1 | /* -*- mode: c++; c-basic-offset: 4; indent-tabs-mode: nil -*- */ |
---|
2 | /* |
---|
3 | * Copyright (C) 2004-2012 HUBzero Foundation, LLC |
---|
4 | * |
---|
5 | * Author: Leif Delgass <ldelgass@purdue.edu> |
---|
6 | */ |
---|
7 | |
---|
8 | #include <cassert> |
---|
9 | |
---|
10 | #include <vtkActor.h> |
---|
11 | #include <vtkProperty.h> |
---|
12 | #include <vtkPointData.h> |
---|
13 | #include <vtkCellData.h> |
---|
14 | #include <vtkCellDataToPointData.h> |
---|
15 | #include <vtkImageData.h> |
---|
16 | #include <vtkPolyData.h> |
---|
17 | #include <vtkDataSetMapper.h> |
---|
18 | #include <vtkPainterPolyDataMapper.h> |
---|
19 | #include <vtkDataSetSurfaceFilter.h> |
---|
20 | #include <vtkCutter.h> |
---|
21 | #include <vtkImageMask.h> |
---|
22 | #include <vtkImageCast.h> |
---|
23 | #include <vtkDelaunay2D.h> |
---|
24 | #include <vtkDelaunay3D.h> |
---|
25 | #include <vtkTransform.h> |
---|
26 | |
---|
27 | #include "LIC.h" |
---|
28 | #include "Trace.h" |
---|
29 | |
---|
30 | using namespace VtkVis; |
---|
31 | |
---|
32 | LIC::LIC() : |
---|
33 | GraphicsObject(), |
---|
34 | _sliceAxis(Z_AXIS), |
---|
35 | _colorMap(NULL), |
---|
36 | _resolution(128) |
---|
37 | { |
---|
38 | } |
---|
39 | |
---|
40 | LIC::~LIC() |
---|
41 | { |
---|
42 | #ifdef WANT_TRACE |
---|
43 | if (_dataSet != NULL) |
---|
44 | TRACE("Deleting LIC for %s", _dataSet->getName().c_str()); |
---|
45 | else |
---|
46 | TRACE("Deleting LIC with NULL DataSet"); |
---|
47 | #endif |
---|
48 | } |
---|
49 | |
---|
50 | void LIC::initProp() |
---|
51 | { |
---|
52 | if (_prop == NULL) { |
---|
53 | _prop = vtkSmartPointer<vtkActor>::New(); |
---|
54 | vtkProperty *property = getActor()->GetProperty(); |
---|
55 | property->SetOpacity(_opacity); |
---|
56 | property->SetEdgeColor(_edgeColor[0], _edgeColor[1], _edgeColor[2]); |
---|
57 | property->SetLineWidth(_edgeWidth); |
---|
58 | property->EdgeVisibilityOff(); |
---|
59 | property->SetAmbient(.2); |
---|
60 | if (!_lighting) |
---|
61 | property->LightingOff(); |
---|
62 | } |
---|
63 | } |
---|
64 | |
---|
65 | void LIC::update() |
---|
66 | { |
---|
67 | if (_dataSet == NULL) |
---|
68 | return; |
---|
69 | |
---|
70 | vtkDataSet *ds = _dataSet->getVtkDataSet(); |
---|
71 | |
---|
72 | vtkSmartPointer<vtkCellDataToPointData> cellToPtData; |
---|
73 | if (ds->GetPointData() == NULL || |
---|
74 | ds->GetPointData()->GetVectors() == NULL) { |
---|
75 | TRACE("No vector point data in dataset %s", _dataSet->getName().c_str()); |
---|
76 | if (ds->GetCellData() != NULL && |
---|
77 | ds->GetCellData()->GetVectors() != NULL) { |
---|
78 | cellToPtData = |
---|
79 | vtkSmartPointer<vtkCellDataToPointData>::New(); |
---|
80 | #ifdef USE_VTK6 |
---|
81 | cellToPtData->SetInputData(ds); |
