |
---|
1343 | needRange = true; |
---|
1344 | } |
---|
1345 | |
---|
1346 | switch (legendType) { |
---|
1347 | case LEGEND_VECTOR_MAGNITUDE: |
---|
1348 | if (needRange) { |
---|
1349 | if (cumulative) { |
---|
1350 | getCumulativeDataRange(range, fieldName, type, 3); |
---|
1351 | } else if (dataSet != NULL) { |
---|
1352 | dataSet->getDataRange(range, fieldName, type); |
---|
1353 | } |
---|
1354 | } |
---|
1355 | |
---|
1356 | lut->SetRange(range); |
---|
1357 | |
---|
1358 | if (title.empty() && dataSet != NULL) { |
---|
1359 | if (fieldName != NULL) { |
---|
1360 | title = fieldName; |
---|
1361 | title.append("(mag)"); |
---|
1362 | } |
---|
1363 | } |
---|
1364 | break; |
---|
1365 | case LEGEND_VECTOR_X: |
---|
1366 | if (needRange) { |
---|
1367 | if (cumulative) { |
---|
1368 | getCumulativeDataRange(range, fieldName, type, 3, 0); |
---|
1369 | } else if (dataSet != NULL) { |
---|
1370 | dataSet->getDataRange(range, fieldName, type, 0); |
---|
1371 | } |
---|
1372 | } |
---|
1373 | |
---|
1374 | lut->SetRange(range); |
---|
1375 | |
---|
1376 | if (title.empty() && dataSet != NULL) { |
---|
1377 | if (fieldName != NULL) { |
---|
1378 | title = fieldName; |
---|
1379 | title.append("(x)"); |
---|
1380 | } |
---|
1381 | } |
---|
1382 | break; |
---|
1383 | case LEGEND_VECTOR_Y: |
---|
1384 | if (needRange) { |
---|
1385 | if (cumulative) { |
---|
1386 | getCumulativeDataRange(range, fieldName, type, 3, 1); |
---|
1387 | } else if (dataSet != NULL) { |
---|
1388 | dataSet->getDataRange(range, fieldName, type, 1); |
---|
1389 | } |
---|
1390 | } |
---|
1391 | |
---|
1392 | lut->SetRange(range); |
---|
1393 | |
---|
1394 | if (title.empty() && dataSet != NULL) { |
---|
1395 | if (fieldName != NULL) { |
---|
1396 | title = fieldName; |
---|
1397 | title.append("(y)"); |
---|
1398 | } |
---|
1399 | } |
---|
1400 | break; |
---|
1401 | case LEGEND_VECTOR_Z: |
---|
1402 | if (needRange) { |
---|
1403 | if (cumulative) { |
---|
1404 | getCumulativeDataRange(range, fieldName, type, 3, 2); |
---|
1405 | } else if (dataSet != NULL) { |
---|
1406 | dataSet->getDataRange(range, fieldName, type, 1); |
---|
1407 | } |
---|
1408 | } |
---|
1409 | |
---|
1410 | lut->SetRange(range); |
---|
1411 | |
---|
1412 | if (title.empty() && dataSet != NULL) { |
---|
1413 | if (fieldName != NULL) { |
---|
1414 | title = fieldName; |
---|
1415 | title.append("(z)"); |
---|
1416 | } |
---|
1417 | } |
---|
1418 | break; |
---|
1419 | case LEGEND_SCALAR: |
---|
1420 | default: |
---|
1421 | if (needRange) { |
---|
1422 | if (cumulative) { |
---|
1423 | getCumulativeDataRange(range, fieldName, type, 1); |
---|
1424 | } else if (dataSet != NULL) { |
---|
1425 | dataSet->getDataRange(range, fieldName, type); |
---|
1426 | } |
---|
1427 | } |
---|
1428 | |
---|
1429 | lut->SetRange(range); |
---|
1430 | |
---|
1431 | if (title.empty() && dataSet != NULL) { |
---|
1432 | if (fieldName != NULL) |
---|
1433 | title = fieldName; |
---|
1434 | } |
---|
1435 | break; |
---|
1436 | } |
---|
1437 | |
---|
1438 | _scalarBarActor->SetLookupTable(lut); |
---|
1439 | |
---|
1440 | if (drawTitle) { |
---|
1441 | _scalarBarActor->SetTitle(title.c_str()); |
---|
1442 | } else { |
---|
1443 | _scalarBarActor->SetTitle(""); |
---|
1444 | } |
---|
1445 | _scalarBarActor->GetTitleTextProperty()->ItalicOff(); |
---|
1446 | _scalarBarActor->SetNumberOfLabels(numLabels); |
---|
1447 | _scalarBarActor->GetLabelTextProperty()->BoldOff(); |
---|
1448 | _scalarBarActor->GetLabelTextProperty()->ItalicOff(); |
---|
1449 | _scalarBarActor->GetLabelTextProperty()->ShadowOff(); |
---|
1450 | |
---|
1451 | _legendRenderWindow->Render(); |
---|
1452 | |
---|
1453 | #ifdef RENDER_TARGA |
---|
1454 | _legendRenderWindow->MakeCurrent(); |
---|
1455 | // Must clear previous errors first. |
---|
1456 | while (glGetError() != GL_NO_ERROR){ |
---|
1457 | ; |
---|
1458 | } |
---|
1459 | int bytesPerPixel = TARGA_BYTES_PER_PIXEL; |
---|
1460 | int size = bytesPerPixel * width * height; |
---|
1461 | |
---|
1462 | if (imgData->GetMaxId() + 1 != size) |
---|
1463 | { |
---|
1464 | imgData->SetNumberOfComponents(bytesPerPixel); |
---|
1465 | imgData->SetNumberOfValues(size); |
---|
1466 | } |
---|
1467 | glDisable(GL_TEXTURE_2D); |
---|
1468 | if (_legendRenderWindow->GetDoubleBuffer()) { |
---|
1469 | glReadBuffer(static_cast<GLenum>(vtkOpenGLRenderWindow::SafeDownCast(_legendRenderWindow)->GetBackLeftBuffer())); |
---|
1470 | } else { |
---|
1471 | glReadBuffer(static_cast<GLenum>(vtkOpenGLRenderWindow::SafeDownCast(_legendRenderWindow)->GetFrontLeftBuffer())); |
---|
1472 | } |
---|
1473 | glPixelStorei(GL_PACK_ALIGNMENT, 1); |
---|
1474 | if (bytesPerPixel == 4) { |
---|
1475 | glReadPixels(0, 0, width, height, GL_BGRA, |
---|
1476 | GL_UNSIGNED_BYTE, imgData->GetPointer(0)); |
---|
1477 | } else { |
---|
1478 | glReadPixels(0, 0, width, height, GL_BGR, |
---|
1479 | GL_UNSIGNED_BYTE, imgData->GetPointer(0)); |
---|
1480 | } |
---|
1481 | if (glGetError() != GL_NO_ERROR) { |
---|
1482 | ERROR("glReadPixels"); |
---|
1483 | } |
---|
1484 | #else |
---|
1485 | _legendRenderWindow->GetPixelData(0, 0, width-1, height-1, |
---|
1486 | !_legendRenderWindow->GetDoubleBuffer(), |
---|
1487 | imgData); |
---|
1488 | #endif |
---|
1489 | TRACE("Leave"); |
---|
1490 | return true; |
---|
1491 | } |
---|
1492 | |
---|
1493 | /** |
---|
1494 | * \brief Set camera FOV based on render window height |
---|
1495 | * |
---|
1496 | * Computes a field-of-view angle based on some assumptions about |
---|
1497 | * viewer's distance to screen and pixel density |
---|
1498 | */ |
---|
1499 | void Renderer::setViewAngle(int height) |
---|
1500 | { |
---|
1501 | // Distance of eyes from screen in inches |
---|
1502 | double d = 20.0; |
---|
1503 | // Assume 72 ppi screen |
---|
1504 | double h = (double)height / 72.0; |
---|
1505 | |
---|
1506 | double angle = vtkMath::DegreesFromRadians(2.0 * atan((h/2.0)/d)); |
---|
1507 | _renderer->GetActiveCamera()->SetViewAngle(angle); |
---|
1508 | |
---|
1509 | TRACE("Setting view angle: %g", angle); |
---|
1510 | } |
---|
1511 | |
---|
1512 | /** |
---|
1513 | * \brief Resize the render window (image size for renderings) |
---|
1514 | */ |
---|
1515 | void Renderer::setWindowSize(int width, int height) |
---|
1516 | { |
---|
1517 | if (_windowWidth == width && |
---|
1518 | _windowHeight == height) { |
---|
1519 | TRACE("No change"); |
---|
1520 | return; |
---|
1521 | } |
---|
1522 | |
---|
1523 | TRACE("Setting window size to %dx%d", width, height); |
---|
1524 | |
---|
1525 | //setViewAngle(height); |
---|
1526 | |
---|
1527 | // FIXME: Fix up panning on aspect change |
---|
1528 | #ifdef notdef |
---|
1529 | if (_cameraPan[0] != 0.0) { |
---|
1530 | _cameraPan[0] *= ((double)_windowWidth / width); |
---|
1531 | } |
---|
1532 | if (_cameraPan[1] != 0.0) { |
---|
1533 | _cameraPan[1] *= ((double)_windowHeight / height); |
---|
1534 | } |
---|
1535 | #endif |
---|
1536 | _windowWidth = width; |
---|
1537 | _windowHeight = height; |
---|
1538 | _renderWindow->SetSize(_windowWidth, _windowHeight); |
---|
1539 | if (_cameraMode == IMAGE) { |
---|
1540 | setCameraZoomRegion(_imgWorldOrigin[0], _imgWorldOrigin[1], |
---|
1541 | _imgWorldDims[0], _imgWorldDims[1]); |
---|
1542 | } |
---|
1543 | _needsRedraw = true; |
---|
1544 | } |
---|
1545 | |
---|
1546 | /** |
---|
1547 | * \brief Change the camera type: perspective, orthographic or image view |
---|
1548 | * |
---|
1549 | * Perspective mode is a normal 3D camera. |
---|
1550 | * |
---|
1551 | * Orthogrphic mode is parallel projection. |
---|
1552 | * |
---|
1553 | * Image mode is an orthographic camera with fixed axes and a clipping region |
---|
1554 | * around the plot area, use setCameraZoomRegion to control the displayed area |
---|
1555 | * |
---|
1556 | * \param[in] mode Enum specifying camera type |
---|
1557 | */ |
---|
1558 | void Renderer::setCameraMode(CameraMode mode) |
---|
1559 | { |
---|
1560 | if (_cameraMode == mode) return; |
---|
1561 | |
---|
1562 | CameraMode origMode = _cameraMode; |
---|
1563 | _cameraMode = mode; |
---|
1564 | resetAxes(); |
---|
1565 | |
---|
1566 | vtkSmartPointer<vtkCamera> camera = _renderer->GetActiveCamera(); |
---|
1567 | switch (mode) { |
---|
1568 | case ORTHO: { |
---|
1569 | TRACE("Set camera to Ortho mode"); |
---|
1570 | camera->ParallelProjectionOn(); |
---|
1571 | if (origMode == IMAGE) { |
---|
1572 | resetCamera(true); |
---|
1573 | } |
---|
1574 | break; |
---|
1575 | } |
---|
1576 | case PERSPECTIVE: { |
---|
1577 | TRACE("Set camera to Perspective mode"); |
---|
1578 | camera->ParallelProjectionOff(); |
---|
1579 | if (origMode == IMAGE) { |
---|
1580 | resetCamera(true); |
---|
1581 | } |
---|
1582 | break; |
---|
1583 | } |
---|
1584 | case IMAGE: { |
---|
1585 | camera->ParallelProjectionOn(); |
---|
1586 | setCameraZoomRegion(_imgWorldOrigin[0], _imgWorldOrigin[1], |
---|
1587 | _imgWorldDims[0],_imgWorldDims[1]); |
---|
1588 | TRACE("Set camera to Image mode"); |
---|
1589 | break; |
---|
1590 | } |
---|
1591 | default: |
---|
1592 | ERROR("Unkown camera mode: %d", mode); |
---|
1593 | } |
---|
1594 | _needsRedraw = true; |
---|
1595 | } |
---|
1596 | |
---|
1597 | /** |
---|
1598 | * \brief Get the current camera mode |
---|
1599 | */ |
---|
1600 | Renderer::CameraMode Renderer::getCameraMode() const |
---|
1601 | { |
---|
1602 | return _cameraMode; |
---|
1603 | } |
---|
1604 | |
---|
1605 | /** |
---|
1606 | * \brief Set the VTK camera parameters based on a 4x4 view matrix |
---|
1607 | */ |
---|
1608 | void Renderer::setCameraFromMatrix(vtkCamera *camera, vtkMatrix4x4& mat) |
---|
1609 | { |
---|
1610 | double d = camera->GetDistance(); |
---|
1611 | double vu[3]; |
---|
1612 | vu[0] = mat[1][0]; |
---|
1613 | vu[1] = mat[1][1]; |
---|
1614 | vu[2] = mat[1][2]; |
---|
1615 | double trans[3]; |
---|
1616 | trans[0] = mat[0][3]; |
---|
1617 | trans[1] = mat[1][3]; |
---|
1618 | trans[2] = mat[2][3]; |
---|
1619 | mat[0][3] = 0; |
---|
1620 | mat[1][3] = 0; |
---|
1621 | mat[2][3] = 0; |
---|
1622 | double vpn[3] = {mat[2][0], mat[2][1], mat[2][2]}; |
---|
1623 | double pos[3]; |
---|
1624 | // With translation removed, we have an orthogonal matrix, |
---|
1625 | // so the inverse is the transpose |
---|
1626 | mat.Transpose(); |
---|
1627 | mat.MultiplyPoint(trans, pos); |
---|
1628 | pos[0] = -pos[0]; |
---|
1629 | pos[1] = -pos[1]; |
---|
1630 | pos[2] = -pos[2]; |
---|
1631 | double fp[3]; |
---|
1632 | fp[0] = pos[0] - vpn[0] * d; |
---|
1633 | fp[1] = pos[1] - vpn[1] * d; |
