source: trunk/source/visualization/OpenInventor/src/G4OpenInventorViewer.cc

Last change on this file was 1347, checked in by garnier, 14 years ago

geant4 tag 9.4
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25//
26// $Id: G4OpenInventorViewer.cc,v 1.61 2010/10/06 10:09:57 allison Exp $
27// GEANT4 tag $Name: geant4-09-04-ref-00 $
28
29#ifdef G4VIS_BUILD_OI_DRIVER
30
31// this :
32#include "G4OpenInventorViewer.hh"
33
34#include <Inventor/nodes/SoSelection.h>
35#include <Inventor/nodes/SoShape.h>
36#include <Inventor/nodes/SoOrthographicCamera.h>
37#include <Inventor/nodes/SoPerspectiveCamera.h>
38#include <Inventor/actions/SoCallbackAction.h>
39#include <Inventor/actions/SoWriteAction.h>
40#include <Inventor/sensors/SoNodeSensor.h>
41
42#include "HEPVis/nodes/SoImageWriter.h"
43#include "HEPVis/actions/SoGL2PSAction.h"
44#include "HEPVis/actions/SoCounterAction.h"
45#include "HEPVis/actions/SoAlternateRepAction.h"
46
47#include "G4OpenInventor.hh"
48#include "G4OpenInventorSceneHandler.hh"
49#include "G4VInteractorManager.hh"
50#include "G4Scene.hh"
51#include "Geant4_SoPolyhedron.h"
52#include "G4AttValue.hh"
53#include "G4AttDef.hh"
54#include "G4AttCheck.hh"
55#include "G4AttHolder.hh"
56
57G4OpenInventorViewer::G4OpenInventorViewer(
58 G4OpenInventorSceneHandler& sceneHandler
59,const G4String& name)
60:G4VViewer(sceneHandler, sceneHandler.IncrementViewCount(), name)
61,fG4OpenInventorSceneHandler(sceneHandler)
62,fInteractorManager(0)
63,fSoSelection(0)
64,fSoImageWriter(0)
65,fGL2PSAction(0) //To be set be suclass.
66,fGroupCameraSensor(0)
67,fCameraSensor(0)
68{
69  fNeedKernelVisit = true;  //?? Temporary, until KernelVisitDecision fixed.
70
71  fVP.SetAutoRefresh(true);
72  fDefaultVP.SetAutoRefresh(true);
73  fVP.SetPicking(true);
74  fDefaultVP.SetPicking(true);
75
76  //FIXME : G.Barrand : not convinced that we have to rm culling.
77  // For viewing of all objects by default :
78  //fDefaultVP.SetCulling(false);
79  //fVP.SetCulling(false);
80
81  fInteractorManager =
82    ((G4OpenInventor*)fG4OpenInventorSceneHandler.GetGraphicsSystem())->
83    GetInteractorManager();
84
85  // Main user scene graph root sent to the viewers.
86  fSoSelection = new SoSelection;
87  fSoSelection->ref();
88  fSoSelection->addSelectionCallback(SelectionCB,this);
89  //fSoSelection->addDeselectionCallback(DeselectionCB,this);
90  fSoSelection->policy = SoSelection::SINGLE;
91
92  SoGroup* group = new SoGroup;
93  fSoSelection->addChild(group);
94
95  //  Have a camera under fSoSelection in order
96  // that the below SceneGraphSensor be notifed
97  // when the viewer changes the camera type.
98  //  But we put the camera under a SoGroup so that
99  // the SceneGraphSensor be not triggered at each change
100  // under the fG4OpenInventorSceneHandler.fRoot.
101  SoOrthographicCamera* camera = new SoOrthographicCamera;
102  camera->viewportMapping.setValue(SoCamera::ADJUST_CAMERA);
103  //camera->aspectRatio.setValue(10);
104  camera->position.setValue(0,0,10);
105  camera->orientation.setValue(SbRotation(SbVec3f(0,1,0),0));
106  camera->height.setValue(10);
107  camera->nearDistance.setValue(1);
108  camera->farDistance.setValue(100);
109  camera->focalDistance.setValue(10);
110  group->addChild(camera);
111
112 {SoInput soInput;
113   if(soInput.openFile("g4view.iv",TRUE)) {
114    SoSeparator* separator = SoDB::readAll(&soInput);
115    if(separator) fSoSelection->addChild(separator);
116  }}
117
118  fSoSelection->addChild(fG4OpenInventorSceneHandler.fRoot);
119
120  // SoImageWriter should be the last.
