[2100] | 1 | /* -*- mode: c++; c-basic-offset: 4; indent-tabs-mode: nil -*- */ |
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| 2 | /* |
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[3177] | 3 | * Copyright (C) 2004-2012 HUBzero Foundation, LLC |
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[2100] | 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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[3161] | 8 | #include <cfloat> |
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[2260] | 9 | |
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[3189] | 10 | #include <vtkVersion.h> |
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[2269] | 11 | #include <vtkDataSet.h> |
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| 12 | #include <vtkPointData.h> |
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| 13 | #include <vtkCellData.h> |
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| 14 | #include <vtkCellDataToPointData.h> |
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[2100] | 15 | #include <vtkContourFilter.h> |
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[2423] | 16 | #include <vtkStripper.h> |
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[2100] | 17 | #include <vtkPolyDataMapper.h> |
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[2260] | 18 | #include <vtkUnstructuredGrid.h> |
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[2100] | 19 | #include <vtkProperty.h> |
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[2423] | 20 | #include <vtkTransform.h> |
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[2260] | 21 | #include <vtkDelaunay2D.h> |
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| 22 | #include <vtkDelaunay3D.h> |
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| 23 | #include <vtkDataSetSurfaceFilter.h> |
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[2100] | 24 | |
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[3616] | 25 | #include "Contour2D.h" |
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[3621] | 26 | #include "Renderer.h" |
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[2123] | 27 | #include "Trace.h" |
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[2100] | 28 | |
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[3615] | 29 | using namespace VtkVis; |
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[2100] | 30 | |
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[2402] | 31 | Contour2D::Contour2D(int numContours) : |
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[3621] | 32 | GraphicsObject(), |
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[3151] | 33 | _numContours(numContours), |
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[3490] | 34 | _pipelineInitialized(false), |
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[3151] | 35 | _colorMap(NULL), |
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[3330] | 36 | _colorMode(COLOR_BY_SCALAR), |
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[3151] | 37 | _colorFieldType(DataSet::POINT_DATA), |
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| 38 | _renderer(NULL) |
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[2100] | 39 | { |
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[2459] | 40 | _edgeColor[0] = _color[0]; |
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| 41 | _edgeColor[1] = _color[0]; |
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| 42 | _edgeColor[2] = _color[0]; |
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[3151] | 43 | _colorFieldRange[0] = DBL_MAX; |
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| 44 | _colorFieldRange[1] = -DBL_MAX; |
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[2459] | 45 | _lighting = false; |
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[2100] | 46 | } |
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| 47 | |
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[2402] | 48 | Contour2D::Contour2D(const std::vector<double>& contours) : |
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[3621] | 49 | GraphicsObject(), |
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[2402] | 50 | _numContours(contours.size()), |
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[3151] | 51 | _contours(contours), |
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[3490] | 52 | _pipelineInitialized(false), |
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[3151] | 53 | _colorMap(NULL), |
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[3330] | 54 | _colorMode(COLOR_BY_SCALAR), |
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[3151] | 55 | _colorFieldType(DataSet::POINT_DATA), |
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| 56 | _renderer(NULL) |
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[2402] | 57 | { |
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[2459] | 58 | _edgeColor[0] = _color[0]; |
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| 59 | _edgeColor[1] = _color[0]; |
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| 60 | _edgeColor[2] = _color[0]; |
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[3151] | 61 | _colorFieldRange[0] = DBL_MAX; |
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| 62 | _colorFieldRange[1] = -DBL_MAX; |
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[2459] | 63 | _lighting = false; |
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[2402] | 64 | } |
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| 65 | |
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[2100] | 66 | Contour2D::~Contour2D() |