---|
1634 | fp[2] = pos[2] - vpn[2] * d; |
---|
1635 | camera->SetPosition(pos); |
---|
1636 | camera->SetFocalPoint(fp); |
---|
1637 | camera->SetViewUp(vu); |
---|
1638 | } |
---|
1639 | |
---|
1640 | /** |
---|
1641 | * \brief Set the orientation of the camera from a quaternion |
---|
1642 | * rotation |
---|
1643 | * |
---|
1644 | * \param[in] quat A quaternion with scalar part first: w,x,y,z |
---|
1645 | * \param[in] absolute Is rotation absolute or relative? |
---|
1646 | */ |
---|
1647 | void Renderer::setCameraOrientation(const double quat[4], bool absolute) |
---|
1648 | { |
---|
1649 | if (_cameraMode == IMAGE) |
---|
1650 | return; |
---|
1651 | vtkSmartPointer<vtkCamera> camera = _renderer->GetActiveCamera(); |
---|
1652 | vtkSmartPointer<vtkTransform> trans = vtkSmartPointer<vtkTransform>::New(); |
---|
1653 | vtkSmartPointer<vtkMatrix4x4> rotMat = vtkSmartPointer<vtkMatrix4x4>::New(); |
---|
1654 | |
---|
1655 | double q[4]; |
---|
1656 | copyQuat(quat, q); |
---|
1657 | |
---|
1658 | if (absolute) { |
---|
1659 | double abs[4]; |
---|
1660 | // Save absolute rotation |
---|
1661 | copyQuat(q, abs); |
---|
1662 | // Compute relative rotation |
---|
1663 | quatMult(quatReciprocal(_cameraOrientation), q, q); |
---|
1664 | // Store absolute rotation |
---|
1665 | copyQuat(abs, _cameraOrientation); |
---|
1666 | } else { |
---|
1667 | // Compute new absolute rotation |
---|
1668 | quatMult(_cameraOrientation, q, _cameraOrientation); |
---|
1669 | } |
---|
1670 | |
---|
1671 | quaternionToTransposeMatrix4x4(q, *rotMat); |
---|
1672 | #ifdef DEBUG |
---|
1673 | TRACE("Rotation matrix:\n %g %g %g\n %g %g %g\n %g %g %g", |
---|
1674 | (*rotMat)[0][0], (*rotMat)[0][1], (*rotMat)[0][2], |
---|
1675 | (*rotMat)[1][0], (*rotMat)[1][1], (*rotMat)[1][2], |
---|
1676 | (*rotMat)[2][0], (*rotMat)[2][1], (*rotMat)[2][2]); |
---|
1677 | vtkSmartPointer<vtkMatrix4x4> camMat = vtkSmartPointer<vtkMatrix4x4>::New(); |
---|
1678 | camMat->DeepCopy(camera->GetViewTransformMatrix()); |
---|
1679 | TRACE("Camera matrix:\n %g %g %g %g\n %g %g %g %g\n %g %g %g %g\n %g %g %g %g", |
---|
1680 | (*camMat)[0][0], (*camMat)[0][1], (*camMat)[0][2], (*camMat)[0][3], |
---|
1681 | (*camMat)[1][0], (*camMat)[1][1], (*camMat)[1][2], (*camMat)[1][3], |
---|
1682 | (*camMat)[2][0], (*camMat)[2][1], (*camMat)[2][2], (*camMat)[2][3], |
---|
1683 | (*camMat)[3][0], (*camMat)[3][1], (*camMat)[3][2], (*camMat)[3][3]); |
---|
1684 | printCameraInfo(camera); |
---|
1685 | #endif |
---|
1686 | trans->Translate(0, 0, -camera->GetDistance()); |
---|
1687 | trans->Concatenate(rotMat); |
---|
1688 | trans->Translate(0, 0, camera->GetDistance()); |
---|
1689 | trans->Concatenate(camera->GetViewTransformMatrix()); |
---|
1690 | setCameraFromMatrix(camera, *trans->GetMatrix()); |
---|
1691 | |
---|
1692 | _renderer->ResetCameraClippingRange(); |
---|
1693 | printCameraInfo(camera); |
---|
1694 | _needsRedraw = true; |
---|
1695 | } |
---|
1696 | |
---|
1697 | /** |
---|
1698 | * \brief Set the position and orientation of the camera |
---|
1699 | * |
---|
1700 | * \param[in] position x,y,z position of camera in world coordinates |
---|
1701 | * \param[in] focalPoint x,y,z look-at point in world coordinates |
---|
1702 | * \param[in] viewUp x,y,z up vector of camera |
---|
1703 | */ |
---|
1704 | void Renderer::setCameraOrientationAndPosition(const double position[3], |
---|
1705 | const double focalPoint[3], |
---|
1706 | const double viewUp[3]) |
---|
1707 | { |
---|
1708 | vtkSmartPointer<vtkCamera> camera = _renderer->GetActiveCamera(); |
---|
1709 | camera->SetPosition(position); |
---|
1710 | camera->SetFocalPoint(focalPoint); |
---|
1711 | camera->SetViewUp(viewUp); |
---|
1712 | _renderer->ResetCameraClippingRange(); |
---|
1713 | _needsRedraw = true; |
---|
1714 | } |
---|
1715 | |
---|
1716 | /** |
---|
1717 | * \brief Get the position and orientation of the camera |
---|
1718 | * |
---|
1719 | * \param[out] position x,y,z position of camera in world coordinates |
---|
1720 | * \param[out] focalPoint x,y,z look-at point in world coordinates |
---|
1721 | * \param[out] viewUp x,y,z up vector of camera |
---|
1722 | */ |
---|
1723 | void Renderer::getCameraOrientationAndPosition(double position[3], |
---|
1724 | double focalPoint[3], |
---|
1725 | double viewUp[3]) |
---|
1726 | { |
---|
1727 | vtkSmartPointer<vtkCamera> camera = _renderer->GetActiveCamera(); |
---|
1728 | camera->GetPosition(position); |
---|
1729 | camera->GetFocalPoint(focalPoint); |
---|
1730 | camera->GetViewUp(viewUp); |
---|
1731 | } |
---|
1732 | |
---|
1733 | /** |
---|
1734 | * \brief Reset pan, zoom, clipping planes and optionally rotation |
---|
1735 | * |
---|
1736 | * \param[in] resetOrientation Reset the camera rotation/orientation also |
---|
1737 | */ |
---|
1738 | void Renderer::resetCamera(bool resetOrientation) |
---|
1739 | { |
---|
1740 | vtkSmartPointer<vtkCamera> camera = _renderer->GetActiveCamera(); |
---|
1741 | if (_cameraMode == IMAGE) { |
---|
1742 | initCamera(); |
---|
1743 | } else { |
---|
1744 | if (resetOrientation) { |
---|
1745 | camera->SetPosition(0, 0, 1); |
---|
1746 | camera->SetFocalPoint(0, 0, 0); |
---|
1747 | camera->SetViewUp(0, 1, 0); |
---|
1748 | _cameraOrientation[0] = 1.0; |
---|
1749 | _cameraOrientation[1] = 0.0; |
---|
1750 | _cameraOrientation[2] = 0.0; |
---|
1751 | _cameraOrientation[3] = 0.0; |
---|
1752 | } |
---|
1753 | //setViewAngle(_windowHeight); |
---|
1754 | double bounds[6]; |
---|
1755 | collectBounds(bounds, false); |
---|
1756 | _renderer->ResetCamera(bounds); |
---|
1757 | _renderer->ResetCameraClippingRange(); |
---|
1758 | //computeScreenWorldCoords(); |
---|
1759 | } |
---|
1760 | |
---|
1761 | printCameraInfo(camera); |
---|
1762 | |
---|
1763 | _cameraZoomRatio = 1; |
---|
1764 | _cameraPan[0] = 0; |
---|
1765 | _cameraPan[1] = 0; |
---|
1766 | |
---|
1767 | _needsRedraw = true; |
---|
1768 | } |
---|
1769 | |
---|
1770 | void Renderer::resetCameraClippingRange() |
---|
1771 | { |
---|
1772 | _renderer->ResetCameraClippingRange(); |
---|
1773 | } |
---|
1774 | |
---|
1775 | /** |
---|
1776 | * \brief Perform a relative rotation to current camera orientation |
---|
1777 | * |
---|
1778 | * Angles are in degrees, rotation is about focal point |
---|
1779 | */ |
---|
1780 | void Renderer::rotateCamera(double yaw, double pitch, double roll) |
---|
1781 | { |
---|
1782 | if (_cameraMode == IMAGE) |
---|
1783 | return; |
---|
1784 | vtkSmartPointer<vtkCamera> camera = _renderer->GetActiveCamera(); |
---|
1785 | camera->Azimuth(yaw); // Rotate about object |
---|
1786 | //camera->SetYaw(yaw); // Rotate about camera |
---|
1787 | camera->Elevation(pitch); // Rotate about object |
---|
1788 | //camera->SetPitch(pitch); // Rotate about camera |
---|
1789 | camera->Roll(roll); // Roll about camera view axis |
---|
1790 | _renderer->ResetCameraClippingRange(); |
---|
1791 | //computeScreenWorldCoords(); |
---|
1792 | _needsRedraw = true; |
---|
1793 | } |
---|
1794 | |
---|
1795 | /** |
---|
1796 | * \brief Perform a 2D translation of the camera |
---|
1797 | * |
---|
1798 | * x,y pan amount are specified as signed absolute pan amount in viewport |
---|
1799 | * units -- i.e. 0 is no pan, .5 is half the viewport, 2 is twice the viewport, |
---|
1800 | * etc. |
---|
1801 | * |
---|
1802 | * \param[in] x Viewport coordinate horizontal panning (positive number pans |
---|
1803 | * camera left, object right) |
---|
1804 | * \param[in] y Viewport coordinate vertical panning (positive number pans |
---|
1805 | * camera up, object down) |
---|
1806 | * \param[in] absolute Control if pan amount is relative to current or absolute |
---|
1807 | */ |
---|
1808 | void Renderer::panCamera(double x, double y, bool absolute) |
---|
1809 | { |
---|
1810 | TRACE("Enter panCamera: %g %g, current abs: %g %g", |
---|
1811 | x, y, _cameraPan[0], _cameraPan[1]); |
---|
1812 | |
---|
1813 | if (_cameraMode == IMAGE) { |
---|
1814 | // Reverse x rather than y, since we are panning the camera, and client |
---|
1815 | // expects to be panning/moving the object |
---|
1816 | x = -x * _screenWorldCoords[2]; |
---|
1817 | y = y * _screenWorldCoords[3]; |
---|
1818 | |
---|
1819 | if (absolute) { |
---|
1820 | double panAbs[2]; |
---|
1821 | panAbs[0] = x; |
---|
1822 | panAbs[1] = y; |
---|
1823 | x -= _cameraPan[0]; |
---|
1824 | y -= _cameraPan[1]; |
---|
1825 | _cameraPan[0] = panAbs[0]; |
---|
1826 | _cameraPan[1] = panAbs[1]; |
---|
1827 | } else { |
---|
1828 | _cameraPan[0] += x; |
---|
1829 | _cameraPan[1] += y; |
---|
1830 | } |
---|
1831 | |
---|
1832 | _imgWorldOrigin[0] += x; |
---|
1833 | _imgWorldOrigin[1] += y; |
---|
1834 | setCameraZoomRegion(_imgWorldOrigin[0], _imgWorldOrigin[1], |
---|
1835 | _imgWorldDims[0], _imgWorldDims[1]); |
---|
1836 | } else { |
---|
1837 | y = -y; |
---|
1838 | if (absolute) { |
---|
1839 | double panAbs[2]; |
---|
1840 | panAbs[0] = x; |
---|
1841 | panAbs[1] = y; |
---|
1842 | x -= _cameraPan[0]; |
---|
1843 | y -= _cameraPan[1]; |
---|
1844 | _cameraPan[0] = panAbs[0]; |
---|
1845 | _cameraPan[1] = panAbs[1]; |
---|
1846 | } else { |
---|
1847 | _cameraPan[0] += x; |
---|
1848 | _cameraPan[1] += y; |
---|
1849 | } |
---|
1850 | |
---|
1851 | if (x != 0.0 || y != 0.0) { |
---|
1852 | vtkSmartPointer<vtkCamera> camera = _renderer->GetActiveCamera(); |
---|
1853 | double viewFocus[4], focalDepth, viewPoint[3]; |
---|
1854 | double newPickPoint[4], oldPickPoint[4], motionVector[3]; |
---|
1855 | |
---|
1856 | camera->GetFocalPoint(viewFocus); |
---|
1857 | computeWorldToDisplay(viewFocus[0], viewFocus[1], viewFocus[2], |
---|
1858 | viewFocus); |
---|
1859 | focalDepth = viewFocus[2]; |
---|
1860 | |
---|
1861 | computeDisplayToWorld(( x * 2. + 1.) * _windowWidth / 2.0, |
---|
1862 | ( y * 2. + 1.) * _windowHeight / 2.0, |
---|
1863 | focalDepth, |
---|
1864 | newPickPoint); |
---|
1865 | |
---|
1866 | computeDisplayToWorld(_windowWidth / 2.0, |
---|
1867 | _windowHeight / 2.0, |
---|
1868 | focalDepth, |
---|
1869 | oldPickPoint); |
---|
1870 | |
---|
1871 | // Camera motion is reversed |
---|
1872 | motionVector[0] = oldPickPoint[0] - newPickPoint[0]; |
---|
1873 | motionVector[1] = oldPickPoint[1] - newPickPoint[1]; |
---|
1874 | motionVector[2] = oldPickPoint[2] - newPickPoint[2]; |
---|
1875 | |
---|
1876 | camera->GetFocalPoint(viewFocus); |
---|
1877 | camera->GetPosition(viewPoint); |
---|
1878 | camera->SetFocalPoint(motionVector[0] + viewFocus[0], |
---|
1879 | motionVector[1] + viewFocus[1], |
---|
