[2317] | 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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[2317] | 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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[3615] | 8 | #ifndef VTKVIS_STREAMLINES_H |
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| 9 | #define VTKVIS_STREAMLINES_H |
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[2317] | 10 | |
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| 11 | #include <vtkSmartPointer.h> |
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| 12 | #include <vtkProp.h> |
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| 13 | #include <vtkPlaneCollection.h> |
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| 14 | #include <vtkStreamTracer.h> |
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| 15 | #include <vtkPolyDataAlgorithm.h> |
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| 16 | #include <vtkPolyDataMapper.h> |
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| 17 | #include <vtkLookupTable.h> |
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[2328] | 18 | #include <vtkAssembly.h> |
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[2317] | 19 | |
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[2402] | 20 | #include "ColorMap.h" |
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[3621] | 21 | #include "GraphicsObject.h" |
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| 22 | #include "DataSet.h" |
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[2317] | 23 | |
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| 24 | namespace VtkVis { |
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| 25 | |
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| 26 | /** |
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| 27 | * \brief Streamline visualization of vector fields |
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[2328] | 28 | * |
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| 29 | * The DataSet must contain vectors |
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[2317] | 30 | */ |
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[3621] | 31 | class Streamlines : public GraphicsObject { |
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[2317] | 32 | public: |
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| 33 | enum LineType { |
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| 34 | LINES, |
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| 35 | TUBES, |
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| 36 | RIBBONS |
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| 37 | }; |
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[2393] | 38 | enum ColorMode { |
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| 39 | COLOR_BY_SCALAR, |
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| 40 | COLOR_BY_VECTOR_MAGNITUDE, |
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| 41 | COLOR_BY_VECTOR_X, |
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| 42 | COLOR_BY_VECTOR_Y, |
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| 43 | COLOR_BY_VECTOR_Z, |
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| 44 | COLOR_CONSTANT |
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| 45 | }; |
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[2510] | 46 | enum StepUnit { |
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| 47 | LENGTH_UNIT, |
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| 48 | CELL_LENGTH_UNIT |
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| 49 | }; |
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| 50 | enum IntegratorType { |
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| 51 | RUNGE_KUTTA2, |
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| 52 | RUNGE_KUTTA4, |
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| 53 | RUNGE_KUTTA45 |
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| 54 | }; |
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| 55 | enum IntegrationDirection { |
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| 56 | FORWARD, |
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| 57 | BACKWARD, |
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| 58 | BOTH |
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| 59 | }; |
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[2581] | 60 | enum SeedType { |
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| 61 | DATASET_MESH_POINTS, |
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| 62 | DATASET_FILLED_MESH, |
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| 63 | MESH_POINTS, |
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| 64 | FILLED_MESH, |
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| 65 | RAKE, |
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| 66 | DISK, |
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| 67 | POLYGON, |
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| 68 | FILLED_POLYGON |
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| 69 | }; |
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[2317] | 70 | |
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| 71 | Streamlines(); |
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| 72 | virtual ~Streamlines(); |
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| 73 | |
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[2328] | 74 | virtual const char *getClassName() const |
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| 75 | { |
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| 76 | return "Streamlines"; |
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| 77 | } |
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[2317] | 78 | |
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[2402] | 79 | virtual void setDataSet(DataSet *dataSet, |
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[2612] | 80 | Renderer *renderer); |
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[2402] | 81 | |
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[2328] | 82 | virtual void setLighting(bool state); |
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[2332] | 83 | |
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| 84 | virtual void setOpacity(double opacity); |
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| 85 | |
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[2328] | 86 | virtual void setVisibility(bool state); |
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[2317] | 87 | |
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[2328] | 88 | virtual bool getVisibility(); |
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[2317] | 89 | |
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[2393] | 90 | virtual void setColor(float color[3]); |
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| 91 | |
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[2328] | 92 | virtual void setEdgeVisibility(bool state); |
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| 93 | |
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| 94 | virtual void setEdgeColor(float color[3]); |
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| 95 | |
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| 96 | virtual void setEdgeWidth(float edgeWidth); |
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| 97 | |
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| 98 | virtual void setClippingPlanes(vtkPlaneCollection *planes); |
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| 99 | |
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[2581] | 100 | void setNumberOfSeedPoints(int numPoints); |
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| 101 | |
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[3682] | 102 | void setSeedToMeshPoints(int maxPoints = 500); |
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[2317] | 103 | |
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[2506] | 104 | void setSeedToFilledMesh(int numPoints); |
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| 105 | |
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[3682] | 106 | void setSeedToMeshPoints(vtkDataSet *ds, int maxPoints = 500); |
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[2506] | 107 | |
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| 108 | void setSeedToFilledMesh(vtkDataSet *ds, int numPoints); |
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| 109 | |
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[2317] | 110 | void setSeedToRake(double start[3], double end[3], int numPoints); |
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| 111 | |
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[2349] | 112 | void setSeedToDisk(double center[3], double normal[3], |
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| 113 | double radius, double innerRadius, int numPoints); |
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| 114 | |
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[2318] | 115 | void setSeedToPolygon(double center[3], double normal[3], |
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[2349] | 116 | double angle, double radius, |
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| 117 | int numSides); |
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[2318] | 118 | |
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[2349] | 119 | void setSeedToFilledPolygon(double center[3], double normal[3], |