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| 67 | { |
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[2123] | 68 | #ifdef WANT_TRACE |
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| 69 | if (_dataSet != NULL) |
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| 70 | TRACE("Deleting Contour2D for %s", _dataSet->getName().c_str()); |
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| 71 | else |
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| 72 | TRACE("Deleting Contour2D with NULL DataSet"); |
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| 73 | #endif |
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[2100] | 74 | } |
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| 75 | |
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[3151] | 76 | void Contour2D::setDataSet(DataSet *dataSet, |
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| 77 | Renderer *renderer) |
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| 78 | { |
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| 79 | if (_dataSet != dataSet) { |
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| 80 | _dataSet = dataSet; |
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| 81 | _renderer = renderer; |
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| 82 | |
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| 83 | if (renderer->getUseCumulativeRange()) { |
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| 84 | renderer->getCumulativeDataRange(_dataRange, |
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| 85 | _dataSet->getActiveScalarsName(), |
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| 86 | 1); |
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[3490] | 87 | const char *activeVectors = _dataSet->getActiveVectorsName(); |
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| 88 | if (activeVectors != NULL) { |
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| 89 | renderer->getCumulativeDataRange(_vectorMagnitudeRange, |
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[3151] | 90 | _dataSet->getActiveVectorsName(), |
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[3490] | 91 | 3); |
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| 92 | for (int i = 0; i < 3; i++) { |
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| 93 | renderer->getCumulativeDataRange(_vectorComponentRange[i], |
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| 94 | _dataSet->getActiveVectorsName(), |
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| 95 | 3, i); |
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| 96 | } |
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[3151] | 97 | } |
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| 98 | } else { |
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| 99 | _dataSet->getScalarRange(_dataRange); |
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| 100 | _dataSet->getVectorRange(_vectorMagnitudeRange); |
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| 101 | for (int i = 0; i < 3; i++) { |
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| 102 | _dataSet->getVectorRange(_vectorComponentRange[i], i); |
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| 103 | } |
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| 104 | } |
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| 105 | |
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| 106 | update(); |
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| 107 | } |
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| 108 | } |
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| 109 | |
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[2100] | 110 | /** |
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| 111 | * \brief Internal method to re-compute contours after a state change |
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| 112 | */ |
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| 113 | void Contour2D::update() |
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| 114 | { |
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| 115 | if (_dataSet == NULL) { |
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| 116 | return; |
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| 117 | } |
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[2260] | 118 | vtkDataSet *ds = _dataSet->getVtkDataSet(); |
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[2100] | 119 | |
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| 120 | // Contour filter to generate isolines |
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[2194] | 121 | if (_contourFilter == NULL) { |
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| 122 | _contourFilter = vtkSmartPointer<vtkContourFilter>::New(); |
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| 123 | } |
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[2269] | 124 | |
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[3490] | 125 | if (!_pipelineInitialized) { |
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| 126 | vtkSmartPointer<vtkCellDataToPointData> cellToPtData; |
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[2290] | 127 | |
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[3490] | 128 | if (ds->GetPointData() == NULL || |
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| 129 | ds->GetPointData()->GetScalars() == NULL) { |
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[3525] | 130 | TRACE("No scalar point data in dataset %s", _dataSet->getName().c_str()); |