1880 | motionVector[2] + viewFocus[2]); |
---|
1881 | |
---|
1882 | camera->SetPosition(motionVector[0] + viewPoint[0], |
---|
1883 | motionVector[1] + viewPoint[1], |
---|
1884 | motionVector[2] + viewPoint[2]); |
---|
1885 | |
---|
1886 | _renderer->ResetCameraClippingRange(); |
---|
1887 | //computeScreenWorldCoords(); |
---|
1888 | } |
---|
1889 | } |
---|
1890 | |
---|
1891 | TRACE("Leave panCamera: %g %g, current abs: %g %g", |
---|
1892 | x, y, _cameraPan[0], _cameraPan[1]); |
---|
1893 | |
---|
1894 | _needsRedraw = true; |
---|
1895 | } |
---|
1896 | |
---|
1897 | /** |
---|
1898 | * \brief Dolly camera or set orthographic scaling based on camera type |
---|
1899 | * |
---|
1900 | * \param[in] z Ratio to change zoom (greater than 1 is zoom in, less than 1 is zoom out) |
---|
1901 | * \param[in] absolute Control if zoom factor is relative to current setting or absolute |
---|
1902 | */ |
---|
1903 | void Renderer::zoomCamera(double z, bool absolute) |
---|
1904 | { |
---|
1905 | vtkSmartPointer<vtkCamera> camera = _renderer->GetActiveCamera(); |
---|
1906 | TRACE("Enter Zoom: current abs: %g, z: %g, view angle %g", |
---|
1907 | _cameraZoomRatio, z, camera->GetViewAngle()); |
---|
1908 | |
---|
1909 | if (absolute) { |
---|
1910 | assert(_cameraZoomRatio > 0.0); |
---|
1911 | double zAbs = z; |
---|
1912 | z *= 1.0/_cameraZoomRatio; |
---|
1913 | _cameraZoomRatio = zAbs; |
---|
1914 | } else { |
---|
1915 | _cameraZoomRatio *= z; |
---|
1916 | } |
---|
1917 | |
---|
1918 | if (_cameraMode == IMAGE) { |
---|
1919 | double dx = _imgWorldDims[0]; |
---|
1920 | double dy = _imgWorldDims[1]; |
---|
1921 | _imgWorldDims[0] /= z; |
---|
1922 | _imgWorldDims[1] /= z; |
---|
1923 | dx -= _imgWorldDims[0]; |
---|
1924 | dy -= _imgWorldDims[1]; |
---|
1925 | _imgWorldOrigin[0] += dx/2.0; |
---|
1926 | _imgWorldOrigin[1] += dy/2.0; |
---|
1927 | setCameraZoomRegion(_imgWorldOrigin[0], _imgWorldOrigin[1], |
---|
1928 | _imgWorldDims[0], _imgWorldDims[1]); |
---|
1929 | } else { |
---|
1930 | // Keep ortho and perspective modes in sync |
---|
1931 | // Move camera forward/back for perspective camera |
---|
1932 | camera->Dolly(z); |
---|
1933 | // Change ortho parallel scale |
---|
1934 | camera->SetParallelScale(camera->GetParallelScale()/z); |
---|
1935 | _renderer->ResetCameraClippingRange(); |
---|
1936 | //computeScreenWorldCoords(); |
---|
1937 | } |
---|
1938 | |
---|
1939 | TRACE("Leave Zoom: rel %g, new abs: %g, view angle %g", |
---|
1940 | z, _cameraZoomRatio, camera->GetViewAngle()); |
---|
1941 | |
---|
1942 | _needsRedraw = true; |
---|
1943 | } |
---|
1944 | |
---|
1945 | /** |
---|
1946 | * \brief Set the pan/zoom using a corner and dimensions in pixel coordinates |
---|
1947 | * |
---|
1948 | * \param[in] x left pixel coordinate |
---|
1949 | * \param[in] y bottom pixel coordinate (with y=0 at top of window) |
---|
1950 | * \param[in] width Width of zoom region in pixel coordinates |
---|
1951 | * \param[in] height Height of zoom region in pixel coordinates |
---|
1952 | */ |
---|
1953 | void Renderer::setCameraZoomRegionPixels(int x, int y, int width, int height) |
---|
1954 | { |
---|
1955 | double wx, wy, ww, wh; |
---|
1956 | |
---|
1957 | y = _windowHeight - y; |
---|
1958 | double pxToWorldX = _screenWorldCoords[2] / (double)_windowWidth; |
---|
1959 | double pxToWorldY = _screenWorldCoords[3] / (double)_windowHeight; |
---|
1960 | |
---|
1961 | wx = _screenWorldCoords[0] + x * pxToWorldX; |
---|
1962 | wy = _screenWorldCoords[1] + y * pxToWorldY; |
---|
1963 | ww = abs(width) * pxToWorldX; |
---|
1964 | wh = abs(height) * pxToWorldY; |
---|
1965 | setCameraZoomRegion(wx, wy, ww, wh); |
---|
1966 | |
---|
1967 | TRACE("\npx: %d %d %d %d\nworld: %g %g %g %g", |
---|
1968 | x, y, width, height, |
---|
1969 | wx, wy, ww, wh); |
---|
1970 | } |
---|
1971 | |
---|
1972 | /** |
---|
1973 | * \brief Set the pan/zoom using a corner and dimensions in world coordinates |
---|
1974 | * |
---|
1975 | * \param[in] x left world coordinate |
---|
1976 | * \param[in] y bottom world coordinate |
---|
1977 | * \param[in] width Width of zoom region in world coordinates |
---|
1978 | * \param[in] height Height of zoom region in world coordinates |
---|
1979 | */ |
---|
1980 | void Renderer::setCameraZoomRegion(double x, double y, double width, double height) |
---|
1981 | { |
---|
1982 | double camPos[2]; |
---|
1983 | |
---|
1984 | int pxOffsetX = (int)(0.17 * (double)_windowWidth); |
---|
1985 | pxOffsetX = (pxOffsetX > 100 ? 100 : pxOffsetX); |
---|
1986 | int pxOffsetY = (int)(0.15 * (double)_windowHeight); |
---|
1987 | pxOffsetY = (pxOffsetY > 75 ? 75 : pxOffsetY); |
---|
1988 | int outerGutter = (int)(0.03 * (double)_windowWidth); |
---|
1989 | outerGutter = (outerGutter > 15 ? 15 : outerGutter); |
---|
1990 | |
---|
1991 | int imgWidthPx = _windowWidth - pxOffsetX - outerGutter; |
---|
1992 | int imgHeightPx = _windowHeight - pxOffsetY - outerGutter; |
---|
1993 | |
---|
1994 | double imgAspect = width / height; |
---|
1995 | double winAspect = (double)_windowWidth / _windowHeight; |
---|
1996 | |
---|
1997 | double pxToWorld; |
---|
1998 | |
---|
1999 | if (imgAspect >= winAspect) { |
---|
2000 | pxToWorld = width / (double)imgWidthPx; |
---|
2001 | } else { |
---|
2002 | pxToWorld = height / (double)imgHeightPx; |
---|
2003 | } |
---|
2004 | |
---|
2005 | double offsetX = pxOffsetX * pxToWorld; |
---|
2006 | double offsetY = pxOffsetY * pxToWorld; |
---|
2007 | |
---|
2008 | TRACE("Window: %d %d", _windowWidth, _windowHeight); |
---|
2009 | TRACE("ZoomRegion: %g %g %g %g", x, y, width, height); |
---|
2010 | TRACE("pxToWorld: %g", pxToWorld); |
---|
2011 | TRACE("offset: %g %g", offsetX, offsetY); |
---|
2012 | |
---|
2013 | setCameraMode(IMAGE); |
---|
2014 | |
---|
2015 | _imgWorldOrigin[0] = x; |
---|
2016 | _imgWorldOrigin[1] = y; |
---|
2017 | _imgWorldDims[0] = width; |
---|
2018 | _imgWorldDims[1] = height; |
---|
2019 | |
---|
2020 | camPos[0] = _imgWorldOrigin[0] - offsetX + (_windowWidth * pxToWorld)/2.0; |
---|
2021 | camPos[1] = _imgWorldOrigin[1] - offsetY + (_windowHeight * pxToWorld)/2.0; |
---|
2022 | |
---|
2023 | vtkSmartPointer<vtkCamera> camera = _renderer->GetActiveCamera(); |
---|
2024 | camera->ParallelProjectionOn(); |
---|
2025 | camera->SetClippingRange(1, 2); |
---|
2026 | // Half of world coordinate height of viewport (Documentation is wrong) |
---|
2027 | camera->SetParallelScale(_windowHeight * pxToWorld / 2.0); |
---|
2028 | |
---|
2029 | if (_imgCameraPlane == PLANE_XY) { |
---|
2030 | // XY plane |
---|
2031 | camera->SetPosition(camPos[0], camPos[1], _imgCameraOffset + 1.); |
---|
2032 | camera->SetFocalPoint(camPos[0], camPos[1], _imgCameraOffset); |
---|
2033 | camera->SetViewUp(0, 1, 0); |
---|
2034 | // bottom |
---|
2035 | _cameraClipPlanes[0]->SetOrigin(0, _imgWorldOrigin[1], 0); |
---|
2036 | _cameraClipPlanes[0]->SetNormal(0, 1, 0); |
---|
2037 | // left |
---|
2038 | _cameraClipPlanes[1]->SetOrigin(_imgWorldOrigin[0], 0, 0); |
---|
2039 | _cameraClipPlanes[1]->SetNormal(1, 0, 0); |
---|
2040 | // top |
---|
2041 | _cameraClipPlanes[2]->SetOrigin(0, _imgWorldOrigin[1] + _imgWorldDims[1], 0); |
---|
2042 | _cameraClipPlanes[2]->SetNormal(0, -1, 0); |
---|
2043 | // right |
---|
2044 | _cameraClipPlanes[3]->SetOrigin(_imgWorldOrigin[0] + _imgWorldDims[0], 0, 0); |
---|
2045 | _cameraClipPlanes[3]->SetNormal(-1, 0, 0); |
---|
2046 | _cubeAxesActor2D->SetBounds(_imgWorldOrigin[0], _imgWorldOrigin[0] + _imgWorldDims[0], |
---|
2047 | _imgWorldOrigin[1], _imgWorldOrigin[1] + _imgWorldDims[1], |
---|
2048 | _imgCameraOffset, _imgCameraOffset); |
---|
2049 | _cubeAxesActor2D->XAxisVisibilityOn(); |
---|
2050 | _cubeAxesActor2D->YAxisVisibilityOn(); |
---|
2051 | _cubeAxesActor2D->ZAxisVisibilityOff(); |
---|
2052 | } else if (_imgCameraPlane == PLANE_ZY) { |
---|
2053 | // ZY plane |
---|
2054 | camera->SetPosition(_imgCameraOffset - 1., camPos[1], camPos[0]); |
---|
2055 | camera->SetFocalPoint(_imgCameraOffset, camPos[1], camPos[0]); |
---|
2056 | camera->SetViewUp(0, 1, 0); |
---|
2057 | // bottom |
---|
2058 | _cameraClipPlanes[0]->SetOrigin(0, _imgWorldOrigin[1], 0); |
---|
2059 | _cameraClipPlanes[0]->SetNormal(0, 1, 0); |
---|
2060 | // left |
---|
2061 | _cameraClipPlanes[1]->SetOrigin(0, 0, _imgWorldOrigin[0]); |
---|
2062 | _cameraClipPlanes[1]->SetNormal(0, 0, 1); |
---|
2063 | // top |
---|
2064 | _cameraClipPlanes[2]->SetOrigin(0, _imgWorldOrigin[1] + _imgWorldDims[1], 0); |
---|
2065 | _cameraClipPlanes[2]->SetNormal(0, -1, 0); |
---|
2066 | // right |
---|
2067 | _cameraClipPlanes[3]->SetOrigin(0, 0, _imgWorldOrigin[0] + _imgWorldDims[0]); |
---|
2068 | _cameraClipPlanes[3]->SetNormal(0, 0, -1); |
---|
2069 | _cubeAxesActor2D->SetBounds(_imgCameraOffset, _imgCameraOffset, |
---|
2070 | _imgWorldOrigin[1], _imgWorldOrigin[1] + _imgWorldDims[1], |
---|
2071 | _imgWorldOrigin[0], _imgWorldOrigin[0] + _imgWorldDims[0]); |
---|
2072 | _cubeAxesActor2D->XAxisVisibilityOff(); |
---|
2073 | _cubeAxesActor2D->YAxisVisibilityOn(); |
---|
2074 | _cubeAxesActor2D->ZAxisVisibilityOn(); |
---|
2075 | } else { |
---|
2076 | // XZ plane |
---|
2077 | camera->SetPosition(camPos[0], _imgCameraOffset - 1., camPos[1]); |
---|
2078 | camera->SetFocalPoint(camPos[0], _imgCameraOffset, camPos[1]); |
---|
2079 | camera->SetViewUp(0, 0, 1); |
---|
2080 | // bottom |
---|
2081 | _cameraClipPlanes[0]->SetOrigin(0, 0, _imgWorldOrigin[1]); |
---|
2082 | _cameraClipPlanes[0]->SetNormal(0, 0, 1); |
---|
2083 | // left |
---|
2084 | _cameraClipPlanes[1]->SetOrigin(_imgWorldOrigin[0], 0, 0); |
---|
2085 | _cameraClipPlanes[1]->SetNormal(1, 0, 0); |
---|
2086 | // top |
---|
2087 | _cameraClipPlanes[2]->SetOrigin(0, 0, _imgWorldOrigin[1] + _imgWorldDims[1]); |
---|
2088 | _cameraClipPlanes[2]->SetNormal(0, 0, -1); |
---|
2089 | // right |
---|
2090 | _cameraClipPlanes[3]->SetOrigin(_imgWorldOrigin[0] + _imgWorldDims[0], 0, 0); |
---|
2091 | _cameraClipPlanes[3]->SetNormal(-1, 0, 0); |
---|
2092 | _cubeAxesActor2D->SetBounds(_imgWorldOrigin[0], _imgWorldOrigin[0] + _imgWorldDims[0], |
---|
2093 | _imgCameraOffset, _imgCameraOffset, |
---|
2094 | _imgWorldOrigin[1], _imgWorldOrigin[1] + _imgWorldDims[1]); |
---|
2095 | _cubeAxesActor2D->XAxisVisibilityOn(); |
---|
2096 | _cubeAxesActor2D->YAxisVisibilityOff(); |
---|
2097 | _cubeAxesActor2D->ZAxisVisibilityOn(); |
---|
2098 | } |
---|
2099 | |
---|
2100 | // Compute screen world coordinates |
---|
2101 | computeScreenWorldCoords(); |
---|
2102 | |
---|
2103 | #ifdef DEBUG |
