| Geant4 Cross Reference |
1 //
2 // ********************************************************************
3 // * License and Disclaimer *
4 // * *
5 // * The Geant4 software is copyright of the Copyright Holders of *
6 // * the Geant4 Collaboration. It is provided under the terms and *
7 // * conditions of the Geant4 Software License, included in the file *
8 // * LICENSE and available at http://cern.ch/geant4/license . These *
9 // * include a list of copyright holders. *
10 // * *
11 // * Neither the authors of this software system, nor their employing *
12 // * institutes,nor the agencies providing financial support for this *
13 // * work make any representation or warranty, express or implied, *
14 // * regarding this software system or assume any liability for its *
15 // * use. Please see the license in the file LICENSE and URL above *
16 // * for the full disclaimer and the limitation of liability. *
17 // * *
18 // * This code implementation is the result of the scientific and *
19 // * technical work of the GEANT4 collaboration. *
20 // * By using, copying, modifying or distributing the software (or *
21 // * any work based on the software) you agree to acknowledge its *
22 // * use in resulting scientific publications, and indicate your *
23 // * acceptance of all terms of the Geant4 Software license. *
24 // ********************************************************************
25 //
26
27 // 03-MAY-2021 F.W. Jones: removed the camera sensor which is redundant
28 // since the group node sensor receives all camera motion events and
29 // can update the view parameters, irrespective of any changes to the
30 // camera type.
31
32 // this :
33 #include "G4OpenInventorViewer.hh"
34
35 #include <Inventor/nodes/SoSelection.h>
36 #include <Inventor/nodes/SoShape.h>
37 #include <Inventor/nodes/SoOrthographicCamera.h>
38 #include <Inventor/nodes/SoPerspectiveCamera.h>
39 #include <Inventor/actions/SoCallbackAction.h>
40 #include <Inventor/actions/SoWriteAction.h>
41 #include <Inventor/sensors/SoNodeSensor.h>
42
43 #include "HEPVis/nodes/SoImageWriter.h"
44 #include "HEPVis/actions/SoGL2PSAction.h"
45 #include "HEPVis/actions/SoCounterAction.h"
46 #include "HEPVis/actions/SoAlternateRepAction.h"
47
48 #include "G4OpenInventor.hh"
49 #include "G4OpenInventorSceneHandler.hh"
50 #include "G4VInteractorManager.hh"
51 #include "G4Scene.hh"
52 #include "Geant4_SoPolyhedron.h"
53 #include "G4AttValue.hh"
54 #include "G4AttDef.hh"
55 #include "G4AttCheck.hh"
56 #include "G4AttHolder.hh"
57
58 G4OpenInventorViewer::G4OpenInventorViewer(
59 G4OpenInventorSceneHandler& sceneHandler
60 ,const G4String& name)
61 :G4VViewer(sceneHandler, sceneHandler.IncrementViewCount(), name)
62 ,fG4OpenInventorSceneHandler(sceneHandler)
63 ,fInteractorManager(0)
64 ,fSoSelection(0)
65 ,fSoImageWriter(0)
66 ,fGL2PSAction(0) //To be set be suclass.
67 ,fGroupCameraSensor(0)
68 //,fCameraSensor(0)
69 {
70 fVP.SetAutoRefresh(true);
71 fDefaultVP.SetAutoRefresh(true);
72 fVP.SetPicking(true);
73 fDefaultVP.SetPicking(true);
74
75 //FIXME : G.Barrand : not convinced that we have to rm culling.
76 // For viewing of all objects by default :
77 //fDefaultVP.SetCulling(false);
78 //fVP.SetCulling(false);
79
80 fInteractorManager =
81 ((G4OpenInventor*)fG4OpenInventorSceneHandler.GetGraphicsSystem())->
82 GetInteractorManager();
83
84 // Main user scene graph root sent to the viewers.
85 fSoSelection = new SoSelection;
86 fSoSelection->ref();
87 fSoSelection->addSelectionCallback(SelectionCB,this);
88 //fSoSelection->addDeselectionCallback(DeselectionCB,this);
89 fSoSelection->policy = SoSelection::SINGLE;
90
91 SoGroup* group = new SoGroup;
92 fSoSelection->addChild(group);
93
94 // Have a camera under fSoSelection in order
95 // that the below SceneGraphSensor be notifed
96 // when the viewer changes the camera type.
