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 | #ifndef VTKVIS_GRAPHICS_OBJECT_H |
---|
9 | #define VTKVIS_GRAPHICS_OBJECT_H |
---|
10 | |
---|
11 | #include <cmath> |
---|
12 | #include <string> |
---|
13 | |
---|
14 | #include <vtkSmartPointer.h> |
---|
15 | #include <vtkProp.h> |
---|
16 | #include <vtkActor2D.h> |
---|
17 | #include <vtkProp3D.h> |
---|
18 | #include <vtkProp3DCollection.h> |
---|
19 | #include <vtkAssembly.h> |
---|
20 | #include <vtkActor.h> |
---|
21 | #include <vtkImageActor.h> |
---|
22 | #include <vtkVolume.h> |
---|
23 | #include <vtkProperty.h> |
---|
24 | #include <vtkImageProperty.h> |
---|
25 | #include <vtkVolumeProperty.h> |
---|
26 | #include <vtkMath.h> |
---|
27 | #include <vtkMatrix4x4.h> |
---|
28 | #include <vtkPlaneCollection.h> |
---|
29 | |
---|
30 | #include "DataSet.h" |
---|
31 | #include "Trace.h" |
---|
32 | |
---|
33 | namespace VtkVis { |
---|
34 | |
---|
35 | class Renderer; |
---|
36 | |
---|
37 | /** |
---|
38 | * \brief Base class for graphics objects |
---|
39 | */ |
---|
40 | class GraphicsObject { |
---|
41 | public: |
---|
42 | enum CullFace { |
---|
43 | CULL_FRONT, |
---|
44 | CULL_BACK, |
---|
45 | CULL_FRONT_AND_BACK |
---|
46 | }; |
---|
47 | enum ShadingModel { |
---|
48 | SHADE_FLAT = VTK_FLAT, |
---|
49 | SHADE_GOURAUD = VTK_GOURAUD, |
---|
50 | SHADE_PHONG = VTK_PHONG |
---|
51 | }; |
---|
52 | |
---|
53 | GraphicsObject() : |
---|
54 | _dataSet(NULL), |
---|
55 | _opacity(1.0), |
---|
56 | _edgeWidth(1.0f), |
---|
57 | _pointSize(1.0f), |
---|
58 | _lighting(true), |
---|
59 | _cullFace(CULL_BACK), |
---|
60 | _faceCulling(false) |
---|
61 | { |
---|
62 | _dataRange[0] = 0; |
---|
63 | _dataRange[1] = 1; |
---|
64 | _color[0] = 1.0f; |
---|
65 | _color[1] = 1.0f; |
---|
66 | _color[2] = 1.0f; |
---|
67 | _edgeColor[0] = 0.0f; |
---|
68 | _edgeColor[1] = 0.0f; |
---|
69 | _edgeColor[2] = 0.0f; |
---|
70 | } |
---|
71 | |
---|
72 | virtual ~GraphicsObject() |
---|
73 | {} |
---|
74 | |
---|
75 | /** |
---|
76 | * \brief Return the name of the sublass of GraphicsObject |
---|
77 | */ |
---|
78 | virtual const char *getClassName() const = 0; |
---|
79 | |
---|
80 | /** |
---|
81 | * \brief Specify input DataSet and information on cumulative data ranges |
---|
82 | * |
---|
83 | * Default implementation calls update() and stores scalarRange to |
---|
84 | * _dataRange based on cumulative range settings |
---|
85 | * |
---|
86 | * \param[in] dataSet DataSet to use in rendering |
---|
87 | * \param[in] renderer Pointer to Renderer -- may be used to get |
---|
88 | * cumulative data ranges |
---|
89 | */ |
---|
90 | virtual void setDataSet(DataSet *dataSet, |
---|
91 | Renderer *renderer); |
---|
92 | |
---|
93 | /** |
---|
94 | * \brief Called when scalar or vector field changes (e.g. active field) or |
---|
95 | * cumulative ranges or settings change |
---|
96 | * |
---|
97 | * \param[in] renderer Pointer to Renderer -- may be used to get |
---|
98 | * cumulative data ranges |
---|
99 | */ |
---|
100 | virtual void updateRanges(Renderer *renderer); |
---|
101 | |
---|
102 | /** |
---|
103 | * \brief Return the DataSet this object renders |
---|
104 | */ |
---|
105 | inline DataSet *getDataSet() |
---|
106 | { |
---|
107 | return _dataSet; |
---|
108 | } |
---|
109 | |
---|
110 | /** |
---|
111 | * \brief Return the VTK prop object to render |
---|
112 | */ |
---|
113 | inline vtkProp *getProp() |
---|
114 | { |
---|
115 | return _prop; |
---|
116 | } |
---|
117 | |
---|
118 | /** |
---|
119 | * \brief Cast the vktProp to a vtkActor2D |
---|
120 | * |
---|
121 | * \return NULL or a vtkActor2D pointer |
---|
122 | */ |
---|
123 | inline vtkActor2D *getActor2D() |
---|
124 | { |
---|
125 | return vtkActor2D::SafeDownCast(_prop); |
---|
126 | } |
---|
127 | |
---|
128 | /** |
---|
129 | * \brief Cast the vktProp to a vtkProp3D |
---|
130 | * |
---|
131 | * \return NULL or a vtkProp3D pointer |
---|
132 | */ |
---|
133 | inline vtkProp3D *getProp3D() |
---|
134 | { |
---|
135 | return vtkProp3D::SafeDownCast(_prop); |
---|
136 | } |
---|
137 | |
---|
138 | /** |
---|
139 | * \brief Cast the vktProp to a vtkActor |
---|
140 | * |
---|
141 | * \return NULL or a vtkActor pointer |
---|
142 | */ |
---|
143 | inline vtkActor *getActor() |
---|
144 | { |
---|
145 | return vtkActor::SafeDownCast(_prop); |
---|
146 | } |
---|
147 | |
---|
148 | /** |
---|
149 | * \brief Cast the vktProp to a vtkImageActor |
---|
150 | * |
---|
151 | * \return NULL or a vtkImageActor pointer |
---|
152 | */ |
---|
