[2317] | 1 | /* -*- mode: c++; c-basic-offset: 4; indent-tabs-mode: nil -*- */ |
---|
| 2 | /* |
---|
[3177] | 3 | * Copyright (C) 2004-2012 HUBzero Foundation, LLC |
---|
[2317] | 4 | * |
---|
| 5 | * Author: Leif Delgass <ldelgass@purdue.edu> |
---|
| 6 | */ |
---|
| 7 | |
---|
| 8 | #include <cstdlib> |
---|
| 9 | #include <ctime> |
---|
| 10 | #include <cfloat> |
---|
[2349] | 11 | #include <cmath> |
---|
[2625] | 12 | #include <cstring> |
---|
[2349] | 13 | |
---|
| 14 | #include <vtkMath.h> |
---|
[2317] | 15 | #include <vtkActor.h> |
---|
| 16 | #include <vtkProperty.h> |
---|
| 17 | #include <vtkPoints.h> |
---|
| 18 | #include <vtkCellArray.h> |
---|
| 19 | #include <vtkPolyLine.h> |
---|
[2318] | 20 | #include <vtkRegularPolygonSource.h> |
---|
[2317] | 21 | #include <vtkPointData.h> |
---|
| 22 | #include <vtkCellData.h> |
---|
| 23 | #include <vtkCellDataToPointData.h> |
---|
[3680] | 24 | #include <vtkDelaunay2D.h> |
---|
| 25 | #include <vtkDelaunay3D.h> |
---|
| 26 | #include <vtkUnstructuredGrid.h> |
---|
[2507] | 27 | #include <vtkPolygon.h> |
---|
[2317] | 28 | #include <vtkPolyData.h> |
---|
| 29 | #include <vtkTubeFilter.h> |
---|
| 30 | #include <vtkRibbonFilter.h> |
---|
[2349] | 31 | #include <vtkTransform.h> |
---|
| 32 | #include <vtkTransformPolyDataFilter.h> |
---|
[2506] | 33 | #include <vtkVertexGlyphFilter.h> |
---|
[3682] | 34 | #include <vtkMaskPoints.h> |
---|
[2317] | 35 | |
---|
[3616] | 36 | #include "Streamlines.h" |
---|
[3621] | 37 | #include "Renderer.h" |
---|
[2317] | 38 | #include "Trace.h" |
---|
| 39 | |
---|
[3615] | 40 | using namespace VtkVis; |
---|
[2317] | 41 | |
---|
| 42 | Streamlines::Streamlines() : |
---|
[3621] | 43 | GraphicsObject(), |
---|
[2317] | 44 | _lineType(LINES), |
---|
[2612] | 45 | _colorMap(NULL), |
---|
[2393] | 46 | _colorMode(COLOR_BY_VECTOR_MAGNITUDE), |
---|
[2612] | 47 | _colorFieldType(DataSet::POINT_DATA), |
---|
[2454] | 48 | _seedVisible(true), |
---|
[2612] | 49 | _renderer(NULL), |
---|
[2454] | 50 | _dataScale(1) |
---|
[2317] | 51 | { |
---|
[2393] | 52 | _faceCulling = true; |
---|
| 53 | _color[0] = 1.0f; |
---|
| 54 | _color[1] = 1.0f; |
---|
| 55 | _color[2] = 1.0f; |
---|
[2317] | 56 | _seedColor[0] = 1.0f; |
---|
| 57 | _seedColor[1] = 1.0f; |
---|
| 58 | _seedColor[2] = 1.0f; |
---|
[2612] | 59 | _colorFieldRange[0] = DBL_MAX; |
---|
| 60 | _colorFieldRange[1] = -DBL_MAX; |
---|
[2349] | 61 | vtkMath::RandomSeed((int)time(NULL)); |
---|
| 62 | srand((unsigned int)time(NULL)); |
---|
[2317] | 63 | } |
---|
| 64 | |
---|
| 65 | Streamlines::~Streamlines() |
---|
| 66 | { |
---|
[2573] | 67 | #ifdef WANT_TRACE |
---|
| 68 | if (_dataSet != NULL) |
---|
| 69 | TRACE("Deleting Streamlines for %s", _dataSet->getName().c_str()); |
---|
| 70 | else |
---|
| 71 | TRACE("Deleting Streamlines with NULL DataSet"); |
---|
| 72 | #endif |
---|
[2317] | 73 | } |
---|
| 74 | |
---|
[2402] | 75 | void Streamlines::setDataSet(DataSet *dataSet, |
---|
[2612] | 76 | Renderer *renderer) |
---|
[2402] | 77 | { |
---|
| 78 | if (_dataSet != dataSet) { |
---|
| 79 | _dataSet = dataSet; |
---|
| 80 | |
---|
[2612] | 81 | _renderer = renderer; |
---|
| 82 | |
---|
| 83 | if (renderer->getUseCumulativeRange()) { |
---|
| 84 | renderer->getCumulativeDataRange(_dataRange, |
---|
| 85 | _dataSet->getActiveScalarsName(), |
---|
| 86 | 1); |
---|
| 87 | renderer->getCumulativeDataRange(_vectorMagnitudeRange, |
---|
| 88 | _dataSet->getActiveVectorsName(), |
---|
| 89 | 3); |
---|
[2402] | 90 | for (int i = 0; i < 3; i++) { |
---|
[2612] | 91 | renderer->getCumulativeDataRange(_vectorComponentRange[i], |
---|
| 92 | _dataSet->getActiveVectorsName(), |
---|
| 93 | 3, i); |
---|
[2402] | 94 | } |
---|
| 95 | } else { |
---|
| 96 | _dataSet->getScalarRange(_dataRange); |
---|
| 97 | _dataSet->getVectorRange(_vectorMagnitudeRange); |
---|
| 98 | for (int i = 0; i < 3; i++) { |
---|
| 99 | _dataSet->getVectorRange(_vectorComponentRange[i], i); |
---|
| 100 | } |
---|
| 101 | } |
---|
| 102 | |
---|
| 103 | update(); |
---|
| 104 | } |
---|
| 105 | } |
---|
| 106 | |
---|
[2317] | 107 | /** |
---|
| 108 | * \brief Create and initialize a VTK Prop to render Streamlines |
---|
| 109 | */ |
---|
| 110 | void Streamlines::initProp() |
---|
| 111 | { |
---|
[2328] | 112 | if (_linesActor == NULL) { |
---|
| 113 | _linesActor = vtkSmartPointer<vtkActor>::New(); |
---|
[2393] | 114 | _linesActor->GetProperty()->SetColor(_color[0], _color[1], _color[2]); |
---|
[2328] | 115 | _linesActor->GetProperty()->SetEdgeColor(_edgeColor[0], _edgeColor[1], _edgeColor[2]); |
---|
| 116 | _linesActor->GetProperty()->SetLineWidth(_edgeWidth); |
---|
| 117 | _linesActor->GetProperty()->SetOpacity(_opacity); |
---|
| 118 | _linesActor->GetProperty()->SetAmbient(.2); |
---|
[2317] | 119 | if (!_lighting) |
---|
[2328] | 120 | _linesActor->GetProperty()->LightingOff(); |
---|
[2317] | 121 | switch (_lineType) { |
---|
| 122 | case LINES: |
---|
[2393] | 123 | setCulling(_linesActor->GetProperty(), false); |
---|
[2328] | 124 | _linesActor->GetProperty()->SetRepresentationToWireframe(); |
---|
| 125 | _linesActor->GetProperty()->EdgeVisibilityOff(); |
---|
[2317] | 126 | break; |
---|
| 127 | case TUBES: |
---|
[2393] | 128 | if (_faceCulling && _opacity == 1.0) |
---|
| 129 | setCulling(_linesActor->GetProperty(), true); |
---|
[2328] | 130 | _linesActor->GetProperty()->SetRepresentationToSurface(); |
---|
| 131 | _linesActor->GetProperty()->EdgeVisibilityOff(); |
---|
[2317] | 132 | break; |
---|
| 133 | case RIBBONS: |
---|
[2393] | 134 | setCulling(_linesActor->GetProperty(), false); |
---|
[2328] | 135 | _linesActor->GetProperty()->SetRepresentationToSurface(); |
---|
| 136 | _linesActor->GetProperty()->EdgeVisibilityOff(); |
---|
[2317] | 137 | break; |
---|
| 138 | default: |
---|
| 139 | ; |
---|
| 140 | } |
---|
| 141 | } |
---|
| 142 | if (_seedActor == NULL) { |
---|
| 143 | _seedActor = vtkSmartPointer<vtkActor>::New(); |
---|
| 144 | _seedActor->GetProperty()->SetColor(_seedColor[0], _seedColor[1], _seedColor[2]); |
---|
[2506] | 145 | _seedActor->GetProperty()->SetEdgeColor(_seedColor[0], _seedColor[1], _seedColor[2]); |
---|
[2317] | 146 | _seedActor->GetProperty()->SetLineWidth(1); |
---|
| 147 | _seedActor->GetProperty()->SetPointSize(2); |
---|
| 148 | _seedActor->GetProperty()->SetOpacity(_opacity); |
---|
| 149 | _seedActor->GetProperty()->SetRepresentationToWireframe(); |
---|
| 150 | _seedActor->GetProperty()->LightingOff(); |
---|
[2467] | 151 | setSeedVisibility(_seedVisible); |
---|
[2317] | 152 | } |
---|
[2328] | 153 | if (_prop == NULL) { |
---|
| 154 | _prop = vtkSmartPointer<vtkAssembly>::New(); |
---|
| 155 | getAssembly()->AddPart(_linesActor); |
---|
| 156 | getAssembly()->AddPart(_seedActor); |
---|
[2317] | 157 | } |
---|
| 158 | } |
---|
| 159 | |
---|
[2349] | 160 | /** |
---|
| 161 | * \brief Get a pseudo-random number in range [min,max] |
---|
| 162 | */ |
---|
| 163 | double Streamlines::getRandomNum(double min, double max) |
---|
[2317] | 164 | { |
---|
[2349] | 165 | #if 1 |
---|
| 166 | return vtkMath::Random(min, max); |
---|
| 167 | #else |
---|
[2317] | 168 | int r = rand(); |
---|
[2349] | 169 | return (min + ((double)r / RAND_MAX) * (max - min)); |
---|
| 170 | #endif |
---|
[2317] | 171 | } |
---|
| 172 | |
---|
[2349] | 173 | /** |
---|
| 174 | * \brief Get a random 3D point within an AABB |
---|
| 175 | * |
---|
| 176 | * \param[out] pt The random point |
---|
| 177 | * \param[in] bounds The bounds of the AABB |
---|
| 178 | */ |
---|
| 179 | void Streamlines::getRandomPoint(double pt[3], const double bounds[6]) |
---|
[2317] | 180 | { |
---|
[2349] | 181 | pt[0] = getRandomNum(bounds[0], bounds[1]); |
---|
| 182 | pt[1] = getRandomNum(bounds[2], bounds[3]); |
---|
| 183 | pt[2] = getRandomNum(bounds[4], bounds[5]); |
---|
| 184 | } |
---|
| 185 | |
---|
| 186 | /** |
---|
| 187 | * \brief Get a random point within a triangle (including edges) |
---|
| 188 | * |
---|
| 189 | * \param[out] pt The random point |
---|
| 190 | * \param[in] v1 Triangle vertex 1 |
---|
| 191 | * \param[in] v2 Triangle vertex 2 |
---|
| 192 | * \param[in] v3 Triangle vertex 3 |
---|
| 193 | */ |
---|
| 194 | void Streamlines::getRandomPointInTriangle(double pt[3], |
---|
[2507] | 195 | const double v0[3], |
---|
[2349] | 196 | const double v1[3], |
---|
[2507] | 197 | const double v2[3]) |
---|
[2349] | 198 | { |
---|
| 199 | // Choose random barycentric coordinates |
---|
| 200 | double bary[3]; |
---|
| 201 | bary[0] = getRandomNum(0, 1); |
---|
| 202 | bary[1] = getRandomNum(0, 1); |
---|
| 203 | if (bary[0] + bary[1] > 1.0) { |
---|
| 204 | bary[0] = 1.0 - bary[0]; |
---|
| 205 | bary[1] = 1.0 - bary[1]; |
---|
| 206 | } |
---|
| 207 | bary[2] = 1.0 - bary[0] - bary[1]; |
---|
| 208 | |
---|
[2573] | 209 | //TRACE("bary %g %g %g", bary[0], bary[1], bary[2]); |
---|
[2349] | 210 | // Convert to cartesian coords |
---|
| 211 | for (int i = 0; i < 3; i++) { |
---|
[2507] | 212 | pt[i] = v0[i] * bary[0] + v1[i] * bary[1] + v2[i] * bary[2]; |
---|
[2349] | 213 | } |
---|
| 214 | } |
---|
| 215 | |
---|
[2507] | 216 | void Streamlines::getRandomPointInTetrahedron(double pt[3], |
---|
| 217 | const double v0[3], |
---|
| 218 | const double v1[3], |
---|
| 219 | const double v2[3], |
---|
| 220 | const double v3[3]) |
---|
| 221 | { |
---|
| 222 | // Choose random barycentric coordinates |
---|
| 223 | double bary[4]; |
---|
| 224 | bary[0] = getRandomNum(0, 1); |
---|
| 225 | bary[1] = getRandomNum(0, 1); |
---|
| 226 | bary[2] = getRandomNum(0, 1); |
---|
| 227 | if (bary[0] + bary[1] > 1.0) { |
---|