97 // But we put the camera under a SoGroup so that
98 // the SceneGraphSensor be not triggered at each change
99 // under the fG4OpenInventorSceneHandler.fRoot.
100 SoOrthographicCamera* camera = new SoOrthographicCamera;
101 camera->viewportMapping.setValue(SoCamera::ADJUST_CAMERA);
102 //camera->aspectRatio.setValue(10);
103 camera->position.setValue(0,0,10);
104 camera->orientation.setValue(SbRotation(SbVec3f(0,1,0),0));
105 camera->height.setValue(10);
106 camera->nearDistance.setValue(1);
107 camera->farDistance.setValue(100);
108 camera->focalDistance.setValue(10);
109 group->addChild(camera);
110
111 {SoInput soInput;
112 if(soInput.openFile("g4view.iv",TRUE)) {
113 SoSeparator* separator = SoDB::readAll(&soInput);
114 if(separator) fSoSelection->addChild(separator);
115 }}
116
117 fSoSelection->addChild(fG4OpenInventorSceneHandler.fRoot);
118
119 // SoImageWriter should be the last.
120 fSoImageWriter = new SoImageWriter();
121 fSoImageWriter->fileName.setValue("g4out.ps");
122 fSoSelection->addChild(fSoImageWriter);
123
124 // Sensors :
125 // To detect that the viewer had changed the camera type :
126 fGroupCameraSensor = new SoNodeSensor(GroupCameraSensorCB,this);
127 fGroupCameraSensor->setPriority(0);//Needed in order to do getTriggerNode()
128 fGroupCameraSensor->attach(group);
129 // FWJ Upgraded the group sensor so the camera sensor is not needed
130 // fCameraSensor = new SoNodeSensor(CameraSensorCB,this);
131 // fCameraSensor->setPriority(0);//Needed in order to do getTriggerNode()
132 // fCameraSensor->attach(camera);
133 }
134
135 G4OpenInventorViewer::~G4OpenInventorViewer () {
136 // fCameraSensor->detach();
137 // delete fCameraSensor;
138 fGroupCameraSensor->detach();
139 delete fGroupCameraSensor;
140 fSoSelection->unref();
141 }
142
143 void G4OpenInventorViewer::KernelVisitDecision () {
144
145 // If there's a significant difference with the last view parameters
146 // of either the scene handler or this viewer, trigger a rebuild.
147
148 if (
149 //??fG4OpenInventorSceneHandler.fPODLList.size() == 0 ||
150 // We need a test for empty scene graph, such as
151 // staticRoot.size() or something?????????? See temporary fix
152 // in contructor. (John Allison Aug 2001)
153 CompareForKernelVisit(fLastVP)) {
154 NeedKernelVisit ();
155 }
156 }
157
158 G4bool G4OpenInventorViewer::CompareForKernelVisit(G4ViewParameters& vp) {
159
160 if (
161 (vp.GetDrawingStyle () != fVP.GetDrawingStyle ()) ||
162 (vp.GetNumberOfCloudPoints() != fVP.GetNumberOfCloudPoints()) ||
163 (vp.IsAuxEdgeVisible () != fVP.IsAuxEdgeVisible ()) ||
164 (vp.IsCulling () != fVP.IsCulling ()) ||
165 (vp.IsCullingInvisible () != fVP.IsCullingInvisible ()) ||
166 (vp.IsDensityCulling () != fVP.IsDensityCulling ()) ||
167 (vp.IsCullingCovered () != fVP.IsCullingCovered ()) ||
168 (vp.GetCBDAlgorithmNumber() !=
169 fVP.GetCBDAlgorithmNumber()) ||
170 (vp.IsSection () != fVP.IsSection ()) ||
171 (vp.IsCutaway () != fVP.IsCutaway ()) ||
172 // This assumes use of generic clipping (sectioning, slicing,
173 // DCUT, cutaway). If a decision is made to implement locally,
174 // this will need changing. See G4OpenGLViewer::SetView,
175 // G4OpenGLStoredViewer.cc::CompareForKernelVisit and
176 // G4OpenGLStoredSceneHander::CreateSection/CutawayPolyhedron.