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[3490] | 131 | if (ds->GetCellData() != NULL && |
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| 132 | ds->GetCellData()->GetScalars() != NULL) { |
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| 133 | cellToPtData = |
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| 134 | vtkSmartPointer<vtkCellDataToPointData>::New(); |
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[3189] | 135 | #ifdef USE_VTK6 |
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[3490] | 136 | cellToPtData->SetInputData(ds); |
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[3189] | 137 | #else |
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[3490] | 138 | cellToPtData->SetInput(ds); |
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[3189] | 139 | #endif |
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[3490] | 140 | //cellToPtData->PassCellDataOn(); |
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| 141 | cellToPtData->Update(); |
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| 142 | ds = cellToPtData->GetOutput(); |
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| 143 | } else { |
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[3525] | 144 | USER_ERROR("No scalar field was found in the data set"); |
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[3490] | 145 | } |
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[2269] | 146 | } |
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| 147 | |
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[3680] | 148 | if (_dataSet->isCloud()) { |
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| 149 | // DataSet is a point cloud |
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| 150 | PrincipalPlane plane; |
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| 151 | double offset; |
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| 152 | if (_dataSet->is2D(&plane, &offset)) { |
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| 153 | vtkSmartPointer<vtkDelaunay2D> mesher = vtkSmartPointer<vtkDelaunay2D>::New(); |
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| 154 | if (plane == PLANE_ZY) { |
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| 155 | vtkSmartPointer<vtkTransform> trans = vtkSmartPointer<vtkTransform>::New(); |
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| 156 | trans->RotateWXYZ(90, 0, 1, 0); |
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| 157 | if (offset != 0.0) { |
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| 158 | trans->Translate(-offset, 0, 0); |
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[2423] | 159 | } |
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[3680] | 160 | mesher->SetTransform(trans); |
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| 161 | } else if (plane == PLANE_XZ) { |
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| 162 | vtkSmartPointer<vtkTransform> trans = vtkSmartPointer<vtkTransform>::New(); |
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| 163 | trans->RotateWXYZ(-90, 1, 0, 0); |
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| 164 | if (offset != 0.0) { |
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| 165 | trans->Translate(0, -offset, 0); |
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| 166 | } |
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| 167 | mesher->SetTransform(trans); |
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| 168 | } else if (offset != 0.0) { |
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| 169 | // XY with Z offset |
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| 170 | vtkSmartPointer<vtkTransform> trans = vtkSmartPointer<vtkTransform>::New(); |
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| 171 | trans->Translate(0, 0, -offset); |
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| 172 | mesher->SetTransform(trans); |
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| 173 | } |
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[3189] | 174 | #ifdef USE_VTK6 |
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[3680] | 175 | mesher->SetInputData(ds); |
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[3189] | 176 | #else |
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[3680] | 177 | mesher->SetInput(ds); |
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[3189] | 178 | #endif |
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[3680] | 179 | _contourFilter->SetInputConnection(mesher->GetOutputPort()); |
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| 180 | } else { |
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| 181 | vtkSmartPointer<vtkDelaunay3D> mesher = vtkSmartPointer<vtkDelaunay3D>::New(); |
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[3490] | 182 | #ifdef USE_VTK6 |
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[3680] | 183 | mesher->SetInputData(ds); |
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[3490] | 184 | #else |
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[3680] | 185 | mesher->SetInput(ds); |
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[3490] | 186 | #endif |
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[3680] | 187 | vtkSmartPointer<vtkDataSetSurfaceFilter> gf = vtkSmartPointer<vtkDataSetSurfaceFilter>::New(); |
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| 188 | gf->SetInputConnection(mesher->GetOutputPort()); |
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| 189 | _contourFilter->SetInputConnection(gf->GetOutputPort()); |
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| 190 | } |