| 228 | bary[0] = 1.0 - bary[0]; |
---|
| 229 | bary[1] = 1.0 - bary[1]; |
---|
| 230 | } |
---|
| 231 | if (bary[1] + bary[2] > 1.0) { |
---|
| 232 | double tmp = bary[2]; |
---|
| 233 | bary[2] = 1.0 - bary[0] - bary[1]; |
---|
| 234 | bary[1] = 1.0 - tmp; |
---|
| 235 | } else if (bary[0] + bary[1] + bary[2] > 1.0) { |
---|
| 236 | double tmp = bary[2]; |
---|
| 237 | bary[2] = bary[0] + bary[1] + bary[2] - 1.0; |
---|
| 238 | bary[0] = 1.0 - bary[1] - tmp; |
---|
| 239 | } |
---|
| 240 | bary[3] = 1.0 - bary[0] - bary[1] - bary[2]; |
---|
[2573] | 241 | //TRACE("bary %g %g %g %g", bary[0], bary[1], bary[2], bary[3]); |
---|
[2507] | 242 | // Convert to cartesian coords |
---|
| 243 | for (int i = 0; i < 3; i++) { |
---|
| 244 | #if 0 |
---|
| 245 | pt[i] = (v0[i] - v3[i]) * bary[0] + |
---|
| 246 | (v1[i] - v3[i]) * bary[1] + |
---|
| 247 | (v2[i] - v3[i]) * bary[2] + v3[i]; |
---|
| 248 | #else |
---|
| 249 | pt[i] = v0[i] * bary[0] + v1[i] * bary[1] + |
---|
| 250 | v2[i] * bary[2] + v3[i] * bary[3]; |
---|
| 251 | #endif |
---|
| 252 | } |
---|
| 253 | } |
---|
| 254 | |
---|
[2349] | 255 | /** |
---|
| 256 | * \brief Get a random point on a line segment (including endpoints) |
---|
| 257 | */ |
---|
| 258 | void Streamlines::getRandomPointOnLineSegment(double pt[3], |
---|
| 259 | const double endpt[3], |
---|
| 260 | const double endpt2[3]) |
---|
| 261 | { |
---|
| 262 | double ratio = getRandomNum(0, 1); |
---|
| 263 | pt[0] = endpt[0] + ratio * (endpt2[0] - endpt[0]); |
---|
| 264 | pt[1] = endpt[1] + ratio * (endpt2[1] - endpt[1]); |
---|
| 265 | pt[2] = endpt[2] + ratio * (endpt2[2] - endpt[2]); |
---|
| 266 | } |
---|
| 267 | |
---|
| 268 | /** |
---|
| 269 | * \brief Get a random point within a vtkDataSet's mesh |
---|
| 270 | * |
---|
[2507] | 271 | * Note: This currently doesn't always give a uniform distribution |
---|
| 272 | * of points in space and can generate points outside the mesh for |
---|
| 273 | * unusual cell types |
---|
[2349] | 274 | */ |
---|
| 275 | void Streamlines::getRandomCellPt(double pt[3], vtkDataSet *ds) |
---|
| 276 | { |
---|
[2317] | 277 | int numCells = (int)ds->GetNumberOfCells(); |
---|
[2349] | 278 | // XXX: Not uniform distribution (shouldn't use mod, and assumes |
---|
| 279 | // all cells are equal area/volume) |
---|
[2317] | 280 | int cell = rand() % numCells; |
---|
[2506] | 281 | int type = ds->GetCellType(cell); |
---|
[2533] | 282 | switch (type) { |
---|
| 283 | case VTK_VERTEX: { |
---|
[2506] | 284 | vtkSmartPointer<vtkIdList> ptIds = vtkSmartPointer<vtkIdList>::New(); |
---|
| 285 | ds->GetCellPoints(cell, ptIds); |
---|
| 286 | assert(ptIds->GetNumberOfIds() == 1); |
---|
| 287 | ds->GetPoint(ptIds->GetId(0), pt); |
---|
[2533] | 288 | } |
---|
| 289 | break; |
---|
| 290 | case VTK_POLY_VERTEX: { |
---|
[2507] | 291 | vtkSmartPointer<vtkIdList> ptIds = vtkSmartPointer<vtkIdList>::New(); |
---|
| 292 | ds->GetCellPoints(cell, ptIds); |
---|
| 293 | assert(ptIds->GetNumberOfIds() >= 1); |
---|
| 294 | int id = rand() % ptIds->GetNumberOfIds(); |
---|
| 295 | ds->GetPoint(ptIds->GetId(id), pt); |
---|
[2533] | 296 | } |
---|
| 297 | break; |
---|
| 298 | case VTK_LINE: { |
---|
[2506] | 299 | double v[2][3]; |
---|
| 300 | vtkSmartPointer<vtkIdList> ptIds = vtkSmartPointer<vtkIdList>::New(); |
---|
| 301 | ds->GetCellPoints(cell, ptIds); |
---|
| 302 | assert(ptIds->GetNumberOfIds() == 2); |
---|
| 303 | for (int i = 0; i < 2; i++) { |
---|
| 304 | ds->GetPoint(ptIds->GetId(i), v[i]); |
---|
| 305 | } |
---|
| 306 | getRandomPointOnLineSegment(pt, v[0], v[1]); |
---|
[2533] | 307 | } |
---|
| 308 | break; |
---|
| 309 | case VTK_POLY_LINE: { |
---|
[2507] | 310 | double v[2][3]; |
---|
| 311 | vtkSmartPointer<vtkIdList> ptIds = vtkSmartPointer<vtkIdList>::New(); |
---|
| 312 | ds->GetCellPoints(cell, ptIds); |
---|
| 313 | assert(ptIds->GetNumberOfIds() >= 2); |
---|
| 314 | int id = rand() % (ptIds->GetNumberOfIds()-1); |
---|
| 315 | for (int i = 0; i < 2; i++) { |
---|
| 316 | ds->GetPoint(ptIds->GetId(id+i), v[i]); |
---|
| 317 | } |
---|
| 318 | getRandomPointOnLineSegment(pt, v[0], v[1]); |
---|
[2533] | 319 | } |
---|
| 320 | break; |
---|
| 321 | case VTK_TRIANGLE: { |
---|
[2506] | 322 | double v[3][3]; |
---|
| 323 | vtkSmartPointer<vtkIdList> ptIds = vtkSmartPointer<vtkIdList>::New(); |
---|
| 324 | ds->GetCellPoints(cell, ptIds); |
---|
| 325 | assert(ptIds->GetNumberOfIds() == 3); |
---|
| 326 | for (int i = 0; i < 3; i++) { |
---|
| 327 | ds->GetPoint(ptIds->GetId(i), v[i]); |
---|
| 328 | } |
---|
| 329 | getRandomPointInTriangle(pt, v[0], v[1], v[2]); |
---|
[2533] | 330 | } |
---|
| 331 | break; |
---|
| 332 | case VTK_TRIANGLE_STRIP: { |
---|
[2507] | 333 | double v[3][3]; |
---|
| 334 | vtkSmartPointer<vtkIdList> ptIds = vtkSmartPointer<vtkIdList>::New(); |
---|
| 335 | ds->GetCellPoints(cell, ptIds); |
---|
| 336 | assert(ptIds->GetNumberOfIds() >= 3); |
---|
| 337 | int id = rand() % (ptIds->GetNumberOfIds()-2); |
---|
| 338 | for (int i = 0; i < 3; i++) { |
---|
| 339 | ds->GetPoint(ptIds->GetId(id+i), v[i]); |
---|
| 340 | } |
---|
| 341 | getRandomPointInTriangle(pt, v[0], v[1], v[2]); |
---|
[2533] | 342 | } |
---|
| 343 | break; |
---|
| 344 | case VTK_POLYGON: { |
---|
[2507] | 345 | vtkPolygon *poly = vtkPolygon::SafeDownCast(ds->GetCell(cell)); |
---|
| 346 | assert (poly != NULL); |
---|
| 347 | vtkSmartPointer<vtkIdList> ptIds = vtkSmartPointer<vtkIdList>::New(); |
---|
| 348 | poly->Triangulate(ptIds); |
---|
| 349 | assert(ptIds->GetNumberOfIds() >= 3 && ptIds->GetNumberOfIds() % 3 == 0); |
---|
| 350 | int tri = rand() % (ptIds->GetNumberOfIds()/3); |
---|
| 351 | double v[3][3]; |
---|
| 352 | for (int i = 0; i < 3; i++) { |
---|
| 353 | ds->GetPoint(ptIds->GetId(i + tri * 3), v[i]); |
---|
| 354 | } |
---|
| 355 | getRandomPointInTriangle(pt, v[0], v[1], v[2]); |
---|
[2533] | 356 | } |
---|
| 357 | break; |
---|
| 358 | case VTK_QUAD: { |
---|
[2506] | 359 | double v[4][3]; |
---|
| 360 | vtkSmartPointer<vtkIdList> ptIds = vtkSmartPointer<vtkIdList>::New(); |
---|
| 361 | ds->GetCellPoints(cell, ptIds); |
---|
| 362 | assert(ptIds->GetNumberOfIds() == 4); |
---|
| 363 | for (int i = 0; i < 4; i++) { |
---|
| 364 | ds->GetPoint(ptIds->GetId(i), v[i]); |
---|
| 365 | } |
---|
| 366 | int tri = rand() & 0x1; |
---|
| 367 | if (tri) { |
---|
| 368 | getRandomPointInTriangle(pt, v[0], v[1], v[2]); |
---|
| 369 | } else { |
---|
| 370 | getRandomPointInTriangle(pt, v[0], v[2], v[3]); |
---|
| 371 | } |
---|
[2533] | 372 | } |
---|
| 373 | break; |
---|
| 374 | case VTK_TETRA: { |
---|
[2507] | 375 | double v[4][3]; |
---|
| 376 | vtkSmartPointer<vtkIdList> ptIds = vtkSmartPointer<vtkIdList>::New(); |
---|
| 377 | ds->GetCellPoints(cell, ptIds); |
---|
| 378 | assert(ptIds->GetNumberOfIds() == 4); |
---|
| 379 | for (int i = 0; i < 4; i++) { |
---|
| 380 | ds->GetPoint(ptIds->GetId(i), v[i]); |
---|
| 381 | } |
---|
| 382 | getRandomPointInTetrahedron(pt, v[0], v[1], v[2], v[3]); |
---|
[2533] | 383 | } |
---|
| 384 | break; |
---|
| 385 | case VTK_WEDGE: { |
---|
[2507] | 386 | double v[6][3]; |
---|
| 387 | vtkSmartPointer<vtkIdList> ptIds = vtkSmartPointer<vtkIdList>::New(); |
---|
| 388 | ds->GetCellPoints(cell, ptIds); |
---|
| 389 | assert(ptIds->GetNumberOfIds() == 6); |
---|
| 390 | for (int i = 0; i < 6; i++) { |
---|
| 391 | ds->GetPoint(ptIds->GetId(i), v[i]); |
---|
| 392 | } |
---|
| 393 | double vv[3][3]; |
---|
| 394 | getRandomPointOnLineSegment(vv[0], v[0], v[3]); |
---|
| 395 | getRandomPointOnLineSegment(vv[1], v[1], v[4]); |
---|
| 396 | getRandomPointOnLineSegment(vv[2], v[2], v[5]); |
---|
| 397 | getRandomPointInTriangle(pt, vv[0], vv[1], vv[2]); |
---|
[2533] | 398 | } |
---|
| 399 | break; |
---|
| 400 | case VTK_PYRAMID: { |
---|
[2507] | 401 | double v[5][3]; |
---|
| 402 | vtkSmartPointer<vtkIdList> ptIds = vtkSmartPointer<vtkIdList>::New(); |
---|
| 403 | ds->GetCellPoints(cell, ptIds); |
---|
| 404 | assert(ptIds->GetNumberOfIds() == 5); |
---|
| 405 | for (int i = 0; i < 5; i++) { |
---|
| 406 | ds->GetPoint(ptIds->GetId(i), v[i]); |
---|
| 407 | } |
---|
| 408 | int tetra = rand() & 0x1; |
---|
| 409 | if (tetra) { |
---|
| 410 | getRandomPointInTetrahedron(pt, v[0], v[1], v[2], v[4]); |
---|
| 411 | } else { |
---|
| 412 | getRandomPointInTetrahedron(pt, v[0], v[2], v[3], v[4]); |
---|
| 413 | } |
---|
[2533] | 414 | } |
---|
| 415 | break; |
---|
| 416 | case VTK_PIXEL: |
---|
| 417 | case VTK_VOXEL: { |
---|
[2506] | 418 | double bounds[6]; |
---|
| 419 | ds->GetCellBounds(cell, bounds); |
---|
| 420 | getRandomPoint(pt, bounds); |
---|
| 421 | } |
---|
[2533] | 422 | break; |
---|
| 423 | default: { |
---|
| 424 | vtkSmartPointer<vtkIdList> ptIds = vtkSmartPointer<vtkIdList>::New(); |
---|
| 425 | vtkSmartPointer<vtkPoints> pts = vtkSmartPointer<vtkPoints>::New(); |
---|
| 426 | ds->GetCell(cell)->Triangulate(0, ptIds, pts); |
---|
| 427 | if (ptIds->GetNumberOfIds() % 4 == 0) { |
---|
| 428 | int tetra = rand() % (ptIds->GetNumberOfIds()/4); |
---|
| 429 | double v[4][3]; |
---|
| 430 | for (int i = 0; i < 4; i++) { |
---|
| 431 | ds->GetPoint(ptIds->GetId(i + tetra * 4), v[i]); |
---|
| 432 | } |
---|
| 433 | getRandomPointInTetrahedron(pt, v[0], v[1], v[2], v[4]); |
---|
| 434 | } else { |
---|
| 435 | assert(ptIds->GetNumberOfIds() % 3 == 0); |
---|
| 436 | int tri = rand() % (ptIds->GetNumberOfIds()/3); |
---|
| 437 | double v[3][3]; |
---|
| 438 | for (int i = 0; i < 3; i++) { |
---|
| 439 | ds->GetPoint(ptIds->GetId(i + tri * 3), v[i]); |
---|
| 440 | } |
---|
| 441 | getRandomPointInTriangle(pt, v[0], v[1], v[2]); |