---|
82 | #else |
---|
83 | cellToPtData->SetInput(ds); |
---|
84 | #endif |
---|
85 | //cellToPtData->PassCellDataOn(); |
---|
86 | cellToPtData->Update(); |
---|
87 | ds = cellToPtData->GetOutput(); |
---|
88 | } else { |
---|
89 | USER_ERROR("No vector field was found in the data set"); |
---|
90 | return; |
---|
91 | } |
---|
92 | } |
---|
93 | |
---|
94 | vtkImageData *imageData = vtkImageData::SafeDownCast(ds); |
---|
95 | if (imageData != NULL) { |
---|
96 | if (_lic == NULL) { |
---|
97 | _lic = vtkSmartPointer<vtkImageDataLIC2D>::New(); |
---|
98 | } |
---|
99 | if (!_dataSet->is2D()) { |
---|
100 | // 3D image/volume/uniform grid |
---|
101 | if (_volumeSlicer == NULL) |
---|
102 | _volumeSlicer = vtkSmartPointer<vtkExtractVOI>::New(); |
---|
103 | int dims[3]; |
---|
104 | imageData->GetDimensions(dims); |
---|
105 | TRACE("Image data dimensions: %d %d %d", dims[0], dims[1], dims[2]); |
---|
106 | #ifdef USE_VTK6 |
---|
107 | _volumeSlicer->SetInputData(ds); |
---|
108 | #else |
---|
109 | _volumeSlicer->SetInput(ds); |
---|
110 | #endif |
---|
111 | _volumeSlicer->SetVOI(0, dims[0]-1, 0, dims[1]-1, (dims[2]-1)/2, (dims[2]-1)/2); |
---|
112 | _volumeSlicer->SetSampleRate(1, 1, 1); |
---|
113 | _lic->SetInputConnection(_volumeSlicer->GetOutputPort()); |
---|
114 | } else { |
---|
115 | // 2D image/uniform grid |
---|
116 | #ifdef USE_VTK6 |
---|
117 | _lic->SetInputData(ds); |
---|
118 | #else |
---|
119 | _lic->SetInput(ds); |
---|
120 | #endif |
---|
121 | } |
---|
122 | if (_mapper == NULL) { |
---|
123 | _mapper = vtkSmartPointer<vtkDataSetMapper>::New(); |
---|
124 | } |
---|
125 | _mapper->SetInputConnection(_lic->GetOutputPort()); |
---|
126 | } else if (vtkPolyData::SafeDownCast(ds) == NULL || |
---|
127 | _dataSet->isCloud() || |
---|
128 | _dataSet->is2D()) { |
---|
129 | // structured/rectilinear/unstructured grid, cloud or 2D polydata |
---|
130 | if (_lic == NULL) { |
---|
131 | _lic = vtkSmartPointer<vtkImageDataLIC2D>::New(); |
---|
132 | } |
---|
133 | |
---|
134 | // Need to convert to vtkImageData |
---|
135 | double bounds[6]; |
---|
136 | ds->GetBounds(bounds); |
---|
137 | double xSize = bounds[1] - bounds[0]; |
---|
138 | double ySize = bounds[3] - bounds[2]; |
---|
139 | double zSize = bounds[5] - bounds[4]; |
---|
140 | int minDir = 2; |
---|
141 | if (xSize < ySize && xSize < zSize) |
---|
142 | minDir = 0; |
---|
143 | if (ySize < xSize && ySize < zSize) |
---|
144 | minDir = 1; |
---|
145 | if (_probeFilter == NULL) |
---|
146 | _probeFilter = vtkSmartPointer<vtkProbeFilter>::New(); |
---|
147 | |
---|
148 | PrincipalPlane plane; |
---|
149 | double offset; |
---|
150 | if (!_dataSet->is2D(&plane, &offset)) { |
---|
151 | // 3D Data: Sample a plane within the bounding box |