153 | inline vtkImageActor *getImageActor() |
---|
154 | { |
---|
155 | return vtkImageActor::SafeDownCast(_prop); |
---|
156 | } |
---|
157 | |
---|
158 | /** |
---|
159 | * \brief Cast the vktProp to a vtkVolume |
---|
160 | * |
---|
161 | * \return NULL or a vtkVolume pointer |
---|
162 | */ |
---|
163 | inline vtkVolume *getVolume() |
---|
164 | { |
---|
165 | return vtkVolume::SafeDownCast(_prop); |
---|
166 | } |
---|
167 | |
---|
168 | /** |
---|
169 | * \brief Cast the vktProp to a vtkAssembly |
---|
170 | * |
---|
171 | * \return NULL or a vtkAssembly pointer |
---|
172 | */ |
---|
173 | inline vtkAssembly *getAssembly() |
---|
174 | { |
---|
175 | return vtkAssembly::SafeDownCast(_prop); |
---|
176 | } |
---|
177 | |
---|
178 | /** |
---|
179 | * \brief If the object has a 2D overlay prop, return it |
---|
180 | * |
---|
181 | * \return NULL or a vtkProp pointer |
---|
182 | */ |
---|
183 | virtual vtkProp *getOverlayProp() |
---|
184 | { |
---|
185 | return NULL; |
---|
186 | } |
---|
187 | |
---|
188 | /** |
---|
189 | * \brief Set an additional transform on the prop |
---|
190 | * |
---|
191 | * prop must be a vtkProp3D. The transform is |
---|
192 | * concatenated with the internal transform created |
---|
193 | * by setting the prop position, orientation and scale |
---|
194 | */ |
---|
195 | virtual void setTransform(vtkMatrix4x4 *matrix) |
---|
196 | { |
---|
197 | if (getProp3D() != NULL) { |
---|
198 | getProp3D()->SetUserMatrix(matrix); |
---|
199 | } |
---|
200 | } |
---|
201 | |
---|
202 | /** |
---|
203 | * \brief Set the prop center of rotation |
---|
204 | * |
---|
205 | * \param[in] origin The point about which the object rotates |
---|
206 | */ |
---|
207 | virtual void setOrigin(double origin[3]) |
---|
208 | { |
---|
209 | if (getProp3D() != NULL) { |
---|
210 | getProp3D()->SetOrigin(origin); |
---|
211 | } |
---|
212 | } |
---|
213 | |
---|
214 | /** |
---|
215 | * \brief Set the prop orientation with a quaternion |
---|
216 | * |
---|
217 | * \param[in] quat Quaternion with scalar part first |
---|
218 | */ |
---|
219 | virtual void setOrientation(double quat[4]) |
---|
220 | { |
---|
221 | if (getProp3D() != NULL) { |
---|
222 | double angle = vtkMath::DegreesFromRadians(2.0 * acos(quat[0])); |
---|
223 | double axis[3]; |
---|
224 | if (angle < 1.0e-6) { |
---|
225 | axis[0] = 1; |
---|
226 | axis[1] = 0; |
---|
227 | axis[2] = 0; |
---|
228 | } else { |
---|
229 | double denom = sqrt(1. - quat[0] * quat[0]); |
---|
230 | axis[0] = quat[1] / denom; |
---|
231 | axis[1] = quat[2] / denom; |
---|
232 | axis[2] = quat[3] / denom; |
---|
233 | } |
---|
234 | setOrientation(angle, axis); |
---|
235 | } |
---|
236 | } |
---|
237 | |
---|
238 | /** |
---|
239 | * \brief Set the prop orientation with a rotation about an axis |
---|
240 | * |
---|
241 | * \param[in] angle Angle in degrees |
---|
242 | * \param[in] axis Axis of rotation |
---|
243 | */ |
---|
244 | virtual void setOrientation(double angle, double axis[3]) |
---|
245 | { |
---|
246 | if (getProp3D() != NULL) { |
---|
247 | getProp3D()->SetOrientation(0, 0, 0); |
---|
248 | getProp3D()->RotateWXYZ(angle, axis[0], axis[1], axis[2]); |
---|
249 | } |
---|
250 | } |
---|
251 | |
---|
252 | /** |
---|
253 | * \brief Set the prop position |
---|
254 | * |
---|
255 | * \param[in] pos Position in world coordinates |
---|
256 | */ |
---|
257 | virtual void setPosition(double pos[3]) |
---|
258 | { |
---|
259 | if (getProp3D() != NULL) { |
---|
260 | getProp3D()->SetPosition(pos); |
---|
261 | } |
---|
262 | } |
---|
263 | |
---|
264 | /** |
---|
265 | * \brief Set 2D aspect ratio scaling |
---|
266 | * |
---|
267 | * \param aspect 0=no scaling, otherwise aspect |
---|
268 | * is horiz/vertical ratio |
---|
269 | */ |
---|
270 | virtual void setAspect(double aspect) |
---|
271 | { |
---|
272 | double scale[3]; |
---|
273 | scale[0] = scale[1] = scale[2] = 1.; |
---|
274 | |
---|
275 | if (aspect == 0.0) { |
---|
276 | setScale(scale); |
---|
277 | return; |
---|
278 | } |
---|
279 | if (_dataSet == NULL || |
---|
280 | _dataSet->getVtkDataSet() == NULL) { |
---|
281 | TRACE("Not setting aspect for object with no data set"); |
---|
282 | return; |
---|
283 | } |
---|
284 | |
---|
285 | PrincipalPlane plane; |
---|
286 | if (!_dataSet->is2D(&plane)) { |
---|
287 | TRACE("Not setting aspect for 3D object"); |
---|
288 | return; |
---|
289 | } |
---|
290 | |
---|
291 | double bounds[6]; |
---|
292 | vtkDataSet *ds = _dataSet->getVtkDataSet(); |
---|
293 | ds->GetBounds(bounds); |
---|