---|
| 442 | } |
---|
| 443 | } |
---|
| 444 | } |
---|
[2317] | 445 | } |
---|
| 446 | |
---|
| 447 | /** |
---|
| 448 | * \brief Internal method to set up pipeline after a state change |
---|
| 449 | */ |
---|
| 450 | void Streamlines::update() |
---|
| 451 | { |
---|
| 452 | if (_dataSet == NULL) { |
---|
| 453 | return; |
---|
| 454 | } |
---|
| 455 | |
---|
| 456 | vtkDataSet *ds = _dataSet->getVtkDataSet(); |
---|
[2402] | 457 | |
---|
[2317] | 458 | double bounds[6]; |
---|
| 459 | _dataSet->getBounds(bounds); |
---|
[2513] | 460 | double xLen = bounds[1] - bounds[0]; |
---|
| 461 | double yLen = bounds[3] - bounds[2]; |
---|
| 462 | double zLen = bounds[5] - bounds[4]; |
---|
[2317] | 463 | double maxBound = 0.0; |
---|
[2513] | 464 | if (xLen > maxBound) { |
---|
| 465 | maxBound = xLen; |
---|
[2317] | 466 | } |
---|
[2513] | 467 | if (yLen > maxBound) { |
---|
| 468 | maxBound = yLen; |
---|
[2317] | 469 | } |
---|
[2513] | 470 | if (zLen > maxBound) { |
---|
| 471 | maxBound = zLen; |
---|
[2317] | 472 | } |
---|
| 473 | |
---|
[2454] | 474 | double cellSizeRange[2]; |
---|
| 475 | double avgSize; |
---|
| 476 | _dataSet->getCellSizeRange(cellSizeRange, &avgSize); |
---|
| 477 | _dataScale = avgSize / 8.; |
---|
| 478 | |
---|
[2317] | 479 | vtkSmartPointer<vtkCellDataToPointData> cellToPtData; |
---|
| 480 | |
---|
| 481 | if (ds->GetPointData() == NULL || |
---|
| 482 | ds->GetPointData()->GetVectors() == NULL) { |
---|
[2393] | 483 | TRACE("No vector point data found in DataSet %s", _dataSet->getName().c_str()); |
---|
[3525] | 484 | if (ds->GetCellData() != NULL && |
---|
| 485 | ds->GetCellData()->GetVectors() != NULL) { |
---|
[2317] | 486 | cellToPtData = |
---|
| 487 | vtkSmartPointer<vtkCellDataToPointData>::New(); |
---|
[3189] | 488 | #ifdef USE_VTK6 |
---|
| 489 | cellToPtData->SetInputData(ds); |
---|
| 490 | #else |
---|
[2317] | 491 | cellToPtData->SetInput(ds); |
---|
[3189] | 492 | #endif |
---|
[2317] | 493 | //cellToPtData->PassCellDataOn(); |
---|
| 494 | cellToPtData->Update(); |
---|
| 495 | ds = cellToPtData->GetOutput(); |
---|
[3525] | 496 | } else { |
---|
| 497 | USER_ERROR("No vector field was found in the data set."); |
---|
| 498 | return; |
---|
[2317] | 499 | } |
---|
| 500 | } |
---|
| 501 | |
---|
| 502 | if (_streamTracer == NULL) { |
---|
| 503 | _streamTracer = vtkSmartPointer<vtkStreamTracer>::New(); |
---|
| 504 | } |
---|
| 505 | |
---|
[3680] | 506 | if (_dataSet->isCloud()) { |
---|
| 507 | // DataSet is a point cloud |
---|
| 508 | PrincipalPlane plane; |
---|
| 509 | double offset; |
---|
| 510 | vtkDataSet *mesherOutput = NULL; |
---|
| 511 | if (_dataSet->is2D(&plane, &offset)) { |
---|
| 512 | // Generate a 2D PolyData |
---|
| 513 | _mesher = vtkSmartPointer<vtkDelaunay2D>::New(); |
---|
| 514 | if (plane == PLANE_ZY) { |
---|
| 515 | vtkSmartPointer<vtkTransform> trans = vtkSmartPointer<vtkTransform>::New(); |
---|
| 516 | trans->RotateWXYZ(90, 0, 1, 0); |
---|
| 517 | if (offset != 0.0) { |
---|
| 518 | trans->Translate(-offset, 0, 0); |
---|
| 519 | } |
---|
| 520 | vtkDelaunay2D::SafeDownCast(_mesher)->SetTransform(trans); |
---|
| 521 | } else if (plane == PLANE_XZ) { |
---|
| 522 | vtkSmartPointer<vtkTransform> trans = vtkSmartPointer<vtkTransform>::New(); |
---|
| 523 | trans->RotateWXYZ(-90, 1, 0, 0); |
---|
| 524 | if (offset != 0.0) { |
---|
| 525 | trans->Translate(0, -offset, 0); |
---|
| 526 | } |
---|
| 527 | vtkDelaunay2D::SafeDownCast(_mesher)->SetTransform(trans); |
---|
| 528 | } else if (offset != 0.0) { |
---|
| 529 | // XY with Z offset |
---|
| 530 | vtkSmartPointer<vtkTransform> trans = vtkSmartPointer<vtkTransform>::New(); |
---|
| 531 | trans->Translate(0, 0, -offset); |
---|
| 532 | vtkDelaunay2D::SafeDownCast(_mesher)->SetTransform(trans); |
---|
| 533 | } |
---|
[3189] | 534 | #ifdef USE_VTK6 |
---|
[3680] | 535 | vtkDelaunay2D::SafeDownCast(_mesher)->SetInputData(ds); |
---|
[3189] | 536 | #else |
---|
[3680] | 537 | _mesher->SetInput(ds); |
---|
[3189] | 538 | #endif |
---|
[3680] | 539 | _streamTracer->SetInputConnection(_mesher->GetOutputPort()); |
---|
| 540 | _mesher->Update(); |
---|
| 541 | mesherOutput = vtkDelaunay2D::SafeDownCast(_mesher)->GetOutput(); |
---|
| 542 | } else { |
---|
| 543 | // Generate a 3D unstructured grid |
---|
| 544 | _mesher = vtkSmartPointer<vtkDelaunay3D>::New(); |
---|
| 545 | #ifdef USE_VTK6 |
---|
| 546 | vtkDelaunay3D::SafeDownCast(_mesher)->SetInputData(ds); |
---|
| 547 | #else |
---|
| 548 | _mesher->SetInput(ds); |
---|
| 549 | #endif |
---|
| 550 | _streamTracer->SetInputConnection(_mesher->GetOutputPort()); |
---|
| 551 | _mesher->Update(); |
---|
| 552 | mesherOutput = vtkDelaunay3D::SafeDownCast(_mesher)->GetOutput(); |
---|
| 553 | } |
---|
| 554 | DataSet::getCellSizeRange(mesherOutput, cellSizeRange, &avgSize); |
---|
| 555 | _dataScale = avgSize / 8.; |
---|
| 556 | } else { |
---|
| 557 | // DataSet is NOT a cloud (has cells) |
---|
| 558 | #ifdef USE_VTK6 |
---|
| 559 | _streamTracer->SetInputData(ds); |
---|
| 560 | #else |
---|
| 561 | _streamTracer->SetInput(ds); |
---|
| 562 | #endif |
---|
| 563 | } |
---|
| 564 | |
---|
[2513] | 565 | _streamTracer->SetMaximumPropagation(xLen + yLen + zLen); |
---|
[2510] | 566 | _streamTracer->SetIntegratorTypeToRungeKutta45(); |
---|
[2317] | 567 | |
---|
[2513] | 568 | TRACE("Setting streamlines max length to %g", |
---|
| 569 | _streamTracer->GetMaximumPropagation()); |
---|
| 570 | |
---|
[2317] | 571 | if (_pdMapper == NULL) { |
---|
| 572 | _pdMapper = vtkSmartPointer<vtkPolyDataMapper>::New(); |
---|
| 573 | _pdMapper->SetResolveCoincidentTopologyToPolygonOffset(); |
---|
| 574 | _pdMapper->ScalarVisibilityOn(); |
---|
| 575 | } |
---|
| 576 | if (_seedMapper == NULL) { |
---|
| 577 | _seedMapper = vtkSmartPointer<vtkPolyDataMapper>::New(); |
---|
| 578 | _seedMapper->SetResolveCoincidentTopologyToPolygonOffset(); |
---|
[2506] | 579 | _seedMapper->ScalarVisibilityOff(); |
---|
[2317] | 580 | } |
---|
| 581 | |
---|
[2349] | 582 | // Set up seed source object |
---|
[2506] | 583 | setSeedToFilledMesh(200); |
---|
[2349] | 584 | |
---|
[2317] | 585 | switch (_lineType) { |
---|
| 586 | case LINES: { |
---|
| 587 | _streamTracer->SetComputeVorticity(false); |
---|
| 588 | _pdMapper->SetInputConnection(_streamTracer->GetOutputPort()); |
---|
| 589 | } |
---|
| 590 | break; |
---|
| 591 | case TUBES: { |
---|
| 592 | _streamTracer->SetComputeVorticity(true); |
---|
| 593 | _lineFilter = vtkSmartPointer<vtkTubeFilter>::New(); |
---|
| 594 | vtkTubeFilter *tubeFilter = vtkTubeFilter::SafeDownCast(_lineFilter); |
---|
| 595 | tubeFilter->SetNumberOfSides(5); |
---|
| 596 | _lineFilter->SetInputConnection(_streamTracer->GetOutputPort()); |
---|
| 597 | _pdMapper->SetInputConnection(_lineFilter->GetOutputPort()); |
---|
| 598 | } |
---|
| 599 | break; |
---|
| 600 | case RIBBONS: { |
---|
| 601 | _streamTracer->SetComputeVorticity(true); |
---|
| 602 | _lineFilter = vtkSmartPointer<vtkRibbonFilter>::New(); |
---|
| 603 | _lineFilter->SetInputConnection(_streamTracer->GetOutputPort()); |
---|
| 604 | _pdMapper->SetInputConnection(_lineFilter->GetOutputPort()); |
---|
| 605 | } |
---|
| 606 | break; |
---|
| 607 | default: |
---|
| 608 | ERROR("Unknown LineType: %d", _lineType); |
---|
| 609 | } |
---|
| 610 | |
---|
[3375] | 611 | #if 0 && defined(WANT_TRACE) |
---|
[2317] | 612 | _streamTracer->Update(); |
---|
| 613 | vtkPolyData *pd = _streamTracer->GetOutput(); |
---|
[3682] | 614 | DataSet::print(pd); |
---|
| 615 | TRACE("Points: %d Verts: %d Lines: %d Polys: %d Strips: %d", |
---|
| 616 | pd->GetNumberOfPoints(), |
---|
[3189] | 617 | pd->GetNumberOfVerts(), |
---|
| 618 | pd->GetNumberOfLines(), |
---|
| 619 | pd->GetNumberOfPolys(), |
---|
| 620 | pd->GetNumberOfStrips()); |
---|
[3682] | 621 | #if 0 |
---|
[3189] | 622 | vtkCellArray *arr = pd->GetLines(); |
---|
| 623 | arr->InitTraversal(); |
---|
| 624 | vtkIdType npts, *pts; |
---|
| 625 | arr->GetNextCell(npts, pts); |
---|
| 626 | for (int i = 0; i < npts; i++) { |
---|
| 627 | TRACE("Pt: %d", pts[i]); |
---|
| 628 | } |
---|
[2317] | 629 | #endif |
---|
[3682] | 630 | #endif |
---|
[2317] | 631 | |
---|
| 632 | initProp(); |
---|
| 633 | |
---|
| 634 | _seedActor->SetMapper(_seedMapper); |
---|
| 635 | |
---|
[2402] | 636 | if (_lut == NULL) { |
---|
| 637 | setColorMap(ColorMap::getDefault()); |
---|
[2317] | 638 | } |
---|
| 639 | |
---|
[2402] | 640 | setColorMode(_colorMode); |
---|
| 641 | |
---|
[2328] | 642 | _linesActor->SetMapper(_pdMapper); |
---|
[2317] | 643 | _pdMapper->Update(); |
---|
| 644 | _seedMapper->Update(); |
---|
[3427] | 645 | #ifdef WANT_TRACE |
---|
[3399] | 646 | double *b = getBounds(); |
---|
| 647 | TRACE("bounds: %g %g %g %g %g %g", b[0], b[1], b[2], b[3], b[4], b[5]); |
---|
[3427] | 648 | #endif |
---|
[2317] | 649 | } |
---|
| 650 | |
---|
[2581] | 651 | void Streamlines::setNumberOfSeedPoints(int numPoints) |
---|
| 652 | { |
---|
| 653 | switch(_seedType) { |
---|
| 654 | case DATASET_FILLED_MESH: |
---|
| 655 | setSeedToFilledMesh(numPoints); |
---|
| 656 | break; |
---|
| 657 | case FILLED_MESH: |
---|
| 658 | if (_seedMesh != NULL) { |
---|
| 659 | setSeedToFilledMesh(_seedMesh, numPoints); |
---|
| 660 | } else { |
---|
| 661 | ERROR("NULL _seedMesh"); |
---|
| 662 | } |
---|
| 663 | break; |
---|
[3682] | 664 | case DATASET_MESH_POINTS: |
---|
| 665 | setSeedToMeshPoints(numPoints); |
---|
| 666 | break; |
---|
| 667 | case MESH_POINTS: |
---|
| 668 | setSeedToMeshPoints(_seedMesh, numPoints); |
---|
| 669 | break; |
---|
[2581] | 670 | default: |
---|
