| 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 // John Allison 17th June 2019
27
28 #include "G4Qt3DSceneHandler.hh"
29
30 #include "G4PhysicalVolumeModel.hh"
31 #include "G4LogicalVolumeModel.hh"
32 #include "G4VPhysicalVolume.hh"
33 #include "G4LogicalVolume.hh"
34 #include "G4TransportationManager.hh"
35 #include "G4Box.hh"
36 #include "G4Polyline.hh"
37 #include "G4Polymarker.hh"
38 #include "G4Text.hh"
39 #include "G4Circle.hh"
40 #include "G4Square.hh"
41 #include "G4Polyhedron.hh"
42 #include "G4Scene.hh"
43 #include "G4Threading.hh"
44 #include "G4Mesh.hh"
45 #include "G4PseudoScene.hh"
46 #include "G4VisManager.hh"
47
48 #include "G4Qt3DViewer.hh"
49 #include "G4Qt3DUtils.hh"
50 #include "G4Qt3DQEntity.hh"
51
52 #include <Qt3DCore>
53 #include <Qt3DExtras>
54 #include <Qt3DRender>
55
56 #include <utility>
57
58 #define G4warn G4cout
59
60 // Qt3D seems to offer a choice of type - float or double. It would be nice
61 // to use double since it offers the prospect of higher precision, hopefully
62 // avoiding some issues that we see at high zoom. But it currently gives the
63 // following warning:
64 // Qt5: "findBoundingVolumeComputeData: Position attribute not
65 // suited for bounding volume computation",
66 // Qt6: "Failed to build graphics pipeline: Geometry doesn't match expected layout
67 // An attribute type is not supported "vertexPosition" Qt3DCore::QAttribute::Double"
68 // so for now we use float.
69 #define PRECISION float
70 #if (QT_VERSION < QT_VERSION_CHECK(6, 0, 0))
71 #define BASETYPE Qt3DRender::QAttribute::Float
72 #else
73 #define BASETYPE Qt3DCore::QAttribute::Float
74 #endif
75
76 // Qt3D types move between namespaces between 5 and 6
77 namespace G4Qt3DCompat
78 {
79 #if (QT_VERSION < QT_VERSION_CHECK(6, 0, 0))
80 using Qt3DRender::QAttribute;
81 using Qt3DRender::QBuffer;
82 using Qt3DRender::QGeometry;
83 #else
84 using Qt3DCore::QAttribute;
85 using Qt3DCore::QBuffer;
86 using Qt3DCore::QGeometry;
87 #endif
88 }
89
90 G4int G4Qt3DSceneHandler::fSceneIdCount = 0;
91
92 G4Qt3DSceneHandler::G4Qt3DSceneHandler
93 (G4VGraphicsSystem& system, const G4String& name)
94 : G4VSceneHandler(system, fSceneIdCount++, name)
95 ,fpQt3DScene(nullptr)
96 ,fpTransientObjects(nullptr)
97 ,fpPersistentObjects(nullptr)
98 {
99 #ifdef G4QT3DDEBUG
100 G4cout << "G4Qt3DSceneHandler::G4Qt3DSceneHandler called" << G4endl;
101 #endif
102 fpQt3DScene = new Qt3DCore::QEntity;
103 fpQt3DScene->setObjectName("G4Qt3DSceneRoot");
104 EstablishG4Qt3DQEntities();
105 }
106
107 G4Qt3DSceneHandler::~G4Qt3DSceneHandler()
108 {
109 if (fpQt3DScene) {
110 G4Qt3DUtils::delete_components_and_children_of_entity_recursively(fpQt3DScene);
111 delete fpQt3DScene;
112 }
113 }
114
115 void G4Qt3DSceneHandler::EstablishG4Qt3DQEntities()
116 {
117 fpTransientObjects = new G4Qt3DQEntity(fpQt3DScene); // Hangs from root
118 fpTransientObjects ->setObjectName("G4Qt3DTORoot");
119 fpPersistentObjects = new G4Qt3DQEntity(fpQt3DScene); // Hangs from root
120 fpPersistentObjects ->setObjectName("G4Qt3DPORoot");
121
122 // Physical volume objects hang from POs
123 fpPhysicalVolumeObjects.clear();
124 if (fpScene) {
125 const auto& sceneModels = fpScene->GetRunDurationModelList();
126 for (const auto& sceneModel : sceneModels) {
127 const auto& pvModel = dynamic_cast<G4PhysicalVolumeModel*>(sceneModel.fpModel);
128 if (pvModel) {
129 auto entity = new G4Qt3DQEntity(fpPersistentObjects);
130 const auto& pv = pvModel->GetTopPhysicalVolume();
131 entity->setObjectName("G4Qt3DPORoot_"+QString(pv->GetName()));
132 entity->SetPVNodeID(G4PhysicalVolumeModel::G4PhysicalVolumeNodeID(pv));
133 fpPhysicalVolumeObjects.push_back(entity);
