1 | /* -*- mode: c++; c-basic-offset: 4; indent-tabs-mode: nil -*- */ |
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2 | /* |
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3 | * Copyright (C) 2004-2012 HUBzero Foundation, LLC |
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4 | * |
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5 | * Author: Leif Delgass <ldelgass@purdue.edu> |
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6 | */ |
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7 | |
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8 | #include <cassert> |
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9 | |
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10 | #include <vtkDataSet.h> |
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11 | #include <vtkPointData.h> |
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12 | #include <vtkCellData.h> |
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13 | #include <vtkCellDataToPointData.h> |
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14 | #include <vtkPolyDataMapper.h> |
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15 | #include <vtkUnstructuredGrid.h> |
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16 | #include <vtkProperty.h> |
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17 | #include <vtkImageData.h> |
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18 | #include <vtkLookupTable.h> |
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19 | #include <vtkTransform.h> |
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20 | #include <vtkDelaunay2D.h> |
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21 | #include <vtkDelaunay3D.h> |
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22 | #include <vtkGaussianSplatter.h> |
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23 | #include <vtkExtractVOI.h> |
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24 | #include <vtkDataSetSurfaceFilter.h> |
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25 | #include <vtkContourFilter.h> |
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26 | #include <vtkStripper.h> |
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27 | #include <vtkWarpScalar.h> |
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28 | #include <vtkPropAssembly.h> |
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29 | #include <vtkCutter.h> |
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30 | #include <vtkPlane.h> |
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31 | |
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32 | #include "HeightMap.h" |
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33 | #include "Renderer.h" |
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34 | #include "Trace.h" |
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35 | |
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36 | using namespace VtkVis; |
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37 | |
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38 | #define TRANSLATE_TO_ZORIGIN |
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39 | |
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40 | HeightMap::HeightMap(int numContours, double heightScale) : |
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41 | GraphicsObject(), |
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42 | _numContours(numContours), |
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43 | _contourColorMap(false), |
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44 | _contourEdgeWidth(1.0), |
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45 | _warpScale(heightScale), |
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46 | _sliceAxis(Z_AXIS), |
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47 | _pipelineInitialized(false), |
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48 | _cloudStyle(CLOUD_MESH), |
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49 | _colorMap(NULL), |
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50 | _colorMode(COLOR_BY_SCALAR), |
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51 | _colorFieldType(DataSet::POINT_DATA), |
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52 | _renderer(NULL) |
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53 | { |
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54 | _contourEdgeColor[0] = 0.0f; |
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55 | _contourEdgeColor[1] = 0.0f; |
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56 | _contourEdgeColor[2] = 0.0f; |
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57 | _colorFieldRange[0] = DBL_MAX; |
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58 | _colorFieldRange[1] = -DBL_MAX; |
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59 | } |
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60 | |
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61 | HeightMap::HeightMap(const std::vector<double>& contours, double heightScale) : |
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62 | GraphicsObject(), |
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63 | _numContours(contours.size()), |
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64 | _contours(contours), |
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65 | _contourColorMap(false), |
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66 | _contourEdgeWidth(1.0), |
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67 | _warpScale(heightScale), |
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68 | _sliceAxis(Z_AXIS), |
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69 | _pipelineInitialized(false), |
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70 | _cloudStyle(CLOUD_MESH), |
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71 | _colorMap(NULL), |
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72 | _colorMode(COLOR_BY_SCALAR), |
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73 | _colorFieldType(DataSet::POINT_DATA), |
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74 | _renderer(NULL) |
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75 | { |
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76 | _contourEdgeColor[0] = 0.0f; |
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77 | _contourEdgeColor[1] = 0.0f; |
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78 | _contourEdgeColor[2] = 0.0f; |
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79 | _colorFieldRange[0] = DBL_MAX; |
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80 | _colorFieldRange[1] = -DBL_MAX; |
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81 | } |
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82 | |
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83 | HeightMap::~HeightMap() |
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84 | { |
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85 | #ifdef WANT_TRACE |
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86 | if (_dataSet != NULL) |
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87 | TRACE("Deleting HeightMap for %s", _dataSet->getName().c_str()); |
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88 | else |
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89 | TRACE("Deleting HeightMap with NULL DataSet"); |
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90 | #endif |
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91 | } |
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92 | |
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93 | void HeightMap::setDataSet(DataSet *dataSet, |
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94 | Renderer *renderer) |
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95 | { |
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96 | if (_dataSet != dataSet) { |
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97 | _dataSet = dataSet; |
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98 | _renderer = renderer; |
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99 | |
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100 | if (_dataSet != NULL) { |
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101 | TRACE("DataSet name: '%s' type: %s", |
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102 | _dataSet->getName().c_str(), |
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103 | _dataSet->getVtkType()); |
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104 | |
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105 | if (renderer->getUseCumulativeRange()) { |
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106 | renderer->getCumulativeDataRange(_dataRange, |
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107 | _dataSet->getActiveScalarsName(), |
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108 | 1); |
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109 | const char *activeVectors = _dataSet->getActiveVectorsName(); |
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110 | if (activeVectors != NULL) { |