294 | double size[3]; |
---|
295 | size[0] = bounds[1] - bounds[0]; |
---|
296 | size[1] = bounds[3] - bounds[2]; |
---|
297 | size[2] = bounds[5] - bounds[4]; |
---|
298 | |
---|
299 | if (aspect == 1.0) { |
---|
300 | // Square |
---|
301 | switch (plane) { |
---|
302 | case PLANE_XY: { |
---|
303 | if (size[0] > size[1] && size[1] > 1.0e-6) { |
---|
304 | scale[1] = size[0] / size[1]; |
---|
305 | } else if (size[1] > size[0] && size[0] > 1.0e-6) { |
---|
306 | scale[0] = size[1] / size[0]; |
---|
307 | } |
---|
308 | } |
---|
309 | break; |
---|
310 | case PLANE_ZY: { |
---|
311 | if (size[1] > size[2] && size[2] > 1.0e-6) { |
---|
312 | scale[2] = size[1] / size[2]; |
---|
313 | } else if (size[2] > size[1] && size[1] > 1.0e-6) { |
---|
314 | scale[1] = size[2] / size[1]; |
---|
315 | } |
---|
316 | } |
---|
317 | break; |
---|
318 | case PLANE_XZ: { |
---|
319 | if (size[0] > size[2] && size[2] > 1.0e-6) { |
---|
320 | scale[2] = size[0] / size[2]; |
---|
321 | } else if (size[2] > size[0] && size[0] > 1.0e-6) { |
---|
322 | scale[0] = size[2] / size[0]; |
---|
323 | } |
---|
324 | } |
---|
325 | break; |
---|
326 | default: |
---|
327 | break; |
---|
328 | } |
---|
329 | } else { |
---|
330 | switch (plane) { |
---|
331 | case PLANE_XY: { |
---|
332 | if (aspect > 1.0) { |
---|
333 | if (size[0] > size[1]) { |
---|
334 | scale[1] = (size[0] / aspect) / size[1]; |
---|
335 | } else { |
---|
336 | scale[0] = (size[1] * aspect) / size[0]; |
---|
337 | } |
---|
338 | } else { |
---|
339 | if (size[1] > size[0]) { |
---|
340 | scale[0] = (size[1] * aspect) / size[0]; |
---|
341 | } else { |
---|
342 | scale[1] = (size[0] / aspect) / size[1]; |
---|
343 | } |
---|
344 | } |
---|
345 | } |
---|
346 | break; |
---|
347 | case PLANE_ZY: { |
---|
348 | if (aspect > 1.0) { |
---|
349 | if (size[2] > size[1]) { |
---|
350 | scale[1] = (size[2] / aspect) / size[1]; |
---|
351 | } else { |
---|
352 | scale[2] = (size[1] * aspect) / size[2]; |
---|
353 | } |
---|
354 | } else { |
---|
355 | if (size[1] > size[2]) { |
---|
356 | scale[2] = (size[1] * aspect) / size[2]; |
---|
357 | } else { |
---|
358 | scale[1] = (size[2] / aspect) / size[1]; |
---|
359 | } |
---|
360 | } |
---|
361 | } |
---|
362 | break; |
---|
363 | case PLANE_XZ: { |
---|
364 | if (aspect > 1.0) { |
---|
365 | if (size[0] > size[2]) { |
---|
366 | scale[2] = (size[0] / aspect) / size[2]; |
---|
367 | } else { |
---|
368 | scale[0] = (size[2] * aspect) / size[0]; |
---|
369 | } |
---|
370 | } else { |
---|
371 | if (size[2] > size[0]) { |
---|
372 | scale[0] = (size[2] * aspect) / size[0]; |
---|
373 | } else { |
---|
374 | scale[2] = (size[0] / aspect) / size[2]; |
---|
375 | } |
---|
376 | } |
---|
377 | } |
---|
378 | default: |
---|
379 | break; |
---|
380 | } |
---|
381 | } |
---|
382 | |
---|
383 | TRACE("obj %g,%g,%g", size[0], size[1], size[2]); |
---|
384 | TRACE("Setting scale to %g,%g,%g", scale[0], scale[1], scale[2]); |
---|
385 | setScale(scale); |
---|
386 | } |
---|
387 | |
---|
388 | /** |
---|
389 | * \brief Get the prop scaling |
---|
390 | * |
---|
391 | * \param[out] scale Scaling in x,y,z |
---|
392 | */ |
---|
393 | virtual void getScale(double scale[3]) |
---|
394 | { |
---|
395 | if (getProp3D() != NULL) { |
---|
396 | getProp3D()->GetScale(scale); |
---|
397 | } else { |
---|
398 | scale[0] = scale[1] = scale[2] = 1.0; |
---|
399 | } |
---|
400 | } |
---|
401 | |
---|
402 | /** |
---|
403 | * \brief Set the prop scaling |
---|
404 | * |
---|
405 | * \param[in] scale Scaling in x,y,z |
---|
406 | */ |
---|
407 | virtual void setScale(double scale[3]) |
---|
408 | { |
---|
409 | if (getProp3D() != NULL) { |
---|
410 | getProp3D()->SetScale(scale); |
---|
411 | } |
---|
412 | } |
---|
413 | |
---|
414 | /** |
---|
415 | * \brief Get the physical bounds of the prop |
---|
416 | * |
---|
417 | * If the prop is scaled, these bounds will be |
---|
418 | * scaled as well |
---|
419 | */ |
---|
420 | virtual double *getBounds() |
---|
421 | { |
---|
422 | if (getProp() != NULL) |
---|
423 | return getProp()->GetBounds(); |
---|
424 | else |
---|
425 | return NULL; |
---|
426 | } |
---|
427 | |
---|
428 | /** |
---|
429 | * \brief Get the data bounds of the prop |
---|
430 | * |
---|
431 | * If the prop is scaled, these bounds will NOT |
---|
432 | * be scaled, they will reflect the unscaled data |
---|
433 | * bounds. |
---|
434 | */ |
---|
435 | virtual double *getUnscaledBounds() |
---|
436 | { |
---|
437 | if (getProp3D() != NULL) { |
---|
438 | double scale[3]; |
---|