134 }
135 }
136 }
137 }
138
139 G4Qt3DQEntity* G4Qt3DSceneHandler::CreateNewNode()
140 {
141 // Create a G4Qt3DQEntity node suitable for next solid or primitive
142
143 G4Qt3DQEntity* newNode = nullptr;
144
145 if (fReadyForTransients) { // All transients hang from this node
146 newNode = new G4Qt3DQEntity(fpTransientObjects);
147 G4String name = fpModel? fpModel->GetGlobalTag(): G4String("User");
148 newNode->setObjectName(name.c_str());
149 return newNode;
150 }
151
152 G4PhysicalVolumeModel* pPVModel =
153 dynamic_cast<G4PhysicalVolumeModel*>(fpModel);
154
155 if (!pPVModel) { // Persistent objects (e.g., axes)
156 newNode = new G4Qt3DQEntity(fpPersistentObjects);
157 newNode->setObjectName(fpModel->GetGlobalTag().c_str());
158 return newNode;
159 }
160
161 // So this is a G4PhysicalVolumeModel
162
163 typedef G4PhysicalVolumeModel::G4PhysicalVolumeNodeID PVNodeID;
164 typedef std::vector<PVNodeID> PVPath;
165 // const PVPath& drawnPVPath = pPVModel->GetDrawnPVPath();
166 const PVPath& fullPVPath = pPVModel->GetFullPVPath();
167 //G4int currentDepth = pPVModel->GetCurrentDepth();
168 //G4VPhysicalVolume* pCurrentPV = pPVModel->GetCurrentPV();
169 //G4LogicalVolume* pCurrentLV = pPVModel->GetCurrentLV();
170 //G4Material* pCurrentMaterial = pPVModel->GetCurrentMaterial();
171 // Note: pCurrentMaterial may be zero (parallel world).
172
173 #ifdef G4QTDEBUG
174 G4cout << "A: " << fullPVPath << G4endl; // DEBUG
175 #endif
176
177 // Find appropriate root
178 const std::size_t nWorlds = fpPhysicalVolumeObjects.size();
179 std::size_t iWorld = 0;
180 for (; iWorld < nWorlds; ++iWorld) {
181 if (fullPVPath[0].GetPhysicalVolume() ==
182 fpPhysicalVolumeObjects[iWorld]->GetPVNodeID().GetPhysicalVolume()) break;
183 }
184 if (iWorld == nWorlds) {
185 G4Exception("G4Qt3DSceneHandler::CreateNewNode", "qt3D-0000", FatalException,
186 "World mis-match - not possible(!?)");
187 }
188
189 // (Re-)establish pv path of root entity
190 G4Qt3DQEntity* wrld = fpPhysicalVolumeObjects[iWorld];
191 wrld->SetPVNodeID(fullPVPath[0]);
192
193 // Create nodes as required
194 G4Qt3DQEntity* node = wrld;
195 newNode = node;
196 const std::size_t depth = fullPVPath.size();
197 std::size_t iDepth = 1;
198 while (iDepth < depth) {
199 const auto& children = node->children();
200 const G4int nChildren = (G4int)children.size();
201 G4int iChild = 0;
202 G4Qt3DQEntity* child = nullptr;
203 for (; iChild < nChildren; ++iChild) {
204 child = static_cast<G4Qt3DQEntity*>(children[iChild]);
205 if (child->GetPVNodeID() == fullPVPath[iDepth]) break;
206 }
207 if (iChild != nChildren) { // Existing node found
208 node = child; // Must be the ancestor of new node (subsequent iteration)
209 } else {
210 // Add a new node as child of node
211 newNode = new G4Qt3DQEntity(node);
212 newNode->SetPVNodeID(fullPVPath[iDepth]);
213 std::ostringstream oss;
214 oss << newNode->GetPVNodeID().GetPhysicalVolume()->GetName()
215 << ':' << newNode->GetPVNodeID().GetCopyNo();
216 newNode->setObjectName(oss.str().c_str());
217 node = newNode;
218 }
219 ++iDepth;
220 }
221
222 return node;
223 }
224
225 void G4Qt3DSceneHandler::PreAddSolid
226 (const G4Transform3D& objectTransformation,
227 const G4VisAttributes& visAttribs)
228 {
229 G4VSceneHandler::PreAddSolid(objectTransformation, visAttribs);
230 }
231
232 void G4Qt3DSceneHandler::PostAddSolid()
233 {
234 G4VSceneHandler::PostAddSolid();
235 }
236
237 void G4Qt3DSceneHandler::BeginPrimitives2D(const G4Transform3D& objectTransformation)
238 {
239 // The x,y coordinates of the primitives passed to AddPrimitive are
240 // intrepreted as screen coordinates, -1 < x,y < 1. The
241 // z-coordinate is ignored.