177 (vp.IsExplode () != fVP.IsExplode ()) ||
178 (vp.GetNoOfSides () != fVP.GetNoOfSides ()) ||
179 (vp.GetGlobalMarkerScale() != fVP.GetGlobalMarkerScale()) ||
180 (vp.GetGlobalLineWidthScale() != fVP.GetGlobalLineWidthScale()) ||
181 (vp.IsMarkerNotHidden () != fVP.IsMarkerNotHidden ()) ||
182 (vp.GetDefaultVisAttributes()->GetColour() !=
183 fVP.GetDefaultVisAttributes()->GetColour()) ||
184 (vp.GetDefaultTextVisAttributes()->GetColour() !=
185 fVP.GetDefaultTextVisAttributes()->GetColour()) ||
186 (vp.GetBackgroundColour ()!= fVP.GetBackgroundColour ())||
187 (vp.IsPicking () != fVP.IsPicking ()) ||
188 // Scaling for Open Inventor is done by the scene handler so it
189 // needs a kernel visit. (In this respect, it differs from the
190 // OpenGL drivers, where it's done in SetView.)
191 (vp.GetScaleFactor () != fVP.GetScaleFactor ()) ||
192 (vp.GetVisAttributesModifiers() !=
193 fVP.GetVisAttributesModifiers()) ||
194 (vp.IsSpecialMeshRendering() !=
195 fVP.IsSpecialMeshRendering()) ||
196 (vp.GetSpecialMeshRenderingOption() !=
197 fVP.GetSpecialMeshRenderingOption())
198 )
199 return true;
200
201 if (vp.IsDensityCulling () &&
202 (vp.GetVisibleDensity () != fVP.GetVisibleDensity ()))
203 return true;
204
205 if (vp.GetCBDAlgorithmNumber() > 0) {
206 if (vp.GetCBDParameters().size() != fVP.GetCBDParameters().size()) return true;
207 else if (vp.GetCBDParameters() != fVP.GetCBDParameters()) return true;
208 }
209
210 if (vp.IsSection () &&
211 (vp.GetSectionPlane () != fVP.GetSectionPlane ()))
212 return true;
213
214 if (vp.IsCutaway ()) {
215 if (vp.GetCutawayMode() != fVP.GetCutawayMode()) return true;
216 if (vp.GetCutawayPlanes ().size () !=
217 fVP.GetCutawayPlanes ().size ()) return true;
218 for (size_t i = 0; i < vp.GetCutawayPlanes().size(); ++i)
219 if (vp.GetCutawayPlanes()[i] != fVP.GetCutawayPlanes()[i])
220 return true;
221 }
222
223 if (vp.IsExplode () &&
224 (vp.GetExplodeFactor () != fVP.GetExplodeFactor ()))
225 return true;
226
227 if (vp.IsSpecialMeshRendering() &&
228 (vp.GetSpecialMeshVolumes() != fVP.GetSpecialMeshVolumes()))
229 return true;
230
231 return false;
232 }
233
234 void G4OpenInventorViewer::ClearView () {
235 }
236
237 void G4OpenInventorViewer::SetView () {
238
239 // Get G4 camera infos :
240 const G4Point3D target
241 = fSceneHandler.GetScene()->GetStandardTargetPoint()
242 + fVP.GetCurrentTargetPoint ();
243 G4double radius = fSceneHandler.GetScene()->GetExtent().GetExtentRadius();
244 if(radius<=0.) radius = 1.;
245 const G4double cameraDistance = fVP.GetCameraDistance (radius);
246 const G4Vector3D& direction = fVP.GetViewpointDirection().unit();
247 const G4Point3D cameraPosition = target + cameraDistance * direction;
248 //const G4double pnear = fVP.GetNearDistance (cameraDistance, radius);
249 //const G4double pfar = fVP.GetFarDistance (cameraDistance, pnear, radius);
250 const G4Normal3D& up = fVP.GetUpVector ();
251
252 /*
253 printf("debug : target : %g %g %g\n",target.x(),
254 target.y(),
255 target.z());
256 printf("debug : dir : %g %g %g\n",direction.x(),
257 direction.y(),
258 direction.z());
259 printf("debug : pos : %g %g %g\n",cameraPosition.x(),
260 cameraPosition.y(),
261 cameraPosition.z());
262 //printf("debug : near %g far %g\n",pnear,pfar);
263 */
264
265 SoCamera* camera = GetCamera();
266 if(!camera) return;
267
268 // viewer camera setup :
269 camera->position.setValue((float)cameraPosition.x(),
270 (float)cameraPosition.y(),
271 (float)cameraPosition.z());
272
273 SbVec3f sbTarget((float)target.x(),
274 (float)target.y(),
275 (float)target.z());
276 SbVec3f sbUp((float)up.x(),
277 (float)up.y(),
278 (float)up.z());
279 sbUp.normalize();
280 // Need Coin's camera->pointAt(sbTarget,sbUp); not in the SGI API
281 // Stole Coin's code...