439 | getProp3D()->GetScale(scale); |
---|
440 | if (scale[0] == scale[1] && scale[1] == scale[2] && |
---|
441 | scale[0] == 1.0) { |
---|
442 | return getBounds(); |
---|
443 | } else if (getBounds() != NULL) { |
---|
444 | _unscaledBounds[0] = getBounds()[0] / scale[0]; |
---|
445 | _unscaledBounds[1] = getBounds()[1] / scale[0]; |
---|
446 | _unscaledBounds[2] = getBounds()[2] / scale[1]; |
---|
447 | _unscaledBounds[3] = getBounds()[3] / scale[1]; |
---|
448 | _unscaledBounds[4] = getBounds()[4] / scale[2]; |
---|
449 | _unscaledBounds[5] = getBounds()[5] / scale[2]; |
---|
450 | return _unscaledBounds; |
---|
451 | } |
---|
452 | } |
---|
453 | return getBounds(); |
---|
454 | } |
---|
455 | |
---|
456 | /** |
---|
457 | * \brief Toggle visibility of the prop |
---|
458 | */ |
---|
459 | virtual void setVisibility(bool state) |
---|
460 | { |
---|
461 | if (_prop != NULL) |
---|
462 | _prop->SetVisibility((state ? 1 : 0)); |
---|
463 | } |
---|
464 | |
---|
465 | /** |
---|
466 | * \brief Get visibility state of the prop |
---|
467 | */ |
---|
468 | virtual bool getVisibility() |
---|
469 | { |
---|
470 | if (_prop != NULL && |
---|
471 | _prop->GetVisibility() != 0) { |
---|
472 | return true; |
---|
473 | } else { |
---|
474 | return false; |
---|
475 | } |
---|
476 | } |
---|
477 | |
---|
478 | /** |
---|
479 | * \brief Set the opacity of the object |
---|
480 | * |
---|
481 | * The prop must be a vtkActor or vtkAssembly |
---|
482 | */ |
---|
483 | virtual void setOpacity(double opacity) |
---|
484 | { |
---|
485 | _opacity = opacity; |
---|
486 | if (getActor() != NULL) { |
---|
487 | getActor()->GetProperty()->SetOpacity(opacity); |
---|
488 | if (_faceCulling && _opacity < 1.0) { |
---|
489 | setCulling(getActor()->GetProperty(), false); |
---|
490 | TRACE("Culling off"); |
---|
491 | } else if (_faceCulling && _opacity == 1.0) { |
---|
492 | setCulling(getActor()->GetProperty(), true); |
---|
493 | TRACE("Culling on"); |
---|
494 | } |
---|
495 | } else if (getAssembly() != NULL) { |
---|
496 | vtkProp3DCollection *props = getAssembly()->GetParts(); |
---|
497 | vtkProp3D *prop; |
---|
498 | props->InitTraversal(); |
---|
499 | while ((prop = props->GetNextProp3D()) != NULL) { |
---|
500 | if (vtkActor::SafeDownCast(prop) != NULL) { |
---|
501 | vtkActor::SafeDownCast(prop)->GetProperty()->SetOpacity(opacity); |
---|
502 | if (_faceCulling && _opacity < 1.0) { |
---|
503 | setCulling(vtkActor::SafeDownCast(prop)->GetProperty(), false); |
---|
504 | TRACE("Culling off"); |
---|
505 | } else if (_faceCulling && _opacity == 1.0) { |
---|
506 | setCulling(vtkActor::SafeDownCast(prop)->GetProperty(), true); |
---|
507 | TRACE("Culling on"); |
---|
508 | } |
---|
509 | } else if (vtkImageActor::SafeDownCast(prop) != NULL) { |
---|
510 | vtkImageActor::SafeDownCast(prop)->GetProperty()->SetOpacity(opacity); |
---|
511 | } |
---|
512 | } |
---|
513 | } else if (getImageActor() != NULL) { |
---|
514 | getImageActor()->GetProperty()->SetOpacity(_opacity); |
---|
515 | } |
---|
516 | } |
---|
517 | |
---|
518 | /** |
---|
519 | * \brief Get the opacity of the object |
---|
520 | */ |
---|
521 | inline double getOpacity() |
---|
522 | { |
---|
523 | return _opacity; |
---|
524 | } |
---|
525 | |
---|
526 | /** |
---|
527 | * \brief Set the ambient material coefficient |
---|
528 | */ |
---|
529 | virtual void setAmbient(double ambient) |
---|
530 | { |
---|
531 | if (getActor() != NULL) { |
---|
532 | getActor()->GetProperty()->SetAmbient(ambient); |
---|
533 | } else if (getImageActor() != NULL) { |
---|
534 | getImageActor()->GetProperty()->SetAmbient(ambient); |
---|
535 | } else if (getVolume() != NULL) { |
---|
536 | getVolume()->GetProperty()->SetAmbient(ambient); |
---|
537 | } else if (getAssembly() != NULL) { |
---|
538 | vtkProp3DCollection *props = getAssembly()->GetParts(); |
---|
539 | vtkProp3D *prop; |
---|
540 | props->InitTraversal(); |
---|
541 | while ((prop = props->GetNextProp3D()) != NULL) { |
---|
542 | if (vtkActor::SafeDownCast(prop) != NULL) { |
---|
543 | vtkActor::SafeDownCast(prop)->GetProperty()->SetAmbient(ambient); |
---|
544 | } else if (vtkImageActor::SafeDownCast(prop) != NULL) { |
---|
545 | vtkImageActor::SafeDownCast(prop)->GetProperty()->SetAmbient(ambient); |
---|
546 | } else if (vtkVolume::SafeDownCast(prop) != NULL) { |
---|
547 | vtkVolume::SafeDownCast(prop)->GetProperty()->SetAmbient(ambient); |
---|
548 | } |
---|
549 | } |
---|
550 | } |
---|
551 | } |
---|
552 | |
---|
553 | /** |
---|
554 | * \brief Set the diffuse material coefficient |