---|
2104 | printCameraInfo(camera); |
---|
2105 | #endif |
---|
2106 | |
---|
2107 | _needsRedraw = true; |
---|
2108 | } |
---|
2109 | |
---|
2110 | /** |
---|
2111 | * \brief Convert pixel/display coordinates to world coordinates based on current camera |
---|
2112 | */ |
---|
2113 | void Renderer::computeDisplayToWorld(double x, double y, double z, double worldPt[4]) |
---|
2114 | { |
---|
2115 | _renderer->SetDisplayPoint(x, y, z); |
---|
2116 | _renderer->DisplayToWorld(); |
---|
2117 | _renderer->GetWorldPoint(worldPt); |
---|
2118 | if (worldPt[3]) { |
---|
2119 | worldPt[0] /= worldPt[3]; |
---|
2120 | worldPt[1] /= worldPt[3]; |
---|
2121 | worldPt[2] /= worldPt[3]; |
---|
2122 | worldPt[3] = 1.0; |
---|
2123 | } |
---|
2124 | } |
---|
2125 | |
---|
2126 | /** |
---|
2127 | * \brief Convert world coordinates to pixel/display coordinates based on current camera |
---|
2128 | */ |
---|
2129 | void Renderer::computeWorldToDisplay(double x, double y, double z, double displayPt[3]) |
---|
2130 | { |
---|
2131 | _renderer->SetWorldPoint(x, y, z, 1.0); |
---|
2132 | _renderer->WorldToDisplay(); |
---|
2133 | _renderer->GetDisplayPoint(displayPt); |
---|
2134 | } |
---|
2135 | |
---|
2136 | /** |
---|
2137 | * \brief Compute the world coordinate bounds of the display rectangle |
---|
2138 | */ |
---|
2139 | void Renderer::computeScreenWorldCoords() |
---|
2140 | { |
---|
2141 | // Start with viewport coords [-1,1] |
---|
2142 | double x0 = -1; |
---|
2143 | double y0 = -1; |
---|
2144 | double z0 = -1; |
---|
2145 | double x1 = 1; |
---|
2146 | double y1 = 1; |
---|
2147 | double z1 = -1; |
---|
2148 | |
---|
2149 | vtkMatrix4x4 *mat = vtkMatrix4x4::New(); |
---|
2150 | double result[4]; |
---|
2151 | |
---|
2152 | // get the perspective transformation from the active camera |
---|
2153 | mat->DeepCopy(_renderer->GetActiveCamera()-> |
---|
2154 | GetCompositeProjectionTransformMatrix(_renderer->GetTiledAspectRatio(),0,1)); |
---|
2155 | |
---|
2156 | // use the inverse matrix |
---|
2157 | mat->Invert(); |
---|
2158 | |
---|
2159 | // Transform point to world coordinates |
---|
2160 | result[0] = x0; |
---|
2161 | result[1] = y0; |
---|
2162 | result[2] = z0; |
---|
2163 | result[3] = 1.0; |
---|
2164 | |
---|
2165 | mat->MultiplyPoint(result, result); |
---|
2166 | |
---|
2167 | // Get the transformed vector & set WorldPoint |
---|
2168 | // while we are at it try to keep w at one |
---|
2169 | if (result[3]) { |
---|
2170 | x0 = result[0] / result[3]; |
---|
2171 | y0 = result[1] / result[3]; |
---|
2172 | z0 = result[2] / result[3]; |
---|
2173 | } |
---|
2174 | |
---|
2175 | result[0] = x1; |
---|
2176 | result[1] = y1; |
---|
2177 | result[2] = z1; |
---|
2178 | result[3] = 1.0; |
---|
2179 | |
---|
2180 | mat->MultiplyPoint(result, result); |
---|
2181 | |
---|
2182 | if (result[3]) { |
---|
2183 | x1 = result[0] / result[3]; |
---|
2184 | y1 = result[1] / result[3]; |
---|
2185 | z1 = result[2] / result[3]; |
---|
2186 | } |
---|
2187 | |
---|
2188 | mat->Delete(); |
---|
2189 | |
---|
2190 | if (_imgCameraPlane == PLANE_XZ) { |
---|
2191 | _screenWorldCoords[0] = x0; |
---|
2192 | _screenWorldCoords[1] = z0; |
---|
2193 | _screenWorldCoords[2] = x1 - x0; |
---|
2194 | _screenWorldCoords[3] = z1 - z0; |
---|
2195 | } else if (_imgCameraPlane == PLANE_ZY) { |
---|
2196 | _screenWorldCoords[0] = z0; |
---|
2197 | _screenWorldCoords[1] = y0; |
---|
2198 | _screenWorldCoords[2] = z1 - z0; |
---|
2199 | _screenWorldCoords[3] = y1 - y0; |
---|
2200 | } else { |
---|
2201 | // XY |
---|
2202 | _screenWorldCoords[0] = x0; |
---|
2203 | _screenWorldCoords[1] = y0; |
---|
2204 | _screenWorldCoords[2] = x1 - x0; |
---|
2205 | _screenWorldCoords[3] = y1 - y0; |
---|
2206 | } |
---|
2207 | } |
---|
2208 | |
---|
2209 | /** |
---|
2210 | * \brief Get the world coordinates of the image camera plot area |
---|
2211 | * |
---|
2212 | * \param[out] xywh Array to hold x,y,width,height world coordinates |
---|
2213 | */ |
---|
2214 | void Renderer::getCameraZoomRegion(double xywh[4]) const |
---|
2215 | { |
---|
2216 | xywh[0] = _imgWorldOrigin[0]; |
---|
2217 | xywh[1] = _imgWorldOrigin[1]; |
---|
2218 | xywh[2] = _imgWorldDims[0]; |
---|
2219 | xywh[3] = _imgWorldDims[1]; |
---|
2220 | } |
---|
2221 | |
---|
2222 | /** |
---|
2223 | * \brief Get the world origin and dimensions of the screen |
---|
2224 | * |
---|
2225 | * \param[out] xywh Array to hold x,y,width,height world coordinates |
---|
2226 | */ |
---|
2227 | void Renderer::getScreenWorldCoords(double xywh[4]) const |
---|
2228 | { |
---|
2229 | memcpy(xywh, _screenWorldCoords, sizeof(double)*4); |
---|
2230 | } |
---|
2231 | |
---|
2232 | /** |
---|
2233 | * \brief Compute bounding box containing the two input bounding boxes |
---|
2234 | * |
---|
2235 | * \param[out] boundsDest Union of the two input bounding boxes |
---|
2236 | * \param[in] bounds1 Input bounding box |
---|
2237 | * \param[in] bounds2 Input bounding box |
---|
2238 | */ |
---|
2239 | void Renderer::mergeBounds(double *boundsDest, |
---|
2240 | const double *bounds1, const double *bounds2) |
---|
2241 | { |
---|
2242 | assert(boundsDest != NULL); |
---|
2243 | assert(bounds1 != NULL); |
---|
2244 | if (bounds2 == NULL) { |
---|
2245 | WARN("NULL bounds2 array"); |
---|
2246 | return; |
---|
2247 | } |
---|
2248 | for (int i = 0; i < 6; i++) { |
---|
2249 | if (i % 2 == 0) |
---|
2250 | boundsDest[i] = min2(bounds1[i], bounds2[i]); |
---|
2251 | else |
---|
2252 | boundsDest[i] = max2(bounds1[i], bounds2[i]); |
---|
2253 | } |
---|
2254 | } |
---|
2255 | |
---|
2256 | /** |
---|
2257 | * \brief Collect bounds of all graphics objects |
---|
2258 | * |
---|
2259 | * \param[out] bounds Bounds of all scene objects |
---|
2260 | * \param[in] onlyVisible Only collect bounds of visible objects |
---|
2261 | */ |
---|
2262 | void Renderer::collectBounds(double *bounds, bool onlyVisible) |
---|
2263 | { |
---|
2264 | bounds[0] = DBL_MAX; |
---|
2265 | bounds[1] = -DBL_MAX; |
---|
2266 | bounds[2] = DBL_MAX; |
---|
2267 | bounds[3] = -DBL_MAX; |
---|
2268 | bounds[4] = DBL_MAX; |
---|
2269 | bounds[5] = -DBL_MAX; |
---|
2270 | |
---|
2271 | for (DataSetHashmap::iterator itr = _dataSets.begin(); |
---|
2272 | itr != _dataSets.end(); ++itr) { |
---|
2273 | if ((!onlyVisible || itr->second->getVisibility()) && |
---|
2274 | itr->second->getProp() != NULL) |
---|
2275 | mergeBounds(bounds, bounds, itr->second->getProp()->GetBounds()); |
---|
2276 | } |
---|
2277 | for (Contour2DHashmap::iterator itr = _contour2Ds.begin(); |
---|
2278 | itr != _contour2Ds.end(); ++itr) { |
---|
2279 | if ((!onlyVisible || itr->second->getVisibility()) && |
---|
2280 | itr->second->getProp() != NULL) |
---|
2281 | mergeBounds(bounds, bounds, itr->second->getProp()->GetBounds()); |
---|
2282 | } |
---|
2283 | for (Contour3DHashmap::iterator itr = _contour3Ds.begin(); |
---|
2284 | itr != _contour3Ds.end(); ++itr) { |
---|
2285 | if ((!onlyVisible || itr->second->getVisibility()) && |
---|
2286 | itr->second->getProp() != NULL) |
---|
2287 | mergeBounds(bounds, bounds, itr->second->getProp()->GetBounds()); |
---|
2288 | } |
---|
2289 | for (CutplaneHashmap::iterator itr = _cutplanes.begin(); |
---|
2290 | itr != _cutplanes.end(); ++itr) { |
---|
2291 | if ((!onlyVisible || itr->second->getVisibility()) && |
---|
2292 | itr->second->getProp() != NULL) |
---|
2293 | mergeBounds(bounds, bounds, itr->second->getProp()->GetBounds()); |
---|
2294 | } |
---|
2295 | for (GlyphsHashmap::iterator itr = _glyphs.begin(); |
---|
2296 | itr != _glyphs.end(); ++itr) { |
---|
2297 | if ((!onlyVisible || itr->second->getVisibility()) && |
---|
2298 | itr->second->getProp() != NULL) |
---|
2299 | mergeBounds(bounds, bounds, itr->second->getProp()->GetBounds()); |
---|
2300 | } |
---|
2301 | for (HeightMapHashmap::iterator itr = _heightMaps.begin(); |
---|
2302 | itr != _heightMaps.end(); ++itr) { |
---|
2303 | if ((!onlyVisible || itr->second->getVisibility()) && |
---|
2304 | itr->second->getProp() != NULL) |
---|
2305 | mergeBounds(bounds, bounds, itr->second->getProp()->GetBounds()); |
---|
2306 | } |
---|
2307 | for (LICHashmap::iterator itr = _lics.begin(); |
---|
2308 | itr != _lics.end(); ++itr) { |
---|
2309 | if ((!onlyVisible || itr->second->getVisibility()) && |
---|
2310 | itr->second->getProp() != NULL) |
---|
2311 | mergeBounds(bounds, bounds, itr->second->getProp()->GetBounds()); |
---|
2312 | } |
---|
2313 | for (MoleculeHashmap::iterator itr = _molecules.begin(); |
---|
2314 | itr != _molecules.end(); ++itr) { |
---|
2315 | if ((!onlyVisible || itr->second->getVisibility()) && |
---|
2316 | itr->second->getProp() != NULL) |
---|
2317 | mergeBounds(bounds, bounds, itr->second->getProp()->GetBounds()); |
---|
2318 | } |
---|
2319 | for (PolyDataHashmap::iterator itr = _polyDatas.begin(); |
---|
2320 | itr != _polyDatas.end(); ++itr) { |
---|
2321 | if ((!onlyVisible || itr->second->getVisibility()) && |
---|
2322 | itr->second->getProp() != NULL) |
---|
2323 | mergeBounds(bounds, bounds, itr->second->getProp()->GetBounds()); |
---|
2324 | } |
---|
2325 | for (PseudoColorHashmap::iterator itr = _pseudoColors.begin(); |
---|
2326 | itr != _pseudoColors.end(); ++itr) { |
---|
2327 | if ((!onlyVisible || itr->second->getVisibility()) && |
---|
2328 | itr->second->getProp() != NULL) |
---|
2329 | mergeBounds(bounds, bounds, itr->second->getProp()->GetBounds()); |
---|
2330 | } |
---|
2331 | for (StreamlinesHashmap::iterator itr = _streamlines.begin(); |
---|
2332 | itr != _streamlines.end(); ++itr) { |
---|
2333 | if ((!onlyVisible || itr->second->getVisibility()) && |
---|
2334 | itr->second->getProp() != NULL) |
---|
2335 | mergeBounds(bounds, bounds, itr->second->getProp()->GetBounds()); |
---|
2336 | } |
---|
2337 | for (VolumeHashmap::iterator itr = _volumes.begin(); |
---|
2338 | itr != _volumes.end(); ++itr) { |
---|
2339 | if ((!onlyVisible || itr->second->getVisibility()) && |
---|
2340 | itr->second->getProp() != NULL) |
---|
2341 | mergeBounds(bounds, bounds, itr->second->getProp()->GetBounds()); |
---|
2342 | } |
---|
2343 | |
---|
2344 | for (int i = 0; i < 6; i += 2) { |
---|
2345 | if (bounds[i+1] < bounds[i]) { |
---|
2346 | bounds[i] = -0.5; |
---|
2347 | bounds[i+1] = 0.5; |
---|
2348 | } |
---|
2349 | } |
---|
2350 | |
---|
2351 | int numDims = 0; |
---|
2352 | if (bounds[0] != bounds[1]) |
---|
2353 | numDims++; |
---|
2354 | if (bounds[2] != bounds[3]) |
---|
2355 | numDims++; |
---|
2356 | if (bounds[4] != bounds[5]) |
---|