282 pointAt(camera,sbTarget,sbUp);
283
284 //camera->height.setValue(10);
285 //camera->nearDistance.setValue((float)pnear);
286 //camera->farDistance.setValue((float)pfar);
287 //camera->focalDistance.setValue((float)cameraDistance);
288
289 if(camera->isOfType(SoOrthographicCamera::getClassTypeId())) {
290 if (fVP.GetFieldHalfAngle() == 0.) {
291 //FIXME : ((SoOrthographicCamera*)camera)->height.setValue();
292 //FIXME : (Don't think we have to do that.)
293 } else {
294 //FIXME : Have to set a perspective camera !
295 //FIXME : viewer->setCameraType(SoPerspectiveCamera::getClassTypeId())
296 //FIXME : ((SoPerspectiveCamera*)camera)->heightAngle.setValue
297 //FIXME : (2.*fVP.GetFieldHalfAngle());
298 }
299 } else if(camera->isOfType(SoPerspectiveCamera::getClassTypeId())) {
300 if (fVP.GetFieldHalfAngle() == 0.) {
301 //FIXME : Have to set an orthographic camera !
302 //FIXME : viewer->setCameraType(SoOrthographicCamera::getClassTypeId())
303 } else {
304 //FIXME : ((SoPerspectiveCamera*)camera)->heightAngle.setValue
305 //FIXME : (2.*fVP.GetFieldHalfAngle());
306 }
307 }
308 }
309
310 //COIN_FUNCTION_EXTENSION
311 void
312 G4OpenInventorViewer::pointAt(SoCamera* camera,const SbVec3f & targetpoint, const SbVec3f & upvector)
313 {
314 SbVec3f dir = targetpoint - camera->position.getValue();
315 if (dir.normalize() == 0.0f) return;
316 lookAt(camera,dir, upvector);
317 }
318
319 //COIN_FUNCTION
320 // Private method that calculates a new orientation based on camera
321 // direction and camera up vector. Vectors must be unit length.
322 void
323 G4OpenInventorViewer::lookAt(SoCamera* camera,const SbVec3f & dir, const SbVec3f & up)
324 {
325 SbVec3f z = -dir;
326 SbVec3f y = up;
327 SbVec3f x = y.cross(z);
328
329 // recompute y to create a valid coordinate system
330 y = z.cross(x);
331
332 // normalize x and y to create an orthonormal coord system
333 y.normalize();
334 x.normalize();
335
336 // create a rotation matrix
337 SbMatrix rot = SbMatrix::identity();
338 rot[0][0] = x[0];
339 rot[0][1] = x[1];
340 rot[0][2] = x[2];
341
342 rot[1][0] = y[0];
343 rot[1][1] = y[1];
344 rot[1][2] = y[2];
345
346 rot[2][0] = z[0];
347 rot[2][1] = z[1];
348 rot[2][2] = z[2];
349
350 camera->orientation.setValue(SbRotation(rot));
351 }
352
353 void
354 G4OpenInventorViewer::lookedAt(SoCamera* camera,SbVec3f & dir, SbVec3f & up)
355 {
356 SbRotation rot = camera->orientation.getValue();
357 SbMatrix mrot; rot.getValue(mrot);
358
359 SbVec3f x, y, z;
360
361 // create a rotation matrix
362 x[0] = mrot[0][0];
363 x[1] = mrot[0][1];
364 x[2] = mrot[0][2];
365
366 y[0] = mrot[1][0];
367 y[1] = mrot[1][1];
368 y[2] = mrot[1][2];
369
370 z[0] = mrot[2][0];
371 z[1] = mrot[2][1];
372 z[2] = mrot[2][2];
373
374 dir = -z;
375 dir.normalize();
376 up = SbVec3f(0.f,1.f,0.f); // Choose y-axis if possible.