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| 191 | } else if (vtkPolyData::SafeDownCast(ds) != NULL) { |
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| 192 | // DataSet is a vtkPolyData with lines and/or polygons |
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[3189] | 193 | #ifdef USE_VTK6 |
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[3680] | 194 | _contourFilter->SetInputData(ds); |
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[3189] | 195 | #else |
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[3680] | 196 | _contourFilter->SetInput(ds); |
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[3189] | 197 | #endif |
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[2260] | 198 | } else { |
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[3490] | 199 | TRACE("Generating surface for data set"); |
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| 200 | // DataSet is NOT a vtkPolyData |
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| 201 | vtkSmartPointer<vtkDataSetSurfaceFilter> gf = vtkSmartPointer<vtkDataSetSurfaceFilter>::New(); |
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[3189] | 202 | #ifdef USE_VTK6 |
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[3490] | 203 | gf->SetInputData(ds); |
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[3189] | 204 | #else |
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[3490] | 205 | gf->SetInput(ds); |
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[3189] | 206 | #endif |
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[3490] | 207 | _contourFilter->SetInputConnection(gf->GetOutputPort()); |
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[2260] | 208 | } |
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| 209 | } |
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[2100] | 210 | |
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[3490] | 211 | _pipelineInitialized = true; |
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| 212 | |
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[2194] | 213 | _contourFilter->ComputeNormalsOff(); |
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| 214 | _contourFilter->ComputeGradientsOff(); |
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| 215 | |
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[2100] | 216 | // Speed up multiple contour computation at cost of extra memory use |
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| 217 | if (_numContours > 1) { |
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[2194] | 218 | _contourFilter->UseScalarTreeOn(); |
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[2100] | 219 | } else { |
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[2194] | 220 | _contourFilter->UseScalarTreeOff(); |
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[2100] | 221 | } |
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[2194] | 222 | |
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| 223 | _contourFilter->SetNumberOfContours(_numContours); |
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| 224 | |
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[2100] | 225 | if (_contours.empty()) { |
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| 226 | // Evenly spaced isovalues |
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[2194] | 227 | _contourFilter->GenerateValues(_numContours, _dataRange[0], _dataRange[1]); |
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[2100] | 228 | } else { |
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| 229 | // User-supplied isovalues |
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[2194] | 230 | for (int i = 0; i < _numContours; i++) { |
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| 231 | _contourFilter->SetValue(i, _contours[i]); |
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[2100] | 232 | } |
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| 233 | } |
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[3151] | 234 | |
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| 235 | initProp(); |
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| 236 | |
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[3680] | 237 | if (_mapper == NULL) { |
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| 238 | _mapper = vtkSmartPointer<vtkPolyDataMapper>::New(); |
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| 239 | _mapper->SetResolveCoincidentTopologyToPolygonOffset(); |
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| 240 | _mapper->ScalarVisibilityOff(); |
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[2423] | 241 | vtkSmartPointer<vtkStripper> stripper = vtkSmartPointer<vtkStripper>::New(); |
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| 242 | stripper->SetInputConnection(_contourFilter->GetOutputPort()); |
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[3680] | 243 | _mapper->SetInputConnection(stripper->GetOutputPort()); |
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| 244 | getActor()->SetMapper(_mapper); |
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[2100] | 245 | } |
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[2270] | 246 | |
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[3151] | 247 | if (_lut == NULL) { |
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| 248 | setColorMap(ColorMap::getDefault()); |
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[3490] | 249 | setColorMode(_colorMode); |
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[3151] | 250 | } |