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111 | renderer->getCumulativeDataRange(_vectorMagnitudeRange, |
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112 | activeVectors, |
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113 | 3); |
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114 | for (int i = 0; i < 3; i++) { |
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115 | renderer->getCumulativeDataRange(_vectorComponentRange[i], |
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116 | activeVectors, |
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117 | 3, i); |
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118 | } |
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119 | } |
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120 | } else { |
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121 | _dataSet->getScalarRange(_dataRange); |
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122 | _dataSet->getVectorRange(_vectorMagnitudeRange); |
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123 | for (int i = 0; i < 3; i++) { |
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124 | _dataSet->getVectorRange(_vectorComponentRange[i], i); |
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125 | } |
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126 | } |
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127 | } |
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128 | |
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129 | update(); |
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130 | } |
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131 | } |
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132 | |
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133 | /** |
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134 | * Compute a data scaling factor to make maximum height (at default _warpScale) |
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135 | * equivalent to largest dimension of data set |
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136 | */ |
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137 | void HeightMap::computeDataScale() |
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138 | { |
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139 | if (_dataSet == NULL) |
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140 | return; |
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141 | |
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142 | double bounds[6]; |
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143 | double boundsRange = 0.0; |
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144 | _dataSet->getBounds(bounds); |
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145 | for (int i = 0; i < 6; i+=2) { |
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146 | double r = bounds[i+1] - bounds[i]; |
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147 | if (r > boundsRange) |
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148 | boundsRange = r; |
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149 | } |
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150 | double datRange = _dataRange[1] - _dataRange[0]; |
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151 | if (datRange < 1.0e-17) { |
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152 | _dataScale = 1.0; |
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153 | } else { |
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154 | _dataScale = boundsRange / datRange; |
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155 | } |
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156 | TRACE("Bounds range: %g data range: %g scaling: %g", |
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157 | boundsRange, datRange, _dataScale); |
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158 | } |
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159 | |
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160 | /** |
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161 | * \brief Create and initialize VTK Props to render the colormapped dataset |
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162 | */ |
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163 | void HeightMap::initProp() |
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164 | { |
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165 | if (_dsActor == NULL) { |
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166 | _dsActor = vtkSmartPointer<vtkActor>::New(); |
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167 | _dsActor->GetProperty()->SetOpacity(_opacity); |
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168 | _dsActor->GetProperty()->SetColor(_color[0], |
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169 | _color[1], |
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170 | _color[2]); |
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171 | _dsActor->GetProperty()->SetEdgeColor(_edgeColor[0], |
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172 | _edgeColor[1], |
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173 | _edgeColor[2]); |
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174 | _dsActor->GetProperty()->SetLineWidth(_edgeWidth); |
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175 | _dsActor->GetProperty()->EdgeVisibilityOff(); |
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176 | _dsActor->GetProperty()->SetAmbient(0.2); |
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177 | _dsActor->GetProperty()->LightingOn(); |
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178 | } |
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179 | if (_contourActor == NULL) { |
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180 | _contourActor = vtkSmartPointer<vtkActor>::New(); |
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181 | _contourActor->GetProperty()->SetOpacity(_opacity); |
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182 | _contourActor->GetProperty()->SetColor(_contourEdgeColor[0], |
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183 | _contourEdgeColor[1], |
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184 | _contourEdgeColor[2]); |
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185 | _contourActor->GetProperty()->SetEdgeColor(_contourEdgeColor[0], |
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186 | _contourEdgeColor[1], |
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187 | _contourEdgeColor[2]); |
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188 | _contourActor->GetProperty()->SetLineWidth(_contourEdgeWidth); |
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189 | _contourActor->GetProperty()->EdgeVisibilityOff(); |
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190 | _contourActor->GetProperty()->SetAmbient(1.0); |
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191 | _contourActor->GetProperty()->LightingOff(); |
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192 | } |
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193 | // Contour actor is added in update() if contours are produced |
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194 | if (_prop == NULL) { |
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195 | _prop = vtkSmartPointer<vtkAssembly>::New(); |
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196 | getAssembly()->AddPart(_dsActor); |
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197 | } else { |
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198 | getAssembly()->RemovePart(_contourActor); |
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199 | } |
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200 | } |
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201 | |
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202 | /** |
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203 | * \brief Internal method to set up pipeline after a state change |
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204 | */ |
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205 | void HeightMap::update() |
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206 | { |
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207 | if (_dataSet == NULL) |
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208 | return; |
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209 | |
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210 | TRACE("DataSet: %s", _dataSet->getName().c_str()); |
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211 | |
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212 | vtkDataSet *ds = _dataSet->getVtkDataSet(); |
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213 | |
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214 | computeDataScale(); |
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215 | |
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216 | // Contour filter to generate isolines |