242 // IMPORTANT: invoke this from your polymorphic versions, e.g.:
243 // void MyXXXSceneHandler::BeginPrimitives2D
244 // (const G4Transform3D& objectTransformation) {
245 static G4bool first = true;
246 if (first) {
247 first = false;
248 G4Exception("G4Qt3DSceneHandler::BeginPrimitives2D", "qt3D-0001",
249 JustWarning,
250 "2D drawing not yet implemented");
251 }
252 G4VSceneHandler::BeginPrimitives2D (objectTransformation);
253 // ...
254 }
255
256 void G4Qt3DSceneHandler::EndPrimitives2D ()
257 {
258 // IMPORTANT: invoke this from your polymorphic versions, e.g.:
259 // void MyXXXSceneHandler::EndPrimitives2D () {
260 // ...
261 G4VSceneHandler::EndPrimitives2D ();
262 }
263
264 void G4Qt3DSceneHandler::BeginPrimitives
265 (const G4Transform3D& objectTransformation)
266 {
267 G4VSceneHandler::BeginPrimitives(objectTransformation);
268 }
269
270 void G4Qt3DSceneHandler::EndPrimitives ()
271 {
272 G4VSceneHandler::EndPrimitives ();
273 }
274
275 void G4Qt3DSceneHandler::AddPrimitive(const G4Polyline& polyline)
276 {
277 #ifdef G4QT3DDEBUG
278 G4cout <<
279 "G4Qt3DSceneHandler::AddPrimitive(const G4Polyline& polyline) called.\n"
280 << polyline
281 << G4endl;
282 #endif
283
284 if (polyline.size() == 0) return;
285
286 auto currentNode = CreateNewNode();
287 if (!currentNode) {
288 static G4bool first = true;
289 if (first) {
290 first = false;
291 G4Exception("G4Qt3DSceneHandler::AddPrimitive(const G4Polyline&)",
292 "qt3d-0003", JustWarning,
293 "No available node!");
294 }
295 return;
296 }
297
298 fpVisAttribs = fpViewer->GetApplicableVisAttributes(polyline.GetVisAttributes());
299
300 auto transform = G4Qt3DUtils::CreateQTransformFrom(fObjectTransformation);
301 transform->setObjectName("transform");
302
303 auto polylineEntity = new Qt3DCore::QEntity(currentNode);
304 polylineEntity->addComponent(transform);
305
306 const auto vertexByteSize = 3*sizeof(PRECISION);
307
308 const std::size_t nLines = polyline.size() - 1;
309 QByteArray polylineByteArray;
310 const auto polylineBufferByteSize = 2*nLines*vertexByteSize;
311 polylineByteArray.resize((G4int)polylineBufferByteSize);
312 auto polylineBufferArray = reinterpret_cast<PRECISION*>(polylineByteArray.data());
313 G4int iLine = 0;
314 for (std::size_t i = 0; i < nLines; ++i) {
315 polylineBufferArray[iLine++] = polyline[i].x();
316 polylineBufferArray[iLine++] = polyline[i].y();
317 polylineBufferArray[iLine++] = polyline[i].z();
318 polylineBufferArray[iLine++] = polyline[i+1].x();
319 polylineBufferArray[iLine++] = polyline[i+1].y();
320 polylineBufferArray[iLine++] = polyline[i+1].z();
321 }
322 auto polylineGeometry = new G4Qt3DCompat::QGeometry();
323 polylineGeometry->setObjectName("polylineGeometry");
324
325 auto polylineBuffer = new G4Qt3DCompat::QBuffer(polylineGeometry);
326 polylineBuffer->setObjectName("Polyline buffer");
327 polylineBuffer->setData(polylineByteArray);
328
329 auto polylineAtt = new G4Qt3DCompat::QAttribute;
330 polylineAtt->setObjectName("Position attribute");
331 polylineAtt->setName(G4Qt3DCompat::QAttribute::defaultPositionAttributeName());
332 polylineAtt->setBuffer(polylineBuffer);
333 polylineAtt->setAttributeType(G4Qt3DCompat::QAttribute::VertexAttribute);
334 polylineAtt->setVertexBaseType(BASETYPE);
335 polylineAtt->setVertexSize(3);
336 polylineAtt->setCount((G4int)nLines);
337 polylineAtt->setByteOffset(0);
338 polylineAtt->setByteStride(vertexByteSize);