---|
152 | vtkSmartPointer<vtkCutter> cutter = vtkSmartPointer<vtkCutter>::New(); |
---|
153 | if (_cutPlane == NULL) { |
---|
154 | _cutPlane = vtkSmartPointer<vtkPlane>::New(); |
---|
155 | } |
---|
156 | if (minDir == 0) { |
---|
157 | _cutPlane->SetNormal(1, 0, 0); |
---|
158 | _cutPlane->SetOrigin(bounds[0] + (bounds[1]-bounds[0])/2., |
---|
159 | 0, |
---|
160 | 0); |
---|
161 | } else if (minDir == 1) { |
---|
162 | _cutPlane->SetNormal(0, 1, 0); |
---|
163 | _cutPlane->SetOrigin(0, |
---|
164 | bounds[2] + (bounds[3]-bounds[2])/2., |
---|
165 | 0); |
---|
166 | } else { |
---|
167 | _cutPlane->SetNormal(0, 0, 1); |
---|
168 | _cutPlane->SetOrigin(0, |
---|
169 | 0, |
---|
170 | bounds[4] + (bounds[5]-bounds[4])/2.); |
---|
171 | } |
---|
172 | |
---|
173 | if (_dataSet->isCloud()) { |
---|
174 | // 3D cloud -- Need to mesh it before we can resample |
---|
175 | vtkSmartPointer<vtkDelaunay3D> mesher = vtkSmartPointer<vtkDelaunay3D>::New(); |
---|
176 | #ifdef USE_VTK6 |
---|
177 | mesher->SetInputData(ds); |
---|
178 | #else |
---|
179 | mesher->SetInput(ds); |
---|
180 | #endif |
---|
181 | cutter->SetInputConnection(mesher->GetOutputPort()); |
---|
182 | } else { |
---|
183 | #ifdef USE_VTK6 |
---|
184 | cutter->SetInputData(ds); |
---|
185 | #else |
---|
186 | cutter->SetInput(ds); |
---|
187 | #endif |
---|
188 | } |
---|
189 | cutter->SetCutFunction(_cutPlane); |
---|
190 | _probeFilter->SetSourceConnection(cutter->GetOutputPort()); |
---|
191 | } else { |
---|
192 | if (_dataSet->isCloud()) { |
---|
193 | // 2D cloud -- Need to mesh it before we can resample |
---|
194 | vtkSmartPointer<vtkDelaunay2D> mesher = vtkSmartPointer<vtkDelaunay2D>::New(); |
---|
195 | if (plane == PLANE_ZY) { |
---|
196 | vtkSmartPointer<vtkTransform> trans = vtkSmartPointer<vtkTransform>::New(); |
---|
197 | trans->RotateWXYZ(90, 0, 1, 0); |
---|
198 | if (offset != 0.0) { |
---|
199 | trans->Translate(-offset, 0, 0); |
---|
200 | } |
---|
201 | mesher->SetTransform(trans); |
---|
202 | } else if (plane == PLANE_XZ) { |
---|
203 | vtkSmartPointer<vtkTransform> trans = vtkSmartPointer<vtkTransform>::New(); |
---|
204 | trans->RotateWXYZ(-90, 1, 0, 0); |
---|
205 | if (offset != 0.0) { |
---|
206 | trans->Translate(0, -offset, 0); |
---|
207 | } |
---|
208 | mesher->SetTransform(trans); |
---|
209 | } else if (offset != 0.0) { |
---|
210 | // XY with Z offset |
---|
211 | vtkSmartPointer<vtkTransform> trans = vtkSmartPointer<vtkTransform>::New(); |
---|
212 | trans->Translate(0, 0, -offset); |
---|
213 | mesher->SetTransform(trans); |
---|
214 | } |
---|
215 | #ifdef USE_VTK6 |
---|
216 | mesher->SetInputData(ds); |
---|
217 | #else |
---|
218 | mesher->SetInput(ds); |
---|
219 | #endif |
---|