121  fSoImageWriter = new SoImageWriter();
122  fSoImageWriter->fileName.setValue("g4out.ps");
123  fSoSelection->addChild(fSoImageWriter);
124
125  // Sensors :
126  // To detect that the viewer had changed the camera type :
127  fGroupCameraSensor = new SoNodeSensor(GroupCameraSensorCB,this);
128  fGroupCameraSensor->setPriority(0);//Needed in order to do getTriggerNode()
129  fGroupCameraSensor->attach(group);
130
131  fCameraSensor = new SoNodeSensor(CameraSensorCB,this);
132  fCameraSensor->setPriority(0);//Needed in order to do getTriggerNode()
133}
134
135G4OpenInventorViewer::~G4OpenInventorViewer () {
136  fCameraSensor->detach();
137  delete fCameraSensor;
138  fGroupCameraSensor->detach();
139  delete fGroupCameraSensor;
140  fSoSelection->unref();
141}
142
143void 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  fLastVP = fVP;
157}
158 
159G4bool G4OpenInventorViewer::CompareForKernelVisit(G4ViewParameters& vp) {
160
161  if (
162      (vp.GetDrawingStyle ()    != fVP.GetDrawingStyle ())    ||
163      (vp.IsAuxEdgeVisible ()   != fVP.IsAuxEdgeVisible ())   ||
164      (vp.GetRepStyle ()        != fVP.GetRepStyle ())        ||
165      (vp.IsCulling ()          != fVP.IsCulling ())          ||
166      (vp.IsCullingInvisible () != fVP.IsCullingInvisible ()) ||
167      (vp.IsDensityCulling ()   != fVP.IsDensityCulling ())   ||
168      (vp.IsCullingCovered ()   != fVP.IsCullingCovered ())   ||
169      (vp.IsSection ()          != fVP.IsSection ())          ||
170      (vp.IsCutaway ()          != fVP.IsCutaway ())          ||
171      // This assumes use of generic clipping (sectioning, slicing,
172      // DCUT, cutaway).  If a decision is made to implement locally,
173      // this will need changing.  See G4OpenGLViewer::SetView,
174      // G4OpenGLStoredViewer.cc::CompareForKernelVisit and
175      // G4OpenGLStoredSceneHander::CreateSection/CutawayPolyhedron.
176      (vp.IsExplode ()          != fVP.IsExplode ())          ||
177      (vp.GetNoOfSides ()       != fVP.GetNoOfSides ())       ||
178      (vp.IsMarkerNotHidden ()  != fVP.IsMarkerNotHidden ())  ||
179      (vp.GetDefaultVisAttributes()->GetColour() !=
180       fVP.GetDefaultVisAttributes()->GetColour())            ||
181      (vp.GetDefaultTextVisAttributes()->GetColour() !=
182       fVP.GetDefaultTextVisAttributes()->GetColour())        ||
183      (vp.GetBackgroundColour ()!= fVP.GetBackgroundColour ())||
184      (vp.IsPicking ()          != fVP.IsPicking ())          ||
185      // Scaling for Open Inventor is done by the scene handler so it
186      // needs a kernel visit.  (In this respect, it differs from the
187      // OpenGL drivers, where it's done in SetView.)