| 671 | ERROR("Can't set number of points for seed type %d", _seedType); |
---|
| 672 | break; |
---|
| 673 | } |
---|
[3399] | 674 | _pdMapper->Update(); |
---|
| 675 | _seedMapper->Update(); |
---|
[2581] | 676 | } |
---|
| 677 | |
---|
[2317] | 678 | /** |
---|
[2506] | 679 | * \brief Use points of the DataSet associated with this |
---|
| 680 | * Streamlines as seeds |
---|
| 681 | */ |
---|
[3682] | 682 | void Streamlines::setSeedToMeshPoints(int maxPoints) |
---|
[2506] | 683 | { |
---|
[2581] | 684 | _seedType = DATASET_MESH_POINTS; |
---|
[3682] | 685 | setSeedToMeshPoints(_dataSet->getVtkDataSet(), maxPoints); |
---|
[2506] | 686 | } |
---|
| 687 | |
---|
| 688 | /** |
---|
| 689 | * \brief Use seed points randomly distributed within the cells |
---|
| 690 | * of the DataSet associated with this Streamlines |
---|
[2317] | 691 | * |
---|
[2349] | 692 | * Note: The current implementation doesn't give a uniform |
---|
| 693 | * distribution of points, and points outside the mesh bounds |
---|
| 694 | * may be generated |
---|
| 695 | * |
---|
[2317] | 696 | * \param[in] numPoints Number of random seed points to generate |
---|
| 697 | */ |
---|
[2506] | 698 | void Streamlines::setSeedToFilledMesh(int numPoints) |
---|
[2317] | 699 | { |
---|
[2581] | 700 | _seedType = DATASET_FILLED_MESH; |
---|
[2506] | 701 | setSeedToFilledMesh(_dataSet->getVtkDataSet(), numPoints); |
---|
| 702 | } |
---|
| 703 | |
---|
| 704 | /** |
---|
| 705 | * \brief Use points of a supplied vtkDataSet as seeds |
---|
| 706 | * |
---|
| 707 | * \param[in] seed vtkDataSet with points to use as seeds |
---|
[3693] | 708 | * \param[in] maxPoints Maximum number of points to be used as seeds |
---|
[2506] | 709 | */ |
---|
[3682] | 710 | void Streamlines::setSeedToMeshPoints(vtkDataSet *seed, int maxPoints) |
---|
[2506] | 711 | { |
---|
[2593] | 712 | if (seed != _dataSet->getVtkDataSet()) { |
---|
| 713 | _seedType = MESH_POINTS; |
---|
[3682] | 714 | _seedMesh = seed; |
---|
| 715 | } else { |
---|
| 716 | _seedType = DATASET_MESH_POINTS; |
---|
| 717 | _seedMesh = NULL; |
---|
[2593] | 718 | } |
---|
[3682] | 719 | |
---|
| 720 | if (_streamTracer == NULL) |
---|
| 721 | return; |
---|
| 722 | |
---|
| 723 | #ifndef USE_VTK6 |
---|
| 724 | vtkSmartPointer<vtkDataSet> oldSeed; |
---|
| 725 | if (_streamTracer->GetSource() != NULL) { |
---|
| 726 | oldSeed = _streamTracer->GetSource(); |
---|
| 727 | } |
---|
| 728 | #endif |
---|
| 729 | |
---|
| 730 | if (maxPoints > 0 && seed->GetNumberOfPoints() > maxPoints) { |
---|
| 731 | TRACE("Seed points: %d", maxPoints); |
---|
| 732 | vtkSmartPointer<vtkMaskPoints> mask = vtkSmartPointer<vtkMaskPoints>::New(); |
---|
| 733 | #ifdef USE_VTK6 |
---|
| 734 | mask->SetInputData(seed); |
---|
| 735 | #else |
---|
| 736 | mask->SetInput(seed); |
---|
| 737 | #endif |
---|
| 738 | mask->SetMaximumNumberOfPoints(maxPoints); |
---|
| 739 | mask->RandomModeOn(); |
---|
| 740 | mask->GenerateVerticesOff(); |
---|
| 741 | _streamTracer->SetSourceConnection(mask->GetOutputPort()); |
---|
| 742 | |
---|
| 743 | vtkSmartPointer<vtkVertexGlyphFilter> vertFilter = vtkSmartPointer<vtkVertexGlyphFilter>::New(); |
---|
| 744 | vertFilter->SetInputConnection(mask->GetOutputPort()); |
---|
| 745 | _seedMapper->SetInputConnection(vertFilter->GetOutputPort()); |
---|
| 746 | } else { |
---|
[2506] | 747 | TRACE("Seed points: %d", seed->GetNumberOfPoints()); |
---|
| 748 | |
---|
[3189] | 749 | #ifdef USE_VTK6 |
---|
| 750 | _streamTracer->SetSourceData(seed); |
---|
| 751 | #else |
---|
[2506] | 752 | _streamTracer->SetSource(seed); |
---|
[3189] | 753 | #endif |
---|
[2506] | 754 | if (vtkPolyData::SafeDownCast(seed) != NULL) { |
---|
[3189] | 755 | #ifdef USE_VTK6 |
---|
| 756 | _seedMapper->SetInputData(vtkPolyData::SafeDownCast(seed)); |
---|
| 757 | #else |
---|
[2506] | 758 | _seedMapper->SetInput(vtkPolyData::SafeDownCast(seed)); |
---|
[3189] | 759 | #endif |
---|
[2506] | 760 | } else { |
---|
| 761 | vtkSmartPointer<vtkVertexGlyphFilter> vertFilter = vtkSmartPointer<vtkVertexGlyphFilter>::New(); |
---|
[3189] | 762 | #ifdef USE_VTK6 |
---|
| 763 | vertFilter->SetInputData(seed); |
---|
| 764 | #else |
---|
[2506] | 765 | vertFilter->SetInput(seed); |
---|
[3189] | 766 | #endif |
---|
[2506] | 767 | _seedMapper->SetInputConnection(vertFilter->GetOutputPort()); |
---|
| 768 | } |
---|
| 769 | } |
---|
[3682] | 770 | |
---|
| 771 | #ifndef USE_VTK6 |
---|
| 772 | if (oldSeed != NULL) { |
---|
| 773 | oldSeed->SetPipelineInformation(NULL); |
---|
| 774 | } |
---|
| 775 | #endif |
---|
[2506] | 776 | } |
---|
| 777 | |
---|
| 778 | /** |
---|
| 779 | * \brief Use seed points randomly distributed within the cells |
---|
| 780 | * of a supplied vtkDataSet |
---|
| 781 | * |
---|
| 782 | * Note: The current implementation doesn't give a uniform |
---|
| 783 | * distribution of points, and points outside the mesh bounds |
---|
| 784 | * may be generated |
---|
| 785 | * |
---|
| 786 | * \param[in] ds vtkDataSet containing cells |
---|
| 787 | * \param[in] numPoints Number of random seed points to generate |
---|
| 788 | */ |
---|
| 789 | void Streamlines::setSeedToFilledMesh(vtkDataSet *ds, int numPoints) |
---|
| 790 | { |
---|
[2581] | 791 | if (ds != _dataSet->getVtkDataSet()) { |
---|
| 792 | _seedMesh = ds; |
---|
[2593] | 793 | _seedType = FILLED_MESH; |
---|
[3189] | 794 | #ifdef DEBUG |
---|
| 795 | DataSet::print(ds); |
---|
| 796 | #endif |
---|
[2581] | 797 | } else { |
---|
| 798 | _seedMesh = NULL; |
---|
[3680] | 799 | if (_mesher != NULL) { |
---|
| 800 | if (vtkDelaunay2D::SafeDownCast(_mesher) != NULL) { |
---|
| 801 | ds = vtkDelaunay2D::SafeDownCast(_mesher)->GetOutput(); |
---|
| 802 | } else { |
---|
| 803 | ds = vtkDelaunay3D::SafeDownCast(_mesher)->GetOutput(); |
---|
| 804 | } |
---|
| 805 | } |
---|
[2581] | 806 | } |
---|
[2506] | 807 | if (_streamTracer != NULL) { |
---|
[2317] | 808 | // Set up seed source object |
---|
| 809 | vtkSmartPointer<vtkPolyData> seed = vtkSmartPointer<vtkPolyData>::New(); |
---|
| 810 | vtkSmartPointer<vtkPoints> pts = vtkSmartPointer<vtkPoints>::New(); |
---|
| 811 | vtkSmartPointer<vtkCellArray> cells = vtkSmartPointer<vtkCellArray>::New(); |
---|
| 812 | |
---|
[2506] | 813 | if (ds->GetNumberOfCells() < 1) { |
---|
| 814 | ERROR("No cells in mesh"); |
---|
| 815 | } |
---|
| 816 | |
---|
[2317] | 817 | for (int i = 0; i < numPoints; i++) { |
---|
| 818 | double pt[3]; |
---|
[2506] | 819 | getRandomCellPt(pt, ds); |
---|
[2507] | 820 | //TRACE("Seed pt: %g %g %g", pt[0], pt[1], pt[2]); |
---|
[2317] | 821 | pts->InsertNextPoint(pt); |
---|
| 822 | cells->InsertNextCell(1); |
---|
| 823 | cells->InsertCellPoint(i); |
---|
| 824 | } |
---|
| 825 | |
---|
| 826 | seed->SetPoints(pts); |
---|
| 827 | seed->SetVerts(cells); |
---|
| 828 | |
---|
[2318] | 829 | TRACE("Seed points: %d", seed->GetNumberOfPoints()); |
---|
[2317] | 830 | vtkSmartPointer<vtkDataSet> oldSeed; |
---|
| 831 | if (_streamTracer->GetSource() != NULL) { |
---|
| 832 | oldSeed = _streamTracer->GetSource(); |
---|
| 833 | } |
---|
| 834 | |
---|
[3189] | 835 | #ifdef USE_VTK6 |
---|
| 836 | _streamTracer->SetSourceData(seed); |
---|
| 837 | _seedMapper->SetInputData(seed); |
---|
| 838 | #else |
---|
[2317] | 839 | _streamTracer->SetSource(seed); |
---|
[3189] | 840 | |
---|
[2317] | 841 | if (oldSeed != NULL) { |
---|
| 842 | oldSeed->SetPipelineInformation(NULL); |
---|
| 843 | } |
---|
| 844 | _seedMapper->SetInput(seed); |
---|
[3189] | 845 | #endif |
---|
[2317] | 846 | } |
---|
| 847 | } |
---|
| 848 | |
---|
| 849 | /** |
---|
[2318] | 850 | * \brief Use seed points along a line |
---|
[2317] | 851 | * |
---|
[2319] | 852 | * \param[in] start Starting point of rake line |
---|
| 853 | * \param[in] end End point of rake line |
---|
| 854 | * \param[in] numPoints Number of points along line to generate |
---|
[2317] | 855 | */ |
---|
| 856 | void Streamlines::setSeedToRake(double start[3], double end[3], int numPoints) |
---|
| 857 | { |
---|
| 858 | if (numPoints < 2) |
---|
| 859 | return; |
---|
[2581] | 860 | _seedType = RAKE; |
---|
| 861 | _seedMesh = NULL; |
---|
[2317] | 862 | if (_streamTracer != NULL) { |
---|
| 863 | // Set up seed source object |
---|
| 864 | vtkSmartPointer<vtkPolyData> seed = vtkSmartPointer<vtkPolyData>::New(); |
---|
| 865 | vtkSmartPointer<vtkPoints> pts = vtkSmartPointer<vtkPoints>::New(); |
---|
| 866 | vtkSmartPointer<vtkCellArray> cells = vtkSmartPointer<vtkCellArray>::New(); |
---|
| 867 | vtkSmartPointer<vtkPolyLine> polyline = vtkSmartPointer<vtkPolyLine>::New(); |
---|
| 868 | |
---|
| 869 | double dir[3]; |
---|
| 870 | for (int i = 0; i < 3; i++) { |
---|
| 871 | dir[i] = end[i] - start[i]; |
---|
| 872 | } |
---|
| 873 | |
---|
| 874 | polyline->GetPointIds()->SetNumberOfIds(numPoints); |
---|
| 875 | for (int i = 0; i < numPoints; i++) { |
---|
| 876 | double pt[3]; |
---|
| 877 | for (int ii = 0; ii < 3; ii++) { |
---|
| 878 | pt[ii] = start[ii] + dir[ii] * ((double)i / (numPoints-1)); |
---|
| 879 | } |
---|
[2507] | 880 | //TRACE("Seed pt: %g %g %g", pt[0], pt[1], pt[2]); |
---|
[2317] | 881 | pts->InsertNextPoint(pt); |
---|
| 882 | polyline->GetPointIds()->SetId(i, i); |
---|
| 883 | } |
---|
| 884 | |
---|
| 885 | cells->InsertNextCell(polyline); |
---|
| 886 | seed->SetPoints(pts); |
---|
| 887 | seed->SetLines(cells); |
---|
| 888 | |
---|
[2318] | 889 | TRACE("Seed points: %d", seed->GetNumberOfPoints()); |
---|
[2317] | 890 | vtkSmartPointer<vtkDataSet> oldSeed; |
---|
| 891 | if (_streamTracer->GetSource() != NULL) { |
---|
| 892 | oldSeed = _streamTracer->GetSource(); |
---|