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217 | if (_contourFilter == NULL) { |
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218 | _contourFilter = vtkSmartPointer<vtkContourFilter>::New(); |
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219 | } |
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220 | |
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221 | // Mapper, actor to render color-mapped data set |
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222 | if (_mapper == NULL) { |
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223 | _mapper = vtkSmartPointer<vtkPolyDataMapper>::New(); |
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224 | // Map scalars through lookup table regardless of type |
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225 | _mapper->SetColorModeToMapScalars(); |
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226 | } |
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227 | |
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228 | if (!_pipelineInitialized) { |
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229 | vtkSmartPointer<vtkCellDataToPointData> cellToPtData; |
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230 | |
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231 | if (ds->GetPointData() == NULL || |
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232 | ds->GetPointData()->GetScalars() == NULL) { |
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233 | TRACE("No scalar point data in dataset %s", _dataSet->getName().c_str()); |
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234 | if (ds->GetCellData() != NULL && |
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235 | ds->GetCellData()->GetScalars() != NULL) { |
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236 | cellToPtData = |
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237 | vtkSmartPointer<vtkCellDataToPointData>::New(); |
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238 | #ifdef USE_VTK6 |
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239 | cellToPtData->SetInputData(ds); |
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240 | #else |
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241 | cellToPtData->SetInput(ds); |
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242 | #endif |
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243 | //cellToPtData->PassCellDataOn(); |
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244 | cellToPtData->Update(); |
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245 | ds = cellToPtData->GetOutput(); |
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246 | } else { |
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247 | USER_ERROR("No scalar field was found in the data set."); |
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248 | return; |
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249 | } |
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250 | } |
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251 | |
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252 | _splatter = NULL; |
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253 | |
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254 | if (_dataSet->isCloud()) { |
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255 | // DataSet is a point cloud |
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256 | PrincipalPlane plane; |
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257 | double offset; |
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258 | if (_dataSet->is2D(&plane, &offset)) { |
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259 | if (_cloudStyle == CLOUD_MESH) { |
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260 | // Result of Delaunay2D is a PolyData |
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261 | vtkSmartPointer<vtkDelaunay2D> mesher = vtkSmartPointer<vtkDelaunay2D>::New(); |
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262 | if (plane == PLANE_ZY) { |
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263 | vtkSmartPointer<vtkTransform> trans = vtkSmartPointer<vtkTransform>::New(); |
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264 | trans->RotateWXYZ(90, 0, 1, 0); |
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265 | if (offset != 0.0) { |
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266 | trans->Translate(-offset, 0, 0); |
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267 | } |
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268 | mesher->SetTransform(trans); |
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269 | _sliceAxis = X_AXIS; |
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270 | } else if (plane == PLANE_XZ) { |
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271 | vtkSmartPointer<vtkTransform> trans = vtkSmartPointer<vtkTransform>::New(); |
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272 | trans->RotateWXYZ(-90, 1, 0, 0); |
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273 | if (offset != 0.0) { |
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274 | trans->Translate(0, -offset, 0); |
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275 | } |
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276 | mesher->SetTransform(trans); |
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277 | _sliceAxis = Y_AXIS; |
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278 | } else if (offset != 0.0) { |
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279 | // XY with Z offset |
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280 | vtkSmartPointer<vtkTransform> trans = vtkSmartPointer<vtkTransform>::New(); |
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281 | trans->Translate(0, 0, -offset); |
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282 | mesher->SetTransform(trans); |
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283 | } |
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284 | #ifdef USE_VTK6 |
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285 | mesher->SetInputData(ds); |
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286 | #else |
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287 | mesher->SetInput(ds); |
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288 | #endif |
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289 | vtkAlgorithmOutput *warpOutput = initWarp(mesher->GetOutputPort()); |
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290 | _mapper->SetInputConnection(warpOutput); |
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291 | _contourFilter->SetInputConnection(warpOutput); |
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292 | } else { |
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293 | // _cloudStyle == CLOUD_SPLAT |
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294 | if (_splatter == NULL) |
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295 | _splatter = vtkSmartPointer<vtkGaussianSplatter>::New(); |
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296 | if (_volumeSlicer == NULL) |
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297 | _volumeSlicer = vtkSmartPointer<vtkExtractVOI>::New(); |
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298 | #ifdef USE_VTK6 |
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299 | _splatter->SetInputData(ds); |
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300 | #else |
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301 | _splatter->SetInput(ds); |
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302 | #endif |
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303 | int dims[3]; |
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304 | _splatter->GetSampleDimensions(dims); |
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305 | TRACE("Sample dims: %d %d %d", dims[0], dims[1], dims[2]); |
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306 | if (plane == PLANE_ZY) { |
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307 | dims[0] = 3; |
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308 | _volumeSlicer->SetVOI(1, 1, 0, dims[1]-1, 0, dims[1]-1); |
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309 | _sliceAxis = X_AXIS; |
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310 | } else if (plane == PLANE_XZ) { |
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311 | dims[1] = 3; |
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312 | _volumeSlicer->SetVOI(0, dims[0]-1, 1, 1, 0, dims[2]-1); |
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313 | _sliceAxis = Y_AXIS; |
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314 | } else { |
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315 | dims[2] = 3; |
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316 | _volumeSlicer->SetVOI(0, dims[0]-1, 0, dims[1]-1, 1, 1); |
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317 | } |
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318 | _splatter->SetSampleDimensions(dims); |
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319 | double bounds[6]; |