188      (vp.GetScaleFactor ()     != fVP.GetScaleFactor ())
189      )
190    return true;
191
192  if (vp.IsDensityCulling () &&
193      (vp.GetVisibleDensity () != fVP.GetVisibleDensity ()))
194    return true;
195
196  if (vp.IsSection () &&
197      (vp.GetSectionPlane () != fVP.GetSectionPlane ()))
198    return true;
199
200  if (vp.IsCutaway ()) {
201    if (vp.GetCutawayPlanes ().size () !=
202        fVP.GetCutawayPlanes ().size ()) return true;
203    for (size_t i = 0; i < vp.GetCutawayPlanes().size(); ++i)
204      if (vp.GetCutawayPlanes()[i] != fVP.GetCutawayPlanes()[i])
205        return true;
206  }
207
208  if (vp.IsExplode () &&
209      (vp.GetExplodeFactor () != fVP.GetExplodeFactor ()))
210    return true;
211     
212  return false;
213}
214
215void G4OpenInventorViewer::ClearView () {
216}
217
218void G4OpenInventorViewer::SetView () {
219
220  // Get G4 camera infos :
221  const G4Point3D target
222    = fSceneHandler.GetScene()->GetStandardTargetPoint()
223    + fVP.GetCurrentTargetPoint ();
224  G4double radius = fSceneHandler.GetScene()->GetExtent().GetExtentRadius();
225  if(radius<=0.) radius = 1.;
226  const G4double cameraDistance = fVP.GetCameraDistance (radius);
227  const G4Vector3D& direction = fVP.GetViewpointDirection().unit();
228  const G4Point3D cameraPosition = target + cameraDistance * direction;
229  //const G4double pnear = fVP.GetNearDistance (cameraDistance, radius);
230  //const G4double pfar  = fVP.GetFarDistance  (cameraDistance, pnear, radius);
231  const G4Normal3D& up = fVP.GetUpVector (); 
232
233/*
234  printf("debug : target : %g %g %g\n",target.x(),
235                                       target.y(),
236                                       target.z());
237  printf("debug : dir : %g %g %g\n",direction.x(),
238                                    direction.y(),
239                                    direction.z());
240  printf("debug : pos : %g %g %g\n",cameraPosition.x(),
241                                    cameraPosition.y(),
242                                    cameraPosition.z());
243  //printf("debug : near %g far %g\n",pnear,pfar);
244*/
245
246  SoCamera* camera = GetCamera();
247  if(!camera) return;
248
249  // viewer camera setup :
250  camera->position.setValue((float)cameraPosition.x(),
251                               (float)cameraPosition.y(),
252                               (float)cameraPosition.z());
253
254  SbVec3f sbTarget((float)target.x(),
255                   (float)target.y(),
256                   (float)target.z());
257  SbVec3f sbUp((float)up.x(),
258               (float)up.y(),
259               (float)up.z());
260  sbUp.normalize();
261  // Need Coin's camera->pointAt(sbTarget,sbUp); not in the SGI API
262  // Stole Coin's code...
263  pointAt(camera,sbTarget,sbUp);
264
265  //camera->height.setValue(10);
266  //camera->nearDistance.setValue((float)pnear);
267  //camera->farDistance.setValue((float)pfar);
268  //camera->focalDistance.setValue((float)cameraDistance);
269
270  if(camera->isOfType(SoOrthographicCamera::getClassTypeId())) {
271    if (fVP.GetFieldHalfAngle() == 0.) {
272      //FIXME : ((SoOrthographicCamera*)camera)->height.setValue();
273      //FIXME : (Don't think we have to do that.)
274    } else {
275      //FIXME : Have to set a perspective camera !
276      //FIXME : viewer->setCameraType(SoPerspectiveCamera::getClassTypeId())
277      //FIXME : ((SoPerspectiveCamera*)camera)->heightAngle.setValue
278      //FIXME :   (2.*fVP.GetFieldHalfAngle());
279    }
280  } else if(camera->isOfType(SoPerspectiveCamera::getClassTypeId())) {
281    if (fVP.GetFieldHalfAngle() == 0.) {
282      //FIXME : Have to set an orthographic camera !