---|
555 | */ |
---|
556 | virtual void setDiffuse(double diffuse) |
---|
557 | { |
---|
558 | if (getActor() != NULL) { |
---|
559 | getActor()->GetProperty()->SetDiffuse(diffuse); |
---|
560 | } else if (getImageActor() != NULL) { |
---|
561 | getImageActor()->GetProperty()->SetDiffuse(diffuse); |
---|
562 | } else if (getVolume() != NULL) { |
---|
563 | getVolume()->GetProperty()->SetDiffuse(diffuse); |
---|
564 | } else if (getAssembly() != NULL) { |
---|
565 | vtkProp3DCollection *props = getAssembly()->GetParts(); |
---|
566 | vtkProp3D *prop; |
---|
567 | props->InitTraversal(); |
---|
568 | while ((prop = props->GetNextProp3D()) != NULL) { |
---|
569 | if (vtkActor::SafeDownCast(prop) != NULL) { |
---|
570 | vtkActor::SafeDownCast(prop)->GetProperty()->SetDiffuse(diffuse); |
---|
571 | } else if (vtkImageActor::SafeDownCast(prop) != NULL) { |
---|
572 | vtkImageActor::SafeDownCast(prop)->GetProperty()->SetDiffuse(diffuse); |
---|
573 | } else if (vtkVolume::SafeDownCast(prop) != NULL) { |
---|
574 | vtkVolume::SafeDownCast(prop)->GetProperty()->SetDiffuse(diffuse); |
---|
575 | } |
---|
576 | } |
---|
577 | } |
---|
578 | } |
---|
579 | |
---|
580 | /** |
---|
581 | * \brief Set the specular material coefficient and power |
---|
582 | */ |
---|
583 | virtual void setSpecular(double coeff, double power) |
---|
584 | { |
---|
585 | if (getActor() != NULL) { |
---|
586 | getActor()->GetProperty()->SetSpecular(coeff); |
---|
587 | getActor()->GetProperty()->SetSpecularPower(power); |
---|
588 | } else if (getVolume() != NULL) { |
---|
589 | getVolume()->GetProperty()->SetSpecular(coeff); |
---|
590 | getVolume()->GetProperty()->SetSpecularPower(power); |
---|
591 | } else if (getAssembly() != NULL) { |
---|
592 | vtkProp3DCollection *props = getAssembly()->GetParts(); |
---|
593 | vtkProp3D *prop; |
---|
594 | props->InitTraversal(); |
---|
595 | while ((prop = props->GetNextProp3D()) != NULL) { |
---|
596 | if (vtkActor::SafeDownCast(prop) != NULL) { |
---|
597 | vtkActor::SafeDownCast(prop)->GetProperty()->SetSpecular(coeff); |
---|
598 | vtkActor::SafeDownCast(prop)->GetProperty()->SetSpecularPower(power); |
---|
599 | } else if (vtkVolume::SafeDownCast(prop) != NULL) { |
---|
600 | vtkVolume::SafeDownCast(prop)->GetProperty()->SetSpecular(coeff); |
---|
601 | vtkVolume::SafeDownCast(prop)->GetProperty()->SetSpecularPower(power); |
---|
602 | } |
---|
603 | } |
---|
604 | } |
---|
605 | } |
---|
606 | |
---|
607 | /** |
---|
608 | * \brief Set material properties (coefficients and specular power) of object |
---|
609 | */ |
---|
610 | virtual void setMaterial(double ambient, double diffuse, double specular, double specPower) |
---|
611 | { |
---|
612 | if (getActor() != NULL) { |
---|
613 | vtkProperty *property = getActor()->GetProperty(); |
---|
614 | property->SetAmbient(ambient); |
---|
615 | property->SetDiffuse(diffuse); |
---|
616 | property->SetSpecular(specular); |
---|
617 | property->SetSpecularPower(specPower); |
---|
618 | } else if (getImageActor() != NULL) { |
---|
619 | vtkImageProperty *property = getImageActor()->GetProperty(); |
---|
620 | property->SetAmbient(ambient); |
---|
621 | property->SetDiffuse(diffuse); |
---|
622 | } else if (getVolume() != NULL) { |
---|
623 | vtkVolumeProperty *property = getVolume()->GetProperty(); |
---|
624 | property->SetAmbient(ambient); |
---|
625 | property->SetDiffuse(diffuse); |
---|
626 | property->SetSpecular(specular); |
---|
627 | property->SetSpecularPower(specPower); |
---|
628 | } else if (getAssembly() != NULL) { |
---|
629 | vtkProp3DCollection *props = getAssembly()->GetParts(); |
---|
630 | vtkProp3D *prop; |
---|
631 | props->InitTraversal(); |
---|
632 | while ((prop = props->GetNextProp3D()) != NULL) { |
---|
633 | if (vtkActor::SafeDownCast(prop) != NULL) { |
---|
634 | vtkProperty *property = vtkActor::SafeDownCast(prop)->GetProperty(); |
---|
635 | property->SetAmbient(ambient); |
---|
636 | property->SetDiffuse(diffuse); |
---|
637 | property->SetSpecular(specular); |
---|
638 | property->SetSpecularPower(specPower); |
---|
639 | } else if (vtkImageActor::SafeDownCast(prop) != NULL) { |
---|
640 | vtkImageProperty *property = vtkImageActor::SafeDownCast(prop)->GetProperty(); |
---|
641 | property->SetAmbient(ambient); |
---|
642 | property->SetDiffuse(diffuse); |
---|
643 | } else if (vtkVolume::SafeDownCast(prop) != NULL) { |
---|
644 | vtkVolumeProperty *property = vtkVolume::SafeDownCast(prop)->GetProperty(); |
---|
645 | property->SetAmbient(ambient); |