| 893 | } |
---|
[3189] | 894 | #ifdef USE_VTK6 |
---|
| 895 | _streamTracer->SetSourceData(seed); |
---|
| 896 | _seedMapper->SetInputData(seed); |
---|
| 897 | #else |
---|
[2317] | 898 | _streamTracer->SetSource(seed); |
---|
| 899 | if (oldSeed != NULL) { |
---|
| 900 | oldSeed->SetPipelineInformation(NULL); |
---|
| 901 | } |
---|
| 902 | |
---|
| 903 | _seedMapper->SetInput(seed); |
---|
[3189] | 904 | #endif |
---|
[2317] | 905 | } |
---|
| 906 | } |
---|
| 907 | |
---|
| 908 | /** |
---|
[2349] | 909 | * \brief Create seed points inside a disk with an optional hole |
---|
| 910 | * |
---|
| 911 | * \param[in] center Center point of disk |
---|
| 912 | * \param[in] normal Normal vector to orient disk |
---|
| 913 | * \param[in] radius Radius of disk |
---|
| 914 | * \param[in] innerRadius Radius of hole at center of disk |
---|
| 915 | * \param[in] numPoints Number of random points to generate |
---|
| 916 | */ |
---|
| 917 | void Streamlines::setSeedToDisk(double center[3], |
---|
| 918 | double normal[3], |
---|
| 919 | double radius, |
---|
| 920 | double innerRadius, |
---|
| 921 | int numPoints) |
---|
| 922 | { |
---|
[2581] | 923 | _seedType = DISK; |
---|
| 924 | _seedMesh = NULL; |
---|
[2349] | 925 | if (_streamTracer != NULL) { |
---|
| 926 | // Set up seed source object |
---|
| 927 | vtkSmartPointer<vtkPolyData> seed = vtkSmartPointer<vtkPolyData>::New(); |
---|
| 928 | vtkSmartPointer<vtkPoints> pts = vtkSmartPointer<vtkPoints>::New(); |
---|
| 929 | vtkSmartPointer<vtkCellArray> cells = vtkSmartPointer<vtkCellArray>::New(); |
---|
| 930 | |
---|
| 931 | // The following code is based on vtkRegularPolygonSource::RequestData |
---|
| 932 | |
---|
| 933 | double px[3]; |
---|
| 934 | double py[3]; |
---|
| 935 | double axis[3] = {1., 0., 0.}; |
---|
| 936 | |
---|
| 937 | if (vtkMath::Normalize(normal) == 0.0) { |
---|
| 938 | normal[0] = 0.0; |
---|
| 939 | normal[1] = 0.0; |
---|
| 940 | normal[2] = 1.0; |
---|
| 941 | } |
---|
| 942 | |
---|
| 943 | // Find axis in plane (orthogonal to normal) |
---|
| 944 | bool done = false; |
---|
| 945 | vtkMath::Cross(normal, axis, px); |
---|
| 946 | if (vtkMath::Normalize(px) > 1.0e-3) { |
---|
| 947 | done = true; |
---|
| 948 | } |
---|
| 949 | if (!done) { |
---|
| 950 | axis[0] = 0.0; |
---|
| 951 | axis[1] = 1.0; |
---|
| 952 | axis[2] = 0.0; |
---|
| 953 | vtkMath::Cross(normal, axis, px); |
---|
| 954 | if (vtkMath::Normalize(px) > 1.0e-3) { |
---|
| 955 | done = true; |
---|
| 956 | } |
---|
| 957 | } |
---|
| 958 | if (!done) { |
---|
| 959 | axis[0] = 0.0; |
---|
| 960 | axis[1] = 0.0; |
---|
| 961 | axis[2] = 1.0; |
---|
| 962 | vtkMath::Cross(normal, axis, px); |
---|
| 963 | vtkMath::Normalize(px); |
---|
| 964 | } |
---|
| 965 | // Create third orthogonal basis vector |
---|
| 966 | vtkMath::Cross(px, normal, py); |
---|
| 967 | |
---|
| 968 | double minSquared = (innerRadius*innerRadius)/(radius*radius); |
---|
| 969 | for (int j = 0; j < numPoints; j++) { |
---|
| 970 | // Get random sweep angle and radius |
---|
[3189] | 971 | #ifdef USE_VTK6 |
---|
| 972 | double angle = getRandomNum(0, 2.0 * vtkMath::Pi()); |
---|
| 973 | #else |
---|
[2349] | 974 | double angle = getRandomNum(0, 2.0 * vtkMath::DoublePi()); |
---|
[3189] | 975 | #endif |
---|
[2349] | 976 | // Need sqrt to get uniform distribution |
---|
| 977 | double r = sqrt(getRandomNum(minSquared, 1)) * radius; |
---|
| 978 | double pt[3]; |
---|
| 979 | for (int i = 0; i < 3; i++) { |
---|
| 980 | pt[i] = center[i] + r * (px[i] * cos(angle) + py[i] * sin(angle)); |
---|
| 981 | } |
---|
[2507] | 982 | //TRACE("Seed pt: %g %g %g", pt[0], pt[1], pt[2]); |
---|
[2349] | 983 | pts->InsertNextPoint(pt); |
---|
| 984 | cells->InsertNextCell(1); |
---|
| 985 | cells->InsertCellPoint(j); |
---|
| 986 | } |
---|
| 987 | |
---|
| 988 | seed->SetPoints(pts); |
---|
| 989 | seed->SetVerts(cells); |
---|
| 990 | |
---|
| 991 | TRACE("Seed points: %d", seed->GetNumberOfPoints()); |
---|
| 992 | vtkSmartPointer<vtkDataSet> oldSeed; |
---|
| 993 | if (_streamTracer->GetSource() != NULL) { |
---|
| 994 | oldSeed = _streamTracer->GetSource(); |
---|
| 995 | } |
---|
[3189] | 996 | #ifdef USE_VTK6 |
---|
| 997 | _streamTracer->SetSourceData(seed); |
---|
| 998 | _seedMapper->SetInputData(seed); |
---|
| 999 | #else |
---|
[2349] | 1000 | _streamTracer->SetSource(seed); |
---|
| 1001 | if (oldSeed != NULL) { |
---|
| 1002 | oldSeed->SetPipelineInformation(NULL); |
---|
| 1003 | } |
---|
| 1004 | |
---|
| 1005 | _seedMapper->SetInput(seed); |
---|
[3189] | 1006 | #endif |
---|
[2349] | 1007 | } |
---|
| 1008 | } |
---|
| 1009 | |
---|
| 1010 | /** |
---|
[2318] | 1011 | * \brief Use seed points from an n-sided polygon |
---|
| 1012 | * |
---|
[2319] | 1013 | * \param[in] center Center point of polygon |
---|
| 1014 | * \param[in] normal Normal vector to orient polygon |
---|
[2349] | 1015 | * \param[in] angle Angle in degrees to rotate about normal |
---|
[2319] | 1016 | * \param[in] radius Radius of circumscribing circle |
---|
| 1017 | * \param[in] numSides Number of polygon sides (and points) to generate |
---|
[2318] | 1018 | */ |
---|
| 1019 | void Streamlines::setSeedToPolygon(double center[3], |
---|
| 1020 | double normal[3], |
---|
[2349] | 1021 | double angle, |
---|
[2318] | 1022 | double radius, |
---|
| 1023 | int numSides) |
---|
| 1024 | { |
---|
[2581] | 1025 | _seedType = POLYGON; |
---|
| 1026 | _seedMesh = NULL; |
---|
[2318] | 1027 | if (_streamTracer != NULL) { |
---|
| 1028 | // Set up seed source object |
---|
| 1029 | vtkSmartPointer<vtkRegularPolygonSource> seed = vtkSmartPointer<vtkRegularPolygonSource>::New(); |
---|
| 1030 | |
---|
| 1031 | seed->SetCenter(center); |
---|
| 1032 | seed->SetNormal(normal); |
---|
| 1033 | seed->SetRadius(radius); |
---|
| 1034 | seed->SetNumberOfSides(numSides); |
---|
| 1035 | seed->GeneratePolygonOn(); |
---|
| 1036 | |
---|
[2349] | 1037 | if (angle != 0.0) { |
---|
| 1038 | vtkSmartPointer<vtkTransform> trans = vtkSmartPointer<vtkTransform>::New(); |
---|
| 1039 | trans->RotateWXYZ(angle, normal); |
---|
| 1040 | vtkSmartPointer<vtkTransformPolyDataFilter> transFilt = |
---|
| 1041 | vtkSmartPointer<vtkTransformPolyDataFilter>::New(); |
---|
| 1042 | transFilt->SetInputConnection(seed->GetOutputPort()); |
---|
| 1043 | transFilt->SetTransform(trans); |
---|
| 1044 | } |
---|
| 1045 | |
---|
[2318] | 1046 | TRACE("Seed points: %d", numSides); |
---|
| 1047 | vtkSmartPointer<vtkDataSet> oldSeed; |
---|
| 1048 | if (_streamTracer->GetSource() != NULL) { |
---|
| 1049 | oldSeed = _streamTracer->GetSource(); |
---|
| 1050 | } |
---|
| 1051 | |
---|
[2349] | 1052 | if (angle != 0.0) { |
---|
| 1053 | vtkSmartPointer<vtkTransform> trans = vtkSmartPointer<vtkTransform>::New(); |
---|
| 1054 | trans->Translate(+center[0], +center[1], +center[2]); |
---|
| 1055 | trans->RotateWXYZ(angle, normal); |
---|
| 1056 | trans->Translate(-center[0], -center[1], -center[2]); |
---|
| 1057 | vtkSmartPointer<vtkTransformPolyDataFilter> transFilt = |
---|
| 1058 | vtkSmartPointer<vtkTransformPolyDataFilter>::New(); |
---|
| 1059 | transFilt->SetInputConnection(seed->GetOutputPort()); |
---|
| 1060 | transFilt->SetTransform(trans); |
---|
| 1061 | _streamTracer->SetSourceConnection(transFilt->GetOutputPort()); |
---|
| 1062 | _seedMapper->SetInputConnection(transFilt->GetOutputPort()); |
---|
| 1063 | } else { |
---|
| 1064 | _streamTracer->SetSourceConnection(seed->GetOutputPort()); |
---|
| 1065 | _seedMapper->SetInputConnection(seed->GetOutputPort()); |
---|
| 1066 | } |
---|
| 1067 | |
---|
[3189] | 1068 | #ifndef USE_VTK6 |
---|
[2318] | 1069 | if (oldSeed != NULL) { |
---|
| 1070 | oldSeed->SetPipelineInformation(NULL); |
---|
| 1071 | } |
---|
[3189] | 1072 | #endif |
---|
[2349] | 1073 | } |
---|
| 1074 | } |
---|
[2318] | 1075 | |
---|
[2349] | 1076 | /** |
---|
| 1077 | * \brief Use seed points from an n-sided polygon |
---|
| 1078 | * |
---|
| 1079 | * \param[in] center Center point of polygon |
---|
| 1080 | * \param[in] normal Normal vector to orient polygon |
---|
| 1081 | * \param[in] angle Angle in degrees to rotate about normal |
---|
| 1082 | * \param[in] radius Radius of circumscribing circle |
---|
| 1083 | * \param[in] numSides Number of polygon sides (and points) to generate |
---|
| 1084 | * \param[in] numPoints Number of random points to generate |
---|
| 1085 | */ |
---|
| 1086 | void Streamlines::setSeedToFilledPolygon(double center[3], |
---|
| 1087 | double normal[3], |
---|
| 1088 | double angle, |
---|
| 1089 | double radius, |
---|
| 1090 | int numSides, |
---|
| 1091 | int numPoints) |
---|
| 1092 | { |
---|
[2581] | 1093 | _seedType = FILLED_POLYGON; |
---|
| 1094 | _seedMesh = NULL; |
---|
[2349] | 1095 | if (_streamTracer != NULL) { |
---|
| 1096 | // Set up seed source object |
---|
| 1097 | vtkSmartPointer<vtkPolyData> seed = vtkSmartPointer<vtkPolyData>::New(); |
---|
| 1098 | vtkSmartPointer<vtkPoints> pts = vtkSmartPointer<vtkPoints>::New(); |
---|
| 1099 | vtkSmartPointer<vtkCellArray> cells = vtkSmartPointer<vtkCellArray>::New(); |
---|
| 1100 | |
---|
| 1101 | // The following code is based on vtkRegularPolygonSource::RequestData |
---|
| 1102 | |
---|
| 1103 | double px[3]; |
---|
| 1104 | double py[3]; |
---|
| 1105 | double axis[3] = {1., 0., 0.}; |
---|
| 1106 | |
---|
| 1107 | if (vtkMath::Normalize(normal) == 0.0) { |
---|
| 1108 | normal[0] = 0.0; |
---|
| 1109 | normal[1] = 0.0; |
---|
| 1110 | normal[2] = 1.0; |
---|
| 1111 | } |
---|
| 1112 | |
---|
| 1113 | // Find axis in plane (orthogonal to normal) |
---|
| 1114 | bool done = false; |
---|