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320 | _splatter->Update(); |
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321 | _splatter->GetModelBounds(bounds); |
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322 | TRACE("Model bounds: %g %g %g %g %g %g", |
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323 | bounds[0], bounds[1], |
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324 | bounds[2], bounds[3], |
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325 | bounds[4], bounds[5]); |
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326 | _volumeSlicer->SetInputConnection(_splatter->GetOutputPort()); |
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327 | _volumeSlicer->SetSampleRate(1, 1, 1); |
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328 | vtkSmartPointer<vtkDataSetSurfaceFilter> gf = vtkSmartPointer<vtkDataSetSurfaceFilter>::New(); |
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329 | gf->UseStripsOn(); |
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330 | gf->SetInputConnection(_volumeSlicer->GetOutputPort()); |
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331 | vtkAlgorithmOutput *warpOutput = initWarp(gf->GetOutputPort()); |
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332 | _mapper->SetInputConnection(warpOutput); |
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333 | _contourFilter->SetInputConnection(warpOutput); |
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334 | } |
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335 | } else { |
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336 | // 3D point cloud |
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337 | vtkSmartPointer<vtkDataSetSurfaceFilter> gf = vtkSmartPointer<vtkDataSetSurfaceFilter>::New(); |
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338 | gf->UseStripsOn(); |
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339 | if (_cloudStyle == CLOUD_MESH) { |
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340 | // Result of Delaunay3D mesher is unstructured grid |
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341 | vtkSmartPointer<vtkDelaunay3D> mesher = vtkSmartPointer<vtkDelaunay3D>::New(); |
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342 | #ifdef USE_VTK6 |
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343 | mesher->SetInputData(ds); |
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344 | #else |
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345 | mesher->SetInput(ds); |
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346 | #endif |
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347 | // Run the mesher |
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348 | mesher->Update(); |
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349 | // Get bounds of resulting grid |
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350 | double bounds[6]; |
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351 | mesher->GetOutput()->GetBounds(bounds); |
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352 | // Sample a plane within the grid bounding box |
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353 | vtkSmartPointer<vtkCutter> cutter = vtkSmartPointer<vtkCutter>::New(); |
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354 | cutter->SetInputConnection(mesher->GetOutputPort()); |
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355 | if (_cutPlane == NULL) { |
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356 | _cutPlane = vtkSmartPointer<vtkPlane>::New(); |
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357 | } |
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358 | _cutPlane->SetNormal(0, 0, 1); |
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359 | _cutPlane->SetOrigin(0, |
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360 | 0, |
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361 | bounds[4] + (bounds[5]-bounds[4])/2.); |
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362 | cutter->SetCutFunction(_cutPlane); |
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363 | gf->SetInputConnection(cutter->GetOutputPort()); |
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364 | } else { |
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365 | // _cloudStyle == CLOUD_SPLAT |
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366 | if (_splatter == NULL) |
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367 | _splatter = vtkSmartPointer<vtkGaussianSplatter>::New(); |
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368 | #ifdef USE_VTK6 |
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369 | _splatter->SetInputData(ds); |
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370 | #else |
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371 | _splatter->SetInput(ds); |
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372 | #endif |
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373 | int dims[3]; |
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374 | _splatter->GetSampleDimensions(dims); |
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375 | TRACE("Sample dims: %d %d %d", dims[0], dims[1], dims[2]); |
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376 | dims[2] = 3; |
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377 | _splatter->SetSampleDimensions(dims); |
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378 | double bounds[6]; |
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379 | _splatter->Update(); |
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380 | _splatter->GetModelBounds(bounds); |
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381 | TRACE("Model bounds: %g %g %g %g %g %g", |
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382 | bounds[0], bounds[1], |
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383 | bounds[2], bounds[3], |
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384 | bounds[4], bounds[5]); |
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385 | if (_volumeSlicer == NULL) |
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386 | _volumeSlicer = vtkSmartPointer<vtkExtractVOI>::New(); |
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387 | _volumeSlicer->SetInputConnection(_splatter->GetOutputPort()); |
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388 | _volumeSlicer->SetVOI(0, dims[0]-1, 0, dims[1]-1, 1, 1); |
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389 | _volumeSlicer->SetSampleRate(1, 1, 1); |
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390 | gf->SetInputConnection(_volumeSlicer->GetOutputPort()); |
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391 | } |
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392 | vtkAlgorithmOutput *warpOutput = initWarp(gf->GetOutputPort()); |
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393 | _mapper->SetInputConnection(warpOutput); |
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394 | _contourFilter->SetInputConnection(warpOutput); |
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395 | } |
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396 | } else if (vtkPolyData::SafeDownCast(ds) != NULL) { |
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397 | // DataSet is a vtkPolyData with lines and/or polygons |
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398 | vtkAlgorithmOutput *warpOutput = initWarp(ds); |
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399 | if (warpOutput != NULL) { |
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400 | _mapper->SetInputConnection(warpOutput); |
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401 | _contourFilter->SetInputConnection(warpOutput); |
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402 | } else { |
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403 | #ifdef USE_VTK6 |
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404 | _mapper->SetInputData(vtkPolyData::SafeDownCast(ds)); |
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405 | _contourFilter->SetInputData(ds); |
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406 | #else |
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407 | _mapper->SetInput(vtkPolyData::SafeDownCast(ds)); |
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408 | _contourFilter->SetInput(ds); |
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409 | #endif |
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410 | } |
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411 | } else { |
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412 | // DataSet is NOT a vtkPolyData |
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413 | // Can be: image/volume/uniform grid, structured grid, unstructured grid, rectilinear grid |
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414 | vtkSmartPointer<vtkDataSetSurfaceFilter> gf = vtkSmartPointer<vtkDataSetSurfaceFilter>::New(); |
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415 | gf->UseStripsOn(); |