---|
646 | property->SetDiffuse(diffuse); |
---|
647 | property->SetSpecular(specular); |
---|
648 | property->SetSpecularPower(specPower); |
---|
649 | } |
---|
650 | } |
---|
651 | } |
---|
652 | } |
---|
653 | |
---|
654 | /** |
---|
655 | * \brief Set the material color (sets ambient, diffuse, and specular) |
---|
656 | */ |
---|
657 | virtual void setColor(float color[3]) |
---|
658 | { |
---|
659 | for (int i = 0; i < 3; i++) |
---|
660 | _color[i] = color[i]; |
---|
661 | if (getActor() != NULL) { |
---|
662 | getActor()->GetProperty()->SetColor(color[0], color[1], color[2]); |
---|
663 | } else if (getAssembly() != NULL) { |
---|
664 | vtkProp3DCollection *props = getAssembly()->GetParts(); |
---|
665 | vtkProp3D *prop; |
---|
666 | props->InitTraversal(); |
---|
667 | while ((prop = props->GetNextProp3D()) != NULL) { |
---|
668 | if (vtkActor::SafeDownCast(prop) != NULL) { |
---|
669 | vtkActor::SafeDownCast(prop)->GetProperty()->SetColor(color[0], color[1], color[2]); |
---|
670 | } |
---|
671 | } |
---|
672 | } |
---|
673 | } |
---|
674 | |
---|
675 | /** |
---|
676 | * \brief Set the material ambient color |
---|
677 | */ |
---|
678 | virtual void setAmbientColor(float color[3]) |
---|
679 | { |
---|
680 | if (getActor() != NULL) { |
---|
681 | getActor()->GetProperty()->SetAmbientColor(color[0], color[1], color[2]); |
---|
682 | } else if (getAssembly() != NULL) { |
---|
683 | vtkProp3DCollection *props = getAssembly()->GetParts(); |
---|
684 | vtkProp3D *prop; |
---|
685 | props->InitTraversal(); |
---|
686 | while ((prop = props->GetNextProp3D()) != NULL) { |
---|
687 | if (vtkActor::SafeDownCast(prop) != NULL) { |
---|
688 | vtkActor::SafeDownCast(prop)->GetProperty()->SetAmbientColor(color[0], color[1], color[2]); |
---|
689 | } |
---|
690 | } |
---|
691 | } |
---|
692 | } |
---|
693 | |
---|
694 | /** |
---|
695 | * \brief Set the material diffuse color |
---|
696 | */ |
---|
697 | virtual void setDiffuseColor(float color[3]) |
---|
698 | { |
---|
699 | if (getActor() != NULL) { |
---|
700 | getActor()->GetProperty()->SetDiffuseColor(color[0], color[1], color[2]); |
---|
701 | } else if (getAssembly() != NULL) { |
---|
702 | vtkProp3DCollection *props = getAssembly()->GetParts(); |
---|
703 | vtkProp3D *prop; |
---|
704 | props->InitTraversal(); |
---|
705 | while ((prop = props->GetNextProp3D()) != NULL) { |
---|
706 | if (vtkActor::SafeDownCast(prop) != NULL) { |
---|
707 | vtkActor::SafeDownCast(prop)->GetProperty()->SetDiffuseColor(color[0], color[1], color[2]); |
---|
708 | } |
---|
709 | } |
---|
710 | } |
---|
711 | } |
---|
712 | |
---|
713 | /** |
---|
714 | * \brief Set the material specular color |
---|
715 | */ |
---|
716 | virtual void setSpecularColor(float color[3]) |
---|
717 | { |
---|
718 | if (getActor() != NULL) { |
---|
719 | getActor()->GetProperty()->SetSpecularColor(color[0], color[1], color[2]); |
---|
720 | } else if (getAssembly() != NULL) { |
---|
721 | vtkProp3DCollection *props = getAssembly()->GetParts(); |
---|
722 | vtkProp3D *prop; |
---|
723 | props->InitTraversal(); |
---|
724 | while ((prop = props->GetNextProp3D()) != NULL) { |
---|
725 | if (vtkActor::SafeDownCast(prop) != NULL) { |
---|
726 | vtkActor::SafeDownCast(prop)->GetProperty()->SetSpecularColor(color[0], color[1], color[2]); |
---|
727 | } |
---|
728 | } |
---|
729 | } |
---|
730 | } |
---|
731 | |
---|
732 | /** |
---|
733 | * \brief Toggle lighting of the prop |
---|
734 | */ |
---|
735 | virtual void setLighting(bool state) |
---|
736 | { |
---|
737 | _lighting = state; |
---|
738 | if (getActor() != NULL) { |
---|
739 | getActor()->GetProperty()->SetLighting((state ? 1 : 0)); |
---|
740 | } else if (getVolume() != NULL) { |
---|
741 | getVolume()->GetProperty()->SetShade((state ? 1 : 0)); |
---|
742 | } else if (getAssembly() != NULL) { |
---|
743 | vtkProp3DCollection *props = getAssembly()->GetParts(); |
---|
744 | vtkProp3D *prop; |
---|
745 | props->InitTraversal(); |
---|
746 | while ((prop = props->GetNextProp3D()) != NULL) { |
---|
747 | if (vtkActor::SafeDownCast(prop) != NULL) { |
---|
748 | vtkActor::SafeDownCast(prop)->GetProperty()->SetLighting((state ? 1 : 0)); |
---|
749 | } else if (vtkVolume::SafeDownCast(prop) != NULL) { |
---|
750 | vtkVolume::SafeDownCast(prop)->GetProperty()->SetShade((state ? 1 : 0)); |
---|
751 | } |
---|
752 | } |
---|
753 | } |
---|
754 | } |
---|
755 | |
---|
756 | /** |
---|
757 | * \brief Set shading interpolation model of the prop |
---|
758 | */ |
---|
759 | virtual void setShadingModel(ShadingModel state) |