283      //FIXME : viewer->setCameraType(SoOrthographicCamera::getClassTypeId())
284    } else {
285      //FIXME : ((SoPerspectiveCamera*)camera)->heightAngle.setValue
286      //FIXME :   (2.*fVP.GetFieldHalfAngle());
287    }
288  }
289}
290
291//COIN_FUNCTION_EXTENSION
292void
293G4OpenInventorViewer::pointAt(SoCamera* camera,const SbVec3f & targetpoint, const SbVec3f & upvector)
294{
295  SbVec3f dir = targetpoint - camera->position.getValue();
296  if (dir.normalize() == 0.0f) return;
297  lookAt(camera,dir, upvector);
298}
299
300//COIN_FUNCTION
301// Private method that calculates a new orientation based on camera
302// direction and camera up vector. Vectors must be unit length.
303void
304G4OpenInventorViewer::lookAt(SoCamera* camera,const SbVec3f & dir, const SbVec3f & up)
305{
306  SbVec3f z = -dir;
307  SbVec3f y = up;
308  SbVec3f x = y.cross(z);
309
310  // recompute y to create a valid coordinate system
311  y = z.cross(x);
312
313  // normalize x and y to create an orthonormal coord system
314  y.normalize();
315  x.normalize();
316
317  // create a rotation matrix
318  SbMatrix rot = SbMatrix::identity();
319  rot[0][0] = x[0];
320  rot[0][1] = x[1];
321  rot[0][2] = x[2];
322
323  rot[1][0] = y[0];
324  rot[1][1] = y[1];
325  rot[1][2] = y[2];
326
327  rot[2][0] = z[0];
328  rot[2][1] = z[1];
329  rot[2][2] = z[2];
330
331  camera->orientation.setValue(SbRotation(rot));
332}
333
334void
335G4OpenInventorViewer::lookedAt(SoCamera* camera,SbVec3f & dir, SbVec3f & up)
336{
337  SbRotation rot = camera->orientation.getValue();
338  SbMatrix mrot; rot.getValue(mrot);
339
340  SbVec3f x, y, z;
341
342  // create a rotation matrix
343  x[0] = mrot[0][0];
344  x[1] = mrot[0][1];
345  x[2] = mrot[0][2];
346
347  y[0] = mrot[1][0];
348  y[1] = mrot[1][1];
349  y[2] = mrot[1][2];
350
351  z[0] = mrot[2][0];
352  z[1] = mrot[2][1];
353  z[2] = mrot[2][2];
354
355  dir = -z;
356  dir.normalize();
357  up = SbVec3f(0.f,1.f,0.f);  // Choose y-axis if possible.
358  if (std::abs(up.dot(z)) > 1.e-6) {
359    up = y;
360    up.normalize();
361  }
362}
363
364void G4OpenInventorViewer::DrawView () {
365  //G4cout << "debug Iv::DrawViewer " <<G4endl;
366  if (!fNeedKernelVisit) KernelVisitDecision();
367  ProcessView();
368  FinishView();
369}
370
371void G4OpenInventorViewer::ShowView () {
372  fInteractorManager -> SecondaryLoop ();
373}
374
375void G4OpenInventorViewer::GroupCameraSensorCB(void* aThis,SoSensor* aSensor){
376  G4OpenInventorViewer* This = (G4OpenInventorViewer*)aThis;
377
378  SoNode* node = ((SoNodeSensor*)aSensor)->getTriggerNode();
379  //printf("debug : GroupCameraSensorCB %s\n",
380  //node->getTypeId().getName().getString());
381
382  if(node->isOfType(SoCamera::getClassTypeId())) {
383    // Viewer had changed the camera type,
384    // attach the fCameraSensor to the new camera.