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416 | vtkImageData *imageData = vtkImageData::SafeDownCast(ds); |
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417 | if (!_dataSet->is2D() && imageData != NULL) { |
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418 | // 3D image/volume/uniform grid |
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419 | if (_volumeSlicer == NULL) |
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420 | _volumeSlicer = vtkSmartPointer<vtkExtractVOI>::New(); |
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421 | int dims[3]; |
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422 | imageData->GetDimensions(dims); |
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423 | TRACE("Image data dimensions: %d %d %d", dims[0], dims[1], dims[2]); |
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424 | #ifdef USE_VTK6 |
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425 | _volumeSlicer->SetInputData(ds); |
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426 | #else |
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427 | _volumeSlicer->SetInput(ds); |
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428 | #endif |
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429 | _volumeSlicer->SetVOI(0, dims[0]-1, 0, dims[1]-1, (dims[2]-1)/2, (dims[2]-1)/2); |
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430 | _volumeSlicer->SetSampleRate(1, 1, 1); |
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431 | gf->SetInputConnection(_volumeSlicer->GetOutputPort()); |
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432 | } else if (!_dataSet->is2D() && imageData == NULL) { |
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433 | // 3D structured grid, unstructured grid, or rectilinear grid |
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434 | double bounds[6]; |
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435 | ds->GetBounds(bounds); |
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436 | // Sample a plane within the grid bounding box |
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437 | vtkSmartPointer<vtkCutter> cutter = vtkSmartPointer<vtkCutter>::New(); |
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438 | #ifdef USE_VTK6 |
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439 | cutter->SetInputData(ds); |
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440 | #else |
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441 | cutter->SetInput(ds); |
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442 | #endif |
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443 | if (_cutPlane == NULL) { |
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444 | _cutPlane = vtkSmartPointer<vtkPlane>::New(); |
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445 | } |
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446 | _cutPlane->SetNormal(0, 0, 1); |
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447 | _cutPlane->SetOrigin(0, |
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448 | 0, |
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449 | bounds[4] + (bounds[5]-bounds[4])/2.); |
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450 | cutter->SetCutFunction(_cutPlane); |
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451 | gf->SetInputConnection(cutter->GetOutputPort()); |
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452 | } else { |
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453 | // 2D data |
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454 | #ifdef USE_VTK6 |
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455 | gf->SetInputData(ds); |
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456 | #else |
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457 | gf->SetInput(ds); |
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458 | #endif |
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459 | } |
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460 | vtkAlgorithmOutput *warpOutput = initWarp(gf->GetOutputPort()); |
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461 | _mapper->SetInputConnection(warpOutput); |
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462 | _contourFilter->SetInputConnection(warpOutput); |
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463 | } |
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464 | } |
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465 | |
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466 | _contourFilter->ComputeNormalsOff(); |
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467 | _contourFilter->ComputeGradientsOff(); |
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468 | |
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469 | // Speed up multiple contour computation at cost of extra memory use |
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470 | if (_numContours > 1) { |
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471 | _contourFilter->UseScalarTreeOn(); |
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472 | } else { |
---|
473 | _contourFilter->UseScalarTreeOff(); |
---|
474 | } |
---|
475 | |
---|
476 | _contourFilter->SetNumberOfContours(_numContours); |
---|
477 | |
---|
478 | if (_contours.empty()) { |
---|
479 | // Evenly spaced isovalues |
---|
480 | if (_colorFieldRange[0] <= _colorFieldRange[1]) { |
---|
481 | _contourFilter->GenerateValues(_numContours, _colorFieldRange[0], _colorFieldRange[1]); |
---|
482 | } else { |
---|
483 | _contourFilter->GenerateValues(_numContours, _dataRange[0], _dataRange[1]); |
---|
484 | } |
---|
485 | } else { |
---|
486 | // User-supplied isovalues |
---|
487 | for (int i = 0; i < _numContours; i++) { |
---|
488 | _contourFilter->SetValue(i, _contours[i]); |
---|
489 | } |
---|
490 | } |
---|
491 | |
---|
492 | initProp(); |
---|
493 | |
---|
494 | if (_contourMapper == NULL) { |
---|
495 | _contourMapper = vtkSmartPointer<vtkPolyDataMapper>::New(); |
---|
496 | _contourMapper->ScalarVisibilityOff(); |
---|
497 | _contourMapper->SetResolveCoincidentTopologyToPolygonOffset(); |
---|
498 | vtkSmartPointer<vtkStripper> stripper = vtkSmartPointer<vtkStripper>::New(); |
---|
499 | stripper->SetInputConnection(_contourFilter->GetOutputPort()); |
---|
500 | _contourMapper->SetInputConnection(stripper->GetOutputPort()); |
---|
501 | _contourActor->SetMapper(_contourMapper); |
---|
502 | //_contourActor->InterpolateScalarsBeforeMappingOn(); |
---|
503 | } |
---|
504 | |
---|
505 | setInterpolateBeforeMapping(true); |
---|
506 | |
---|
507 | if (_lut == NULL) { |
---|
508 | setColorMap(ColorMap::getDefault()); |
---|
509 | setColorMode(_colorMode); |
---|
510 | } else if (!_pipelineInitialized) { |
---|
511 | double *rangePtr = _colorFieldRange; |
---|
512 | if (_colorFieldRange[0] > _colorFieldRange[1]) { |
---|
513 | rangePtr = NULL; |
---|
514 | } |
---|
515 | setColorMode(_colorMode, _colorFieldType, _colorFieldName.c_str(), rangePtr); |
---|
516 | } |
---|
517 | |
---|
518 | _pipelineInitialized = true; |
---|
519 | |
---|
520 | // Ensure updated dataScale is applied |
---|
521 | if (_warp != NULL) { |
---|
522 | _warp->SetScaleFactor(_warpScale * _dataScale); |
---|
523 | } |
---|
524 | #ifdef TRANSLATE_TO_ZORIGIN |
---|
525 | double pos[3]; |
---|
526 | pos[0] = 0; |
---|
527 | pos[1] = 0; |
---|
528 | pos[2] = - _warpScale * _dataScale * _dataRange[0]; |
---|
529 | setPosition(pos); |
---|
530 | TRACE("Z_POS: %g", pos[2]); |
---|
531 | #endif |
---|
532 | _dsActor->SetMapper(_mapper); |
---|
533 | |
---|
534 | _mapper->Update(); |
---|
535 | _contourMapper->Update(); |
---|
536 | |
---|
537 | // Only add contour actor to assembly if contours were |
---|
538 | // produced, in order to prevent messing up assembly bounds |
---|
539 | double bounds[6]; |
---|
540 | _contourActor->GetBounds(bounds); |
---|
541 | if (bounds[0] <= bounds[1]) { |
---|
542 | getAssembly()->AddPart(_contourActor); |
---|
543 | } |
---|
544 | } |
---|
545 | |
---|
546 | void HeightMap::setCloudStyle(CloudStyle style) |
---|
547 | { |
---|
548 | if (style != _cloudStyle) { |
---|
549 | _cloudStyle = style; |
---|
550 | if (_dataSet != NULL) { |
---|
551 | _pipelineInitialized = false; |
---|
552 | update(); |
---|
553 | } |
---|
554 | } |
---|
555 | } |
---|
556 | |
---|
557 | void HeightMap::setInterpolateBeforeMapping(bool state) |
---|
558 | { |
---|
559 | if (_mapper != NULL) { |
---|
560 | _mapper->SetInterpolateScalarsBeforeMapping((state ? 1 : 0)); |
---|
561 | } |
---|
562 | } |
---|
563 | |
---|
564 | void HeightMap::setAspect(double aspect) |
---|
565 | { |
---|
566 | double bounds[6]; |
---|
567 | vtkDataSet *ds = _dataSet->getVtkDataSet(); |
---|
568 | ds->GetBounds(bounds); |
---|
569 | double size[3]; |
---|
570 | size[0] = bounds[1] - bounds[0]; |
---|
571 | size[1] = bounds[3] - bounds[2]; |
---|
572 | size[2] = bounds[5] - bounds[4]; |
---|
573 | double scale[3]; |
---|
574 | scale[0] = scale[1] = scale[2] = 1.; |
---|
575 | |
---|
576 | if (aspect == 1.0) { |
---|
577 | // Square |
---|
578 | switch (_sliceAxis) { |
---|