377 if (std::abs(up.dot(z)) > 1.e-6) {
378 up = y;
379 up.normalize();
380 }
381 }
382
383 void G4OpenInventorViewer::DrawView () {
384 //G4cout << "debug Iv::DrawViewer " <<G4endl;
385 if (!fNeedKernelVisit) KernelVisitDecision();
386 fLastVP= fVP;
387 ProcessView();
388 FinishView();
389 }
390
391 void G4OpenInventorViewer::ShowView () {
392 fInteractorManager -> SecondaryLoop ();
393 }
394
395 // FWJ This sensor now performs the fVP updates
396 void G4OpenInventorViewer::GroupCameraSensorCB(void* aThis, SoSensor* aSensor)
397 {
398 G4OpenInventorViewer* This = (G4OpenInventorViewer*)aThis;
399
400 SoNode* node = ((SoNodeSensor*)aSensor)->getTriggerNode();
401 // printf("debug : GroupCameraSensorCB %s\n",
402 // node->getTypeId().getName().getString());
403
404 if(node->isOfType(SoCamera::getClassTypeId())) {
405 SoCamera* camera = (SoCamera*)node;
406
407 // FWJ DEBUG
408 // G4cout << " UPDATING fVP FROM CAMERA " << camera << G4endl;
409 SbVec3f direction, up;
410 lookedAt(camera, direction, up);
411 This->fVP.SetViewpointDirection
412 (G4Vector3D(-direction[0], -direction[1], -direction[2]));
413 This->fVP.SetUpVector(G4Vector3D(up[0], up[1], up[2]));
414
415 SbVec3f pos = camera->position.getValue();
416 SbVec3f target = pos + direction * camera->focalDistance.getValue();
417
418 This->fVP.SetCurrentTargetPoint(G4Point3D(target[0], target[1], target[2]));
419
420 // FWJ camera sensor no longer needed
421 // Viewer had changed the camera type,
422 // attach the fCameraSensor to the new camera.
423 // FWJ DEBUG
424 // G4cout << " SWITCHING TO CAMERA " << camera << G4endl;
425 // This->fCameraSensor->detach();
426 // This->fCameraSensor->attach(camera);
427 }
428
429 }
430
431 /* FWJ This sensor is no longer needed
432 void G4OpenInventorViewer::CameraSensorCB(void* aThis,SoSensor* aSensor) {
433 G4OpenInventorViewer* This = (G4OpenInventorViewer*)aThis;
434
435 // printf("debug : CameraSensorCB\n");
436
437 SoNode* node = ((SoNodeSensor*)aSensor)->getTriggerNode();
438 // printf("debug : CameraSensorCB %s\n",
439 // node->getTypeId().getName().getString());
440
441 if(node->isOfType(SoCamera::getClassTypeId())) {
442 SoCamera* camera = (SoCamera*)node;
443
444 SbVec3f direction, up;
445 lookedAt(camera,direction, up);
446 This->fVP.SetViewpointDirection
447 (G4Vector3D(-direction[0],-direction[1],-direction[2]));
448 This->fVP.SetUpVector(G4Vector3D(up[0],up[1],up[2]));
449
450 SbVec3f pos = camera->position.getValue();
451 SbVec3f target = pos + direction * camera->focalDistance.getValue();
452
453 This->fVP.SetCurrentTargetPoint(G4Point3D(target[0],target[1],target[2]));
454 }
455 }
456 */
457
458 void G4OpenInventorViewer::SelectionCB(
459 void* aThis
460 ,SoPath* aPath
461 )
462 {
463 G4OpenInventorViewer* This = (G4OpenInventorViewer*)aThis;
464 SoNode* node = ((SoFullPath*)aPath)->getTail();
465 G4AttHolder* attHolder = dynamic_cast<G4AttHolder*>(node);
466 if(attHolder && attHolder->GetAttDefs().size()) {
467 for (size_t i = 0; i < attHolder->GetAttDefs().size(); ++i) {
468 G4cout << G4AttCheck(attHolder->GetAttValues()[i],
469 attHolder->GetAttDefs()[i]);
470 }
471 } else {
472 G4String name((char*)node->getName().getString());
473 G4String cls((char*)node->getTypeId().getName().getString());
474 G4cout << "SoNode : " << node
475 << " SoType : " << cls
476 << " name : " << name
477 << G4endl;
478 G4cout << "No attributes attached." << G4endl;
479 }
480 /*FIXME : to explore (need different button - this is used for picking.