2357 | numDims++; |
---|
2358 | |
---|
2359 | if (numDims == 0) { |
---|
2360 | bounds[0] -= .5; |
---|
2361 | bounds[1] += .5; |
---|
2362 | bounds[2] -= .5; |
---|
2363 | bounds[3] += .5; |
---|
2364 | } |
---|
2365 | |
---|
2366 | TRACE("Bounds: %g %g %g %g %g %g", |
---|
2367 | bounds[0], |
---|
2368 | bounds[1], |
---|
2369 | bounds[2], |
---|
2370 | bounds[3], |
---|
2371 | bounds[4], |
---|
2372 | bounds[5]); |
---|
2373 | } |
---|
2374 | |
---|
2375 | /** |
---|
2376 | * \brief Update data ranges for color-mapping and contours |
---|
2377 | */ |
---|
2378 | void Renderer::updateFieldRanges() |
---|
2379 | { |
---|
2380 | collectDataRanges(); |
---|
2381 | |
---|
2382 | for (Contour2DHashmap::iterator itr = _contour2Ds.begin(); |
---|
2383 | itr != _contour2Ds.end(); ++itr) { |
---|
2384 | itr->second->updateRanges(this); |
---|
2385 | } |
---|
2386 | for (Contour3DHashmap::iterator itr = _contour3Ds.begin(); |
---|
2387 | itr != _contour3Ds.end(); ++itr) { |
---|
2388 | itr->second->updateRanges(this); |
---|
2389 | } |
---|
2390 | for (CutplaneHashmap::iterator itr = _cutplanes.begin(); |
---|
2391 | itr != _cutplanes.end(); ++itr) { |
---|
2392 | itr->second->updateRanges(this); |
---|
2393 | } |
---|
2394 | for (GlyphsHashmap::iterator itr = _glyphs.begin(); |
---|
2395 | itr != _glyphs.end(); ++itr) { |
---|
2396 | itr->second->updateRanges(this); |
---|
2397 | } |
---|
2398 | for (HeightMapHashmap::iterator itr = _heightMaps.begin(); |
---|
2399 | itr != _heightMaps.end(); ++itr) { |
---|
2400 | itr->second->updateRanges(this); |
---|
2401 | } |
---|
2402 | for (LICHashmap::iterator itr = _lics.begin(); |
---|
2403 | itr != _lics.end(); ++itr) { |
---|
2404 | itr->second->updateRanges(this); |
---|
2405 | } |
---|
2406 | for (MoleculeHashmap::iterator itr = _molecules.begin(); |
---|
2407 | itr != _molecules.end(); ++itr) { |
---|
2408 | itr->second->updateRanges(this); |
---|
2409 | } |
---|
2410 | for (PseudoColorHashmap::iterator itr = _pseudoColors.begin(); |
---|
2411 | itr != _pseudoColors.end(); ++itr) { |
---|
2412 | itr->second->updateRanges(this); |
---|
2413 | } |
---|
2414 | for (StreamlinesHashmap::iterator itr = _streamlines.begin(); |
---|
2415 | itr != _streamlines.end(); ++itr) { |
---|
2416 | itr->second->updateRanges(this); |
---|
2417 | } |
---|
2418 | for (VolumeHashmap::iterator itr = _volumes.begin(); |
---|
2419 | itr != _volumes.end(); ++itr) { |
---|
2420 | itr->second->updateRanges(this); |
---|
2421 | } |
---|
2422 | } |
---|
2423 | |
---|
2424 | /** |
---|
2425 | * \brief Collect cumulative data range of all DataSets |
---|
2426 | * |
---|
2427 | * \param[out] range Data range of all DataSets |
---|
2428 | * \param[in] name Field name |
---|
2429 | * \param[in] type Attribute type: e.g. POINT_DATA, CELL_DATA |
---|
2430 | * \param[in] component Array component or -1 for magnitude |
---|
2431 | * \param[in] onlyVisible Only collect range of visible DataSets |
---|
2432 | */ |
---|
2433 | void Renderer::collectDataRanges(double *range, const char *name, |
---|
2434 | DataSet::DataAttributeType type, |
---|
2435 | int component, bool onlyVisible) |
---|
2436 | { |
---|
2437 | range[0] = DBL_MAX; |
---|
2438 | range[1] = -DBL_MAX; |
---|
2439 | |
---|
2440 | for (DataSetHashmap::iterator itr = _dataSets.begin(); |
---|
2441 | itr != _dataSets.end(); ++itr) { |
---|
2442 | if (!onlyVisible || itr->second->getVisibility()) { |
---|
2443 | double r[2]; |
---|
2444 | itr->second->getDataRange(r, name, type, component); |
---|
2445 | range[0] = min2(range[0], r[0]); |
---|
2446 | range[1] = max2(range[1], r[1]); |
---|
2447 | } |
---|
2448 | } |
---|
2449 | if (range[0] == DBL_MAX) |
---|
2450 | range[0] = 0; |
---|
2451 | if (range[1] == -DBL_MAX) |
---|
2452 | range[1] = 1; |
---|
2453 | |
---|
2454 | TRACE("n:'%s' t:%d c:%d [%g,%g]", name, type, component, |
---|
2455 | range[0], range[1]); |
---|
2456 | } |
---|
2457 | |
---|
2458 | /** |
---|
2459 | * \brief Clear field range hashtables and free memory |
---|
2460 | */ |
---|
2461 | void Renderer::clearFieldRanges() |
---|
2462 | { |
---|
2463 | TRACE("Deleting Field Ranges"); |
---|
2464 | for (FieldRangeHashmap::iterator itr = _scalarPointDataRange.begin(); |
---|
2465 | itr != _scalarPointDataRange.end(); ++itr) { |
---|
2466 | delete [] itr->second; |
---|
2467 | } |
---|
2468 | _scalarPointDataRange.clear(); |
---|
2469 | for (FieldRangeHashmap::iterator itr = _scalarCellDataRange.begin(); |
---|
2470 | itr != _scalarCellDataRange.end(); ++itr) { |
---|
2471 | delete [] itr->second; |
---|
2472 | } |
---|
2473 | _scalarCellDataRange.clear(); |
---|
2474 | for (FieldRangeHashmap::iterator itr = _vectorPointDataRange.begin(); |
---|
2475 | itr != _vectorPointDataRange.end(); ++itr) { |
---|
2476 | delete [] itr->second; |
---|
2477 | } |
---|
2478 | _vectorPointDataRange.clear(); |
---|
2479 | for (int i = 0; i < 3; i++) { |
---|
2480 | for (FieldRangeHashmap::iterator itr = _vectorCompPointDataRange[i].begin(); |
---|
2481 | itr != _vectorCompPointDataRange[i].end(); ++itr) { |
---|
2482 | delete [] itr->second; |
---|
2483 | } |
---|
2484 | _vectorCompPointDataRange[i].clear(); |
---|
2485 | } |
---|
2486 | for (FieldRangeHashmap::iterator itr = _vectorCellDataRange.begin(); |
---|
2487 | itr != _vectorCellDataRange.end(); ++itr) { |
---|
2488 | delete [] itr->second; |
---|
2489 | } |
---|
2490 | _vectorCellDataRange.clear(); |
---|
2491 | for (int i = 0; i < 3; i++) { |
---|
2492 | for (FieldRangeHashmap::iterator itr = _vectorCompCellDataRange[i].begin(); |
---|
2493 | itr != _vectorCompCellDataRange[i].end(); ++itr) { |
---|
2494 | delete [] itr->second; |
---|
2495 | } |
---|
2496 | _vectorCompCellDataRange[i].clear(); |
---|
2497 | } |
---|
2498 | } |
---|
2499 | |
---|
2500 | void Renderer::initFieldRanges() |
---|
2501 | { |
---|
2502 | clearFieldRanges(); |
---|
2503 | |
---|
2504 | for (DataSetHashmap::iterator itr = _dataSets.begin(); |
---|
2505 | itr != _dataSets.end(); ++itr) { |
---|
2506 | DataSet *ds = itr->second; |
---|
2507 | std::vector<std::string> names; |
---|
2508 | ds->getFieldNames(names, DataSet::POINT_DATA, 1); |
---|
2509 | for (std::vector<std::string>::iterator itr = names.begin(); |
---|
2510 | itr != names.end(); ++itr) { |
---|
2511 | FieldRangeHashmap::iterator fritr = |
---|
2512 | _scalarPointDataRange.find(*itr); |
---|
2513 | if (fritr == _scalarPointDataRange.end()) { |
---|
2514 | _scalarPointDataRange[*itr] = new double[2]; |
---|
2515 | _scalarPointDataRange[*itr][0] = 0; |
---|
2516 | _scalarPointDataRange[*itr][1] = 1; |
---|
2517 | } |
---|
2518 | } |
---|
2519 | names.clear(); |
---|
2520 | ds->getFieldNames(names, DataSet::CELL_DATA, 1); |
---|
2521 | for (std::vector<std::string>::iterator itr = names.begin(); |
---|
2522 | itr != names.end(); ++itr) { |
---|
2523 | FieldRangeHashmap::iterator fritr = |
---|
2524 | _scalarCellDataRange.find(*itr); |
---|
2525 | if (fritr == _scalarCellDataRange.end()) { |
---|
2526 | _scalarCellDataRange[*itr] = new double[2]; |
---|
2527 | _scalarCellDataRange[*itr][0] = 0; |
---|
2528 | _scalarCellDataRange[*itr][1] = 1; |
---|
2529 | } |
---|
2530 | } |
---|
2531 | names.clear(); |
---|
2532 | ds->getFieldNames(names, DataSet::POINT_DATA, 3); |
---|
2533 | for (std::vector<std::string>::iterator itr = names.begin(); |
---|
2534 | itr != names.end(); ++itr) { |
---|
2535 | FieldRangeHashmap::iterator fritr = |
---|
2536 | _vectorPointDataRange.find(*itr); |
---|
2537 | if (fritr == _vectorPointDataRange.end()) { |
---|
2538 | _vectorPointDataRange[*itr] = new double[2]; |
---|
2539 | _vectorPointDataRange[*itr][0] = 0; |
---|
2540 | _vectorPointDataRange[*itr][1] = 1; |
---|
2541 | } |
---|
2542 | for (int i = 0; i < 3; i++) { |
---|
2543 | fritr = _vectorCompPointDataRange[i].find(*itr); |
---|
2544 | if (fritr == _vectorCompPointDataRange[i].end()) { |
---|
2545 | _vectorCompPointDataRange[i][*itr] = new double[2]; |
---|
2546 | _vectorCompPointDataRange[i][*itr][0] = 0; |
---|
2547 | _vectorCompPointDataRange[i][*itr][1] = 1; |
---|
2548 | } |
---|
2549 | } |
---|
2550 | } |
---|
2551 | names.clear(); |
---|
2552 | ds->getFieldNames(names, DataSet::CELL_DATA, 3); |
---|
2553 | for (std::vector<std::string>::iterator itr = names.begin(); |
---|
2554 | itr != names.end(); ++itr) { |
---|
2555 | FieldRangeHashmap::iterator fritr = |
---|
2556 | _vectorCellDataRange.find(*itr); |
---|
2557 | if (fritr == _vectorCellDataRange.end()) { |
---|
2558 | _vectorCellDataRange[*itr] = new double[2]; |
---|
2559 | _vectorCellDataRange[*itr][0] = 0; |
---|
2560 | _vectorCellDataRange[*itr][1] = 1; |
---|
2561 | } |
---|
2562 | for (int i = 0; i < 3; i++) { |
---|
2563 | fritr = _vectorCompCellDataRange[i].find(*itr); |
---|
2564 | if (fritr == _vectorCompCellDataRange[i].end()) { |
---|
2565 | _vectorCompCellDataRange[i][*itr] = new double[2]; |
---|
2566 | _vectorCompCellDataRange[i][*itr][0] = 0; |
---|
2567 | _vectorCompCellDataRange[i][*itr][1] = 1; |
---|
2568 | } |
---|
2569 | } |
---|
2570 | } |
---|
2571 | } |
---|
2572 | } |
---|
2573 | |
---|
2574 | /** |
---|
2575 | * \brief Returns boolean flag indicating if cumulative data ranges |
---|
2576 | * should be used |
---|
2577 | */ |
---|
2578 | bool Renderer::getUseCumulativeRange() |
---|
2579 | { |
---|
2580 | return _useCumulativeRange; |
---|
2581 | } |
---|
2582 | |
---|
2583 | /** |
---|
2584 | * \brief Get the cumulative range across all DataSets for a point |
---|
2585 | * data field if it exists, otherwise a cell data field if it exists |
---|
2586 | * |
---|
2587 | * \param[out] range Pointer to an array of 2 doubles |
---|
2588 | * \param[in] name Field name |
---|
2589 | * \param[in] numComponents Number of components in field |
---|
2590 | * \param[in] component Index of component or -1 for magnitude/scalar |
---|
2591 | * \return boolean indicating if field was found |
---|
2592 | */ |
---|
2593 | bool Renderer::getCumulativeDataRange(double *range, const char *name, |
---|
2594 | int numComponents, |
---|
2595 | int component) |
---|
2596 | { |
---|
2597 | bool ret; |
---|
2598 | if (!(ret = getCumulativeDataRange(range, name, DataSet::POINT_DATA, |
---|
2599 | numComponents, component))) |
---|
2600 | ret = getCumulativeDataRange(range, name, DataSet::CELL_DATA, |
---|
2601 | numComponents, component); |
---|
2602 | return ret; |
---|
2603 | } |
---|
2604 | |
---|
2605 | /** |
---|
2606 | * \brief Get the cumulative range across all DataSets for a field |
---|
2607 | * |
---|