579 | case X_AXIS: { |
---|
580 | if (size[1] > size[2] && size[2] > 1.0e-6) { |
---|
581 | scale[2] = size[1] / size[2]; |
---|
582 | } else if (size[2] > size[1] && size[1] > 1.0e-6) { |
---|
583 | scale[1] = size[2] / size[1]; |
---|
584 | } |
---|
585 | } |
---|
586 | break; |
---|
587 | case Y_AXIS: { |
---|
588 | if (size[0] > size[2] && size[2] > 1.0e-6) { |
---|
589 | scale[2] = size[0] / size[2]; |
---|
590 | } else if (size[2] > size[0] && size[0] > 1.0e-6) { |
---|
591 | scale[0] = size[2] / size[0]; |
---|
592 | } |
---|
593 | } |
---|
594 | break; |
---|
595 | case Z_AXIS: { |
---|
596 | if (size[0] > size[1] && size[1] > 1.0e-6) { |
---|
597 | scale[1] = size[0] / size[1]; |
---|
598 | } else if (size[1] > size[0] && size[0] > 1.0e-6) { |
---|
599 | scale[0] = size[1] / size[0]; |
---|
600 | } |
---|
601 | } |
---|
602 | break; |
---|
603 | } |
---|
604 | } else if (aspect != 0.0) { |
---|
605 | switch (_sliceAxis) { |
---|
606 | case X_AXIS: { |
---|
607 | if (aspect > 1.0) { |
---|
608 | if (size[2] > size[1]) { |
---|
609 | scale[1] = (size[2] / aspect) / size[1]; |
---|
610 | } else { |
---|
611 | scale[2] = (size[1] * aspect) / size[2]; |
---|
612 | } |
---|
613 | } else { |
---|
614 | if (size[1] > size[2]) { |
---|
615 | scale[2] = (size[1] * aspect) / size[2]; |
---|
616 | } else { |
---|
617 | scale[1] = (size[2] / aspect) / size[1]; |
---|
618 | } |
---|
619 | } |
---|
620 | } |
---|
621 | break; |
---|
622 | case Y_AXIS: { |
---|
623 | if (aspect > 1.0) { |
---|
624 | if (size[0] > size[2]) { |
---|
625 | scale[2] = (size[0] / aspect) / size[2]; |
---|
626 | } else { |
---|
627 | scale[0] = (size[2] * aspect) / size[0]; |
---|
628 | } |
---|
629 | } else { |
---|
630 | if (size[2] > size[0]) { |
---|
631 | scale[0] = (size[2] * aspect) / size[0]; |
---|
632 | } else { |
---|
633 | scale[2] = (size[0] / aspect) / size[2]; |
---|
634 | } |
---|
635 | } |
---|
636 | } |
---|
637 | break; |
---|
638 | case Z_AXIS: { |
---|
639 | if (aspect > 1.0) { |
---|
640 | if (size[0] > size[1]) { |
---|
641 | scale[1] = (size[0] / aspect) / size[1]; |
---|
642 | } else { |
---|
643 | scale[0] = (size[1] * aspect) / size[0]; |
---|
644 | } |
---|
645 | } else { |
---|
646 | if (size[1] > size[0]) { |
---|
647 | scale[0] = (size[1] * aspect) / size[0]; |
---|
648 | } else { |
---|
649 | scale[1] = (size[0] / aspect) / size[1]; |
---|
650 | } |
---|
651 | } |
---|
652 | } |
---|
653 | break; |
---|
654 | } |
---|
655 | } |
---|
656 | |
---|
657 | TRACE("%s dims %g,%g,%g", _dataSet->getName().c_str(), |
---|
658 | size[0], size[1], size[2]); |
---|
659 | TRACE("Setting scale to %g,%g,%g", scale[0], scale[1], scale[2]); |
---|
660 | setScale(scale); |
---|
661 | } |
---|
662 | |
---|
663 | vtkAlgorithmOutput *HeightMap::initWarp(vtkAlgorithmOutput *input) |
---|
664 | { |
---|
665 | TRACE("Warp scale: %g", _warpScale); |
---|
666 | if (_warpScale == 0.0) { |
---|
667 | _warp = NULL; |
---|
668 | _normalsGenerator = NULL; |
---|
669 | return input; |
---|
670 | } else if (input == NULL) { |
---|
671 | ERROR("NULL input"); |
---|
672 | return input; |
---|
673 | } else { |
---|
674 | if (_warp == NULL) |
---|
675 | _warp = vtkSmartPointer<vtkWarpScalar>::New(); |
---|
676 | if (_normalsGenerator == NULL) |
---|
677 | _normalsGenerator = vtkSmartPointer<vtkPolyDataNormals>::New(); |
---|
678 | switch (_sliceAxis) { |
---|
679 | case X_AXIS: |
---|
680 | _warp->SetNormal(1, 0, 0); |
---|
681 | break; |
---|
682 | case Y_AXIS: |
---|
683 | _warp->SetNormal(0, 1, 0); |
---|
684 | break; |
---|
685 | default: |
---|
686 | _warp->SetNormal(0, 0, 1); |
---|
687 | } |
---|
688 | _warp->UseNormalOn(); |
---|
689 | _warp->SetScaleFactor(_warpScale * _dataScale); |
---|
690 | _warp->SetInputConnection(input); |
---|
691 | _normalsGenerator->SetInputConnection(_warp->GetOutputPort()); |
---|
692 | _normalsGenerator->SetFeatureAngle(90.); |
---|
693 | _normalsGenerator->AutoOrientNormalsOff(); |
---|
694 | _normalsGenerator->ComputePointNormalsOn(); |
---|
695 | return _normalsGenerator->GetOutputPort(); |
---|
696 | } |
---|
697 | } |
---|
698 | |
---|
699 | vtkAlgorithmOutput *HeightMap::initWarp(vtkDataSet *dsInput) |
---|
700 | { |
---|
701 | TRACE("Warp scale: %g", _warpScale); |
---|
702 | if (_warpScale == 0.0) { |
---|
703 | _warp = NULL; |
---|
704 | _normalsGenerator = NULL; |
---|
705 | return NULL; |
---|
706 | } else if (dsInput == NULL) { |
---|
707 | ERROR("NULL input"); |
---|
708 | return NULL; |
---|
709 | } else { |
---|
710 | if (_warp == NULL) |
---|
711 | _warp = vtkSmartPointer<vtkWarpScalar>::New(); |
---|
712 | if (_normalsGenerator == NULL) |
---|
713 | _normalsGenerator = vtkSmartPointer<vtkPolyDataNormals>::New(); |
---|
714 | switch (_sliceAxis) { |
---|
715 | case X_AXIS: |
---|
716 | _warp->SetNormal(1, 0, 0); |
---|
717 | break; |
---|
718 | case Y_AXIS: |
---|
719 | _warp->SetNormal(0, 1, 0); |
---|
720 | break; |
---|
721 | default: |
---|
722 | _warp->SetNormal(0, 0, 1); |
---|
723 | } |
---|
724 | _warp->UseNormalOn(); |
---|
725 | _warp->SetScaleFactor(_warpScale * _dataScale); |
---|
726 | #ifdef USE_VTK6 |
---|
727 | _warp->SetInputData(dsInput); |
---|
728 | #else |
---|
729 | _warp->SetInput(dsInput); |
---|
730 | #endif |
---|
731 | _normalsGenerator->SetInputConnection(_warp->GetOutputPort()); |
---|
732 | _normalsGenerator->SetFeatureAngle(90.); |
---|
733 | _normalsGenerator->AutoOrientNormalsOff(); |
---|
734 | _normalsGenerator->ComputePointNormalsOn(); |
---|
735 | return _normalsGenerator->GetOutputPort(); |
---|
736 | } |
---|
737 | } |
---|
738 | |
---|
739 | /** |
---|
740 | * \brief Controls relative scaling of height of mountain plot |
---|
741 | */ |
---|
742 | void HeightMap::setHeightScale(double scale) |
---|
743 | { |
---|
744 | if (_warpScale == scale) |
---|
745 | return; |
---|
746 | |
---|
747 | _warpScale = scale; |
---|
748 | if (_warp == NULL) { |
---|
749 | vtkAlgorithmOutput *warpOutput = initWarp(_mapper->GetInputConnection(0, 0)); |
---|
750 | _mapper->SetInputConnection(warpOutput); |
---|
751 | _contourFilter->SetInputConnection(warpOutput); |
---|
752 | } else if (scale == 0.0) { |
---|
753 | vtkAlgorithmOutput *warpInput = _warp->GetInputConnection(0, 0); |
---|
754 | _mapper->SetInputConnection(warpInput); |
---|
755 | _contourFilter->SetInputConnection(warpInput); |
---|
756 | _warp = NULL; |
---|
757 | } else { |
---|
758 | _warp->SetScaleFactor(_warpScale * _dataScale); |
---|
759 | } |
---|
760 | #ifdef TRANSLATE_TO_ZORIGIN |
---|
761 | double pos[3]; |
---|
762 | pos[0] = 0; |
---|
763 | pos[1] = 0; |
---|
764 | pos[2] = - _warpScale * _dataScale * _dataRange[0]; |
---|
765 | setPosition(pos); |
---|
766 | TRACE("Z_POS: %g", pos[2]); |
---|
767 | #endif |
---|
768 | if (_mapper != NULL) |
---|
769 | _mapper->Update(); |
---|
770 | if (_contourMapper != NULL) |
---|
771 | _contourMapper->Update(); |
---|
772 | } |
---|
773 | |
---|
774 | /** |
---|
775 | * \brief Select a 2D slice plane from a 3D DataSet |
---|
776 | * |
---|
777 | * \param[in] axis Axis of slice plane |
---|
778 | * \param[in] ratio Position [0,1] of slice plane along axis |
---|
779 | */ |
---|
780 | void HeightMap::selectVolumeSlice(Axis axis, double ratio) |
---|
781 | { |
---|
782 | if (_dataSet->is2D()) { |
---|
783 | WARN("DataSet not 3D, returning"); |
---|
784 | return; |
---|
785 | } |
---|
786 | |
---|
787 | if (_volumeSlicer == NULL && |
---|
788 | _cutPlane == NULL) { |
---|
789 | WARN("Called before update() or DataSet is not a volume"); |
---|
790 | return; |
---|
791 | } |
---|
792 | |
---|
793 | _sliceAxis = axis; |
---|
794 | if (_warp != NULL) { |
---|
795 | switch (axis) { |
---|
796 | case X_AXIS: |
---|
797 | _warp->SetNormal(1, 0, 0); |
---|
798 | break; |
---|
799 | case Y_AXIS: |
---|
800 | _warp->SetNormal(0, 1, 0); |
---|
801 | break; |
---|
802 | case Z_AXIS: |
---|
803 | _warp->SetNormal(0, 0, 1); |
---|
804 | break; |
---|
805 | default: |
---|
806 | ERROR("Invalid Axis"); |
---|
807 | return; |
---|
808 | } |
---|
809 | } |
---|
810 | |
---|
811 | if (_cutPlane != NULL) { |
---|
812 | double bounds[6]; |
---|
813 | _dataSet->getBounds(bounds); |
---|
814 | switch (axis) { |
---|
815 | case X_AXIS: |
---|
816 | _cutPlane->SetNormal(1, 0, 0); |
---|
817 | _cutPlane->SetOrigin(bounds[0] + (bounds[1]-bounds[0]) * ratio, |
---|
818 | 0, |
---|
819 | 0); |
---|
820 | break; |
---|
821 | case Y_AXIS: |
---|
822 | _cutPlane->SetNormal(0, 1, 0); |
---|
823 | _cutPlane->SetOrigin(0, |
---|
824 | bounds[2] + (bounds[3]-bounds[2]) * ratio, |
---|
825 | 0); |
---|
826 | break; |
---|
827 | case Z_AXIS: |
---|
828 | _cutPlane->SetNormal(0, 0, 1); |
---|
829 | _cutPlane->SetOrigin(0, |
---|
830 | 0, |
---|
831 | bounds[4] + (bounds[5]-bounds[4]) * ratio); |
---|
832 | break; |
---|
833 | default: |
---|
834 | ERROR("Invalid Axis"); |
---|
835 | return; |
---|
836 | } |
---|
837 | } else { |
---|
838 | int dims[3]; |
---|
839 | if (_splatter != NULL) { |
---|
840 | _splatter->GetSampleDimensions(dims); |
---|
841 | } else { |
---|
842 | vtkImageData *imageData = vtkImageData::SafeDownCast(_dataSet->getVtkDataSet()); |