481 if(node->isOfType(Geant4_SoPolyhedron::getClassTypeId())) {
482 Geant4_SoPolyhedron* polyhedron = (Geant4_SoPolyhedron*)node;
483 if(polyhedron->solid.getValue()==FALSE)
484 polyhedron->solid.setValue(TRUE);
485 else
486 polyhedron->solid.setValue(FALSE);
487 }*/
488 This->fSoSelection->deselectAll();
489 }
490 /*
491 void G4OpenInventorViewer::DeselectionCB(
492 void* aThis
493 ,SoPath* aPath
494 )
495 {
496 //G4OpenInventorViewer* This = (G4OpenInventorViewer*)aThis;
497 G4String name((char*)aPath->getTail()->getTypeId().getName().getString());
498 G4cout << "Deselect : " << name << G4endl;
499 }
500 */
501
502 void G4OpenInventorViewer::DrawDetector() {
503 /* Replace this... - JA
504 // DrawView does a ClearStore. Do not clear the transient store :
505 SoSeparator* tmp = fG4OpenInventorSceneHandler.fTransientRoot;
506 fG4OpenInventorSceneHandler.fTransientRoot = new SoSeparator;
507 if (!fNeedKernelVisit) KernelVisitDecision();
508 ProcessView();
509 fG4OpenInventorSceneHandler.fTransientRoot->unref();
510 fG4OpenInventorSceneHandler.fTransientRoot = tmp;
511 */
512 // ...by this... - JA
513 DrawView();
514 }
515
516 //////////////////////////////////////////////////////////////////////////////
517 /// Menu items callbacks /////////////////////////////////////////////////////
518 //////////////////////////////////////////////////////////////////////////////
519
520 void G4OpenInventorViewer::Escape(){
521 G4cout << "Escape..." <<G4endl;
522 fInteractorManager->RequireExitSecondaryLoop (OIV_EXIT_CODE);
523 }
524
525 void G4OpenInventorViewer::WritePostScript(const G4String& aFile) {
526 if(!fGL2PSAction) return;
527 fGL2PSAction->setFileName(aFile.c_str());
528 fGL2PSAction->setExportImageFormat_EPS();
529 fGL2PSAction->setTitleAndProducer("Geant4 output","Geant4");
530 G4cout << "Produce " << aFile << "..." << G4endl;
531 if (fGL2PSAction->enableFileWriting()) {
532 ViewerRender();
533 fGL2PSAction->disableFileWriting();
534 }
535 }
536
537 void G4OpenInventorViewer::WritePDF(const G4String& aFile) {
538 if(!fGL2PSAction) return;
539 fGL2PSAction->setFileName(aFile.c_str());
540 fGL2PSAction->setExportImageFormat_PDF();
541 fGL2PSAction->setTitleAndProducer("Geant4 output","Geant4");
542 G4cout << "Produce " << aFile << "..." << G4endl;
543 if (fGL2PSAction->enableFileWriting()) {
544 ViewerRender();
545 fGL2PSAction->disableFileWriting();
546 }
547 }
548
549 void G4OpenInventorViewer::WritePixmapPostScript(const G4String& aFile) {
550 fSoImageWriter->fileName.setValue(aFile.c_str());
551 //imageWriter->format.setValue(SoImageWriter::POST_SCRIPT);
552 fSoImageWriter->enable();
553 ViewerRender();
554 fSoImageWriter->disable();
555 if(fSoImageWriter->getStatus()) {
556 G4cout << G4String(fSoImageWriter->fileName.getValue().getString())
557 << " produced."