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| 251 | |
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[3680] | 252 | _mapper->Update(); |
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[2100] | 253 | } |
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| 254 | |
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[2612] | 255 | void Contour2D::updateRanges(Renderer *renderer) |
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[2100] | 256 | { |
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[3151] | 257 | if (_dataSet == NULL) { |
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| 258 | ERROR("called before setDataSet"); |
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| 259 | return; |
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| 260 | } |
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| 261 | |
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| 262 | if (renderer->getUseCumulativeRange()) { |
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| 263 | renderer->getCumulativeDataRange(_dataRange, |
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| 264 | _dataSet->getActiveScalarsName(), |
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| 265 | 1); |
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[3490] | 266 | const char *activeVectors = _dataSet->getActiveVectorsName(); |
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| 267 | if (activeVectors != NULL) { |
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| 268 | renderer->getCumulativeDataRange(_vectorMagnitudeRange, |
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[3151] | 269 | _dataSet->getActiveVectorsName(), |
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[3490] | 270 | 3); |
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| 271 | for (int i = 0; i < 3; i++) { |
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| 272 | renderer->getCumulativeDataRange(_vectorComponentRange[i], |
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| 273 | _dataSet->getActiveVectorsName(), |
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| 274 | 3, i); |
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| 275 | } |
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[3151] | 276 | } |
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| 277 | } else { |
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| 278 | _dataSet->getScalarRange(_dataRange); |
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| 279 | _dataSet->getVectorRange(_vectorMagnitudeRange); |
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| 280 | for (int i = 0; i < 3; i++) { |
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| 281 | _dataSet->getVectorRange(_vectorComponentRange[i], i); |
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| 282 | } |
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| 283 | } |
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[2612] | 284 | |
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[3151] | 285 | // Need to update color map ranges |
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| 286 | double *rangePtr = _colorFieldRange; |
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| 287 | if (_colorFieldRange[0] > _colorFieldRange[1]) { |
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| 288 | rangePtr = NULL; |
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| 289 | } |
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| 290 | setColorMode(_colorMode, _colorFieldType, _colorFieldName.c_str(), rangePtr); |
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| 291 | |
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[2402] | 292 | if (_contours.empty() && _numContours > 0) { |
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| 293 | // Contour isovalues need to be recomputed |
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| 294 | update(); |
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[2194] | 295 | } |
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[2100] | 296 | } |
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| 297 | |
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[3615] | 298 | void Contour2D::setContourField(const char *name) |
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| 299 | { |
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| 300 | if (_contourFilter != NULL) { |
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| 301 | _contourFilter->SetInputArrayToProcess(0, 0, 0, vtkDataObject::FIELD_ASSOCIATION_POINTS, name); |
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| 302 | update(); |
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| 303 | } |
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| 304 | } |
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| 305 | |
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[3151] | 306 | void Contour2D::setColorMode(ColorMode mode) |
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| 307 | { |
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| 308 | _colorMode = mode; |
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| 309 | if (_dataSet == NULL) |
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| 310 | return; |
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| 311 | |
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| 312 | switch (mode) { |
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| 313 | case COLOR_BY_SCALAR: |
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| 314 | setColorMode(mode, |
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| 315 | _dataSet->getActiveScalarsType(), |