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| 120 | double angle, double radius, |
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| 121 | int numSides, int numPoints); |
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| 122 | |
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[2510] | 123 | void setIntegrator(IntegratorType integrator); |
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| 124 | |
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| 125 | void setIntegrationDirection(IntegrationDirection dir); |
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| 126 | |
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| 127 | void setIntegrationStepUnit(StepUnit unit); |
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| 128 | |
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| 129 | void setInitialIntegrationStep(double step); |
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| 130 | |
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| 131 | void setMinimumIntegrationStep(double step); |
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| 132 | |
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| 133 | void setMaximumIntegrationStep(double step); |
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| 134 | |
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| 135 | void setMaximumError(double error); |
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| 136 | |
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[2317] | 137 | void setMaxPropagation(double length); |
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| 138 | |
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[2510] | 139 | void setMaxNumberOfSteps(int steps); |
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| 140 | |
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| 141 | void setTerminalSpeed(double speed); |
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| 142 | |
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[2317] | 143 | void setLineTypeToLines(); |
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| 144 | |
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| 145 | void setLineTypeToTubes(int numSides, double radius); |
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| 146 | |
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| 147 | void setLineTypeToRibbons(double width, double angle); |
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| 148 | |
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[2612] | 149 | void setColorMode(ColorMode mode, DataSet::DataAttributeType type, |
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| 150 | const char *name, double range[2] = NULL); |
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| 151 | |
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| 152 | void setColorMode(ColorMode mode, |
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| 153 | const char *name, double range[2] = NULL); |
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| 154 | |
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[2393] | 155 | void setColorMode(ColorMode mode); |
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| 156 | |
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[2402] | 157 | void setColorMap(ColorMap *colorMap); |
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[2317] | 158 | |
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[2402] | 159 | /** |
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| 160 | * \brief Return the ColorMap in use |
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| 161 | */ |
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| 162 | ColorMap *getColorMap() |
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| 163 | { |
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| 164 | return _colorMap; |
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| 165 | } |
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[2317] | 166 | |
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[2402] | 167 | void updateColorMap(); |
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| 168 | |
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[2612] | 169 | virtual void updateRanges(Renderer *renderer); |
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[2402] | 170 | |
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[2317] | 171 | void setSeedVisibility(bool state); |
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| 172 | |
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| 173 | void setSeedColor(float color[3]); |
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| 174 | |
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[3682] | 175 | void setSeedPointSize(float size); |
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| 176 | |
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[2317] | 177 | private: |
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[2328] | 178 | virtual void initProp(); |
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| 179 | virtual void update(); |
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[2317] | 180 | |
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[2349] | 181 | static double getRandomNum(double min, double max); |
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[2317] | 182 | static void getRandomPoint(double pt[3], const double bounds[6]); |
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[2349] | 183 | static void getRandomPointInTriangle(double pt[3], |
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[2507] | 184 | const double v0[3], |
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[2349] | 185 | const double v1[3], |
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[2507] | 186 | const double v2[3]); |
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[2349] | 187 | static void getRandomPointOnLineSegment(double pt[3], |
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| 188 | const double endpt[3], |
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| 189 | const double endpt2[3]); |
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[2507] | 190 | static void getRandomPointInTetrahedron(double pt[3], |
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| 191 | const double v0[3], |
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| 192 | const double v1[3], |
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| 193 | const double v2[3], |
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| 194 | const double v3[3]); |
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[2349] | 195 | static void getRandomCellPt(double pt[3], vtkDataSet *ds); |
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[2317] | 196 | |
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| 197 | LineType _lineType; |
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[2612] | 198 | ColorMap *_colorMap; |
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[2393] | 199 | ColorMode _colorMode; |
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[2612] | 200 | std::string _colorFieldName; |
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| 201 | DataSet::DataAttributeType _colorFieldType; |
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| 202 | double _colorFieldRange[2]; |
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[2581] | 203 | SeedType _seedType; |
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[2317] | 204 | float _seedColor[3]; |
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| 205 | bool _seedVisible; |
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[2402] | 206 | double _vectorMagnitudeRange[2]; |
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| 207 | double _vectorComponentRange[3][2]; |
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[2612] | 208 | Renderer *_renderer; |
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[2454] | 209 | double _dataScale; |
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[2317] | 210 | |
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| 211 | vtkSmartPointer<vtkLookupTable> _lut; |
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[2328] | 212 | vtkSmartPointer<vtkActor> _linesActor; |
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[2317] | 213 | vtkSmartPointer<vtkActor> _seedActor; |
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[2581] | 214 | vtkSmartPointer<vtkDataSet> _seedMesh; |
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[3680] | 215 | vtkSmartPointer<vtkAlgorithm> _mesher; |
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[2317] | 216 | vtkSmartPointer<vtkStreamTracer> _streamTracer; |
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| 217 | vtkSmartPointer<vtkPolyDataAlgorithm> _lineFilter; |
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| 218 | vtkSmartPointer<vtkPolyDataMapper> _pdMapper; |
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| 219 | vtkSmartPointer<vtkPolyDataMapper> _seedMapper; |
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| 220 | }; |
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| 221 | |
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| 222 | } |
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| 223 | |
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| 224 | #endif |
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