---|
760 | { |
---|
761 | if (getActor() != NULL) { |
---|
762 | getActor()->GetProperty()->SetInterpolation(state); |
---|
763 | } else if (getAssembly() != NULL) { |
---|
764 | vtkProp3DCollection *props = getAssembly()->GetParts(); |
---|
765 | vtkProp3D *prop; |
---|
766 | props->InitTraversal(); |
---|
767 | while ((prop = props->GetNextProp3D()) != NULL) { |
---|
768 | if (vtkActor::SafeDownCast(prop) != NULL) { |
---|
769 | vtkActor::SafeDownCast(prop)->GetProperty()->SetInterpolation(state); |
---|
770 | } |
---|
771 | } |
---|
772 | } |
---|
773 | } |
---|
774 | |
---|
775 | /** |
---|
776 | * \brief Toggle drawing of edges |
---|
777 | */ |
---|
778 | virtual void setEdgeVisibility(bool state) |
---|
779 | { |
---|
780 | if (getActor() != NULL) { |
---|
781 | getActor()->GetProperty()->SetEdgeVisibility((state ? 1 : 0)); |
---|
782 | } else if (getAssembly() != NULL) { |
---|
783 | vtkProp3DCollection *props = getAssembly()->GetParts(); |
---|
784 | vtkProp3D *prop; |
---|
785 | props->InitTraversal(); |
---|
786 | while ((prop = props->GetNextProp3D()) != NULL) { |
---|
787 | if (vtkActor::SafeDownCast(prop) != NULL) { |
---|
788 | vtkActor::SafeDownCast(prop)->GetProperty()->SetEdgeVisibility((state ? 1 : 0)); |
---|
789 | } |
---|
790 | } |
---|
791 | } |
---|
792 | } |
---|
793 | |
---|
794 | /** |
---|
795 | * \brief Set color of edges |
---|
796 | */ |
---|
797 | virtual void setEdgeColor(float color[3]) |
---|
798 | { |
---|
799 | for (int i = 0; i < 3; i++) |
---|
800 | _edgeColor[i] = color[i]; |
---|
801 | if (getActor() != NULL) { |
---|
802 | getActor()->GetProperty()->SetEdgeColor(color[0], color[1], color[2]); |
---|
803 | } else if (getAssembly() != NULL) { |
---|
804 | vtkProp3DCollection *props = getAssembly()->GetParts(); |
---|
805 | vtkProp3D *prop; |
---|
806 | props->InitTraversal(); |
---|
807 | while ((prop = props->GetNextProp3D()) != NULL) { |
---|
808 | if (vtkActor::SafeDownCast(prop) != NULL) { |
---|
809 | vtkActor::SafeDownCast(prop)->GetProperty()->SetEdgeColor(color[0], color[1], color[2]); |
---|
810 | } |
---|
811 | } |
---|
812 | } |
---|
813 | } |
---|
814 | |
---|
815 | /** |
---|
816 | * \brief Set pixel width of edges |
---|
817 | * |
---|
818 | * NOTE: May be a no-op if OpenGL implementation doesn't support wide lines |
---|
819 | */ |
---|
820 | virtual void setEdgeWidth(float width) |
---|
821 | { |
---|
822 | _edgeWidth = width; |
---|
823 | if (getActor() != NULL) { |
---|
824 | getActor()->GetProperty()->SetLineWidth(width); |
---|
825 | } else if (getAssembly() != NULL) { |
---|
826 | vtkProp3DCollection *props = getAssembly()->GetParts(); |
---|
827 | vtkProp3D *prop; |
---|
828 | props->InitTraversal(); |
---|
829 | while ((prop = props->GetNextProp3D()) != NULL) { |
---|
830 | if (vtkActor::SafeDownCast(prop) != NULL) { |
---|
831 | vtkActor::SafeDownCast(prop)->GetProperty()->SetLineWidth(width); |
---|
832 | } |
---|
833 | } |
---|
834 | } |
---|
835 | } |
---|
836 | |
---|
837 | /** |
---|
838 | * \brief Set point size |
---|
839 | * |
---|
840 | * NOTE: May be a no-op if OpenGL implementation doesn't support wide points |
---|
841 | */ |
---|
842 | virtual void setPointSize(float size) |
---|
843 | { |
---|
844 | _pointSize = size; |
---|
845 | if (getActor() != NULL) { |
---|
846 | getActor()->GetProperty()->SetPointSize(size); |
---|
847 | } else if (getAssembly() != NULL) { |
---|
848 | vtkProp3DCollection *props = getAssembly()->GetParts(); |
---|
849 | vtkProp3D *prop; |
---|
850 | props->InitTraversal(); |
---|
851 | while ((prop = props->GetNextProp3D()) != NULL) { |
---|
852 | if (vtkActor::SafeDownCast(prop) != NULL) { |
---|
853 | vtkActor::SafeDownCast(prop)->GetProperty()->SetPointSize(size); |
---|
854 | } |
---|
855 | } |
---|
856 | } |
---|
857 | } |
---|
858 | |
---|
859 | /** |
---|
860 | * \brief Toggle wireframe rendering of prop |
---|
861 | */ |
---|
862 | virtual void setWireframe(bool state) |
---|
863 | { |
---|
864 | if (getActor() != NULL) { |
---|
865 | if (state) { |
---|
866 | getActor()->GetProperty()->SetRepresentationToWireframe(); |
---|
867 | getActor()->GetProperty()->LightingOff(); |
---|
868 | } else { |
---|
869 | getActor()->GetProperty()->SetRepresentationToSurface(); |
---|
870 | setLighting(_lighting); |
---|
871 | } |
---|
872 | } else if (getAssembly() != NULL) { |
---|
873 | vtkProp3DCollection *props = getAssembly()->GetParts(); |
---|
874 | vtkProp3D *prop; |
---|
875 | props->InitTraversal(); |
---|