220 | _probeFilter->SetSourceConnection(mesher->GetOutputPort()); |
---|
221 | } else { |
---|
222 | #ifdef USE_VTK6 |
---|
223 | _probeFilter->SetSourceData(ds); |
---|
224 | #else |
---|
225 | _probeFilter->SetSource(ds); |
---|
226 | #endif |
---|
227 | } |
---|
228 | } |
---|
229 | |
---|
230 | vtkSmartPointer<vtkImageData> imageData = vtkSmartPointer<vtkImageData>::New(); |
---|
231 | int xdim, ydim, zdim; |
---|
232 | double origin[3], spacing[3]; |
---|
233 | int res = _resolution; |
---|
234 | if (minDir == 0) { |
---|
235 | xdim = 1; |
---|
236 | ydim = res; |
---|
237 | zdim = res; |
---|
238 | origin[0] = bounds[0] + xSize/2.; |
---|
239 | origin[1] = bounds[2]; |
---|
240 | origin[2] = bounds[4]; |
---|
241 | spacing[0] = 0; |
---|
242 | spacing[1] = ySize/((double)(ydim-1)); |
---|
243 | spacing[2] = zSize/((double)(zdim-1)); |
---|
244 | _sliceAxis = X_AXIS; |
---|
245 | } else if (minDir == 1) { |
---|
246 | xdim = res; |
---|
247 | ydim = 1; |
---|
248 | zdim = res; |
---|
249 | origin[0] = bounds[0]; |
---|
250 | origin[1] = bounds[2] + ySize/2.; |
---|
251 | origin[2] = bounds[4]; |
---|
252 | spacing[0] = xSize/((double)(xdim-1)); |
---|
253 | spacing[1] = 0; |
---|
254 | spacing[2] = zSize/((double)(zdim-1)); |
---|
255 | _sliceAxis = Y_AXIS; |
---|
256 | } else { |
---|
257 | xdim = res; |
---|
258 | ydim = res; |
---|
259 | zdim = 1; |
---|
260 | origin[0] = bounds[0]; |
---|
261 | origin[1] = bounds[2]; |
---|
262 | origin[2] = bounds[4] + zSize/2.; |
---|
263 | spacing[0] = xSize/((double)(xdim-1)); |
---|
264 | spacing[1] = ySize/((double)(ydim-1)); |
---|
265 | spacing[2] = 0; |
---|
266 | _sliceAxis = Z_AXIS; |
---|
267 | } |
---|
268 | imageData->SetDimensions(xdim, ydim, zdim); |
---|
269 | imageData->SetOrigin(origin); |
---|
270 | imageData->SetSpacing(spacing); |
---|
271 | #ifdef USE_VTK6 |
---|
272 | _probeFilter->SetInputData(imageData); |
---|
273 | #else |
---|
274 | _probeFilter->SetInput(imageData); |
---|
275 | #endif |
---|
276 | _lic->SetInputConnection(_probeFilter->GetOutputPort()); |
---|
277 | |
---|
278 | if (_mapper == NULL) { |
---|
279 | _mapper = vtkSmartPointer<vtkDataSetMapper>::New(); |
---|
280 | _mapper->SetColorModeToMapScalars(); |
---|
281 | } |
---|
282 | _lic->Update(); |
---|
283 | if (1) { |
---|
284 | vtkSmartPointer<vtkImageData> imgData = _probeFilter->GetImageDataOutput(); |
---|
285 | imgData->GetPointData()->SetActiveScalars(_probeFilter->GetValidPointMaskArrayName()); |
---|
286 | vtkSmartPointer<vtkImageCast> maskCast = vtkSmartPointer<vtkImageCast>::New(); |
---|
287 | maskCast->SetInputData(imgData); |
---|
288 | //maskCast->SetInputConnection(_probeFilter->GetOutputPort()); |
---|
289 | //maskCast->SetInputArrayToProcess(0, 0, 0, vtkDataObject::FIELD_ASSOCIATION_POINTS, |