339 // Normal attribute (a dummy with count==0) (Qt6 seems to require)
340 auto dummyNormalLineAtt = new G4Qt3DCompat::QAttribute;
341 dummyNormalLineAtt->setObjectName("Normal attribute");
342 dummyNormalLineAtt->setName(G4Qt3DCompat::QAttribute::defaultNormalAttributeName());
343 dummyNormalLineAtt->setBuffer(polylineBuffer);
344 dummyNormalLineAtt->setAttributeType(G4Qt3DCompat::QAttribute::VertexAttribute);
345 dummyNormalLineAtt->setVertexBaseType(BASETYPE);
346 dummyNormalLineAtt->setVertexSize(3);
347 dummyNormalLineAtt->setCount(0);
348 dummyNormalLineAtt->setByteOffset(0);
349 dummyNormalLineAtt->setByteStride(vertexByteSize);
350
351 const auto& colour = fpVisAttribs->GetColour();
352
353 polylineGeometry->addAttribute(polylineAtt);
354 polylineGeometry->addAttribute(dummyNormalLineAtt);
355
356 auto material = new Qt3DExtras::QDiffuseSpecularMaterial();
357 material->setObjectName("materialForPolyline");
358 material->setAmbient(G4Qt3DUtils::ConvertToQColor(colour));
359 material->setShininess(0.);
360 material->setSpecular(0.);
361 polylineEntity->addComponent(material);
362
363 auto renderer = new Qt3DRender::QGeometryRenderer;
364 renderer->setObjectName("polylineRenderer");
365 renderer->setGeometry(polylineGeometry);
366 renderer->setVertexCount(2*(G4int)nLines);
367 renderer->setPrimitiveType(Qt3DRender::QGeometryRenderer::Lines);
368 polylineEntity->addComponent(renderer);
369 }
370
371 void G4Qt3DSceneHandler::AddPrimitive (const G4Polymarker& polymarker)
372 {
373 if (polymarker.size() == 0) return;
374
375 auto currentNode = CreateNewNode();
376 if (!currentNode) {
377 static G4bool first = true;
378 if (first) {
379 first = false;
380 G4Exception("G4Qt3DSceneHandler::AddPrimitive(const G4Polymarker&)",
381 "qt3d-0003", JustWarning,
382 "No available node!");
383 }
384 return;
385 }
386
387 fpVisAttribs = fpViewer->GetApplicableVisAttributes(polymarker.GetVisAttributes());
388
389 MarkerSizeType markerSizeType;
390 G4double markerSize = GetMarkerSize(polymarker, markerSizeType);
391
392 switch (polymarker.GetMarkerType()) {
393 default:
394 case G4Polymarker::dots:
395 {
396 const std::size_t nDots = polymarker.size();
397
398 auto transform = G4Qt3DUtils::CreateQTransformFrom(fObjectTransformation);
399 transform->setObjectName("transform");
400
401 auto polymarkerEntity = new Qt3DCore::QEntity(currentNode);
402 polymarkerEntity->addComponent(transform);
403
404 const auto vertexByteSize = 3*sizeof(PRECISION);
405
406 QByteArray polymarkerByteArray;
407 const auto polymarkerBufferByteSize = nDots*vertexByteSize;
408 polymarkerByteArray.resize((G4int)polymarkerBufferByteSize);
409 auto polymarkerBufferArray = reinterpret_cast<PRECISION*>(polymarkerByteArray.data());
410 G4int iMarker = 0;
411 for (std::size_t i = 0; i < polymarker.size(); ++i) {
412 polymarkerBufferArray[iMarker++] = polymarker[i].x();
413 polymarkerBufferArray[iMarker++] = polymarker[i].y();
414 polymarkerBufferArray[iMarker++] = polymarker[i].z();
415 }
416 auto polymarkerGeometry = new G4Qt3DCompat::QGeometry();
417 polymarkerGeometry->setObjectName("polymarkerGeometry");
418 auto polymarkerBuffer = new G4Qt3DCompat::QBuffer(polymarkerGeometry);
419 polymarkerBuffer->setObjectName("Polymarker buffer");
420 polymarkerBuffer->setData(polymarkerByteArray);
421
422 auto polymarkerAtt = new G4Qt3DCompat::QAttribute;
423 polymarkerAtt->setObjectName("Position attribute");