385    SoCamera* camera = (SoCamera*)node;
386    This->fCameraSensor->detach();
387    This->fCameraSensor->attach(camera);
388  }
389
390}
391
392void G4OpenInventorViewer::CameraSensorCB(void* aThis,SoSensor* aSensor) {
393  G4OpenInventorViewer* This = (G4OpenInventorViewer*)aThis;
394
395  //printf("debug : CameraSensorCB\n");
396
397  SoNode* node = ((SoNodeSensor*)aSensor)->getTriggerNode();
398
399  if(node->isOfType(SoCamera::getClassTypeId())) {
400    SoCamera* camera = (SoCamera*)node;
401
402    SbVec3f direction, up;
403    lookedAt(camera,direction, up);
404    This->fVP.SetViewpointDirection
405      (G4Vector3D(-direction[0],-direction[1],-direction[2]));
406    This->fVP.SetUpVector(G4Vector3D(up[0],up[1],up[2]));
407
408    SbVec3f pos = camera->position.getValue();
409    SbVec3f target = pos + direction * camera->focalDistance.getValue();
410
411    This->fVP.SetCurrentTargetPoint(G4Point3D(target[0],target[1],target[2]));
412  }
413}
414
415void G4OpenInventorViewer::SelectionCB(
416 void* aThis
417,SoPath* aPath
418)
419{
420  G4OpenInventorViewer* This = (G4OpenInventorViewer*)aThis;
421  SoNode* node = ((SoFullPath*)aPath)->getTail();
422  G4AttHolder* attHolder = dynamic_cast<G4AttHolder*>(node);
423  if(attHolder && attHolder->GetAttDefs().size()) {
424    for (size_t i = 0; i < attHolder->GetAttDefs().size(); ++i) {
425      G4cout << G4AttCheck(attHolder->GetAttValues()[i],
426                           attHolder->GetAttDefs()[i]);
427    }
428  } else {
429    G4String name((char*)node->getName().getString());
430    G4String cls((char*)node->getTypeId().getName().getString());
431    G4cout << "SoNode : " << node
432           << " SoType : " << cls
433           << " name : " << name
434           << G4endl;
435    G4cout << "No attributes attached." << G4endl;
436  }
437  /*FIXME : to explore (need different button - this is used for picking.
438  if(node->isOfType(Geant4_SoPolyhedron::getClassTypeId())) {
439    Geant4_SoPolyhedron* polyhedron = (Geant4_SoPolyhedron*)node;
440    if(polyhedron->solid.getValue()==FALSE)
441      polyhedron->solid.setValue(TRUE);
442    else
443      polyhedron->solid.setValue(FALSE);
444  }*/
445  This->fSoSelection->deselectAll();
446}
447/*
448void G4OpenInventorViewer::DeselectionCB(
449 void* aThis
450,SoPath* aPath
451)
452{
453  //G4OpenInventorViewer* This = (G4OpenInventorViewer*)aThis;
454  G4String name((char*)aPath->getTail()->getTypeId().getName().getString());
455  G4cout << "Deselect : " << name << G4endl;
456}
457*/
458
459void G4OpenInventorViewer::DrawDetector() {
460  /* Replace this... - JA
461  // DrawView does a ClearStore. Do not clear the transient store :
462  SoSeparator* tmp = fG4OpenInventorSceneHandler.fTransientRoot;
463  fG4OpenInventorSceneHandler.fTransientRoot = new SoSeparator;
464  if (!fNeedKernelVisit) KernelVisitDecision();
465  ProcessView();
466  fG4OpenInventorSceneHandler.fTransientRoot->unref();
467  fG4OpenInventorSceneHandler.fTransientRoot = tmp;
468  */
469  // ...by this... - JA
470  DrawView();
471}
472
473//////////////////////////////////////////////////////////////////////////////
474/// Menu items callbacks /////////////////////////////////////////////////////
475//////////////////////////////////////////////////////////////////////////////
476
477void G4OpenInventorViewer::Escape(){
478  G4cout << "Escape..." <<G4endl;
479  fInteractorManager->RequireExitSecondaryLoop (OIV_EXIT_CODE);
480}
481
482void G4OpenInventorViewer::WritePostScript(const G4String& aFile) {
483  if(!fGL2PSAction) return;
484  fGL2PSAction->setFileName(aFile.c_str());
485  G4cout << "Produce " << aFile << "..." << G4endl;
486  if (fGL2PSAction->enableFileWriting()) {
487    ViewerRender();
488    fGL2PSAction->disableFileWriting();
489  }
490}
491
492void G4OpenInventorViewer::WritePixmapPostScript(const G4String& aFile) {
493  fSoImageWriter->fileName.setValue(aFile.c_str());
494  //imageWriter->format.setValue(SoImageWriter::POST_SCRIPT);
495  fSoImageWriter->enable();
496  ViewerRender();
497  fSoImageWriter->disable();
498  if(fSoImageWriter->getStatus()) {
499    G4cout << G4String(fSoImageWriter->fileName.getValue().getString())
500           << " produced."