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| 316 | _dataSet->getActiveScalarsName(), |
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| 317 | _dataRange); |
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| 318 | break; |
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| 319 | case COLOR_BY_VECTOR_MAGNITUDE: |
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| 320 | setColorMode(mode, |
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| 321 | _dataSet->getActiveVectorsType(), |
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| 322 | _dataSet->getActiveVectorsName(), |
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| 323 | _vectorMagnitudeRange); |
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| 324 | break; |
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| 325 | case COLOR_BY_VECTOR_X: |
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| 326 | setColorMode(mode, |
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| 327 | _dataSet->getActiveVectorsType(), |
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| 328 | _dataSet->getActiveVectorsName(), |
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| 329 | _vectorComponentRange[0]); |
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| 330 | break; |
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| 331 | case COLOR_BY_VECTOR_Y: |
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| 332 | setColorMode(mode, |
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| 333 | _dataSet->getActiveVectorsType(), |
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| 334 | _dataSet->getActiveVectorsName(), |
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| 335 | _vectorComponentRange[1]); |
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| 336 | break; |
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| 337 | case COLOR_BY_VECTOR_Z: |
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| 338 | setColorMode(mode, |
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| 339 | _dataSet->getActiveVectorsType(), |
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| 340 | _dataSet->getActiveVectorsName(), |
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| 341 | _vectorComponentRange[2]); |
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| 342 | break; |
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| 343 | case COLOR_CONSTANT: |
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| 344 | default: |
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| 345 | setColorMode(mode, DataSet::POINT_DATA, NULL, NULL); |
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| 346 | break; |
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| 347 | } |
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| 348 | } |
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| 349 | |
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| 350 | void Contour2D::setColorMode(ColorMode mode, |
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| 351 | const char *name, double range[2]) |
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| 352 | { |
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| 353 | if (_dataSet == NULL) |
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| 354 | return; |
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| 355 | DataSet::DataAttributeType type = DataSet::POINT_DATA; |
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| 356 | int numComponents = 1; |
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| 357 | if (name != NULL && strlen(name) > 0 && |
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| 358 | !_dataSet->getFieldInfo(name, &type, &numComponents)) { |
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| 359 | ERROR("Field not found: %s", name); |
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| 360 | return; |
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| 361 | } |
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| 362 | setColorMode(mode, type, name, range); |
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| 363 | } |
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| 364 | |
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| 365 | void Contour2D::setColorMode(ColorMode mode, DataSet::DataAttributeType type, |
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| 366 | const char *name, double range[2]) |
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| 367 | { |
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| 368 | _colorMode = mode; |
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| 369 | _colorFieldType = type; |
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| 370 | if (name == NULL) |
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| 371 | _colorFieldName.clear(); |
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| 372 | else |
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| 373 | _colorFieldName = name; |
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| 374 | if (range == NULL) { |
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| 375 | _colorFieldRange[0] = DBL_MAX; |
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| 376 | _colorFieldRange[1] = -DBL_MAX; |
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| 377 | } else { |
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| 378 | memcpy(_colorFieldRange, range, sizeof(double)*2); |
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| 379 | } |
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| 380 | |