2608 | * \param[out] range Pointer to an array of 2 doubles |
---|
2609 | * \param[in] name Field name |
---|
2610 | * \param[in] type DataAttributeType of field |
---|
2611 | * \param[in] numComponents Number of components in field |
---|
2612 | * \param[in] component Index of component or -1 for magnitude/scalar |
---|
2613 | * \return boolean indicating if field was found |
---|
2614 | */ |
---|
2615 | bool Renderer::getCumulativeDataRange(double *range, const char *name, |
---|
2616 | DataSet::DataAttributeType type, |
---|
2617 | int numComponents, |
---|
2618 | int component) |
---|
2619 | { |
---|
2620 | if (name == NULL) |
---|
2621 | return false; |
---|
2622 | switch (type) { |
---|
2623 | case DataSet::POINT_DATA: { |
---|
2624 | FieldRangeHashmap::iterator itr; |
---|
2625 | if (numComponents == 1) { |
---|
2626 | itr = _scalarPointDataRange.find(name); |
---|
2627 | if (itr == _scalarPointDataRange.end()) { |
---|
2628 | return false; |
---|
2629 | } else { |
---|
2630 | memcpy(range, itr->second, sizeof(double)*2); |
---|
2631 | return true; |
---|
2632 | } |
---|
2633 | } else if (numComponents == 3) { |
---|
2634 | if (component == -1) { |
---|
2635 | itr = _vectorPointDataRange.find(name); |
---|
2636 | if (itr == _vectorPointDataRange.end()) { |
---|
2637 | return false; |
---|
2638 | } else { |
---|
2639 | memcpy(range, itr->second, sizeof(double)*2); |
---|
2640 | return true; |
---|
2641 | } |
---|
2642 | } else if (component >= 0 && component <= 3) { |
---|
2643 | itr = _vectorCompPointDataRange[component].find(name); |
---|
2644 | if (itr == _vectorCompPointDataRange[component].end()) { |
---|
2645 | return false; |
---|
2646 | } else { |
---|
2647 | memcpy(range, itr->second, sizeof(double)*2); |
---|
2648 | return true; |
---|
2649 | } |
---|
2650 | } |
---|
2651 | } |
---|
2652 | } |
---|
2653 | break; |
---|
2654 | case DataSet::CELL_DATA: { |
---|
2655 | FieldRangeHashmap::iterator itr; |
---|
2656 | if (numComponents == 1) { |
---|
2657 | itr = _scalarCellDataRange.find(name); |
---|
2658 | if (itr == _scalarCellDataRange.end()) { |
---|
2659 | return false; |
---|
2660 | } else { |
---|
2661 | memcpy(range, itr->second, sizeof(double)*2); |
---|
2662 | return true; |
---|
2663 | } |
---|
2664 | } else if (numComponents == 3) { |
---|
2665 | if (component == -1) { |
---|
2666 | itr = _vectorCellDataRange.find(name); |
---|
2667 | if (itr == _vectorCellDataRange.end()) { |
---|
2668 | return false; |
---|
2669 | } else { |
---|
2670 | memcpy(range, itr->second, sizeof(double)*2); |
---|
2671 | return true; |
---|
2672 | } |
---|
2673 | } else if (component >= 0 && component <= 3) { |
---|
2674 | itr = _vectorCompCellDataRange[component].find(name); |
---|
2675 | if (itr == _vectorCompCellDataRange[component].end()) { |
---|
2676 | return false; |
---|
2677 | } else { |
---|
2678 | memcpy(range, itr->second, sizeof(double)*2); |
---|
2679 | return true; |
---|
2680 | } |
---|
2681 | } |
---|
2682 | } |
---|
2683 | } |
---|
2684 | break; |
---|
2685 | default: |
---|
2686 | break; |
---|
2687 | } |
---|
2688 | return false; |
---|
2689 | } |
---|
2690 | |
---|
2691 | void Renderer::collectDataRanges() |
---|
2692 | { |
---|
2693 | for (FieldRangeHashmap::iterator itr = _scalarPointDataRange.begin(); |
---|
2694 | itr != _scalarPointDataRange.end(); ++itr) { |
---|
2695 | collectDataRanges(itr->second, itr->first.c_str(), |
---|
2696 | DataSet::POINT_DATA, -1, |
---|
2697 | _cumulativeRangeOnlyVisible); |
---|
2698 | } |
---|
2699 | for (FieldRangeHashmap::iterator itr = _scalarCellDataRange.begin(); |
---|
2700 | itr != _scalarCellDataRange.end(); ++itr) { |
---|
2701 | collectDataRanges(itr->second, itr->first.c_str(), |
---|
2702 | DataSet::CELL_DATA, -1, |
---|
2703 | _cumulativeRangeOnlyVisible); |
---|
2704 | } |
---|
2705 | for (FieldRangeHashmap::iterator itr = _vectorPointDataRange.begin(); |
---|
2706 | itr != _vectorPointDataRange.end(); ++itr) { |
---|
2707 | collectDataRanges(itr->second, itr->first.c_str(), |
---|
2708 | DataSet::POINT_DATA, -1, |
---|
2709 | _cumulativeRangeOnlyVisible); |
---|
2710 | } |
---|
2711 | for (int i = 0; i < 3; i++) { |
---|
2712 | for (FieldRangeHashmap::iterator itr = _vectorCompPointDataRange[i].begin(); |
---|
2713 | itr != _vectorCompPointDataRange[i].end(); ++itr) { |
---|
2714 | collectDataRanges(itr->second, itr->first.c_str(), |
---|
2715 | DataSet::POINT_DATA, i, |
---|
2716 | _cumulativeRangeOnlyVisible); |
---|
2717 | } |
---|
2718 | } |
---|
2719 | for (FieldRangeHashmap::iterator itr = _vectorCellDataRange.begin(); |
---|
2720 | itr != _vectorCellDataRange.end(); ++itr) { |
---|
2721 | collectDataRanges(itr->second, itr->first.c_str(), |
---|
2722 | DataSet::CELL_DATA, -1, |
---|
2723 | _cumulativeRangeOnlyVisible); |
---|
2724 | } |
---|
2725 | for (int i = 0; i < 3; i++) { |
---|
2726 | for (FieldRangeHashmap::iterator itr = _vectorCompCellDataRange[i].begin(); |
---|
2727 | itr != _vectorCompCellDataRange[i].end(); ++itr) { |
---|
2728 | collectDataRanges(itr->second, itr->first.c_str(), |
---|
2729 | DataSet::CELL_DATA, i, |
---|
2730 | _cumulativeRangeOnlyVisible); |
---|
2731 | } |
---|
2732 | } |
---|
2733 | } |
---|
2734 | |
---|
2735 | /** |
---|
2736 | * \brief Determines if AABB lies in a principal axis plane |
---|
2737 | * and if so, returns the plane normal |
---|
2738 | */ |
---|
2739 | bool Renderer::is2D(const double bounds[6], |
---|
2740 | PrincipalPlane *plane, |
---|
2741 | double *offset) const |
---|
2742 | { |
---|
2743 | if (bounds[4] == bounds[5]) { |
---|
2744 | // Z = 0, XY plane |
---|
2745 | if (plane) |
---|
2746 | *plane = PLANE_XY; |
---|
2747 | if (offset) |
---|
2748 | *offset = bounds[4]; |
---|
2749 | return true; |
---|
2750 | } else if (bounds[0] == bounds[1]) { |
---|
2751 | // X = 0, ZY plane |
---|
2752 | if (plane) |
---|
2753 | *plane = PLANE_ZY; |
---|
2754 | if (offset) |
---|
2755 | *offset = bounds[0]; |
---|
2756 | return true; |
---|
2757 | } else if (bounds[2] == bounds[3]) { |
---|
2758 | // Y = 0, XZ plane |
---|
2759 | if (plane) |
---|
2760 | *plane = PLANE_XZ; |
---|
2761 | if (offset) |
---|
2762 | *offset = bounds[2]; |
---|
2763 | return true; |
---|
2764 | } |
---|
2765 | *plane = PLANE_XY; |
---|
2766 | *offset = 0; |
---|
2767 | return false; |
---|
2768 | } |
---|
2769 | |
---|
2770 | /** |
---|
2771 | * \brief Initialize the camera zoom region to include the bounding volume given |
---|
2772 | */ |
---|
2773 | void Renderer::initCamera() |
---|
2774 | { |
---|
2775 | #ifdef WANT_TRACE |
---|
2776 | switch (_cameraMode) { |
---|
2777 | case IMAGE: |
---|
2778 | TRACE("Image camera"); |
---|
2779 | break; |
---|
2780 | case ORTHO: |
---|
2781 | TRACE("Ortho camera"); |
---|
2782 | break; |
---|
2783 | case PERSPECTIVE: |
---|
2784 | TRACE("Perspective camera"); |
---|
2785 | break; |
---|
2786 | default: |
---|
2787 | TRACE("Unknown camera mode"); |
---|
2788 | } |
---|
2789 | #endif |
---|
2790 | double bounds[6]; |
---|
2791 | collectBounds(bounds, false); |
---|
2792 | bool twod = is2D(bounds, &_imgCameraPlane, &_imgCameraOffset); |
---|
2793 | if (twod) { |
---|
2794 | _cameraMode = IMAGE; |
---|
2795 | if (_imgCameraPlane == PLANE_ZY) { |
---|
2796 | _imgWorldOrigin[0] = bounds[4]; |
---|
2797 | _imgWorldOrigin[1] = bounds[2]; |
---|
2798 | _imgWorldDims[0] = bounds[5] - bounds[4]; |
---|
2799 | _imgWorldDims[1] = bounds[3] - bounds[2]; |
---|
2800 | } else if (_imgCameraPlane == PLANE_XZ) { |
---|
2801 | _imgWorldOrigin[0] = bounds[0]; |
---|
2802 | _imgWorldOrigin[1] = bounds[4]; |
---|
2803 | _imgWorldDims[0] = bounds[1] - bounds[0]; |
---|
2804 | _imgWorldDims[1] = bounds[5] - bounds[4]; |
---|
2805 | } else { |
---|
2806 | _imgWorldOrigin[0] = bounds[0]; |
---|
2807 | _imgWorldOrigin[1] = bounds[2]; |
---|
2808 | _imgWorldDims[0] = bounds[1] - bounds[0]; |
---|
2809 | _imgWorldDims[1] = bounds[3] - bounds[2]; |
---|
2810 | } |
---|
2811 | } else { |
---|
2812 | _imgWorldOrigin[0] = bounds[0]; |
---|
2813 | _imgWorldOrigin[1] = bounds[2]; |
---|
2814 | _imgWorldDims[0] = bounds[1] - bounds[0]; |
---|
2815 | _imgWorldDims[1] = bounds[3] - bounds[2]; |
---|
2816 | } |
---|
2817 | |
---|
2818 | _cameraPan[0] = 0; |
---|
2819 | _cameraPan[1] = 0; |
---|
2820 | _cameraZoomRatio = 1; |
---|
2821 | |
---|
2822 | switch (_cameraMode) { |
---|
2823 | case IMAGE: |
---|
2824 | _renderer->ResetCamera(bounds); |
---|
2825 | setCameraZoomRegion(_imgWorldOrigin[0], _imgWorldOrigin[1], |
---|
2826 | _imgWorldDims[0], _imgWorldDims[1]); |
---|
2827 | resetAxes(); |
---|
2828 | break; |
---|
2829 | case ORTHO: |
---|
2830 | _renderer->GetActiveCamera()->ParallelProjectionOn(); |
---|
2831 | resetAxes(bounds); |
---|
2832 | _renderer->ResetCamera(bounds); |
---|
2833 | //computeScreenWorldCoords(); |
---|
2834 | break; |
---|
2835 | case PERSPECTIVE: |
---|
2836 | _renderer->GetActiveCamera()->ParallelProjectionOff(); |
---|
2837 | resetAxes(bounds); |
---|
2838 | _renderer->ResetCamera(bounds); |
---|
2839 | //computeScreenWorldCoords(); |
---|
2840 | break; |
---|
2841 | default: |
---|
2842 | ERROR("Unknown camera mode"); |
---|
2843 | } |
---|
2844 | |
---|
2845 | #ifdef WANT_TRACE |
---|
2846 | printCameraInfo(_renderer->GetActiveCamera()); |
---|
2847 | #endif |
---|
2848 | } |
---|
2849 | |
---|
2850 | /** |
---|
2851 | * \brief Print debugging info about a vtkCamera |
---|
2852 | */ |
---|
2853 | void Renderer::printCameraInfo(vtkCamera *camera) |
---|
2854 | { |
---|
2855 | TRACE("pscale: %g, angle: %g, d: %g pos: %g %g %g, fpt: %g %g %g, vup: %g %g %g, clip: %g %g", |
---|
2856 | camera->GetParallelScale(), |
---|
2857 | camera->GetViewAngle(), |
---|
2858 | camera->GetDistance(), |
---|
2859 | camera->GetPosition()[0], |
---|
2860 | camera->GetPosition()[1], |
---|
2861 | camera->GetPosition()[2], |
---|
2862 | camera->GetFocalPoint()[0], |
---|
2863 | camera->GetFocalPoint()[1], |
---|
2864 | camera->GetFocalPoint()[2], |
---|
2865 | camera->GetViewUp()[0], |
---|
2866 | camera->GetViewUp()[1], |
---|
2867 | camera->GetViewUp()[2], |
---|
2868 | camera->GetClippingRange()[0], |
---|
2869 | camera->GetClippingRange()[1]); |
---|
2870 | } |
---|
2871 | |
---|
2872 | /** |
---|
2873 | * \brief Set the RGB background color to render into the image |
---|
2874 | */ |
---|
2875 | void Renderer::setBackgroundColor(float color[3]) |
---|
2876 | { |
---|
2877 | _bgColor[0] = color[0]; |
---|
2878 | _bgColor[1] = color[1]; |
---|
2879 | _bgColor[2] = color[2]; |
---|
2880 | _renderer->SetBackground(_bgColor[0], _bgColor[1], _bgColor[2]); |