501           << G4endl;
502  } else {
503    G4cout << G4String(fSoImageWriter->fileName.getValue().getString())
504           << " not produced."
505           << G4endl;
506  }
507} 
508
509void G4OpenInventorViewer::WriteInventor(const G4String& aFile) {
510  G4cout << "Produce " << aFile << "..." << G4endl;
511
512  SbBool genAlternateRep = TRUE;
513  //SbBool binary = FALSE;
514  SbBool binary = TRUE;
515  SoAlternateRepAction alternateRepAction;
516  if(genAlternateRep==TRUE) {
517    alternateRepAction.setGenerate(TRUE); //Clear alternate reps.
518    alternateRepAction.apply(fSoSelection);
519  }
520
521  SoWriteAction writeAction;
522  writeAction.getOutput()->openFile(aFile.c_str());
523  writeAction.getOutput()->setBinary(binary);
524  writeAction.apply(fSoSelection);
525  writeAction.getOutput()->closeFile();
526
527  if(genAlternateRep==TRUE) {
528    alternateRepAction.setGenerate(FALSE); //Clear alternate reps.
529    alternateRepAction.apply(fSoSelection);
530  }
531
532
533
534}
535
536struct Counter {
537 int fTriangles;
538 int fLineSegments;
539 int fPoints;
540};
541
542static void CountTrianglesCB(
543 void* userData
544,SoCallbackAction*
545,const SoPrimitiveVertex*
546,const SoPrimitiveVertex*,
547const SoPrimitiveVertex*)
548{
549  Counter* counter = (Counter*)userData;
550  counter->fTriangles++;
551}
552
553static void CountLineSegmentsCB(
554 void* userData
555,SoCallbackAction*
556,const SoPrimitiveVertex*
557,const SoPrimitiveVertex*)
558{
559  Counter* counter = (Counter*)userData;
560  counter->fLineSegments++;
561}
562
563static void CountPointsCB(
564 void* userData
565,SoCallbackAction*
566,const SoPrimitiveVertex*)
567{
568  Counter* counter = (Counter*)userData;
569  counter->fPoints++;
570}
571
572void G4OpenInventorViewer::SceneGraphStatistics() {
573  Counter counter;
574  counter.fTriangles = 0;
575  counter.fLineSegments = 0;
576  counter.fPoints = 0;
577
578  SoCallbackAction callbackAction;
579  callbackAction.addTriangleCallback
580    (SoShape::getClassTypeId(),CountTrianglesCB,(void*)&counter);
581  callbackAction.addLineSegmentCallback
582    (SoShape::getClassTypeId(),CountLineSegmentsCB,(void*)&counter);
583  callbackAction.addPointCallback
584    (SoShape::getClassTypeId(),CountPointsCB,(void*)&counter);
585  callbackAction.apply(fSoSelection);
586
587  SoCounterAction counterAction;
588  counterAction.apply(fSoSelection);
589  int nodes = counterAction.getCount();
590
591  counterAction.setLookFor(SoCounterAction::TYPE);
592  counterAction.setType(SoShape::getClassTypeId());
593  counterAction.apply(fSoSelection);
594  int shapes = counterAction.getCount();
595
596  G4cout << "Number of triangles : " << counter.fTriangles << G4endl;
597  G4cout << "Number of line segments : " << counter.fLineSegments << G4endl;
598  G4cout << "Number of points : " << counter.fPoints << G4endl;
599  G4cout << "Number of nodes : " << nodes << G4endl;
600  G4cout << "Number of shapes : " << shapes << G4endl;
601}
602
603void G4OpenInventorViewer::EraseDetector() {
604  fG4OpenInventorSceneHandler.fDetectorRoot->removeAllChildren();
605}
606void G4OpenInventorViewer::EraseEvent() {
607  fG4OpenInventorSceneHandler.fTransientRoot->removeAllChildren();
608}
609
610void G4OpenInventorViewer::SetPreviewAndFull() {
611  fG4OpenInventorSceneHandler.fPreviewAndFull = true;
612
613  NeedKernelVisit();
614  DrawDetector();
615}
616
617void G4OpenInventorViewer::SetPreview() {
618  fG4OpenInventorSceneHandler.fPreviewAndFull = false;
619
620  NeedKernelVisit();
621  DrawDetector();
622}
623
624// When ViewParameter <-> SoCamera mapping ready
625// uncomment the below
626//#define USE_SET_VIEW
627
628void G4OpenInventorViewer::SetSolid() {
629  G4ViewParameters vp = GetViewParameters();
630  G4ViewParameters::DrawingStyle existingStyle = vp.GetDrawingStyle();
631  //From G4VisCommandsViewerSet : /vis/viewer/set/style solid.