424 polymarkerAtt->setName(G4Qt3DCompat::QAttribute::defaultPositionAttributeName());
425 polymarkerAtt->setBuffer(polymarkerBuffer);
426 polymarkerAtt->setAttributeType(G4Qt3DCompat::QAttribute::VertexAttribute);
427 polymarkerAtt->setVertexBaseType(BASETYPE);
428 polymarkerAtt->setVertexSize(3);
429 polymarkerAtt->setCount((G4int)nDots);
430 polymarkerAtt->setByteOffset(0);
431 polymarkerAtt->setByteStride(vertexByteSize);
432
433 const auto& colour = fpVisAttribs->GetColour();
434
435 polymarkerGeometry->addAttribute(polymarkerAtt);
436
437 auto material = new Qt3DExtras::QDiffuseSpecularMaterial();
438 material->setObjectName("materialForPolymarker");
439 material->setAmbient(G4Qt3DUtils::ConvertToQColor(colour));
440 material->setShininess(0.);
441 material->setSpecular(0.);
442 polymarkerEntity->addComponent(material);
443
444 auto renderer = new Qt3DRender::QGeometryRenderer;
445 renderer->setObjectName("polymarkerWireframeRenderer");
446 renderer->setGeometry(polymarkerGeometry);
447 renderer->setVertexCount((G4int)nDots);
448 renderer->setPrimitiveType(Qt3DRender::QGeometryRenderer::Points);
449 polymarkerEntity->addComponent(renderer);
450 }
451 break;
452 case G4Polymarker::circles:
453 {
454 G4Circle circle (polymarker); // Default circle
455
456 const auto& colour = fpVisAttribs->GetColour();
457 auto material = new Qt3DExtras::QDiffuseSpecularMaterial();
458 material->setObjectName("materialForCircle");
459 material->setAmbient(G4Qt3DUtils::ConvertToQColor(colour));
460 if (colour.GetAlpha() < 1.) material->setAlphaBlendingEnabled(true);
461
462 auto sphereMesh = new Qt3DExtras::QSphereMesh;
463 sphereMesh->setObjectName("sphereMesh");
464 G4double radius = markerSize/2.;
465 if (markerSizeType == G4VSceneHandler::screen ) {
466 // Not figured out how to do screen-size, so use scene extent
467 const G4double scale = 200.; // Roughly pixels per scene
468 radius *= fpScene->GetExtent().GetExtentRadius()/scale;
469 }
470 sphereMesh->setRadius(radius);
471 // sphereMesh->setInstanceCount(polymarker.size()); // Not undertood instancing yet
472
473 // auto currentEntity = new Qt3DCore::QEntity(currentNode); // Not undertood instancing yet
474 for (std::size_t iPoint = 0; iPoint < polymarker.size(); ++iPoint) {
475 auto position = fObjectTransformation*G4Translate3D(polymarker[iPoint]);
476 auto transform = G4Qt3DUtils::CreateQTransformFrom(position);
477 auto currentEntity = new Qt3DCore::QEntity(currentNode); // Not undertood instancing yet
478 currentEntity->addComponent(material);
479 currentEntity->addComponent(transform);
480 currentEntity->addComponent(sphereMesh);
481 }
482 }
483 break;
484 case G4Polymarker::squares:
485 {
486 G4Square square (polymarker); // Default square
487
488 const auto& colour = fpVisAttribs->GetColour();
489 auto material = new Qt3DExtras::QDiffuseSpecularMaterial();
490 material->setObjectName("materialForSquare");
491 material->setAmbient(G4Qt3DUtils::ConvertToQColor(colour));
492 if (colour.GetAlpha() < 1.) material->setAlphaBlendingEnabled(true);
493
494 auto boxMesh = new Qt3DExtras::QCuboidMesh();
495 boxMesh->setObjectName("boxMesh");
496 G4double side = markerSize;
497 if (markerSizeType == G4VSceneHandler::screen ) {
498 // Not figured out how to do screen-size, so use scene extent
499 const G4double scale = 200.; // Roughly pixles per scene
500 side *= fpScene->GetExtent().GetExtentRadius()/scale;
501 }
502 boxMesh->setXExtent(side);
503 boxMesh->setYExtent(side);