558 << G4endl;
559 } else {
560 G4cout << G4String(fSoImageWriter->fileName.getValue().getString())
561 << " not produced."
562 << G4endl;
563 }
564 }
565
566 void G4OpenInventorViewer::WriteInventor(const G4String& aFile) {
567 G4cout << "Produce " << aFile << "..." << G4endl;
568
569 SbBool genAlternateRep = TRUE;
570 //SbBool binary = FALSE;
571 SbBool binary = TRUE;
572 SoAlternateRepAction alternateRepAction;
573 if(genAlternateRep==TRUE) {
574 alternateRepAction.setGenerate(TRUE); //Clear alternate reps.
575 alternateRepAction.apply(fSoSelection);
576 }
577
578 SoWriteAction writeAction;
579 writeAction.getOutput()->openFile(aFile.c_str());
580 writeAction.getOutput()->setBinary(binary);
581 writeAction.apply(fSoSelection);
582 writeAction.getOutput()->closeFile();
583
584 if(genAlternateRep==TRUE) {
585 alternateRepAction.setGenerate(FALSE); //Clear alternate reps.
586 alternateRepAction.apply(fSoSelection);
587 }
588
589
590
591 }
592
593 struct Counter {
594 int fTriangles;
595 int fLineSegments;
596 int fPoints;
597 };
598
599 static void CountTrianglesCB(
600 void* userData
601 ,SoCallbackAction*
602 ,const SoPrimitiveVertex*
603 ,const SoPrimitiveVertex*,
604 const SoPrimitiveVertex*)
605 {
606 Counter* counter = (Counter*)userData;
607 counter->fTriangles++;
608 }
609
610 static void CountLineSegmentsCB(
611 void* userData
612 ,SoCallbackAction*
613 ,const SoPrimitiveVertex*
614 ,const SoPrimitiveVertex*)
615 {
616 Counter* counter = (Counter*)userData;
617 counter->fLineSegments++;
618 }
619
620 static void CountPointsCB(
621 void* userData
622 ,SoCallbackAction*
623 ,const SoPrimitiveVertex*)
624 {
625 Counter* counter = (Counter*)userData;
626 counter->fPoints++;
627 }
628
629 void G4OpenInventorViewer::SceneGraphStatistics() {
630 Counter counter;
631 counter.fTriangles = 0;
632 counter.fLineSegments = 0;
633 counter.fPoints = 0;
634
635 SoCallbackAction callbackAction;
636 callbackAction.addTriangleCallback
637 (SoShape::getClassTypeId(),CountTrianglesCB,(void*)&counter);
638 callbackAction.addLineSegmentCallback
639 (SoShape::getClassTypeId(),CountLineSegmentsCB,(void*)&counter);
640 callbackAction.addPointCallback
641 (SoShape::getClassTypeId(),CountPointsCB,(void*)&counter);
642 callbackAction.apply(fSoSelection);
643
644 SoCounterAction counterAction;
645 counterAction.apply(fSoSelection);
646 int nodes = counterAction.getCount();
647
648 counterAction.setLookFor(SoCounterAction::TYPE);
649 counterAction.setType(SoShape::getClassTypeId());
650 counterAction.apply(fSoSelection);
651 int shapes = counterAction.getCount();
652
653 G4cout << "Number of triangles : " << counter.fTriangles << G4endl;
654 G4cout << "Number of line segments : " << counter.fLineSegments << G4endl;
655 G4cout << "Number of points : " << counter.fPoints << G4endl;
656 G4cout << "Number of nodes : " << nodes << G4endl;
657 G4cout << "Number of shapes : " << shapes << G4endl;
658 }
659
660 void G4OpenInventorViewer::EraseDetector() {
661 fG4OpenInventorSceneHandler.fDetectorRoot->removeAllChildren();
662 }
663 void G4OpenInventorViewer::EraseEvent() {
664 fG4OpenInventorSceneHandler.fTransientRoot->removeAllChildren();
665 }
666
667 void G4OpenInventorViewer::SetPreviewAndFull() {
668 fG4OpenInventorSceneHandler.fPreviewAndFull = true;
669
670 NeedKernelVisit();
671 DrawDetector();
672 }
673
674 void G4OpenInventorViewer::SetPreview() {
675 fG4OpenInventorSceneHandler.fPreviewAndFull = false;
676
677 NeedKernelVisit();
678 DrawDetector();
679 }
680
681 // When ViewParameter <-> SoCamera mapping ready
682 // uncomment the below
683 //#define USE_SET_VIEW
684
685 void G4OpenInventorViewer::SetSolid() {
686 G4ViewParameters vp = GetViewParameters();
687 G4ViewParameters::DrawingStyle existingStyle = vp.GetDrawingStyle();
688 //From G4VisCommandsViewerSet : /vis/viewer/set/style solid.