632  switch (existingStyle) {
633  case G4ViewParameters::wireframe:
634    vp.SetDrawingStyle(G4ViewParameters::hsr);
635    break;
636  case G4ViewParameters::hlr:
637    vp.SetDrawingStyle(G4ViewParameters::hlhsr);
638    break;
639  case G4ViewParameters::hsr:
640    break;
641  case G4ViewParameters::hlhsr:
642    break;
643  }
644  SetViewParameters(vp);
645  DrawDetector();
646}
647void G4OpenInventorViewer::SetWireFrame() {
648  G4ViewParameters vp = GetViewParameters();
649  G4ViewParameters::DrawingStyle existingStyle = vp.GetDrawingStyle();
650  switch (existingStyle) {
651  case G4ViewParameters::wireframe:
652    break;
653  case G4ViewParameters::hlr:
654    break;
655  case G4ViewParameters::hsr:
656    vp.SetDrawingStyle(G4ViewParameters::wireframe);
657    break;
658  case G4ViewParameters::hlhsr:
659    vp.SetDrawingStyle(G4ViewParameters::hlr);
660    break;
661  }
662  SetViewParameters(vp);
663  DrawDetector();
664}
665
666
667void G4OpenInventorViewer::SetReducedWireFrame(bool aValue) {
668  G4ViewParameters vp = GetViewParameters();
669
670  // Set the wire frame kind :
671  vp.SetAuxEdgeVisible(!aValue);
672
673  // Set wire frame :
674  G4ViewParameters::DrawingStyle existingStyle = vp.GetDrawingStyle();
675  switch (existingStyle) {
676  case G4ViewParameters::wireframe:
677    break;
678  case G4ViewParameters::hlr:
679    break;
680  case G4ViewParameters::hsr:
681    vp.SetDrawingStyle(G4ViewParameters::wireframe);
682    break;
683  case G4ViewParameters::hlhsr:
684    vp.SetDrawingStyle(G4ViewParameters::hlr);
685    break;
686  }
687  SetViewParameters(vp);
688  NeedKernelVisit(); // Just in case it was alread in wire framw.
689  DrawDetector();
690}
691
692void G4OpenInventorViewer::UpdateScene() {
693  /* Replace this... - JA
694  fG4OpenInventorSceneHandler.ClearStore();
695  ClearView();
696  if (!fNeedKernelVisit) KernelVisitDecision();
697  ProcessView();
698  ShowView();
699  */
700  // ...by this - JA
701  NeedKernelVisit();
702  DrawView();
703}
704G4String G4OpenInventorViewer::Help(const G4String& aTopic) {
705  if(aTopic=="controls") {
706    return G4String("\
707Controls on an Inventor examiner viewer are :\n\
708- in picking mode (cursor is the upper left arrow)\n\
709  Ctrl + pick a volume : see daughters.\n\
710  Shift + pick a volume : see mother.\n\
711- in viewing mode (cursor is the hand)\n\
712  Left-button + pointer move : rotate.\n\
713  Ctrl+Left-button + pointer move : pan.\n\
714  Ctrl+Shift+Left-button + pointer move : scale.\n\
715  Middle-button + pointer move : pan.\n\
716  Right-button : popup menu.\n");
717  } else {
718    return "";
719  }
720}
721
722#endif
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