504 boxMesh->setZExtent(side);
505
506 for (std::size_t iPoint = 0; iPoint < polymarker.size(); ++iPoint) {
507 auto position = fObjectTransformation*G4Translate3D(polymarker[iPoint]);
508 auto transform = G4Qt3DUtils::CreateQTransformFrom(position);
509 auto currentEntity = new Qt3DCore::QEntity(currentNode);
510 currentEntity->addComponent(material);
511 currentEntity->addComponent(transform);
512 currentEntity->addComponent(boxMesh);
513 }
514 }
515 break;
516 }
517 }
518
519 #ifdef G4QT3DDEBUG
520 void G4Qt3DSceneHandler::AddPrimitive(const G4Text& text) {
521 G4cout <<
522 "G4Qt3DSceneHandler::AddPrimitive(const G4Text& text) called.\n"
523 << text
524 << G4endl;
525 #else
526 void G4Qt3DSceneHandler::AddPrimitive(const G4Text& /*text*/) {
527 #endif
528
529 static G4bool first = true;
530 if (first) {
531 first = false;
532 G4Exception("G4Qt3DSceneHandler::AddPrimitive(const G4Text&)",
533 "qt3D-0002", JustWarning,
534 "Text drawing doesn't work yet");
535 } // OK. Not working, but let it execute, which it does without error.
536
537 /* But it crashes after /vis/viewer/rebuild!!!
538 auto currentNode = CreateNewNode();
539 if (!currentNode) {
540 static G4bool first = true;
541 if (first) {
542 first = false;
543 G4Exception("G4Qt3DSceneHandler::AddPrimitive(const G4Text&)",
544 "qt3d-0003", JustWarning,
545 "No available node!");
546 }
547 return;
548 }
549
550 fpVisAttribs = fpViewer->GetApplicableVisAttributes(text.GetVisAttributes());
551
552 auto position = fObjectTransformation*G4Translate3D(text.GetPosition());
553 auto transform = G4Qt3DUtils::CreateQTransformFrom(position);
554 // transform->setScale(10);
555 transform->setScale(0.1);
556
557 // auto currentEntity = new Qt3DCore::QEntity(currentNode);
558
559 // This simply does not work
560 auto qtext = new Qt3DExtras::QText2DEntity();
561 qtext->setParent(currentNode);
562 // qtext->setParent(currentEntity); // ?? Doesn't help
563 qtext->setText(text.GetText().c_str());
564 // qtext->setHeight(100);
565 // qtext->setWidth(1000);
566 qtext->setHeight(20);
567 qtext->setWidth(100);
568 qtext->setColor(Qt::green);
569 qtext->setFont(QFont("Courier New", 10));
570 qtext->addComponent(transform);
571
572 // This produces text in 3D facing +z - not what we want
573 // const auto& colour = GetTextColour(text);
574 // auto material = new Qt3DExtras::QDiffuseSpecularMaterial();
575 // material->setObjectName("materialForText");
576 // material->setAmbient(G4Qt3DUtils::ConvertToQColor(colour));
577 // if (colour.GetAlpha() < 1.) material->setAlphaBlendingEnabled(true);
578 //
579 // auto textMesh = new Qt3DExtras::QExtrudedTextMesh();
580 // textMesh->setText(text.GetText().c_str());
581 // textMesh->setFont(QFont("Courier New", 10));
582 // textMesh->setDepth(.01f);
583 //
584 // currentNode->addComponent(material);
585 // currentNode->addComponent(transform);
586 // currentNode->addComponent(textMesh);
587 */
588 }
589
590 void G4Qt3DSceneHandler::AddPrimitive(const G4Circle& circle)
591 {
592 #ifdef G4QT3DDEBUG
593 G4cout <<
594 "G4Qt3DSceneHandler::AddPrimitive(const G4Circle& circle) called.\n"
595 << circle
596 << G4endl;
597 #endif
598
599 #ifdef G4QT3DDEBUG
600 MarkerSizeType sizeType;
601 G4double size = GetMarkerSize (circle, sizeType);
602 switch (sizeType) {
603 default:
604 case screen:
605 // Draw in screen coordinates.
606 G4cout << "screen";
607 break;
608 case world:
609 // Draw in world coordinates.