---|
2881 | _needsRedraw = true; |
---|
2882 | } |
---|
2883 | |
---|
2884 | /** |
---|
2885 | * \brief Set the opacity of the specified DataSet's associated graphics objects |
---|
2886 | */ |
---|
2887 | void Renderer::setDataSetOpacity(const DataSetId& id, double opacity) |
---|
2888 | { |
---|
2889 | DataSetHashmap::iterator itr; |
---|
2890 | |
---|
2891 | bool doAll = false; |
---|
2892 | |
---|
2893 | if (id.compare("all") == 0) { |
---|
2894 | itr = _dataSets.begin(); |
---|
2895 | doAll = true; |
---|
2896 | } else { |
---|
2897 | itr = _dataSets.find(id); |
---|
2898 | } |
---|
2899 | if (itr == _dataSets.end()) { |
---|
2900 | ERROR("Unknown dataset %s", id.c_str()); |
---|
2901 | return; |
---|
2902 | } |
---|
2903 | |
---|
2904 | do { |
---|
2905 | itr->second->setOpacity(opacity); |
---|
2906 | } while (doAll && ++itr != _dataSets.end()); |
---|
2907 | |
---|
2908 | if (id.compare("all") == 0 || getGraphicsObject<Contour2D>(id) != NULL) |
---|
2909 | setGraphicsObjectOpacity<Contour2D>(id, opacity); |
---|
2910 | if (id.compare("all") == 0 || getGraphicsObject<Contour3D>(id) != NULL) |
---|
2911 | setGraphicsObjectOpacity<Contour3D>(id, opacity); |
---|
2912 | if (id.compare("all") == 0 || getGraphicsObject<Cutplane>(id) != NULL) |
---|
2913 | setGraphicsObjectOpacity<Cutplane>(id, opacity); |
---|
2914 | if (id.compare("all") == 0 || getGraphicsObject<Glyphs>(id) != NULL) |
---|
2915 | setGraphicsObjectOpacity<Glyphs>(id, opacity); |
---|
2916 | if (id.compare("all") == 0 || getGraphicsObject<HeightMap>(id) != NULL) |
---|
2917 | setGraphicsObjectOpacity<HeightMap>(id, opacity); |
---|
2918 | if (id.compare("all") == 0 || getGraphicsObject<LIC>(id) != NULL) |
---|
2919 | setGraphicsObjectOpacity<LIC>(id, opacity); |
---|
2920 | if (id.compare("all") == 0 || getGraphicsObject<Molecule>(id) != NULL) |
---|
2921 | setGraphicsObjectOpacity<Molecule>(id, opacity); |
---|
2922 | if (id.compare("all") == 0 || getGraphicsObject<PolyData>(id) != NULL) |
---|
2923 | setGraphicsObjectOpacity<PolyData>(id, opacity); |
---|
2924 | if (id.compare("all") == 0 || getGraphicsObject<PseudoColor>(id) != NULL) |
---|
2925 | setGraphicsObjectOpacity<PseudoColor>(id, opacity); |
---|
2926 | if (id.compare("all") == 0 || getGraphicsObject<Streamlines>(id) != NULL) |
---|
2927 | setGraphicsObjectOpacity<Streamlines>(id, opacity); |
---|
2928 | if (id.compare("all") == 0 || getGraphicsObject<Volume>(id) != NULL) |
---|
2929 | setGraphicsObjectOpacity<Volume>(id, opacity); |
---|
2930 | |
---|
2931 | _needsRedraw = true; |
---|
2932 | } |
---|
2933 | |
---|
2934 | /** |
---|
2935 | * \brief Turn on/off rendering of the specified DataSet's associated graphics objects |
---|
2936 | */ |
---|
2937 | void Renderer::setDataSetVisibility(const DataSetId& id, bool state) |
---|
2938 | { |
---|
2939 | DataSetHashmap::iterator itr; |
---|
2940 | |
---|
2941 | bool doAll = false; |
---|
2942 | |
---|
2943 | if (id.compare("all") == 0) { |
---|
2944 | itr = _dataSets.begin(); |
---|
2945 | doAll = true; |
---|
2946 | } else { |
---|
2947 | itr = _dataSets.find(id); |
---|
2948 | } |
---|
2949 | if (itr == _dataSets.end()) { |
---|
2950 | ERROR("Unknown dataset %s", id.c_str()); |
---|
2951 | return; |
---|
2952 | } |
---|
2953 | |
---|
2954 | do { |
---|
2955 | itr->second->setVisibility(state); |
---|
2956 | } while (doAll && ++itr != _dataSets.end()); |
---|
2957 | |
---|
2958 | if (id.compare("all") == 0 || getGraphicsObject<Contour2D>(id) != NULL) |
---|
2959 | setGraphicsObjectVisibility<Contour2D>(id, state); |
---|
2960 | if (id.compare("all") == 0 || getGraphicsObject<Contour3D>(id) != NULL) |
---|
2961 | setGraphicsObjectVisibility<Contour3D>(id, state); |
---|
2962 | if (id.compare("all") == 0 || getGraphicsObject<Cutplane>(id) != NULL) |
---|
2963 | setGraphicsObjectVisibility<Cutplane>(id, state); |
---|
2964 | if (id.compare("all") == 0 || getGraphicsObject<Glyphs>(id) != NULL) |
---|
2965 | setGraphicsObjectVisibility<Glyphs>(id, state); |
---|
2966 | if (id.compare("all") == 0 || getGraphicsObject<HeightMap>(id) != NULL) |
---|
2967 | setGraphicsObjectVisibility<HeightMap>(id, state); |
---|
2968 | if (id.compare("all") == 0 || getGraphicsObject<LIC>(id) != NULL) |
---|
2969 | setGraphicsObjectVisibility<LIC>(id, state); |
---|
2970 | if (id.compare("all") == 0 || getGraphicsObject<Molecule>(id) != NULL) |
---|
2971 | setGraphicsObjectVisibility<Molecule>(id, state); |
---|
2972 | if (id.compare("all") == 0 || getGraphicsObject<PolyData>(id) != NULL) |
---|
2973 | setGraphicsObjectVisibility<PolyData>(id, state); |
---|
2974 | if (id.compare("all") == 0 || getGraphicsObject<PseudoColor>(id) != NULL) |
---|
2975 | setGraphicsObjectVisibility<PseudoColor>(id, state); |
---|
2976 | if (id.compare("all") == 0 || getGraphicsObject<Streamlines>(id) != NULL) |
---|
2977 | setGraphicsObjectVisibility<Streamlines>(id, state); |
---|
2978 | if (id.compare("all") == 0 || getGraphicsObject<Volume>(id) != NULL) |
---|
2979 | setGraphicsObjectVisibility<Volume>(id, state); |
---|
2980 | |
---|
2981 | _needsRedraw = true; |
---|
2982 | } |
---|
2983 | |
---|
2984 | /** |
---|
2985 | * \brief Toggle rendering of actors' bounding box |
---|
2986 | */ |
---|
2987 | void Renderer::setDataSetShowBounds(const DataSetId& id, bool state) |
---|
2988 | { |
---|
2989 | DataSetHashmap::iterator itr; |
---|
2990 | |
---|
2991 | bool doAll = false; |
---|
2992 | |
---|
2993 | if (id.compare("all") == 0) { |
---|
2994 | itr = _dataSets.begin(); |
---|
2995 | doAll = true; |
---|
2996 | } else { |
---|
2997 | itr = _dataSets.find(id); |
---|
2998 | } |
---|
2999 | if (itr == _dataSets.end()) { |
---|
3000 | ERROR("Unknown dataset %s", id.c_str()); |
---|
3001 | return; |
---|
3002 | } |
---|
3003 | |
---|
3004 | do { |
---|
3005 | if (!state && itr->second->getProp()) { |
---|
3006 | _renderer->RemoveViewProp(itr->second->getProp()); |
---|
3007 | } |
---|
3008 | |
---|
3009 | itr->second->showOutline(state); |
---|
3010 | |
---|
3011 | if (state && !_renderer->HasViewProp(itr->second->getProp())) { |
---|
3012 | _renderer->AddViewProp(itr->second->getProp()); |
---|
3013 | } |
---|
3014 | } while (doAll && ++itr != _dataSets.end()); |
---|
3015 | |
---|
3016 | initCamera(); |
---|
3017 | _needsRedraw = true; |
---|
3018 | } |
---|
3019 | |
---|
3020 | /** |
---|
3021 | * \brief Set color of outline bounding box |
---|
3022 | */ |
---|
3023 | void Renderer::setDataSetOutlineColor(const DataSetId& id, float color[3]) |
---|
3024 | { |
---|
3025 | DataSetHashmap::iterator itr; |
---|
3026 | |
---|
3027 | bool doAll = false; |
---|
3028 | |
---|
3029 | if (id.compare("all") == 0) { |
---|
3030 | itr = _dataSets.begin(); |
---|
3031 | doAll = true; |
---|
3032 | } else { |
---|
3033 | itr = _dataSets.find(id); |
---|
3034 | } |
---|
3035 | if (itr == _dataSets.end()) { |
---|
3036 | ERROR("Unknown dataset %s", id.c_str()); |
---|
3037 | return; |
---|
3038 | } |
---|
3039 | |
---|
3040 | do { |
---|
3041 | itr->second->setOutlineColor(color); |
---|
3042 | } while (doAll && ++itr != _dataSets.end()); |
---|
3043 | |
---|
3044 | _needsRedraw = true; |
---|
3045 | } |
---|
3046 | |
---|
3047 | /** |
---|
3048 | * \brief Set a user clipping plane |
---|
3049 | * |
---|
3050 | * TODO: Fix clip plane positions after a change in actor bounds |
---|
3051 | */ |
---|
3052 | void Renderer::setClipPlane(Axis axis, double ratio, int direction) |
---|
3053 | { |
---|
3054 | double bounds[6]; |
---|
3055 | collectBounds(bounds, false); |
---|
3056 | |
---|
3057 | switch (axis) { |
---|
3058 | case X_AXIS: |
---|
3059 | if (direction > 0) { |
---|
3060 | if (ratio > 0.0) { |
---|
3061 | if (_userClipPlanes[0] == NULL) { |
---|
3062 | _userClipPlanes[0] = vtkSmartPointer<vtkPlane>::New(); |
---|
3063 | _userClipPlanes[0]->SetNormal(1, 0, 0); |
---|
3064 | } |
---|
3065 | _userClipPlanes[0]->SetOrigin(bounds[0] + (bounds[1]-bounds[0])*ratio, 0, 0); |
---|
3066 | } else { |
---|
3067 | _userClipPlanes[0] = NULL; |
---|
3068 | } |
---|
3069 | } else { |
---|
3070 | if (ratio < 1.0) { |
---|
3071 | if (_userClipPlanes[1] == NULL) { |
---|
3072 | _userClipPlanes[1] = vtkSmartPointer<vtkPlane>::New(); |
---|
3073 | _userClipPlanes[1]->SetNormal(-1, 0, 0); |
---|
3074 | } |
---|
3075 | _userClipPlanes[1]->SetOrigin(bounds[0] + (bounds[1]-bounds[0])*ratio, 0, 0); |
---|
3076 | } else { |
---|
3077 | _userClipPlanes[1] = NULL; |
---|
3078 | } |
---|
3079 | } |
---|
3080 | break; |
---|
3081 | case Y_AXIS: |
---|
3082 | if (direction > 0) { |
---|
3083 | if (ratio > 0.0) { |
---|
3084 | if (_userClipPlanes[2] == NULL) { |
---|
3085 | _userClipPlanes[2] = vtkSmartPointer<vtkPlane>::New(); |
---|
3086 | _userClipPlanes[2]->SetNormal(0, 1, 0); |
---|
3087 | } |
---|
3088 | _userClipPlanes[2]->SetOrigin(0, bounds[2] + (bounds[3]-bounds[2])*ratio, 0); |
---|
3089 | } else { |
---|
3090 | _userClipPlanes[2] = NULL; |
---|
3091 | } |
---|
3092 | } else { |
---|
3093 | if (ratio < 1.0) { |
---|
3094 | if (_userClipPlanes[3] == NULL) { |
---|
3095 | _userClipPlanes[3] = vtkSmartPointer<vtkPlane>::New(); |
---|
3096 | _userClipPlanes[3]->SetNormal(0, -1, 0); |
---|
3097 | } |
---|
3098 | _userClipPlanes[3]->SetOrigin(0, bounds[2] + (bounds[3]-bounds[2])*ratio, 0); |
---|
3099 | } else { |
---|
3100 | _userClipPlanes[3] = NULL; |
---|
3101 | } |
---|
3102 | } |
---|
3103 | break; |
---|
3104 | case Z_AXIS: |
---|
3105 | if (direction > 0) { |
---|
3106 | if (ratio > 0.0) { |
---|
3107 | if (_userClipPlanes[4] == NULL) { |
---|
3108 | _userClipPlanes[4] = vtkSmartPointer<vtkPlane>::New(); |
---|
3109 | _userClipPlanes[4]->SetNormal(0, 0, 1); |
---|
3110 | } |
---|
3111 | _userClipPlanes[4]->SetOrigin(0, 0, bounds[4] + (bounds[5]-bounds[4])*ratio); |
---|
3112 | } else { |
---|
3113 | _userClipPlanes[4] = NULL; |
---|
3114 | } |
---|
3115 | } else { |
---|
3116 | if (ratio < 1.0) { |
---|
3117 | if (_userClipPlanes[5] == NULL) { |
---|
3118 | _userClipPlanes[5] = vtkSmartPointer<vtkPlane>::New(); |
---|
3119 | _userClipPlanes[5]->SetNormal(0, 0, -1); |
---|
3120 | } |
---|
3121 | _userClipPlanes[5]->SetOrigin(0, 0, bounds[4] + (bounds[5]-bounds[4])*ratio); |
---|
3122 | } else { |
---|
3123 | _userClipPlanes[5] = NULL; |
---|
3124 | } |
---|
3125 | } |
---|
3126 | break; |
---|
3127 | default: |
---|
3128 | ; |
---|
3129 | } |
---|
3130 | |
---|
3131 | _needsRedraw = true; |
---|
3132 | } |
---|
3133 | |
---|
3134 | /** |
---|
3135 | * \brief Set up clipping planes for image camera mode if needed |