---|
290 | // _probeFilter->GetValidPointMaskArrayName()); |
---|
291 | maskCast->SetOutputScalarTypeToUnsignedChar(); |
---|
292 | vtkSmartPointer<vtkImageCast> licCast = vtkSmartPointer<vtkImageCast>::New(); |
---|
293 | licCast->SetInputConnection(_lic->GetOutputPort()); |
---|
294 | licCast->SetOutputScalarTypeToDouble(); |
---|
295 | vtkSmartPointer<vtkImageMask> mask = vtkSmartPointer<vtkImageMask>::New(); |
---|
296 | mask->SetInputConnection(0, licCast->GetOutputPort()); |
---|
297 | mask->SetInputConnection(1, maskCast->GetOutputPort()); |
---|
298 | _mapper->SetInputConnection(mask->GetOutputPort()); |
---|
299 | } else { |
---|
300 | // Mask not working in VTK 6.1? |
---|
301 | _mapper->SetInputConnection(_lic->GetOutputPort()); |
---|
302 | } |
---|
303 | } else { |
---|
304 | // DataSet is a 3D PolyData with cells |
---|
305 | vtkPolyData *pd = vtkPolyData::SafeDownCast(ds); |
---|
306 | assert(pd != NULL); |
---|
307 | |
---|
308 | // XXX: This mapper seems to conflict with offscreen rendering, so the main |
---|
309 | // renderer needs to be set not to use FBOs for this to work |
---|
310 | _mapper = vtkSmartPointer<vtkPainterPolyDataMapper>::New(); |
---|
311 | vtkPainterPolyDataMapper *ppdmapper = vtkPainterPolyDataMapper::SafeDownCast(_mapper); |
---|
312 | if (_painter == NULL) { |
---|
313 | _painter = vtkSmartPointer<vtkSurfaceLICPainter>::New(); |
---|
314 | _painter->SetDelegatePainter(ppdmapper->GetPainter()); |
---|
315 | } |
---|
316 | ppdmapper->SetPainter(_painter); |
---|
317 | #ifdef USE_VTK6 |
---|
318 | ppdmapper->SetInputData(pd); |
---|
319 | #else |
---|
320 | ppdmapper->SetInput(pd); |
---|
321 | #endif |
---|
322 | } |
---|
323 | |
---|
324 | setInterpolateBeforeMapping(true); |
---|
325 | |
---|
326 | if (_lut == NULL) { |
---|
327 | setColorMap(ColorMap::getGrayDefault()); |
---|
328 | } |
---|
329 | |
---|
330 | initProp(); |
---|
331 | getActor()->SetMapper(_mapper); |
---|
332 | |
---|
333 | _mapper->Update(); |
---|
334 | } |
---|
335 | |
---|
336 | void LIC::setInterpolateBeforeMapping(bool state) |
---|
337 | { |
---|
338 | if (_mapper != NULL) { |
---|
339 | _mapper->SetInterpolateScalarsBeforeMapping((state ? 1 : 0)); |
---|
340 | } |
---|
341 | } |
---|
342 | |
---|
343 | /** |
---|
344 | * \brief Select a 2D slice plane from a 3D DataSet |
---|
345 | * |
---|
346 | * \param[in] axis Axis of slice plane |
---|
347 | * \param[in] ratio Position [0,1] of slice plane along axis |
---|
348 | */ |
---|
349 | void LIC::selectVolumeSlice(Axis axis, double ratio) |
---|
350 | { |
---|
351 | if (_dataSet->is2D()) { |
---|
352 | WARN("DataSet not 3D, returning"); |
---|
353 | return; |
---|
354 | } |
---|
355 | |
---|
356 | if (_volumeSlicer == NULL && |