610 G4cout << "world";
611 break;
612 }
613 G4cout << " size: " << size << G4endl;
614 #endif
615
616 auto currentNode = CreateNewNode();
617 if (!currentNode) {
618 static G4bool first = true;
619 if (first) {
620 first = false;
621 G4Exception("G4Qt3DSceneHandler::AddPrimitive(const G4Circle&)",
622 "qt3d-0003", JustWarning,
623 "No available node!");
624 }
625 return;
626 }
627
628 fpVisAttribs = fpViewer->GetApplicableVisAttributes(circle.GetVisAttributes());
629
630 auto position = fObjectTransformation*G4Translate3D(circle.GetPosition());
631 auto transform = G4Qt3DUtils::CreateQTransformFrom(position);
632
633 const auto& colour = fpVisAttribs->GetColour();
634 auto material = new Qt3DExtras::QDiffuseSpecularMaterial();
635 material->setObjectName("materialForCircle");
636 material->setAmbient(G4Qt3DUtils::ConvertToQColor(colour));
637 if (colour.GetAlpha() < 1.) material->setAlphaBlendingEnabled(true);
638
639 auto sphereMesh = new Qt3DExtras::QSphereMesh;
640 sphereMesh->setObjectName("sphereMesh");
641 G4double radius;
642 if (circle.GetSizeType() == G4VMarker::world ) {
643 radius =circle.GetWorldRadius();
644 } else { // Screen-size or none
645 // Not figured out how to do screen-size, so use scene extent
646 const G4double scale = 200.; // Roughly pixles per scene
647 radius = circle.GetScreenRadius()*fpScene->GetExtent().GetExtentRadius()/scale;
648 }
649 sphereMesh->setRadius(radius);
650
651 auto currentEntity = new Qt3DCore::QEntity(currentNode);
652 currentEntity->addComponent(material);
653 currentEntity->addComponent(transform);
654 currentEntity->addComponent(sphereMesh);
655 }
656
657 void G4Qt3DSceneHandler::AddPrimitive(const G4Square& square)
658 {
659 #ifdef G4QT3DDEBUG
660 G4cout <<
661 "G4Qt3DSceneHandler::AddPrimitive(const G4Square& square) called.\n"
662 << square
663 << G4endl;
664 #endif
665
666 #ifdef G4QT3DDEBUG
667 MarkerSizeType sizeType;
668 G4double size = GetMarkerSize (square, sizeType);
669 switch (sizeType) {
670 default:
671 case screen:
672 // Draw in screen coordinates.
673 G4cout << "screen";
674 break;
675 case world:
676 // Draw in world coordinates.
677 G4cout << "world";
678 break;
679 }
680 G4cout << " size: " << size << G4endl;
681 #endif
682
683 auto currentNode = CreateNewNode();
684 if (!currentNode) {
685 static G4bool first = true;
686 if (first) {
687 first = false;
688 G4Exception("G4Qt3DSceneHandler::AddPrimitive(const G4Square&)",
689 "qt3d-0003", JustWarning,
690 "No available node!");
691 }
692 return;
693 }
694
695 fpVisAttribs = fpViewer->GetApplicableVisAttributes(square.GetVisAttributes());
696
697 auto position = fObjectTransformation*G4Translate3D(square.GetPosition());
698 auto transform = G4Qt3DUtils::CreateQTransformFrom(position);
699
700 const auto& colour = fpVisAttribs->GetColour();
701 auto material = new Qt3DExtras::QDiffuseSpecularMaterial();
702 material->setObjectName("materialForSquare");
703 material->setAmbient(G4Qt3DUtils::ConvertToQColor(colour));
704 if (colour.GetAlpha() < 1.) material->setAlphaBlendingEnabled(true);
705
706 auto boxMesh = new Qt3DExtras::QCuboidMesh();
707 boxMesh->setObjectName("boxMesh");
708 G4double side;
709 if (square.GetSizeType() == G4VMarker::world ) {
710 side = square.GetWorldDiameter();
711 } else { // Screen-size or none
712 // Not figured out how to do screen-size, so use scene extent
713 const G4double scale = 200.; // Roughly pixles per scene
714 side = square.GetScreenDiameter()*fpScene->GetExtent().GetExtentRadius()/scale;
715 }
716 boxMesh->setXExtent(side);
717 boxMesh->setYExtent(side);
718 boxMesh->setZExtent(side);
719
720 auto currentEntity = new Qt3DCore::QEntity(currentNode);
721 currentEntity->addComponent(material);
722 currentEntity->addComponent(transform);
723 currentEntity->addComponent(boxMesh);
724 }
725
726 void G4Qt3DSceneHandler::AddPrimitive(const G4Polyhedron& polyhedron)
727 {
728 auto currentNode = CreateNewNode();
729 if (!currentNode) {
730 static G4bool first = true;
731 if (first) {
732 first = false;
733 G4Exception("G4Qt3DSceneHandler::AddPrimitive(const G4Polyhedron&)",
734 "qt3d-0003", JustWarning,
735 "No available node!");
736 }
737 return;
738 }
739
740 if (polyhedron.GetNoFacets() == 0) return;
741
742 fpVisAttribs = fpViewer->GetApplicableVisAttributes(polyhedron.GetVisAttributes());
743
744 // Roll out vertices and normals for the faces. Note that this means vertices
745 // are duplicated. For example a box has 8 vertices, but to define 6 faces
746 // you need 12 triangles and 36 vertices. If it was just a matter of vertices
747 // we could restrict the number to 8 and use the indices to define the
748 // triangles, but we also have to consider the normals. A vertex can be have
749 // more than one normal, depending on which face it is being used to define.