| 1115 | vtkMath::Cross(normal, axis, px); |
---|
| 1116 | if (vtkMath::Normalize(px) > 1.0e-3) { |
---|
| 1117 | done = true; |
---|
| 1118 | } |
---|
| 1119 | if (!done) { |
---|
| 1120 | axis[0] = 0.0; |
---|
| 1121 | axis[1] = 1.0; |
---|
| 1122 | axis[2] = 0.0; |
---|
| 1123 | vtkMath::Cross(normal, axis, px); |
---|
| 1124 | if (vtkMath::Normalize(px) > 1.0e-3) { |
---|
| 1125 | done = true; |
---|
| 1126 | } |
---|
| 1127 | } |
---|
| 1128 | if (!done) { |
---|
| 1129 | axis[0] = 0.0; |
---|
| 1130 | axis[1] = 0.0; |
---|
| 1131 | axis[2] = 1.0; |
---|
| 1132 | vtkMath::Cross(normal, axis, px); |
---|
| 1133 | vtkMath::Normalize(px); |
---|
| 1134 | } |
---|
| 1135 | // Create third orthogonal basis vector |
---|
| 1136 | vtkMath::Cross(px, normal, py); |
---|
| 1137 | |
---|
| 1138 | double verts[numSides][3]; |
---|
[3189] | 1139 | #ifdef USE_VTK6 |
---|
| 1140 | double sliceTheta = 2.0 * vtkMath::Pi() / (double)numSides; |
---|
| 1141 | #else |
---|
[2349] | 1142 | double sliceTheta = 2.0 * vtkMath::DoublePi() / (double)numSides; |
---|
[3189] | 1143 | #endif |
---|
[2349] | 1144 | angle = vtkMath::RadiansFromDegrees(angle); |
---|
| 1145 | for (int j = 0; j < numSides; j++) { |
---|
| 1146 | for (int i = 0; i < 3; i++) { |
---|
| 1147 | double theta = sliceTheta * (double)j - angle; |
---|
| 1148 | verts[j][i] = center[i] + radius * (px[i] * cos(theta) + |
---|
| 1149 | py[i] * sin(theta)); |
---|
| 1150 | } |
---|
[2507] | 1151 | //TRACE("Vert %d: %g %g %g", j, verts[j][0], verts[j][1], verts[j][2]); |
---|
[2349] | 1152 | } |
---|
| 1153 | |
---|
| 1154 | // Note: this gives a uniform distribution because the polygon is regular and |
---|
| 1155 | // the triangular sections have equal area |
---|
| 1156 | if (numSides == 3) { |
---|
| 1157 | for (int j = 0; j < numPoints; j++) { |
---|
| 1158 | double pt[3]; |
---|
| 1159 | getRandomPointInTriangle(pt, verts[0], verts[1], verts[2]); |
---|
[2507] | 1160 | //TRACE("Seed pt: %g %g %g", pt[0], pt[1], pt[2]); |
---|
[2349] | 1161 | pts->InsertNextPoint(pt); |
---|
| 1162 | cells->InsertNextCell(1); |
---|
| 1163 | cells->InsertCellPoint(j); |
---|
| 1164 | } |
---|
| 1165 | } else { |
---|
| 1166 | for (int j = 0; j < numPoints; j++) { |
---|
| 1167 | // Get random triangle section |
---|
| 1168 | int tri = rand() % numSides; |
---|
| 1169 | double pt[3]; |
---|
| 1170 | getRandomPointInTriangle(pt, center, verts[tri], verts[(tri+1) % numSides]); |
---|
[2507] | 1171 | //TRACE("Seed pt: %g %g %g", pt[0], pt[1], pt[2]); |
---|
[2349] | 1172 | pts->InsertNextPoint(pt); |
---|
| 1173 | cells->InsertNextCell(1); |
---|
| 1174 | cells->InsertCellPoint(j); |
---|
| 1175 | } |
---|
| 1176 | } |
---|
| 1177 | |
---|
| 1178 | seed->SetPoints(pts); |
---|
| 1179 | seed->SetVerts(cells); |
---|
| 1180 | |
---|
| 1181 | TRACE("Seed points: %d", seed->GetNumberOfPoints()); |
---|
| 1182 | vtkSmartPointer<vtkDataSet> oldSeed; |
---|
| 1183 | if (_streamTracer->GetSource() != NULL) { |
---|
| 1184 | oldSeed = _streamTracer->GetSource(); |
---|
| 1185 | } |
---|
| 1186 | |
---|
[3189] | 1187 | #ifdef USE_VTK6 |
---|
| 1188 | _streamTracer->SetSourceData(seed); |
---|
| 1189 | _seedMapper->SetInputData(seed); |
---|
| 1190 | #else |
---|
[2349] | 1191 | _streamTracer->SetSource(seed); |
---|
| 1192 | if (oldSeed != NULL) { |
---|
| 1193 | oldSeed->SetPipelineInformation(NULL); |
---|
| 1194 | } |
---|
| 1195 | |
---|
| 1196 | _seedMapper->SetInput(seed); |
---|
[3189] | 1197 | #endif |
---|
[2318] | 1198 | } |
---|
| 1199 | } |
---|
| 1200 | |
---|
| 1201 | /** |
---|
[2510] | 1202 | * \brief Set the integration method used |
---|
[2317] | 1203 | */ |
---|
[2510] | 1204 | void Streamlines::setIntegrator(IntegratorType integrator) |
---|
| 1205 | { |
---|
| 1206 | if (_streamTracer != NULL) { |
---|
| 1207 | switch (integrator) { |
---|
| 1208 | case RUNGE_KUTTA2: |
---|
| 1209 | _streamTracer->SetIntegratorTypeToRungeKutta2(); |
---|
| 1210 | break; |
---|
| 1211 | case RUNGE_KUTTA4: |
---|
| 1212 | _streamTracer->SetIntegratorTypeToRungeKutta4(); |
---|
| 1213 | break; |
---|
| 1214 | case RUNGE_KUTTA45: |
---|
| 1215 | _streamTracer->SetIntegratorTypeToRungeKutta45(); |
---|
| 1216 | break; |
---|
| 1217 | default: |
---|
| 1218 | ; |
---|
| 1219 | } |
---|
| 1220 | } |
---|
| 1221 | } |
---|
| 1222 | |
---|
| 1223 | /** |
---|
| 1224 | * \brief Set the direction of integration |
---|
| 1225 | */ |
---|
| 1226 | void Streamlines::setIntegrationDirection(IntegrationDirection dir) |
---|
| 1227 | { |
---|
| 1228 | if (_streamTracer != NULL) { |
---|
| 1229 | switch (dir) { |
---|
| 1230 | case FORWARD: |
---|
| 1231 | _streamTracer->SetIntegrationDirectionToForward(); |
---|
| 1232 | break; |
---|
| 1233 | case BACKWARD: |
---|
| 1234 | _streamTracer->SetIntegrationDirectionToBackward(); |
---|
| 1235 | break; |
---|
| 1236 | case BOTH: |
---|
| 1237 | _streamTracer->SetIntegrationDirectionToBoth(); |
---|
| 1238 | break; |
---|
| 1239 | default: |
---|
| 1240 | ; |
---|
| 1241 | } |
---|
| 1242 | } |
---|
| 1243 | } |
---|
| 1244 | |
---|
| 1245 | /** |
---|
| 1246 | * \brief Set the step size units. Length units are world |
---|
| 1247 | * coordinates, and cell units means steps are from cell to |
---|
[2513] | 1248 | * cell. Default is cell units. |
---|
| 1249 | * |
---|
| 1250 | * Note: calling this function will not convert existing |
---|
| 1251 | * initial, minimum or maximum step value settings to the |
---|
| 1252 | * new units, so this function should be called before |
---|
| 1253 | * setting step values. |
---|
[2510] | 1254 | */ |
---|
| 1255 | void Streamlines::setIntegrationStepUnit(StepUnit unit) |
---|
| 1256 | { |
---|
| 1257 | if (_streamTracer != NULL) { |
---|
| 1258 | switch (unit) { |
---|
| 1259 | case LENGTH_UNIT: |
---|
| 1260 | _streamTracer->SetIntegrationStepUnit(vtkStreamTracer::LENGTH_UNIT); |
---|
| 1261 | break; |
---|
| 1262 | case CELL_LENGTH_UNIT: |
---|
| 1263 | _streamTracer->SetIntegrationStepUnit(vtkStreamTracer::CELL_LENGTH_UNIT); |
---|
| 1264 | break; |
---|
| 1265 | default: |
---|
| 1266 | ; |
---|
| 1267 | } |
---|
| 1268 | } |
---|
| 1269 | } |
---|
| 1270 | |
---|
| 1271 | /** |
---|
| 1272 | * \brief Set initial step size for adaptive step integrator in |
---|
| 1273 | * step units (see setIntegrationStepUnit). For non-adaptive |
---|
| 1274 | * integrators, this is the fixed step size. |
---|
| 1275 | */ |
---|
| 1276 | void Streamlines::setInitialIntegrationStep(double step) |
---|
| 1277 | { |
---|
| 1278 | if (_streamTracer != NULL) { |
---|
| 1279 | _streamTracer->SetInitialIntegrationStep(step); |
---|
| 1280 | } |
---|
| 1281 | } |
---|
| 1282 | |
---|
| 1283 | /** |
---|
| 1284 | * \brief Set minimum step for adaptive step integrator in |
---|
| 1285 | * step units (see setIntegrationStepUnit) |
---|
| 1286 | */ |
---|
| 1287 | void Streamlines::setMinimumIntegrationStep(double step) |
---|
| 1288 | { |
---|
| 1289 | if (_streamTracer != NULL) { |
---|
| 1290 | _streamTracer->SetMinimumIntegrationStep(step); |
---|
| 1291 | } |
---|
| 1292 | } |
---|
| 1293 | |
---|
| 1294 | /** |
---|
| 1295 | * \brief Set maximum step for adaptive step integrator in |
---|
| 1296 | * step units (see setIntegrationStepUnit) |
---|
| 1297 | */ |
---|
| 1298 | void Streamlines::setMaximumIntegrationStep(double step) |
---|
| 1299 | { |
---|
| 1300 | if (_streamTracer != NULL) { |
---|
| 1301 | _streamTracer->SetMaximumIntegrationStep(step); |
---|
| 1302 | } |
---|
| 1303 | } |
---|
| 1304 | |
---|
| 1305 | /** |
---|
| 1306 | * \brief Set maximum error tolerance |
---|
| 1307 | */ |
---|
| 1308 | void Streamlines::setMaximumError(double error) |
---|
| 1309 | { |
---|
| 1310 | if (_streamTracer != NULL) { |
---|
| 1311 | _streamTracer->SetMaximumError(error); |
---|
| 1312 | } |
---|
| 1313 | } |
---|
| 1314 | |
---|
| 1315 | /** |
---|
[2513] | 1316 | * \brief Set maximum length of stream lines in world |
---|
| 1317 | * coordinates |
---|
[2510] | 1318 | */ |
---|
[2317] | 1319 | void Streamlines::setMaxPropagation(double length) |
---|
| 1320 | { |
---|
| 1321 | if (_streamTracer != NULL) { |
---|
| 1322 | _streamTracer->SetMaximumPropagation(length); |
---|
| 1323 | } |
---|
| 1324 | } |
---|
| 1325 | |
---|
| 1326 | /** |
---|
[2510] | 1327 | * \brief Set maximum number of integration steps |
---|
| 1328 | */ |
---|
| 1329 | void Streamlines::setMaxNumberOfSteps(int steps) |
---|
| 1330 | { |
---|
| 1331 | if (_streamTracer != NULL) { |
---|
| 1332 | _streamTracer->SetMaximumNumberOfSteps(steps); |
---|
| 1333 | } |
---|
| 1334 | } |
---|
| 1335 | |
---|
| 1336 | /** |
---|
| 1337 | * \brief Set the minimum speed before integration stops |
---|
| 1338 | */ |
---|
| 1339 | void Streamlines::setTerminalSpeed(double speed) |
---|
| 1340 | { |
---|
| 1341 | if (_streamTracer != NULL) { |
---|
| 1342 | _streamTracer->SetTerminalSpeed(speed); |
---|
| 1343 | } |
---|
| 1344 | } |
---|
| 1345 | |
---|
| 1346 | /** |
---|
[2317] | 1347 | * \brief Set streamline type to polylines |
---|
| 1348 | */ |
---|
| 1349 | void Streamlines::setLineTypeToLines() |
---|
| 1350 | { |
---|
| 1351 | _lineType = LINES; |
---|
| 1352 | if (_streamTracer != NULL && |
---|
| 1353 | _pdMapper != NULL) { |
---|
| 1354 | _streamTracer->SetComputeVorticity(false); |
---|
| 1355 | _pdMapper->SetInputConnection(_streamTracer->GetOutputPort()); |
---|
| 1356 | _lineFilter = NULL; |
---|
[2393] | 1357 | setCulling(_linesActor->GetProperty(), false); |
---|
[2328] | 1358 | _linesActor->GetProperty()->SetRepresentationToWireframe(); |
---|
| 1359 | _linesActor->GetProperty()->LightingOff(); |
---|