---|
357 | _probeFilter == NULL) { |
---|
358 | WARN("Called before update() or DataSet is not a volume"); |
---|
359 | return; |
---|
360 | } |
---|
361 | |
---|
362 | int dims[3]; |
---|
363 | |
---|
364 | vtkImageData *imageData = vtkImageData::SafeDownCast(_dataSet->getVtkDataSet()); |
---|
365 | if (imageData == NULL) { |
---|
366 | if (_probeFilter != NULL) { |
---|
367 | imageData = vtkImageData::SafeDownCast(_probeFilter->GetInput()); |
---|
368 | if (imageData == NULL) { |
---|
369 | ERROR("Couldn't get probe filter input image"); |
---|
370 | return; |
---|
371 | } |
---|
372 | } else { |
---|
373 | ERROR("Not a volume data set"); |
---|
374 | return; |
---|
375 | } |
---|
376 | } |
---|
377 | imageData->GetDimensions(dims); |
---|
378 | |
---|
379 | _sliceAxis = axis; |
---|
380 | |
---|
381 | if (_probeFilter != NULL) { |
---|
382 | vtkImageData *imageData = vtkImageData::SafeDownCast(_probeFilter->GetInput()); |
---|
383 | double bounds[6]; |
---|
384 | assert(vtkDataSet::SafeDownCast(_probeFilter->GetSource()) != NULL); |
---|
385 | _dataSet->getBounds(bounds); |
---|
386 | int dim = _resolution; |
---|
387 | |
---|
388 | switch (axis) { |
---|
389 | case X_AXIS: |
---|
390 | imageData->SetDimensions(1, dim, dim); |
---|
391 | imageData->SetOrigin(bounds[0] + (bounds[1]-bounds[0])*ratio, bounds[2], bounds[4]); |
---|
392 | imageData->SetSpacing(0, |
---|
393 | (bounds[3]-bounds[2])/((double)(dim-1)), |
---|
394 | (bounds[5]-bounds[4])/((double)(dim-1))); |
---|
395 | if (_cutPlane != NULL) { |
---|
396 | _cutPlane->SetNormal(1, 0, 0); |
---|
397 | _cutPlane->SetOrigin(bounds[0] + (bounds[1]-bounds[0])*ratio, 0, 0); |
---|
398 | } |
---|
399 | break; |
---|
400 | case Y_AXIS: |
---|
401 | imageData->SetDimensions(dim, 1, dim); |
---|
402 | imageData->SetOrigin(bounds[0], bounds[2] + (bounds[3]-bounds[2])*ratio, bounds[4]); |
---|
403 | imageData->SetSpacing((bounds[1]-bounds[0])/((double)(dim-1)), |
---|
404 | 0, |
---|
405 | (bounds[5]-bounds[4])/((double)(dim-1))); |
---|
406 | if (_cutPlane != NULL) { |
---|
407 | _cutPlane->SetNormal(0, 1, 0); |
---|
408 | _cutPlane->SetOrigin(0, bounds[2] + (bounds[3]-bounds[2])*ratio, 0); |
---|
409 | } |
---|
410 | break; |
---|
411 | case Z_AXIS: |
---|
412 | imageData->SetDimensions(dim, dim, 1); |
---|
413 | imageData->SetOrigin(bounds[0], bounds[2], bounds[4] + (bounds[5]-bounds[4])*ratio); |
---|
414 | imageData->SetSpacing((bounds[1]-bounds[0])/((double)(dim-1)), |
---|
415 | (bounds[3]-bounds[2])/((double)(dim-1)), |
---|
416 | 0); |
---|
417 | if (_cutPlane != NULL) { |
---|
418 | _cutPlane->SetNormal(0, 0, 1); |
---|
419 | _cutPlane->SetOrigin(0, 0, bounds[4] + (bounds[5]-bounds[4])*ratio); |
---|
420 | } |
---|
421 | break; |
---|