---|
3136 | */ |
---|
3137 | void Renderer::setCameraClippingPlanes() |
---|
3138 | { |
---|
3139 | /* XXX: Note that there appears to be a bug with setting the |
---|
3140 | * clipping plane collection to NULL in the VTK Mappers -- |
---|
3141 | * the old clip planes are still applied. The workaround here |
---|
3142 | * is to keep the PlaneCollection and add/remove the planes |
---|
3143 | * to/from the PlaneCollection as needed. |
---|
3144 | */ |
---|
3145 | if (_cameraMode == IMAGE) { |
---|
3146 | if (_activeClipPlanes->GetNumberOfItems() == 0) { |
---|
3147 | for (int i = 0; i < 4; i++) |
---|
3148 | _activeClipPlanes->AddItem(_cameraClipPlanes[i]); |
---|
3149 | } |
---|
3150 | } else { |
---|
3151 | if (_activeClipPlanes->GetNumberOfItems() > 0) |
---|
3152 | _activeClipPlanes->RemoveAllItems(); |
---|
3153 | for (int i = 0; i < 6; i++) { |
---|
3154 | if (_userClipPlanes[i] != NULL) { |
---|
3155 | _activeClipPlanes->AddItem(_userClipPlanes[i]); |
---|
3156 | } |
---|
3157 | } |
---|
3158 | } |
---|
3159 | |
---|
3160 | /* Ensure all Mappers are using the PlaneCollection |
---|
3161 | * This will not change the state or timestamp of |
---|
3162 | * Mappers already using the PlaneCollection |
---|
3163 | */ |
---|
3164 | for (Contour2DHashmap::iterator itr = _contour2Ds.begin(); |
---|
3165 | itr != _contour2Ds.end(); ++itr) { |
---|
3166 | itr->second->setClippingPlanes(_activeClipPlanes); |
---|
3167 | } |
---|
3168 | for (Contour3DHashmap::iterator itr = _contour3Ds.begin(); |
---|
3169 | itr != _contour3Ds.end(); ++itr) { |
---|
3170 | itr->second->setClippingPlanes(_activeClipPlanes); |
---|
3171 | } |
---|
3172 | for (CutplaneHashmap::iterator itr = _cutplanes.begin(); |
---|
3173 | itr != _cutplanes.end(); ++itr) { |
---|
3174 | itr->second->setClippingPlanes(_activeClipPlanes); |
---|
3175 | } |
---|
3176 | for (GlyphsHashmap::iterator itr = _glyphs.begin(); |
---|
3177 | itr != _glyphs.end(); ++itr) { |
---|
3178 | itr->second->setClippingPlanes(_activeClipPlanes); |
---|
3179 | } |
---|
3180 | for (HeightMapHashmap::iterator itr = _heightMaps.begin(); |
---|
3181 | itr != _heightMaps.end(); ++itr) { |
---|
3182 | itr->second->setClippingPlanes(_activeClipPlanes); |
---|
3183 | } |
---|
3184 | for (LICHashmap::iterator itr = _lics.begin(); |
---|
3185 | itr != _lics.end(); ++itr) { |
---|
3186 | itr->second->setClippingPlanes(_activeClipPlanes); |
---|
3187 | } |
---|
3188 | for (MoleculeHashmap::iterator itr = _molecules.begin(); |
---|
3189 | itr != _molecules.end(); ++itr) { |
---|
3190 | itr->second->setClippingPlanes(_activeClipPlanes); |
---|
3191 | } |
---|
3192 | for (PolyDataHashmap::iterator itr = _polyDatas.begin(); |
---|
3193 | itr != _polyDatas.end(); ++itr) { |
---|
3194 | itr->second->setClippingPlanes(_activeClipPlanes); |
---|
3195 | } |
---|
3196 | for (PseudoColorHashmap::iterator itr = _pseudoColors.begin(); |
---|
3197 | itr != _pseudoColors.end(); ++itr) { |
---|
3198 | itr->second->setClippingPlanes(_activeClipPlanes); |
---|
3199 | } |
---|
3200 | for (StreamlinesHashmap::iterator itr = _streamlines.begin(); |
---|
3201 | itr != _streamlines.end(); ++itr) { |
---|
3202 | itr->second->setClippingPlanes(_activeClipPlanes); |
---|
3203 | } |
---|
3204 | for (VolumeHashmap::iterator itr = _volumes.begin(); |
---|
3205 | itr != _volumes.end(); ++itr) { |
---|
3206 | itr->second->setClippingPlanes(_activeClipPlanes); |
---|
3207 | } |
---|
3208 | } |
---|
3209 | |
---|
3210 | /** |
---|
3211 | * \brief Control the use of two sided lighting |
---|
3212 | */ |
---|
3213 | void Renderer::setUseTwoSidedLighting(bool state) |
---|
3214 | { |
---|
3215 | _renderer->SetTwoSidedLighting(state ? 1 : 0); |
---|
3216 | _needsRedraw = true; |
---|
3217 | } |
---|
3218 | |
---|
3219 | /** |
---|
3220 | * \brief Control the use of the depth peeling algorithm for transparency |
---|
3221 | */ |
---|
3222 | void Renderer::setUseDepthPeeling(bool state) |
---|
3223 | { |
---|
3224 | _renderer->SetUseDepthPeeling(state ? 1 : 0); |
---|
3225 | _needsRedraw = true; |
---|
3226 | } |
---|
3227 | |
---|
3228 | /** |
---|
3229 | * \brief Sets flag to trigger rendering next time render() is called |
---|
3230 | */ |
---|
3231 | void Renderer::eventuallyRender() |
---|
3232 | { |
---|
3233 | _needsRedraw = true; |
---|
3234 | } |
---|
3235 | |
---|
3236 | /** |
---|
3237 | * \brief Cause the rendering to render a new image if needed |
---|
3238 | * |
---|
3239 | * The _needsRedraw flag indicates if a state change has occured since |
---|
3240 | * the last rendered frame |
---|
3241 | */ |
---|
3242 | bool Renderer::render() |
---|
3243 | { |
---|
3244 | if (_needsRedraw) { |
---|
3245 | setCameraClippingPlanes(); |
---|
3246 | _renderWindow->Render(); |
---|
3247 | _needsRedraw = false; |
---|
3248 | return true; |
---|
3249 | } else |
---|
3250 | return false; |
---|
3251 | } |
---|
3252 | |
---|
3253 | /// Get the pixel width of the render window/image |
---|
3254 | int Renderer::getWindowWidth() const |
---|
3255 | { |
---|
3256 | return _windowWidth; |
---|
3257 | } |
---|
3258 | |
---|
3259 | /// Get the pixel height of the render window/image |
---|
3260 | int Renderer::getWindowHeight() const |
---|
3261 | { |
---|
3262 | return _windowHeight; |
---|
3263 | } |
---|
3264 | |
---|
3265 | /** |
---|
3266 | * \brief Read back the rendered framebuffer image |
---|
3267 | */ |
---|
3268 | void Renderer::getRenderedFrame(vtkUnsignedCharArray *imgData) |
---|
3269 | { |
---|
3270 | #ifdef RENDER_TARGA |
---|
3271 | _renderWindow->MakeCurrent(); |
---|
3272 | // Must clear previous errors first. |
---|
3273 | while (glGetError() != GL_NO_ERROR){ |
---|
3274 | ; |
---|
3275 | } |
---|
3276 | int bytesPerPixel = TARGA_BYTES_PER_PIXEL; |
---|
3277 | int size = bytesPerPixel * _windowWidth * _windowHeight; |
---|
3278 | |
---|
3279 | if (imgData->GetMaxId() + 1 != size) |
---|
3280 | { |
---|
3281 | imgData->SetNumberOfComponents(bytesPerPixel); |
---|
3282 | imgData->SetNumberOfValues(size); |
---|
3283 | } |
---|
3284 | glDisable(GL_TEXTURE_2D); |
---|
3285 | if (_renderWindow->GetDoubleBuffer()) { |
---|
3286 | glReadBuffer(static_cast<GLenum>(vtkOpenGLRenderWindow::SafeDownCast(_renderWindow)->GetBackLeftBuffer())); |
---|
3287 | } else { |
---|
3288 | glReadBuffer(static_cast<GLenum>(vtkOpenGLRenderWindow::SafeDownCast(_renderWindow)->GetFrontLeftBuffer())); |
---|
3289 | } |
---|
3290 | glPixelStorei(GL_PACK_ALIGNMENT, 1); |
---|
3291 | #ifdef WANT_TRACE |
---|
3292 | struct timeval t1, t2; |
---|
3293 | glFinish(); |
---|
3294 | gettimeofday(&t1, 0); |
---|
3295 | #endif |
---|
3296 | if (bytesPerPixel == 4) { |
---|
3297 | glReadPixels(0, 0, _windowWidth, _windowHeight, GL_BGRA, |
---|
3298 | GL_UNSIGNED_BYTE, imgData->GetPointer(0)); |
---|
3299 | } else { |
---|
3300 | glReadPixels(0, 0, _windowWidth, _windowHeight, GL_BGR, |
---|
3301 | GL_UNSIGNED_BYTE, imgData->GetPointer(0)); |
---|
3302 | } |
---|
3303 | #ifdef WANT_TRACE |
---|
3304 | gettimeofday(&t2, 0); |
---|
3305 | static unsigned int numFrames = 0; |
---|
3306 | static double accum = 0; |
---|
3307 | numFrames++; |
---|
3308 | accum += ELAPSED_TIME(t1, t2); |
---|
3309 | #endif |
---|
3310 | TRACE("Readback time: %g ms", ELAPSED_TIME(t1, t2)); |
---|
3311 | TRACE("Readback avg: %g ms", accum/numFrames); |
---|
3312 | if (glGetError() != GL_NO_ERROR) { |
---|
3313 | ERROR("glReadPixels"); |
---|
3314 | } |
---|
3315 | #else |
---|
3316 | _renderWindow->GetPixelData(0, 0, _windowWidth-1, _windowHeight-1, |
---|
3317 | !_renderWindow->GetDoubleBuffer(), imgData); |
---|
3318 | #endif |
---|
3319 | TRACE("Image data size: %d", imgData->GetSize()); |
---|
3320 | } |
---|
3321 | |
---|
3322 | /** |
---|
3323 | * \brief Get nearest data value given display coordinates x,y |
---|
3324 | * |
---|
3325 | * Note: no interpolation is performed on data |
---|
3326 | */ |
---|
3327 | bool Renderer::getScalarValueAtPixel(const DataSetId& id, int x, int y, double *value) |
---|
3328 | { |
---|
3329 | vtkSmartPointer<vtkCoordinate> coord = vtkSmartPointer<vtkCoordinate>::New(); |
---|
3330 | coord->SetCoordinateSystemToDisplay(); |
---|
3331 | coord->SetValue(x, _windowHeight - y, 0); |
---|
3332 | double *worldCoords = coord->GetComputedWorldValue(_renderer); |
---|
3333 | |
---|
3334 | TRACE("Pixel coords: %d, %d\nWorld coords: %g, %g, %g", x, y, |
---|
3335 | worldCoords[0], |
---|
3336 | worldCoords[1], |
---|
3337 | worldCoords[2]); |
---|
3338 | |
---|
3339 | return getScalarValue(id, worldCoords[0], worldCoords[1], worldCoords[2], value); |
---|
3340 | } |
---|
3341 | |
---|
3342 | /** |
---|
3343 | * \brief Get nearest data value given world coordinates x,y,z |
---|
3344 | * |
---|
3345 | * Note: no interpolation is performed on data |
---|
3346 | */ |
---|
3347 | bool Renderer::getScalarValue(const DataSetId& id, double x, double y, double z, double *value) |
---|
3348 | { |
---|
3349 | DataSet *ds = getDataSet(id); |
---|
3350 | if (ds == NULL) |
---|
3351 | return false; |
---|
3352 | |
---|
3353 | return ds->getScalarValue(x, y, z, value); |
---|
3354 | } |
---|
3355 | |
---|
3356 | /** |
---|
3357 | * \brief Get nearest data value given display coordinates x,y |
---|
3358 | * |
---|
3359 | * Note: no interpolation is performed on data |
---|
3360 | */ |
---|
3361 | bool Renderer::getVectorValueAtPixel(const DataSetId& id, int x, int y, double vector[3]) |
---|
3362 | { |
---|
3363 | vtkSmartPointer<vtkCoordinate> coord = vtkSmartPointer<vtkCoordinate>::New(); |
---|
3364 | coord->SetCoordinateSystemToDisplay(); |
---|
3365 | coord->SetValue(x, _windowHeight - y, 0); |
---|
3366 | double *worldCoords = coord->GetComputedWorldValue(_renderer); |
---|
3367 | |
---|
3368 | TRACE("Pixel coords: %d, %d\nWorld coords: %g, %g, %g", x, y, |
---|
3369 | worldCoords[0], |
---|
3370 | worldCoords[1], |
---|
3371 | worldCoords[2]); |
---|
3372 | |
---|
3373 | return getVectorValue(id, worldCoords[0], worldCoords[1], worldCoords[2], vector); |
---|
3374 | } |
---|
3375 | |
---|
3376 | /** |
---|
3377 | * \brief Get nearest data value given world coordinates x,y,z |
---|
3378 | * |
---|
3379 | * Note: no interpolation is performed on data |
---|
3380 | */ |
---|
3381 | bool Renderer::getVectorValue(const DataSetId& id, double x, double y, double z, double vector[3]) |
---|
3382 | { |
---|
3383 | DataSet *ds = getDataSet(id); |
---|
3384 | if (ds == NULL) |
---|
3385 | return false; |
---|
3386 | |
---|
3387 | return ds->getVectorValue(x, y, z, vector); |
---|
3388 | } |
---|