[2317] | 1360 | } |
---|
| 1361 | } |
---|
| 1362 | |
---|
| 1363 | /** |
---|
| 1364 | * \brief Set streamline type to 3D tubes |
---|
| 1365 | * |
---|
| 1366 | * \param[in] numSides Number of sides (>=3) for tubes |
---|
| 1367 | * \param[in] radius World coordinate minimum tube radius |
---|
| 1368 | */ |
---|
| 1369 | void Streamlines::setLineTypeToTubes(int numSides, double radius) |
---|
| 1370 | { |
---|
| 1371 | _lineType = TUBES; |
---|
| 1372 | if (_streamTracer != NULL) { |
---|
| 1373 | _streamTracer->SetComputeVorticity(true); |
---|
| 1374 | if (vtkTubeFilter::SafeDownCast(_lineFilter) == NULL) { |
---|
| 1375 | _lineFilter = vtkSmartPointer<vtkTubeFilter>::New(); |
---|
| 1376 | _lineFilter->SetInputConnection(_streamTracer->GetOutputPort()); |
---|
| 1377 | } |
---|
| 1378 | vtkTubeFilter *tubeFilter = vtkTubeFilter::SafeDownCast(_lineFilter); |
---|
| 1379 | if (numSides < 3) |
---|
| 1380 | numSides = 3; |
---|
| 1381 | tubeFilter->SetNumberOfSides(numSides); |
---|
[2454] | 1382 | tubeFilter->SetRadius(_dataScale * radius); |
---|
[2317] | 1383 | _pdMapper->SetInputConnection(_lineFilter->GetOutputPort()); |
---|
[2393] | 1384 | if (_faceCulling && _opacity == 1.0) |
---|
| 1385 | setCulling(_linesActor->GetProperty(), true); |
---|
[2328] | 1386 | _linesActor->GetProperty()->SetRepresentationToSurface(); |
---|
| 1387 | _linesActor->GetProperty()->LightingOn(); |
---|
[2317] | 1388 | } |
---|
| 1389 | } |
---|
| 1390 | |
---|
| 1391 | /** |
---|
| 1392 | * \brief Set streamline type to 3D ribbons |
---|
| 1393 | * |
---|
| 1394 | * \param[in] width Minimum half-width of ribbons |
---|
| 1395 | * \param[in] angle Default ribbon angle in degrees from normal |
---|
| 1396 | */ |
---|
| 1397 | void Streamlines::setLineTypeToRibbons(double width, double angle) |
---|
| 1398 | { |
---|
| 1399 | _lineType = RIBBONS; |
---|
| 1400 | if (_streamTracer != NULL) { |
---|
| 1401 | _streamTracer->SetComputeVorticity(true); |
---|
| 1402 | if (vtkRibbonFilter::SafeDownCast(_lineFilter) == NULL) { |
---|
| 1403 | _lineFilter = vtkSmartPointer<vtkRibbonFilter>::New(); |
---|
| 1404 | _lineFilter->SetInputConnection(_streamTracer->GetOutputPort()); |
---|
| 1405 | } |
---|
| 1406 | vtkRibbonFilter *ribbonFilter = vtkRibbonFilter::SafeDownCast(_lineFilter); |
---|
[2454] | 1407 | ribbonFilter->SetWidth(_dataScale * width); |
---|
[2317] | 1408 | ribbonFilter->SetAngle(angle); |
---|
| 1409 | ribbonFilter->UseDefaultNormalOn(); |
---|
| 1410 | _pdMapper->SetInputConnection(_lineFilter->GetOutputPort()); |
---|
[2393] | 1411 | setCulling(_linesActor->GetProperty(), false); |
---|
[2328] | 1412 | _linesActor->GetProperty()->SetRepresentationToSurface(); |
---|
| 1413 | _linesActor->GetProperty()->LightingOn(); |
---|
[2317] | 1414 | } |
---|
| 1415 | } |
---|
| 1416 | |
---|
[2612] | 1417 | void Streamlines::updateRanges(Renderer *renderer) |
---|
[2402] | 1418 | { |
---|
[2641] | 1419 | if (_dataSet == NULL) { |
---|
| 1420 | ERROR("called before setDataSet"); |
---|
| 1421 | return; |
---|
| 1422 | } |
---|
| 1423 | |
---|
[2612] | 1424 | if (renderer->getUseCumulativeRange()) { |
---|
| 1425 | renderer->getCumulativeDataRange(_dataRange, |
---|
| 1426 | _dataSet->getActiveScalarsName(), |
---|
| 1427 | 1); |
---|
| 1428 | renderer->getCumulativeDataRange(_vectorMagnitudeRange, |
---|
| 1429 | _dataSet->getActiveVectorsName(), |
---|
| 1430 | 3); |
---|
[2402] | 1431 | for (int i = 0; i < 3; i++) { |
---|
[2612] | 1432 | renderer->getCumulativeDataRange(_vectorComponentRange[i], |
---|
| 1433 | _dataSet->getActiveVectorsName(), |
---|
| 1434 | 3, i); |
---|
[2402] | 1435 | } |
---|
[2641] | 1436 | } else { |
---|
[2402] | 1437 | _dataSet->getScalarRange(_dataRange); |
---|
| 1438 | _dataSet->getVectorRange(_vectorMagnitudeRange); |
---|
| 1439 | for (int i = 0; i < 3; i++) { |
---|
| 1440 | _dataSet->getVectorRange(_vectorComponentRange[i], i); |
---|
| 1441 | } |
---|
| 1442 | } |
---|
| 1443 | |
---|
| 1444 | // Need to update color map ranges and/or active vector field |
---|
[2612] | 1445 | double *rangePtr = _colorFieldRange; |
---|
| 1446 | if (_colorFieldRange[0] > _colorFieldRange[1]) { |
---|
| 1447 | rangePtr = NULL; |
---|
| 1448 | } |
---|
| 1449 | setColorMode(_colorMode, _colorFieldType, _colorFieldName.c_str(), rangePtr); |
---|
[2402] | 1450 | } |
---|
| 1451 | |
---|
[2393] | 1452 | void Streamlines::setColorMode(ColorMode mode) |
---|
| 1453 | { |
---|
| 1454 | _colorMode = mode; |
---|
[2612] | 1455 | if (_dataSet == NULL) |
---|
| 1456 | return; |
---|
| 1457 | |
---|
| 1458 | switch (mode) { |
---|
| 1459 | case COLOR_BY_SCALAR: |
---|
| 1460 | setColorMode(mode, |
---|
| 1461 | _dataSet->getActiveScalarsType(), |
---|
| 1462 | _dataSet->getActiveScalarsName(), |
---|
| 1463 | _dataRange); |
---|
| 1464 | break; |
---|
| 1465 | case COLOR_BY_VECTOR_MAGNITUDE: |
---|
| 1466 | setColorMode(mode, |
---|
| 1467 | _dataSet->getActiveVectorsType(), |
---|
| 1468 | _dataSet->getActiveVectorsName(), |
---|
| 1469 | _vectorMagnitudeRange); |
---|
| 1470 | break; |
---|
| 1471 | case COLOR_BY_VECTOR_X: |
---|
| 1472 | setColorMode(mode, |
---|
| 1473 | _dataSet->getActiveVectorsType(), |
---|
| 1474 | _dataSet->getActiveVectorsName(), |
---|
| 1475 | _vectorComponentRange[0]); |
---|
| 1476 | break; |
---|
| 1477 | case COLOR_BY_VECTOR_Y: |
---|
| 1478 | setColorMode(mode, |
---|
| 1479 | _dataSet->getActiveVectorsType(), |
---|
| 1480 | _dataSet->getActiveVectorsName(), |
---|
| 1481 | _vectorComponentRange[1]); |
---|
| 1482 | break; |
---|
| 1483 | case COLOR_BY_VECTOR_Z: |
---|
| 1484 | setColorMode(mode, |
---|
| 1485 | _dataSet->getActiveVectorsType(), |
---|
| 1486 | _dataSet->getActiveVectorsName(), |
---|
| 1487 | _vectorComponentRange[2]); |
---|
| 1488 | break; |
---|
| 1489 | case COLOR_CONSTANT: |
---|
| 1490 | default: |
---|
| 1491 | setColorMode(mode, DataSet::POINT_DATA, NULL, NULL); |
---|
| 1492 | break; |
---|
| 1493 | } |
---|
| 1494 | } |
---|
| 1495 | |
---|
| 1496 | void Streamlines::setColorMode(ColorMode mode, |
---|
| 1497 | const char *name, double range[2]) |
---|
| 1498 | { |
---|
| 1499 | if (_dataSet == NULL) |
---|
| 1500 | return; |
---|
[2641] | 1501 | DataSet::DataAttributeType type = DataSet::POINT_DATA; |
---|
| 1502 | int numComponents = 1; |
---|
| 1503 | if (name != NULL && strlen(name) > 0 && |
---|
| 1504 | !_dataSet->getFieldInfo(name, &type, &numComponents)) { |
---|
[2612] | 1505 | ERROR("Field not found: %s", name); |
---|
| 1506 | return; |
---|
| 1507 | } |
---|
| 1508 | setColorMode(mode, type, name, range); |
---|
| 1509 | } |
---|
| 1510 | |
---|
| 1511 | void Streamlines::setColorMode(ColorMode mode, DataSet::DataAttributeType type, |
---|
| 1512 | const char *name, double range[2]) |
---|
| 1513 | { |
---|
| 1514 | _colorMode = mode; |
---|
| 1515 | _colorFieldType = type; |
---|
[2625] | 1516 | if (name == NULL) |
---|
| 1517 | _colorFieldName.clear(); |
---|
| 1518 | else |
---|
| 1519 | _colorFieldName = name; |
---|
[2612] | 1520 | if (range == NULL) { |
---|
| 1521 | _colorFieldRange[0] = DBL_MAX; |
---|
| 1522 | _colorFieldRange[1] = -DBL_MAX; |
---|
| 1523 | } else { |
---|
| 1524 | memcpy(_colorFieldRange, range, sizeof(double)*2); |
---|
| 1525 | } |
---|
| 1526 | |
---|
[2393] | 1527 | if (_dataSet == NULL || _pdMapper == NULL) |
---|
| 1528 | return; |
---|
| 1529 | |
---|
[2612] | 1530 | switch (type) { |
---|
| 1531 | case DataSet::POINT_DATA: |
---|
| 1532 | _pdMapper->SetScalarModeToUsePointFieldData(); |
---|
| 1533 | break; |
---|
| 1534 | case DataSet::CELL_DATA: |
---|
| 1535 | _pdMapper->SetScalarModeToUseCellFieldData(); |
---|
| 1536 | break; |
---|
| 1537 | default: |
---|
| 1538 | ERROR("Unsupported DataAttributeType: %d", type); |
---|
| 1539 | return; |
---|
| 1540 | } |
---|
| 1541 | |
---|
[2641] | 1542 | if (name != NULL && strlen(name) > 0) { |
---|
[2612] | 1543 | _pdMapper->SelectColorArray(name); |
---|
| 1544 | } else { |
---|
[2393] | 1545 | _pdMapper->SetScalarModeToDefault(); |
---|
[2612] | 1546 | } |
---|
| 1547 | |
---|
| 1548 | if (_lut != NULL) { |
---|
| 1549 | if (range != NULL) { |
---|
| 1550 | _lut->SetRange(range); |
---|
[2641] | 1551 | } else if (name != NULL && strlen(name) > 0) { |
---|
[2612] | 1552 | double r[2]; |
---|
| 1553 | int comp = -1; |
---|
| 1554 | if (mode == COLOR_BY_VECTOR_X) |
---|
| 1555 | comp = 0; |
---|
| 1556 | else if (mode == COLOR_BY_VECTOR_Y) |
---|
| 1557 | comp = 1; |
---|
| 1558 | else if (mode == COLOR_BY_VECTOR_Z) |
---|
| 1559 | comp = 2; |
---|
| 1560 | |
---|
| 1561 | if (_renderer->getUseCumulativeRange()) { |
---|
| 1562 | int numComponents; |
---|
| 1563 | if (!_dataSet->getFieldInfo(name, type, &numComponents)) { |
---|
| 1564 | ERROR("Field not found: %s, type: %d", name, type); |
---|
| 1565 | return; |
---|
| 1566 | } else if (numComponents < comp+1) { |
---|
| 1567 | ERROR("Request for component %d in field with %d components", |
---|
| 1568 | comp, numComponents); |
---|
| 1569 | return; |
---|
| 1570 | } |
---|
| 1571 | _renderer->getCumulativeDataRange(r, name, type, numComponents, comp); |
---|
| 1572 | } else { |
---|
| 1573 | _dataSet->getDataRange(r, name, type, comp); |
---|
| 1574 | } |
---|
| 1575 | _lut->SetRange(r); |
---|
[2393] | 1576 | } |
---|
| 1577 | } |
---|
[2612] | 1578 | |
---|
| 1579 | switch (mode) { |
---|
| 1580 | case COLOR_BY_SCALAR: |
---|
| 1581 | _pdMapper->ScalarVisibilityOn(); |
---|
[2393] | 1582 | break; |
---|
[2612] | 1583 | case COLOR_BY_VECTOR_MAGNITUDE: |
---|
[2393] | 1584 | _pdMapper->ScalarVisibilityOn(); |
---|
| 1585 | if (_lut != NULL) { |
---|