689 switch (existingStyle) {
690 case G4ViewParameters::wireframe:
691 vp.SetDrawingStyle(G4ViewParameters::hsr);
692 break;
693 case G4ViewParameters::hlr:
694 vp.SetDrawingStyle(G4ViewParameters::hlhsr);
695 break;
696 case G4ViewParameters::hsr:
697 break;
698 case G4ViewParameters::hlhsr:
699 break;
700 case G4ViewParameters::cloud:
701 vp.SetDrawingStyle(G4ViewParameters::hsr);
702 break;
703 }
704 SetViewParameters(vp);
705 DrawDetector();
706 }
707 void G4OpenInventorViewer::SetWireFrame() {
708 G4ViewParameters vp = GetViewParameters();
709 G4ViewParameters::DrawingStyle existingStyle = vp.GetDrawingStyle();
710 switch (existingStyle) {
711 case G4ViewParameters::wireframe:
712 break;
713 case G4ViewParameters::hlr:
714 break;
715 case G4ViewParameters::hsr:
716 vp.SetDrawingStyle(G4ViewParameters::wireframe);
717 break;
718 case G4ViewParameters::hlhsr:
719 vp.SetDrawingStyle(G4ViewParameters::hlr);
720 break;
721 case G4ViewParameters::cloud:
722 vp.SetDrawingStyle(G4ViewParameters::wireframe);
723 break;
724 }
725 SetViewParameters(vp);
726 DrawDetector();
727 }
728
729
730 void G4OpenInventorViewer::SetReducedWireFrame(bool aValue) {
731 G4ViewParameters vp = GetViewParameters();
732
733 // Set the wire frame kind :
734 vp.SetAuxEdgeVisible(!aValue);
735
736 // Set wire frame :
737 G4ViewParameters::DrawingStyle existingStyle = vp.GetDrawingStyle();
738 switch (existingStyle) {
739 case G4ViewParameters::wireframe:
740 break;
741 case G4ViewParameters::hlr:
742 break;
743 case G4ViewParameters::hsr:
744 vp.SetDrawingStyle(G4ViewParameters::wireframe);
745 break;
746 case G4ViewParameters::hlhsr:
747 vp.SetDrawingStyle(G4ViewParameters::hlr);
748 break;
749 case G4ViewParameters::cloud:
750 vp.SetDrawingStyle(G4ViewParameters::wireframe);
751 break;
752 }
753 SetViewParameters(vp);
754 NeedKernelVisit(); // Just in case it was alread in wire framw.
755 DrawDetector();
756 }
757
758 void G4OpenInventorViewer::UpdateScene() {
759 /* Replace this... - JA
760 fG4OpenInventorSceneHandler.ClearStore();
761 ClearView();
762 if (!fNeedKernelVisit) KernelVisitDecision();
763 ProcessView();
764 ShowView();
765 */
766 // ...by this - JA
767 NeedKernelVisit();
768 DrawView();
769 }
770 G4String G4OpenInventorViewer::Help(const G4String& aTopic) {
771 if(aTopic=="controls") {
772 return G4String("\
773 Controls on an Inventor examiner viewer are :\n\
774 - in picking mode (cursor is the upper left arrow)\n\
775 Ctrl + pick a volume : see daughters.\n\
776 Shift + pick a volume : see mother.\n\
777 - in viewing mode (cursor is the hand)\n\
778 Left-button + pointer move : rotate.\n\
779 Ctrl+Left-button + pointer move : pan.\n\
780 Ctrl+Shift+Left-button + pointer move : scale.\n\
781 Middle-button + pointer move : pan.\n\
782 Right-button : popup menu.\n");
783 } else {
784 return "";
785 }
786 }
787