876 | while ((prop = props->GetNextProp3D()) != NULL) { |
---|
877 | if (vtkActor::SafeDownCast(prop) != NULL) { |
---|
878 | if (state) { |
---|
879 | vtkActor::SafeDownCast(prop)->GetProperty()->SetRepresentationToWireframe(); |
---|
880 | vtkActor::SafeDownCast(prop)->GetProperty()->LightingOff(); |
---|
881 | } else { |
---|
882 | vtkActor::SafeDownCast(prop)->GetProperty()->SetRepresentationToSurface(); |
---|
883 | vtkActor::SafeDownCast(prop)->GetProperty()->SetLighting((_lighting ? 1 : 0)); |
---|
884 | } |
---|
885 | } |
---|
886 | } |
---|
887 | } |
---|
888 | } |
---|
889 | |
---|
890 | /** |
---|
891 | * \brief Toggle culling of selected CullFace |
---|
892 | */ |
---|
893 | virtual void setCulling(bool state) |
---|
894 | { |
---|
895 | _faceCulling = state; |
---|
896 | if (state && _opacity < 1.0) |
---|
897 | return; |
---|
898 | if (getActor() != NULL) { |
---|
899 | setCulling(getActor()->GetProperty(), state); |
---|
900 | } else if (getAssembly() != NULL) { |
---|
901 | vtkProp3DCollection *props = getAssembly()->GetParts(); |
---|
902 | vtkProp3D *prop; |
---|
903 | props->InitTraversal(); |
---|
904 | while ((prop = props->GetNextProp3D()) != NULL) { |
---|
905 | if (vtkActor::SafeDownCast(prop) != NULL) { |
---|
906 | setCulling(vtkActor::SafeDownCast(prop)->GetProperty(), state); |
---|
907 | } |
---|
908 | } |
---|
909 | } |
---|
910 | } |
---|
911 | |
---|
912 | /** |
---|
913 | * \brief Specify which face(s) to cull when culling is enabled |
---|
914 | */ |
---|
915 | virtual void setCullFace(CullFace cull) |
---|
916 | { |
---|
917 | _cullFace = cull; |
---|
918 | setCulling(_faceCulling); |
---|
919 | } |
---|
920 | |
---|
921 | /** |
---|
922 | * \brief Subclasses need to implement setting clipping planes in their mappers |
---|
923 | */ |
---|
924 | virtual void setClippingPlanes(vtkPlaneCollection *planes) = 0; |
---|
925 | |
---|
926 | protected: |
---|
927 | /** |
---|
928 | * \brief Create and initialize a VTK Prop to render the object |
---|
929 | */ |
---|
930 | virtual void initProp() |
---|
931 | { |
---|
932 | if (_prop == NULL) { |
---|
933 | _prop = vtkSmartPointer<vtkActor>::New(); |
---|
934 | vtkProperty *property = getActor()->GetProperty(); |
---|
935 | property->SetColor(_color[0], _color[1], _color[2]); |
---|
936 | property->SetEdgeColor(_edgeColor[0], _edgeColor[1], _edgeColor[2]); |
---|
937 | property->SetLineWidth(_edgeWidth); |
---|
938 | property->SetPointSize(_pointSize); |
---|
939 | property->EdgeVisibilityOff(); |
---|
940 | if (_dataSet != NULL) |
---|
941 | _opacity = _dataSet->getOpacity(); |
---|
942 | property->SetOpacity(_opacity); |
---|
943 | property->SetAmbient(.2); |
---|
944 | if (!_lighting) |
---|
945 | property->LightingOff(); |
---|
946 | if (_faceCulling && _opacity == 1.0) { |
---|
947 | setCulling(property, true); |
---|
948 | } |
---|
949 | if (_dataSet != NULL) |
---|
950 | setVisibility(_dataSet->getVisibility()); |
---|
951 | } |
---|
952 | } |
---|
953 | |
---|
954 | /** |
---|
955 | * \brief Subclasses implement this to create the VTK pipeline |
---|
956 | * on a state change (e.g. new DataSet) |
---|
957 | */ |
---|
958 | virtual void update() = 0; |
---|
959 | |
---|
960 | /** |
---|
961 | * \brief Convenience method to set culling state on a vtkProperty |
---|
962 | * |
---|
963 | * Note: Does not change the culling state flag of this GraphicsObject |
---|
964 | */ |
---|
965 | virtual void setCulling(vtkProperty *property, bool state) |
---|
966 | { |
---|
967 | switch (_cullFace) { |
---|
968 | case CULL_FRONT: |
---|
969 | property->SetFrontfaceCulling((state ? 1 : 0)); |
---|
970 | property->BackfaceCullingOff(); |
---|
971 | break; |
---|
972 | case CULL_BACK: |
---|
973 | property->SetBackfaceCulling((state ? 1 : 0)); |
---|
974 | property->FrontfaceCullingOff(); |
---|
975 | break; |
---|
976 | case CULL_FRONT_AND_BACK: |
---|
977 | property->SetBackfaceCulling((state ? 1 : 0)); |
---|
978 | property->SetFrontfaceCulling((state ? 1 : 0)); |
---|
979 | break; |
---|
980 | } |
---|
981 | } |
---|
982 | |
---|
983 | DataSet *_dataSet; |
---|
984 | double _dataRange[2]; |
---|
985 | double _unscaledBounds[6]; |
---|
986 | double _opacity; |
---|
987 | float _color[3]; |
---|
988 | float _edgeColor[3]; |
---|
989 | float _edgeWidth; |
---|
990 | float _pointSize; |
---|
991 | bool _lighting; |
---|
992 | CullFace _cullFace; |
---|
993 | bool _faceCulling; |
---|
994 | |
---|
995 | vtkSmartPointer<vtkProp> _prop; |
---|
996 | }; |
---|
997 | |
---|
998 | } |
---|
999 | |
---|
1000 | #endif |
---|