---|
843 | if (imageData == NULL) { |
---|
844 | ERROR("Not a volume data set"); |
---|
845 | return; |
---|
846 | } |
---|
847 | imageData->GetDimensions(dims); |
---|
848 | } |
---|
849 | int voi[6]; |
---|
850 | |
---|
851 | switch (axis) { |
---|
852 | case X_AXIS: |
---|
853 | voi[0] = voi[1] = (int)((dims[0]-1) * ratio); |
---|
854 | voi[2] = 0; |
---|
855 | voi[3] = dims[1]-1; |
---|
856 | voi[4] = 0; |
---|
857 | voi[5] = dims[2]-1; |
---|
858 | break; |
---|
859 | case Y_AXIS: |
---|
860 | voi[0] = 0; |
---|
861 | voi[1] = dims[0]-1; |
---|
862 | voi[2] = voi[3] = (int)((dims[1]-1) * ratio); |
---|
863 | voi[4] = 0; |
---|
864 | voi[5] = dims[2]-1; |
---|
865 | break; |
---|
866 | case Z_AXIS: |
---|
867 | voi[0] = 0; |
---|
868 | voi[1] = dims[0]-1; |
---|
869 | voi[2] = 0; |
---|
870 | voi[3] = dims[1]-1; |
---|
871 | voi[4] = voi[5] = (int)((dims[2]-1) * ratio); |
---|
872 | break; |
---|
873 | default: |
---|
874 | ERROR("Invalid Axis"); |
---|
875 | return; |
---|
876 | } |
---|
877 | |
---|
878 | _volumeSlicer->SetVOI(voi); |
---|
879 | } |
---|
880 | |
---|
881 | if (_mapper != NULL) |
---|
882 | _mapper->Update(); |
---|
883 | if (_contourMapper != NULL) |
---|
884 | _contourMapper->Update(); |
---|
885 | } |
---|
886 | |
---|
887 | void HeightMap::updateRanges(Renderer *renderer) |
---|
888 | { |
---|
889 | TRACE("Enter"); |
---|
890 | |
---|
891 | if (_dataSet == NULL) { |
---|
892 | ERROR("called before setDataSet"); |
---|
893 | return; |
---|
894 | } |
---|
895 | |
---|
896 | if (renderer->getUseCumulativeRange()) { |
---|
897 | renderer->getCumulativeDataRange(_dataRange, |
---|
898 | _dataSet->getActiveScalarsName(), |
---|
899 | 1); |
---|
900 | const char *activeVectors = _dataSet->getActiveVectorsName(); |
---|
901 | if (activeVectors != NULL) { |
---|
902 | renderer->getCumulativeDataRange(_vectorMagnitudeRange, |
---|
903 | activeVectors, |
---|
904 | 3); |
---|
905 | for (int i = 0; i < 3; i++) { |
---|
906 | renderer->getCumulativeDataRange(_vectorComponentRange[i], |
---|
907 | activeVectors, |
---|
908 | 3, i); |
---|
909 | } |
---|
910 | } |
---|
911 | } else { |
---|
912 | _dataSet->getScalarRange(_dataRange); |
---|
913 | _dataSet->getVectorRange(_vectorMagnitudeRange); |
---|
914 | for (int i = 0; i < 3; i++) { |
---|
915 | _dataSet->getVectorRange(_vectorComponentRange[i], i); |
---|
916 | } |
---|
917 | } |
---|
918 | |
---|
919 | // Need to update color map ranges |
---|
920 | double *rangePtr = _colorFieldRange; |
---|
921 | if (_colorFieldRange[0] > _colorFieldRange[1]) { |
---|
922 | rangePtr = NULL; |
---|
923 | } |
---|
924 | setColorMode(_colorMode, _colorFieldType, _colorFieldName.c_str(), rangePtr); |
---|
925 | |
---|
926 | if ((_contours.empty() && _numContours > 0) || |
---|
927 | _warpScale > 0.0) { |
---|
928 | // Contour isovalues and/or warp need to be recomputed |
---|
929 | update(); |
---|
930 | } |
---|
931 | |
---|
932 | TRACE("Leave"); |
---|
933 | } |
---|
934 | |
---|
935 | void HeightMap::setContourLineColorMapEnabled(bool mode) |
---|
936 | { |
---|
937 | _contourColorMap = mode; |
---|
938 | |
---|
939 | double *rangePtr = _colorFieldRange; |
---|
940 | if (_colorFieldRange[0] > _colorFieldRange[1]) { |
---|
941 | rangePtr = NULL; |
---|
942 | } |
---|
943 | setColorMode(_colorMode, _colorFieldType, _colorFieldName.c_str(), rangePtr); |
---|
944 | } |
---|
945 | |
---|
946 | void HeightMap::setColorMode(ColorMode mode) |
---|
947 | { |
---|
948 | _colorMode = mode; |
---|
949 | if (_dataSet == NULL) |
---|
950 | return; |
---|
951 | |
---|
952 | switch (mode) { |
---|
953 | case COLOR_BY_SCALAR: |
---|
954 | setColorMode(mode, |
---|
955 | _dataSet->getActiveScalarsType(), |
---|
956 | _dataSet->getActiveScalarsName(), |
---|
957 | _dataRange); |
---|
958 | break; |
---|
959 | case COLOR_BY_VECTOR_MAGNITUDE: |
---|
960 | setColorMode(mode, |
---|
961 | _dataSet->getActiveVectorsType(), |
---|
962 | _dataSet->getActiveVectorsName(), |
---|
963 | _vectorMagnitudeRange); |
---|
964 | break; |
---|
965 | case COLOR_BY_VECTOR_X: |
---|
966 | setColorMode(mode, |
---|
967 | _dataSet->getActiveVectorsType(), |
---|
968 | _dataSet->getActiveVectorsName(), |
---|
969 | _vectorComponentRange[0]); |
---|
970 | break; |
---|
971 | case COLOR_BY_VECTOR_Y: |
---|
972 | setColorMode(mode, |
---|
973 | _dataSet->getActiveVectorsType(), |
---|
974 | _dataSet->getActiveVectorsName(), |
---|
975 | _vectorComponentRange[1]); |
---|
976 | break; |
---|
977 | case COLOR_BY_VECTOR_Z: |
---|
978 | setColorMode(mode, |
---|
979 | _dataSet->getActiveVectorsType(), |
---|
980 | _dataSet->getActiveVectorsName(), |
---|
981 | _vectorComponentRange[2]); |
---|
982 | break; |
---|
983 | case COLOR_CONSTANT: |
---|
984 | default: |
---|
985 | setColorMode(mode, DataSet::POINT_DATA, NULL, NULL); |
---|
986 | break; |
---|
987 | } |
---|
988 | } |
---|
989 | |
---|
990 | void HeightMap::setColorMode(ColorMode mode, |
---|
991 | const char *name, double range[2]) |
---|
992 | { |
---|
993 | if (_dataSet == NULL) |
---|
994 | return; |
---|
995 | DataSet::DataAttributeType type = DataSet::POINT_DATA; |
---|
996 | int numComponents = 1; |
---|
997 | if (name != NULL && strlen(name) > 0 && |
---|
998 | !_dataSet->getFieldInfo(name, &type, &numComponents)) { |
---|
999 | ERROR("Field not found: %s", name); |
---|
1000 | return; |
---|
1001 | } |
---|
1002 | setColorMode(mode, type, name, range); |
---|
1003 | } |
---|
1004 | |
---|
1005 | void HeightMap::setColorMode(ColorMode mode, DataSet::DataAttributeType type, |
---|
1006 | const char *name, double range[2]) |
---|
1007 | { |
---|
1008 | _colorMode = mode; |
---|
1009 | _colorFieldType = type; |
---|
1010 | if (name == NULL) |
---|
1011 | _colorFieldName.clear(); |
---|
1012 | else |
---|
1013 | _colorFieldName = name; |
---|
1014 | if (range == NULL) { |
---|
1015 | _colorFieldRange[0] = DBL_MAX; |
---|
1016 | _colorFieldRange[1] = -DBL_MAX; |
---|
1017 | } else { |
---|
1018 | memcpy(_colorFieldRange, range, sizeof(double)*2); |
---|
1019 | } |
---|
1020 | |
---|
1021 | if (_dataSet == NULL || _mapper == NULL) |
---|
1022 | return; |
---|
1023 | |
---|
1024 | switch (type) { |
---|
1025 | case DataSet::POINT_DATA: |
---|
1026 | _mapper->SetScalarModeToUsePointFieldData(); |
---|
1027 | _contourMapper->SetScalarModeToUsePointFieldData(); |
---|
1028 | break; |
---|
1029 | case DataSet::CELL_DATA: |
---|
1030 | _mapper->SetScalarModeToUseCellFieldData(); |
---|
1031 | _contourMapper->SetScalarModeToUseCellFieldData(); |
---|
1032 | break; |
---|
1033 | default: |
---|
1034 | ERROR("Unsupported DataAttributeType: %d", type); |
---|
1035 | return; |
---|
1036 | } |
---|
1037 | |
---|
1038 | if (_splatter != NULL) { |
---|
1039 | if (name != NULL && strlen(name) > 0) { |
---|
1040 | _splatter->SetInputArrayToProcess(0, 0, 0, vtkDataObject::FIELD_ASSOCIATION_POINTS, name); |
---|
1041 | } |
---|
1042 | _mapper->SelectColorArray("SplatterValues"); |
---|
1043 | _contourMapper->SelectColorArray("SplatterValues"); |
---|
1044 | } else if (name != NULL && strlen(name) > 0) { |
---|
1045 | _mapper->SelectColorArray(name); |
---|
1046 | _contourMapper->SelectColorArray(name); |
---|
1047 | } else { |
---|
1048 | _mapper->SetScalarModeToDefault(); |
---|
1049 | _contourMapper->SetScalarModeToDefault(); |
---|
1050 | } |
---|
1051 | |
---|
1052 | if (_lut != NULL) { |
---|
1053 | if (range != NULL) { |
---|
1054 | _lut->SetRange(range); |
---|
1055 | TRACE("range %g, %g", range[0], range[1]); |
---|
1056 | } else if (name != NULL && strlen(name) > 0) { |
---|
1057 | double r[2]; |
---|
1058 | int comp = -1; |
---|
1059 | if (mode == COLOR_BY_VECTOR_X) |
---|
1060 | comp = 0; |
---|
1061 | else if (mode == COLOR_BY_VECTOR_Y) |
---|
1062 | comp = 1; |
---|
1063 | else if (mode == COLOR_BY_VECTOR_Z) |
---|
1064 | comp = 2; |
---|
1065 | |
---|
1066 | if (_renderer->getUseCumulativeRange()) { |
---|
1067 | int numComponents; |
---|
1068 | if (!_dataSet->getFieldInfo(name, type, &numComponents)) { |
---|
1069 | ERROR("Field not found: %s, type: %d", name, type); |
---|
1070 | return; |
---|
1071 | } else if (numComponents < comp+1) { |
---|
1072 | ERROR("Request for component %d in field with %d components", |
---|
1073 | comp, numComponents); |
---|
1074 | return; |
---|
1075 | } |
---|
1076 | _renderer->getCumulativeDataRange(r, name, type, numComponents, comp); |
---|
1077 | } else { |
---|
1078 | _dataSet->getDataRange(r, name, type, comp); |
---|
1079 | } |
---|
1080 | _lut->SetRange(r); |
---|
1081 | TRACE("%s range %g, %g", name, r[0], r[1]); |
---|
1082 | } |
---|
1083 | _lut->Modified(); |
---|
1084 | } |
---|
1085 | |
---|
1086 | if (_contourColorMap) { |
---|
1087 | _contourMapper->ScalarVisibilityOn(); |
---|
1088 | } else { |
---|
1089 | _contourMapper->ScalarVisibilityOff(); |
---|
1090 | } |
---|
1091 | |
---|
1092 | switch (mode) { |
---|
1093 | case COLOR_BY_SCALAR: |
---|
1094 | _mapper->ScalarVisibilityOn(); |
---|
1095 | break; |
---|
1096 | case COLOR_BY_VECTOR_MAGNITUDE: |
---|
1097 | _mapper->ScalarVisibilityOn(); |
---|
1098 | if (_lut != NULL) { |
---|