422 | default: |
---|
423 | ERROR("Invalid Axis"); |
---|
424 | return; |
---|
425 | } |
---|
426 | } else { |
---|
427 | int voi[6]; |
---|
428 | |
---|
429 | switch (axis) { |
---|
430 | case X_AXIS: |
---|
431 | voi[0] = voi[1] = (int)((dims[0]-1) * ratio); |
---|
432 | voi[2] = 0; |
---|
433 | voi[3] = dims[1]-1; |
---|
434 | voi[4] = 0; |
---|
435 | voi[5] = dims[2]-1; |
---|
436 | break; |
---|
437 | case Y_AXIS: |
---|
438 | voi[2] = voi[3] = (int)((dims[1]-1) * ratio); |
---|
439 | voi[0] = 0; |
---|
440 | voi[1] = dims[0]-1; |
---|
441 | voi[4] = 0; |
---|
442 | voi[5] = dims[2]-1; |
---|
443 | break; |
---|
444 | case Z_AXIS: |
---|
445 | voi[4] = voi[5] = (int)((dims[2]-1) * ratio); |
---|
446 | voi[0] = 0; |
---|
447 | voi[1] = dims[0]-1; |
---|
448 | voi[2] = 0; |
---|
449 | voi[3] = dims[1]-1; |
---|
450 | break; |
---|
451 | default: |
---|
452 | ERROR("Invalid Axis"); |
---|
453 | return; |
---|
454 | } |
---|
455 | |
---|
456 | _volumeSlicer->SetVOI(voi); |
---|
457 | } |
---|
458 | |
---|
459 | if (_lic != NULL) |
---|
460 | _lic->Update(); |
---|
461 | |
---|
462 | if (_mapper != NULL) |
---|
463 | _mapper->Update(); |
---|
464 | } |
---|
465 | |
---|
466 | /** |
---|
467 | * \brief Called when the color map has been edited |
---|
468 | */ |
---|
469 | void LIC::updateColorMap() |
---|
470 | { |
---|
471 | setColorMap(_colorMap); |
---|
472 | } |
---|
473 | |
---|
474 | /** |
---|
475 | * \brief Associate a colormap lookup table with the DataSet |
---|
476 | */ |
---|
477 | void LIC::setColorMap(ColorMap *cmap) |
---|
478 | { |
---|
479 | if (cmap == NULL) |
---|
480 | return; |
---|
481 | |
---|
482 | _colorMap = cmap; |
---|
483 | |
---|
484 | if (_lut == NULL) { |
---|
485 | _lut = vtkSmartPointer<vtkLookupTable>::New(); |
---|
486 | if (_mapper != NULL) { |
---|
487 | _mapper->UseLookupTableScalarRangeOff(); |
---|
488 | _mapper->SetLookupTable(_lut); |
---|
489 | } |
---|
490 | } |
---|
491 | |
---|
492 | _lut->DeepCopy(cmap->getLookupTable()); |
---|
493 | _lut->SetRange(_dataRange); |
---|
494 | _lut->Modified(); |
---|
495 | } |
---|
496 | |
---|
497 | void LIC::updateRanges(Renderer *renderer) |
---|
498 | { |
---|
499 | GraphicsObject::updateRanges(renderer); |
---|
500 | |
---|
501 | if (_lut != NULL) { |
---|
502 | _lut->SetRange(_dataRange); |
---|
503 | } |
---|
504 | } |
---|
505 | |
---|
506 | /** |
---|
507 | * \brief Set a group of world coordinate planes to clip rendering |
---|
508 | * |
---|
509 | * Passing NULL for planes will remove all cliping planes |
---|
510 | */ |
---|
511 | void LIC::setClippingPlanes(vtkPlaneCollection *planes) |
---|
512 | { |
---|
513 | if (_mapper != NULL) { |
---|
514 | _mapper->SetClippingPlanes(planes); |
---|
515 | } |
---|
516 | } |
---|