| 1586 | _lut->SetVectorModeToMagnitude(); |
---|
| 1587 | } |
---|
| 1588 | break; |
---|
| 1589 | case COLOR_BY_VECTOR_X: |
---|
| 1590 | _pdMapper->ScalarVisibilityOn(); |
---|
| 1591 | if (_lut != NULL) { |
---|
| 1592 | _lut->SetVectorModeToComponent(); |
---|
| 1593 | _lut->SetVectorComponent(0); |
---|
| 1594 | } |
---|
| 1595 | break; |
---|
| 1596 | case COLOR_BY_VECTOR_Y: |
---|
| 1597 | _pdMapper->ScalarVisibilityOn(); |
---|
| 1598 | if (_lut != NULL) { |
---|
| 1599 | _lut->SetVectorModeToComponent(); |
---|
| 1600 | _lut->SetVectorComponent(1); |
---|
| 1601 | } |
---|
| 1602 | break; |
---|
| 1603 | case COLOR_BY_VECTOR_Z: |
---|
| 1604 | _pdMapper->ScalarVisibilityOn(); |
---|
| 1605 | if (_lut != NULL) { |
---|
| 1606 | _lut->SetVectorModeToComponent(); |
---|
| 1607 | _lut->SetVectorComponent(2); |
---|
| 1608 | } |
---|
| 1609 | break; |
---|
| 1610 | case COLOR_CONSTANT: |
---|
| 1611 | default: |
---|
| 1612 | _pdMapper->ScalarVisibilityOff(); |
---|
| 1613 | break; |
---|
| 1614 | } |
---|
| 1615 | } |
---|
| 1616 | |
---|
[2317] | 1617 | /** |
---|
[2402] | 1618 | * \brief Called when the color map has been edited |
---|
[2317] | 1619 | */ |
---|
[2402] | 1620 | void Streamlines::updateColorMap() |
---|
| 1621 | { |
---|
| 1622 | setColorMap(_colorMap); |
---|
[2317] | 1623 | } |
---|
| 1624 | |
---|
| 1625 | /** |
---|
| 1626 | * \brief Associate a colormap lookup table with the DataSet |
---|
| 1627 | */ |
---|
[2402] | 1628 | void Streamlines::setColorMap(ColorMap *cmap) |
---|
[2317] | 1629 | { |
---|
[2402] | 1630 | if (cmap == NULL) |
---|
| 1631 | return; |
---|
| 1632 | |
---|
| 1633 | _colorMap = cmap; |
---|
| 1634 | |
---|
| 1635 | if (_lut == NULL) { |
---|
[2317] | 1636 | _lut = vtkSmartPointer<vtkLookupTable>::New(); |
---|
[2402] | 1637 | if (_pdMapper != NULL) { |
---|
| 1638 | _pdMapper->UseLookupTableScalarRangeOn(); |
---|
| 1639 | _pdMapper->SetLookupTable(_lut); |
---|
| 1640 | } |
---|
[2612] | 1641 | _lut->DeepCopy(cmap->getLookupTable()); |
---|
| 1642 | switch (_colorMode) { |
---|
| 1643 | case COLOR_CONSTANT: |
---|
| 1644 | case COLOR_BY_SCALAR: |
---|
| 1645 | _lut->SetRange(_dataRange); |
---|
| 1646 | break; |
---|
| 1647 | case COLOR_BY_VECTOR_MAGNITUDE: |
---|
| 1648 | _lut->SetRange(_vectorMagnitudeRange); |
---|
| 1649 | break; |
---|
| 1650 | case COLOR_BY_VECTOR_X: |
---|
| 1651 | _lut->SetRange(_vectorComponentRange[0]); |
---|
| 1652 | break; |
---|
| 1653 | case COLOR_BY_VECTOR_Y: |
---|
| 1654 | _lut->SetRange(_vectorComponentRange[1]); |
---|
| 1655 | break; |
---|
| 1656 | case COLOR_BY_VECTOR_Z: |
---|
| 1657 | _lut->SetRange(_vectorComponentRange[2]); |
---|
| 1658 | break; |
---|
| 1659 | default: |
---|
| 1660 | break; |
---|
| 1661 | } |
---|
| 1662 | } else { |
---|
| 1663 | double range[2]; |
---|
| 1664 | _lut->GetTableRange(range); |
---|
| 1665 | _lut->DeepCopy(cmap->getLookupTable()); |
---|
| 1666 | _lut->SetRange(range); |
---|
[3330] | 1667 | _lut->Modified(); |
---|
[2317] | 1668 | } |
---|
| 1669 | |
---|
[2393] | 1670 | switch (_colorMode) { |
---|
[2402] | 1671 | case COLOR_BY_VECTOR_MAGNITUDE: |
---|
[2393] | 1672 | _lut->SetVectorModeToMagnitude(); |
---|
| 1673 | break; |
---|
[2402] | 1674 | case COLOR_BY_VECTOR_X: |
---|
[2393] | 1675 | _lut->SetVectorModeToComponent(); |
---|
| 1676 | _lut->SetVectorComponent(0); |
---|
| 1677 | break; |
---|
[2402] | 1678 | case COLOR_BY_VECTOR_Y: |
---|
[2393] | 1679 | _lut->SetVectorModeToComponent(); |
---|
| 1680 | _lut->SetVectorComponent(1); |
---|
| 1681 | break; |
---|
[2402] | 1682 | case COLOR_BY_VECTOR_Z: |
---|
[2393] | 1683 | _lut->SetVectorModeToComponent(); |
---|
| 1684 | _lut->SetVectorComponent(2); |
---|
| 1685 | break; |
---|
| 1686 | default: |
---|
| 1687 | break; |
---|
| 1688 | } |
---|
[2317] | 1689 | } |
---|
| 1690 | |
---|
| 1691 | /** |
---|
[2328] | 1692 | * \brief Turn on/off lighting of this object |
---|
| 1693 | */ |
---|
| 1694 | void Streamlines::setLighting(bool state) |
---|
| 1695 | { |
---|
| 1696 | _lighting = state; |
---|
| 1697 | if (_linesActor != NULL) |
---|
| 1698 | _linesActor->GetProperty()->SetLighting((state ? 1 : 0)); |
---|
| 1699 | } |
---|
| 1700 | |
---|
| 1701 | /** |
---|
[2332] | 1702 | * \brief Set opacity of this object |
---|
| 1703 | */ |
---|
| 1704 | void Streamlines::setOpacity(double opacity) |
---|
| 1705 | { |
---|
| 1706 | _opacity = opacity; |
---|
| 1707 | if (_linesActor != NULL) { |
---|
| 1708 | _linesActor->GetProperty()->SetOpacity(_opacity); |
---|
| 1709 | if (_opacity < 1.0) |
---|
[2393] | 1710 | setCulling(_linesActor->GetProperty(), false); |
---|
| 1711 | else if (_faceCulling && _lineType == TUBES) |
---|
| 1712 | setCulling(_linesActor->GetProperty(), true); |
---|
[2332] | 1713 | } |
---|
| 1714 | if (_seedActor != NULL) { |
---|
| 1715 | _seedActor->GetProperty()->SetOpacity(_opacity); |
---|
| 1716 | } |
---|
| 1717 | } |
---|
| 1718 | |
---|
| 1719 | /** |
---|
[2317] | 1720 | * \brief Turn on/off rendering of this Streamlines |
---|
| 1721 | */ |
---|
| 1722 | void Streamlines::setVisibility(bool state) |
---|
| 1723 | { |
---|
[2328] | 1724 | if (_linesActor != NULL) { |
---|
| 1725 | _linesActor->SetVisibility((state ? 1 : 0)); |
---|
[2317] | 1726 | } |
---|
| 1727 | if (_seedActor != NULL) { |
---|
| 1728 | if (!state || |
---|
| 1729 | (state && _seedVisible)) { |
---|
| 1730 | _seedActor->SetVisibility((state ? 1 : 0)); |
---|
| 1731 | } |
---|
| 1732 | } |
---|
| 1733 | } |
---|
| 1734 | |
---|
| 1735 | /** |
---|
| 1736 | * \brief Turn on/off rendering of the seed geometry |
---|
| 1737 | */ |
---|
| 1738 | void Streamlines::setSeedVisibility(bool state) |
---|
| 1739 | { |
---|
| 1740 | _seedVisible = state; |
---|
| 1741 | if (_seedActor != NULL) { |
---|
| 1742 | _seedActor->SetVisibility((state ? 1 : 0)); |
---|
| 1743 | } |
---|
| 1744 | } |
---|
| 1745 | |
---|
| 1746 | /** |
---|
| 1747 | * \brief Get visibility state of the Streamlines |
---|
| 1748 | * |
---|
| 1749 | * \return Are the Streamlines visible? |
---|
| 1750 | */ |
---|
| 1751 | bool Streamlines::getVisibility() |
---|
| 1752 | { |
---|
[2328] | 1753 | if (_linesActor == NULL) { |
---|
[2317] | 1754 | return false; |
---|
| 1755 | } else { |
---|
[2328] | 1756 | return (_linesActor->GetVisibility() != 0); |
---|
[2317] | 1757 | } |
---|
| 1758 | } |
---|
| 1759 | |
---|
| 1760 | /** |
---|
| 1761 | * \brief Turn on/off rendering of edges |
---|
| 1762 | */ |
---|
| 1763 | void Streamlines::setEdgeVisibility(bool state) |
---|
| 1764 | { |
---|
[2328] | 1765 | if (_linesActor != NULL) { |
---|
| 1766 | _linesActor->GetProperty()->SetEdgeVisibility((state ? 1 : 0)); |
---|
[2317] | 1767 | } |
---|
| 1768 | } |
---|
| 1769 | |
---|
| 1770 | /** |
---|
| 1771 | * \brief Set RGB color of stream lines |
---|
| 1772 | */ |
---|
[2393] | 1773 | void Streamlines::setColor(float color[3]) |
---|
| 1774 | { |
---|
| 1775 | _color[0] = color[0]; |
---|
| 1776 | _color[1] = color[1]; |
---|
| 1777 | _color[2] = color[2]; |
---|
| 1778 | if (_linesActor != NULL) |
---|
| 1779 | _linesActor->GetProperty()->SetColor(_color[0], _color[1], _color[2]); |
---|
| 1780 | } |
---|
| 1781 | |
---|
| 1782 | /** |
---|
| 1783 | * \brief Set RGB color of stream line edges |
---|
| 1784 | */ |
---|
[2317] | 1785 | void Streamlines::setEdgeColor(float color[3]) |
---|
| 1786 | { |
---|
| 1787 | _edgeColor[0] = color[0]; |
---|
| 1788 | _edgeColor[1] = color[1]; |
---|
| 1789 | _edgeColor[2] = color[2]; |
---|
[2328] | 1790 | if (_linesActor != NULL) |
---|
| 1791 | _linesActor->GetProperty()->SetEdgeColor(_edgeColor[0], _edgeColor[1], _edgeColor[2]); |
---|
[2317] | 1792 | } |
---|
| 1793 | |
---|
| 1794 | /** |
---|
| 1795 | * \brief Set RGB color of seed geometry |
---|
| 1796 | */ |
---|
| 1797 | void Streamlines::setSeedColor(float color[3]) |
---|
| 1798 | { |
---|
| 1799 | _seedColor[0] = color[0]; |
---|
| 1800 | _seedColor[1] = color[1]; |
---|
| 1801 | _seedColor[2] = color[2]; |
---|
[2506] | 1802 | if (_seedActor != NULL) { |
---|
[2317] | 1803 | _seedActor->GetProperty()->SetColor(_seedColor[0], _seedColor[1], _seedColor[2]); |
---|
[2506] | 1804 | _seedActor->GetProperty()->SetEdgeColor(_seedColor[0], _seedColor[1], _seedColor[2]); |
---|
| 1805 | } |
---|
[2317] | 1806 | } |
---|
| 1807 | |
---|
| 1808 | /** |
---|
[3682] | 1809 | * \brief Set point size of seed geometry (may be a no-op) |
---|
| 1810 | */ |
---|
| 1811 | void Streamlines::setSeedPointSize(float size) |
---|
| 1812 | { |
---|
| 1813 | if (_seedActor != NULL) { |
---|
| 1814 | _seedActor->GetProperty()->SetPointSize(size); |
---|
| 1815 | } |
---|
| 1816 | } |
---|
| 1817 | |
---|
| 1818 | /** |
---|
[2317] | 1819 | * \brief Set pixel width of stream lines (may be a no-op) |
---|
| 1820 | */ |
---|
| 1821 | void Streamlines::setEdgeWidth(float edgeWidth) |
---|
| 1822 | { |
---|
| 1823 | _edgeWidth = edgeWidth; |
---|
[2328] | 1824 | if (_linesActor != NULL) |
---|
| 1825 | _linesActor->GetProperty()->SetLineWidth(_edgeWidth); |
---|
[2317] | 1826 | } |
---|
| 1827 | |
---|
| 1828 | /** |
---|
| 1829 | * \brief Set a group of world coordinate planes to clip rendering |
---|
| 1830 | * |
---|
| 1831 | * Passing NULL for planes will remove all cliping planes |
---|
| 1832 | */ |
---|
| 1833 | void Streamlines::setClippingPlanes(vtkPlaneCollection *planes) |
---|
| 1834 | { |
---|
| 1835 | if (_pdMapper != NULL) { |
---|
| 1836 | _pdMapper->SetClippingPlanes(planes); |
---|
| 1837 | } |
---|
| 1838 | if (_seedMapper != NULL) { |
---|
| 1839 | _seedMapper->SetClippingPlanes(planes); |
---|
| 1840 | } |
---|
| 1841 | } |
---|