1099 | _lut->SetVectorModeToMagnitude(); |
---|
1100 | } |
---|
1101 | break; |
---|
1102 | case COLOR_BY_VECTOR_X: |
---|
1103 | _mapper->ScalarVisibilityOn(); |
---|
1104 | if (_lut != NULL) { |
---|
1105 | _lut->SetVectorModeToComponent(); |
---|
1106 | _lut->SetVectorComponent(0); |
---|
1107 | } |
---|
1108 | break; |
---|
1109 | case COLOR_BY_VECTOR_Y: |
---|
1110 | _mapper->ScalarVisibilityOn(); |
---|
1111 | if (_lut != NULL) { |
---|
1112 | _lut->SetVectorModeToComponent(); |
---|
1113 | _lut->SetVectorComponent(1); |
---|
1114 | } |
---|
1115 | break; |
---|
1116 | case COLOR_BY_VECTOR_Z: |
---|
1117 | _mapper->ScalarVisibilityOn(); |
---|
1118 | if (_lut != NULL) { |
---|
1119 | _lut->SetVectorModeToComponent(); |
---|
1120 | _lut->SetVectorComponent(2); |
---|
1121 | } |
---|
1122 | break; |
---|
1123 | case COLOR_CONSTANT: |
---|
1124 | default: |
---|
1125 | _mapper->ScalarVisibilityOff(); |
---|
1126 | break; |
---|
1127 | } |
---|
1128 | } |
---|
1129 | |
---|
1130 | /** |
---|
1131 | * \brief Called when the color map has been edited |
---|
1132 | */ |
---|
1133 | void HeightMap::updateColorMap() |
---|
1134 | { |
---|
1135 | setColorMap(_colorMap); |
---|
1136 | } |
---|
1137 | |
---|
1138 | /** |
---|
1139 | * \brief Associate a colormap lookup table with the DataSet |
---|
1140 | */ |
---|
1141 | void HeightMap::setColorMap(ColorMap *cmap) |
---|
1142 | { |
---|
1143 | if (cmap == NULL) |
---|
1144 | return; |
---|
1145 | |
---|
1146 | _colorMap = cmap; |
---|
1147 | |
---|
1148 | if (_lut == NULL) { |
---|
1149 | _lut = vtkSmartPointer<vtkLookupTable>::New(); |
---|
1150 | if (_mapper != NULL) { |
---|
1151 | _mapper->UseLookupTableScalarRangeOn(); |
---|
1152 | _mapper->SetLookupTable(_lut); |
---|
1153 | } |
---|
1154 | if (_contourMapper != NULL) { |
---|
1155 | _contourMapper->UseLookupTableScalarRangeOn(); |
---|
1156 | _contourMapper->SetLookupTable(_lut); |
---|
1157 | } |
---|
1158 | _lut->DeepCopy(cmap->getLookupTable()); |
---|
1159 | switch (_colorMode) { |
---|
1160 | case COLOR_CONSTANT: |
---|
1161 | case COLOR_BY_SCALAR: |
---|
1162 | _lut->SetRange(_dataRange); |
---|
1163 | break; |
---|
1164 | case COLOR_BY_VECTOR_MAGNITUDE: |
---|
1165 | _lut->SetRange(_vectorMagnitudeRange); |
---|
1166 | break; |
---|
1167 | case COLOR_BY_VECTOR_X: |
---|
1168 | _lut->SetRange(_vectorComponentRange[0]); |
---|
1169 | break; |
---|
1170 | case COLOR_BY_VECTOR_Y: |
---|
1171 | _lut->SetRange(_vectorComponentRange[1]); |
---|
1172 | break; |
---|
1173 | case COLOR_BY_VECTOR_Z: |
---|
1174 | _lut->SetRange(_vectorComponentRange[2]); |
---|
1175 | break; |
---|
1176 | default: |
---|
1177 | break; |
---|
1178 | } |
---|
1179 | } else { |
---|
1180 | double range[2]; |
---|
1181 | _lut->GetTableRange(range); |
---|
1182 | _lut->DeepCopy(cmap->getLookupTable()); |
---|
1183 | _lut->SetRange(range); |
---|
1184 | _lut->Modified(); |
---|
1185 | } |
---|
1186 | |
---|
1187 | switch (_colorMode) { |
---|
1188 | case COLOR_BY_VECTOR_MAGNITUDE: |
---|
1189 | _lut->SetVectorModeToMagnitude(); |
---|
1190 | break; |
---|
1191 | case COLOR_BY_VECTOR_X: |
---|
1192 | _lut->SetVectorModeToComponent(); |
---|
1193 | _lut->SetVectorComponent(0); |
---|
1194 | break; |
---|
1195 | case COLOR_BY_VECTOR_Y: |
---|
1196 | _lut->SetVectorModeToComponent(); |
---|
1197 | _lut->SetVectorComponent(1); |
---|
1198 | break; |
---|
1199 | case COLOR_BY_VECTOR_Z: |
---|
1200 | _lut->SetVectorModeToComponent(); |
---|
1201 | _lut->SetVectorComponent(2); |
---|
1202 | break; |
---|
1203 | default: |
---|
1204 | break; |
---|
1205 | } |
---|
1206 | } |
---|
1207 | |
---|
1208 | /** |
---|
1209 | * \brief Specify number of evenly spaced contour lines to render |
---|
1210 | * |
---|
1211 | * Will override any existing contours |
---|
1212 | */ |
---|
1213 | void HeightMap::setNumContours(int numContours) |
---|
1214 | { |
---|
1215 | _contours.clear(); |
---|
1216 | _numContours = numContours; |
---|
1217 | |
---|
1218 | update(); |
---|
1219 | } |
---|
1220 | |
---|
1221 | /** |
---|
1222 | * \brief Specify an explicit list of contour isovalues |
---|
1223 | * |
---|
1224 | * Will override any existing contours |
---|
1225 | */ |
---|
1226 | void HeightMap::setContourList(const std::vector<double>& contours) |
---|
1227 | { |
---|
1228 | _contours = contours; |
---|
1229 | _numContours = (int)_contours.size(); |
---|
1230 | |
---|
1231 | update(); |
---|
1232 | } |
---|
1233 | |
---|
1234 | /** |
---|
1235 | * \brief Get the number of contours |
---|
1236 | */ |
---|
1237 | int HeightMap::getNumContours() const |
---|
1238 | { |
---|
1239 | return _numContours; |
---|
1240 | } |
---|
1241 | |
---|
1242 | /** |
---|
1243 | * \brief Get the contour list (may be empty if number of contours |
---|
1244 | * was specified in place of a list) |
---|
1245 | */ |
---|
1246 | const std::vector<double>& HeightMap::getContourList() const |
---|
1247 | { |
---|
1248 | return _contours; |
---|
1249 | } |
---|
1250 | |
---|
1251 | /** |
---|
1252 | * \brief Turn on/off lighting of this object |
---|
1253 | */ |
---|
1254 | void HeightMap::setLighting(bool state) |
---|
1255 | { |
---|
1256 | _lighting = state; |
---|
1257 | if (_dsActor != NULL) |
---|
1258 | _dsActor->GetProperty()->SetLighting((state ? 1 : 0)); |
---|
1259 | } |
---|
1260 | |
---|
1261 | /** |
---|
1262 | * \brief Turn on/off rendering of mesh edges |
---|
1263 | */ |
---|
1264 | void HeightMap::setEdgeVisibility(bool state) |
---|
1265 | { |
---|
1266 | if (_dsActor != NULL) { |
---|
1267 | _dsActor->GetProperty()->SetEdgeVisibility((state ? 1 : 0)); |
---|
1268 | } |
---|
1269 | } |
---|
1270 | |
---|
1271 | /** |
---|
1272 | * \brief Turn on/off rendering of colormaped surface |
---|
1273 | */ |
---|
1274 | void HeightMap::setContourSurfaceVisibility(bool state) |
---|
1275 | { |
---|
1276 | if (_dsActor != NULL) { |
---|
1277 | _dsActor->SetVisibility((state ? 1 : 0)); |
---|
1278 | } |
---|
1279 | } |
---|
1280 | |
---|
1281 | /** |
---|
1282 | * \brief Turn on/off rendering of contour isolines |
---|
1283 | */ |
---|
1284 | void HeightMap::setContourLineVisibility(bool state) |
---|
1285 | { |
---|
1286 | if (_contourActor != NULL) { |
---|
1287 | _contourActor->SetVisibility((state ? 1 : 0)); |
---|
1288 | } |
---|
1289 | } |
---|
1290 | |
---|
1291 | /** |
---|
1292 | * \brief Set RGB color of mesh |
---|
1293 | */ |
---|
1294 | void HeightMap::setColor(float color[3]) |
---|
1295 | { |
---|
1296 | _color[0] = color[0]; |
---|
1297 | _color[1] = color[1]; |
---|
1298 | _color[2] = color[2]; |
---|
1299 | if (_dsActor != NULL) |
---|
1300 | _dsActor->GetProperty()->SetColor(_color[0], _color[1], _color[2]); |
---|
1301 | } |
---|
1302 | |
---|
1303 | /** |
---|
1304 | * \brief Set RGB color of polygon edges |
---|
1305 | */ |
---|
1306 | void HeightMap::setEdgeColor(float color[3]) |
---|
1307 | { |
---|
1308 | _edgeColor[0] = color[0]; |
---|
1309 | _edgeColor[1] = color[1]; |
---|
1310 | _edgeColor[2] = color[2]; |
---|
1311 | if (_dsActor != NULL) |
---|
1312 | _dsActor->GetProperty()->SetEdgeColor(_edgeColor[0], _edgeColor[1], _edgeColor[2]); |
---|
1313 | } |
---|
1314 | |
---|
1315 | /** |
---|
1316 | * \brief Set pixel width of polygon edges (may be a no-op) |
---|
1317 | */ |
---|
1318 | void HeightMap::setEdgeWidth(float edgeWidth) |
---|
1319 | { |
---|
1320 | _edgeWidth = edgeWidth; |
---|
1321 | if (_dsActor != NULL) |
---|
1322 | _dsActor->GetProperty()->SetLineWidth(_edgeWidth); |
---|
1323 | } |
---|
1324 | |
---|
1325 | /** |
---|
1326 | * \brief Set RGB color of contour isolines |
---|
1327 | */ |
---|
1328 | void HeightMap::setContourEdgeColor(float color[3]) |
---|
1329 | { |
---|
1330 | _contourEdgeColor[0] = color[0]; |
---|
1331 | _contourEdgeColor[1] = color[1]; |
---|
1332 | _contourEdgeColor[2] = color[2]; |
---|
1333 | if (_contourActor != NULL) { |
---|
1334 | _contourActor->GetProperty()->SetColor(_contourEdgeColor[0], |
---|
1335 | _contourEdgeColor[1], |
---|
1336 | _contourEdgeColor[2]); |
---|
1337 | _contourActor->GetProperty()->SetEdgeColor(_contourEdgeColor[0], |
---|
1338 | _contourEdgeColor[1], |
---|
1339 | _contourEdgeColor[2]); |
---|
1340 | } |
---|
1341 | } |
---|
1342 | |
---|
1343 | /** |
---|
1344 | * \brief Set pixel width of contour isolines (may be a no-op) |
---|
1345 | */ |
---|
1346 | void HeightMap::setContourEdgeWidth(float edgeWidth) |
---|
1347 | { |
---|
1348 | _contourEdgeWidth = edgeWidth; |
---|
1349 | if (_contourActor != NULL) |
---|
1350 | _contourActor->GetProperty()->SetLineWidth(_contourEdgeWidth); |
---|
1351 | } |
---|
1352 | |
---|
1353 | /** |
---|
1354 | * \brief Set a group of world coordinate planes to clip rendering |
---|
1355 | * |
---|
1356 | * Passing NULL for planes will remove all cliping planes |
---|
1357 | */ |
---|
1358 | void HeightMap::setClippingPlanes(vtkPlaneCollection *planes) |
---|
1359 | { |
---|
1360 | if (_mapper != NULL) { |
---|
1361 | _mapper->SetClippingPlanes(planes); |
---|
1362 | } |
---|
1363 | if (_contourMapper != NULL) { |
---|
1364 | _contourMapper->SetClippingPlanes(planes); |
---|
1365 | } |
---|
1366 | } |
---|
1367 | |
---|