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[3680] | 381 | if (_dataSet == NULL || _mapper == NULL) |
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[3151] | 382 | return; |
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| 383 | |
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| 384 | switch (type) { |
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| 385 | case DataSet::POINT_DATA: |
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[3680] | 386 | _mapper->SetScalarModeToUsePointFieldData(); |
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[3151] | 387 | break; |
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| 388 | case DataSet::CELL_DATA: |
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[3680] | 389 | _mapper->SetScalarModeToUseCellFieldData(); |
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[3151] | 390 | break; |
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| 391 | default: |
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| 392 | ERROR("Unsupported DataAttributeType: %d", type); |
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| 393 | return; |
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| 394 | } |
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| 395 | |
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| 396 | if (name != NULL && strlen(name) > 0) { |
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[3680] | 397 | _mapper->SelectColorArray(name); |
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[3151] | 398 | } else { |
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[3680] | 399 | _mapper->SetScalarModeToDefault(); |
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[3151] | 400 | } |
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| 401 | |
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| 402 | if (_lut != NULL) { |
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| 403 | if (range != NULL) { |
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| 404 | _lut->SetRange(range); |
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| 405 | } else if (name != NULL && strlen(name) > 0) { |
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| 406 | double r[2]; |
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| 407 | int comp = -1; |
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| 408 | if (mode == COLOR_BY_VECTOR_X) |
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| 409 | comp = 0; |
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| 410 | else if (mode == COLOR_BY_VECTOR_Y) |
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| 411 | comp = 1; |
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| 412 | else if (mode == COLOR_BY_VECTOR_Z) |
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| 413 | comp = 2; |
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| 414 | |
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| 415 | if (_renderer->getUseCumulativeRange()) { |
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| 416 | int numComponents; |
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| 417 | if (!_dataSet->getFieldInfo(name, type, &numComponents)) { |
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| 418 | ERROR("Field not found: %s, type: %d", name, type); |
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| 419 | return; |
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| 420 | } else if (numComponents < comp+1) { |
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| 421 | ERROR("Request for component %d in field with %d components", |
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| 422 | comp, numComponents); |
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| 423 | return; |
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| 424 | } |
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| 425 | _renderer->getCumulativeDataRange(r, name, type, numComponents, comp); |
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| 426 | } else { |
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| 427 | _dataSet->getDataRange(r, name, type, comp); |
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| 428 | } |
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| 429 | _lut->SetRange(r); |
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| 430 | } |
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| 431 | } |
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| 432 | |
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| 433 | switch (mode) { |
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| 434 | case COLOR_BY_SCALAR: |
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[3680] | 435 | _mapper->ScalarVisibilityOn(); |
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[3151] | 436 | break; |
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| 437 | case COLOR_BY_VECTOR_MAGNITUDE: |
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[3680] | 438 | _mapper->ScalarVisibilityOn(); |
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[3151] | 439 | if (_lut != NULL) { |
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| 440 | _lut->SetVectorModeToMagnitude(); |
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| 441 | } |
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| 442 | break; |
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| 443 | case COLOR_BY_VECTOR_X: |
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[3680] | 444 | _mapper->ScalarVisibilityOn(); |
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[3151] | 445 | if (_lut != NULL) { |
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| 446 | _lut->SetVectorModeToComponent(); |
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| 447 | _lut->SetVectorComponent(0); |
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| 448 | } |
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| 449 | break; |
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| 450 | case COLOR_BY_VECTOR_Y: |
---|
[3680] | 451 | _mapper->ScalarVisibilityOn(); |
---|
[3151] | 452 | if (_lut != NULL) { |
---|
| 453 | _lut->SetVectorModeToComponent(); |
---|
| 454 | _lut->SetVectorComponent(1); |
---|
| 455 | } |
---|
| 456 | break; |
---|
| 457 | case COLOR_BY_VECTOR_Z: |
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[3680] | 458 | _mapper->ScalarVisibilityOn(); |
---|
[3151] | 459 | if (_lut != NULL) { |
---|
| 460 | _lut->SetVectorModeToComponent(); |
---|
| 461 | _lut->SetVectorComponent(2); |
---|
| 462 | } |
---|
| 463 | break; |
---|
| 464 | case COLOR_CONSTANT: |
---|
| 465 | default: |
---|
[3680] | 466 | _mapper->ScalarVisibilityOff(); |
---|
[3151] | 467 | break; |
---|
| 468 | } |
---|
| 469 | } |
---|
| 470 | |
---|
[2100] | 471 | /** |
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[3151] | 472 | * \brief Called when the color map has been edited |
---|
| 473 | */ |
---|
| 474 | void Contour2D::updateColorMap() |
---|
| 475 | { |
---|
| 476 | setColorMap(_colorMap); |
---|
| 477 | } |
---|
| 478 | |
---|
| 479 | /** |
---|
| 480 | * \brief Associate a colormap lookup table with the DataSet |
---|
| 481 | */ |
---|
| 482 | void Contour2D::setColorMap(ColorMap *cmap) |
---|
| 483 | { |
---|
| 484 | if (cmap == NULL) |
---|
| 485 | return; |
---|
| 486 | |
---|
| 487 | _colorMap = cmap; |
---|
| 488 | |
---|
| 489 | if (_lut == NULL) { |
---|
| 490 | _lut = vtkSmartPointer<vtkLookupTable>::New(); |
---|
[3680] | 491 | if (_mapper != NULL) { |
---|
| 492 | _mapper->UseLookupTableScalarRangeOn(); |
---|
| 493 | _mapper->SetLookupTable(_lut); |
---|
[3151] | 494 | } |
---|
| 495 | _lut->DeepCopy(cmap->getLookupTable()); |
---|
| 496 | switch (_colorMode) { |
---|
| 497 | case COLOR_CONSTANT: |
---|
| 498 | case COLOR_BY_SCALAR: |
---|
| 499 | _lut->SetRange(_dataRange); |
---|
| 500 | break; |
---|
| 501 | case COLOR_BY_VECTOR_MAGNITUDE: |
---|
| 502 | _lut->SetRange(_vectorMagnitudeRange); |
---|
| 503 | break; |
---|
| 504 | case COLOR_BY_VECTOR_X: |
---|
| 505 | _lut->SetRange(_vectorComponentRange[0]); |
---|
| 506 | break; |
---|
| 507 | case COLOR_BY_VECTOR_Y: |
---|
| 508 | _lut->SetRange(_vectorComponentRange[1]); |
---|
| 509 | break; |
---|
| 510 | case COLOR_BY_VECTOR_Z: |
---|
| 511 | _lut->SetRange(_vectorComponentRange[2]); |
---|
| 512 | break; |
---|
| 513 | default: |
---|
| 514 | break; |
---|
| 515 | } |
---|
| 516 | } else { |
---|
| 517 | double range[2]; |
---|
| 518 | _lut->GetTableRange(range); |
---|
| 519 | _lut->DeepCopy(cmap->getLookupTable()); |
---|
| 520 | _lut->SetRange(range); |
---|
[3330] | 521 | _lut->Modified(); |
---|
[3151] | 522 | } |
---|
| 523 | |
---|
| 524 | switch (_colorMode) { |
---|
| 525 | case COLOR_BY_VECTOR_MAGNITUDE: |
---|
| 526 | _lut->SetVectorModeToMagnitude(); |
---|
| 527 | break; |
---|
| 528 | case COLOR_BY_VECTOR_X: |
---|
| 529 | _lut->SetVectorModeToComponent(); |
---|
| 530 | _lut->SetVectorComponent(0); |
---|
| 531 | break; |
---|
| 532 | case COLOR_BY_VECTOR_Y: |
---|
| 533 | _lut->SetVectorModeToComponent(); |
---|
| 534 | _lut->SetVectorComponent(1); |
---|
| 535 | break; |
---|
| 536 | case COLOR_BY_VECTOR_Z: |
---|
| 537 | _lut->SetVectorModeToComponent(); |
---|
| 538 | _lut->SetVectorComponent(2); |
---|
| 539 | break; |
---|
| 540 | default: |
---|
| 541 | break; |
---|
| 542 | } |
---|
| 543 | } |
---|
| 544 | |
---|
| 545 | /** |
---|
[2194] | 546 | * \brief Specify number of evenly spaced contour lines to render |
---|
| 547 | * |
---|
| 548 | * Will override any existing contours |
---|
| 549 | */ |
---|
[3490] | 550 | void Contour2D::setNumContours(int numContours) |
---|
[2194] | 551 | { |
---|
| 552 | _contours.clear(); |
---|
| 553 | _numContours = numContours; |
---|
| 554 | |
---|
| 555 | update(); |
---|
| 556 | } |
---|
| 557 | |
---|
| 558 | /** |
---|
[2100] | 559 | * \brief Specify an explicit list of contour isovalues |
---|
| 560 | * |
---|
| 561 | * Will override any existing contours |
---|
| 562 | */ |
---|
| 563 | void Contour2D::setContourList(const std::vector<double>& contours) |
---|
| 564 | { |
---|
| 565 | _contours = contours; |
---|
[2194] | 566 | _numContours = (int)_contours.size(); |
---|
[2100] | 567 | |
---|
| 568 | update(); |
---|
| 569 | } |
---|
| 570 | |
---|
| 571 | /** |
---|
[2194] | 572 | * \brief Get the number of contours |
---|
| 573 | */ |
---|
| 574 | int Contour2D::getNumContours() const |
---|
| 575 | { |
---|
| 576 | return _numContours; |
---|
| 577 | } |
---|
| 578 | |
---|
| 579 | /** |
---|
| 580 | * \brief Get the contour list (may be empty if number of contours |
---|
| 581 | * was specified in place of a list) |
---|
| 582 | */ |
---|
| 583 | const std::vector<double>& Contour2D::getContourList() const |
---|
| 584 | { |
---|
| 585 | return _contours; |
---|
| 586 | } |
---|
| 587 | |
---|
| 588 | /** |
---|
[2100] | 589 | * \brief Set a group of world coordinate planes to clip rendering |
---|
[2112] | 590 | * |
---|
| 591 | * Passing NULL for planes will remove all cliping planes |
---|
[2100] | 592 | */ |
---|
| 593 | void Contour2D::setClippingPlanes(vtkPlaneCollection *planes) |
---|
| 594 | { |
---|
[3680] | 595 | if (_mapper != NULL) { |
---|
| 596 | _mapper->SetClippingPlanes(planes); |
---|
[2112] | 597 | } |
---|
[2100] | 598 | } |
---|