750 // So we roll out all the vertices and normals for each triangle.
751 std::vector<G4Point3D> vertices;
752 std::vector<G4Normal3D> normals;
753
754 // Also roll out edges (as lines) for wireframe. Avoid duplicate lines,
755 // including those that differ only in the order of vertices.
756 typedef std::pair<G4Point3D,G4Point3D> Line;
757 std::vector<Line> lines;
758 auto insertIfNew = [&lines](const Line& newLine) {
759 // For a large polyhedron, eliminating lines like this is prohibitively
760 // expensive. Comment out for now, and maybe unwind altogether in future.
761 // Allow the graphics-reps utilities to optimise things like this.
762 // for (const auto& line: lines) {
763 // if ((newLine.first==line.first && newLine.second==line.second) ||
764 // (newLine.first==line.second && newLine.second==line.first))
765 // return;
766 // }
767 lines.push_back(newLine);
768 };
769
770 G4bool isAuxilaryEdgeVisible = fpViewer->GetViewParameters().IsAuxEdgeVisible();
771 G4bool notLastFace;
772 do {
773 G4int nEdges;
774 G4Point3D vertex [4];
775 G4int edgeFlag[4];
776 G4Normal3D normal [4];
777 notLastFace = polyhedron.GetNextFacet(nEdges, vertex, edgeFlag, normal);
778 vertices.push_back(vertex[0]);
779 vertices.push_back(vertex[1]);
780 vertices.push_back(vertex[2]);
781 normals.push_back(normal[0]);
782 normals.push_back(normal[1]);
783 normals.push_back(normal[2]);
784 if(isAuxilaryEdgeVisible||edgeFlag[0]>0)insertIfNew(Line(vertex[0],vertex[1]));
785 if(isAuxilaryEdgeVisible||edgeFlag[1]>0)insertIfNew(Line(vertex[1],vertex[2]));
786 if (nEdges == 3) {
787 // Face is a triangle
788 // One more line for wireframe, triangles for surfaces are complete
789 if(isAuxilaryEdgeVisible||edgeFlag[2]>0)insertIfNew(Line(vertex[2],vertex[0]));
790 } else if (nEdges == 4) {
791 // Face is a quadrilateral
792 // Create another triangle for surfaces, add two more lines for wireframe
793 vertices.push_back(vertex[2]);
794 vertices.push_back(vertex[3]);
795 vertices.push_back(vertex[0]);
796 normals.push_back(normal[2]);
797 normals.push_back(normal[3]);
798 normals.push_back(normal[0]);
799 if(isAuxilaryEdgeVisible||edgeFlag[2]>0)insertIfNew(Line(vertex[2],vertex[3]));
800 if(isAuxilaryEdgeVisible||edgeFlag[3]>0)insertIfNew(Line(vertex[3],vertex[0]));
801 } else {
802 G4warn
803 << "ERROR: polyhedron face with unexpected number of edges (" << nEdges << ')'
804 << "\n Tag: " << fpModel->GetCurrentTag()
805 << G4endl;
806 return;
807 }
808 } while (notLastFace);
809 const auto nVerts = vertices.size();
810 const auto nLines = lines.size();
811
812 // Now put stuff into Qt objects
813
814 auto transform = G4Qt3DUtils::CreateQTransformFrom(fObjectTransformation);
815 transform->setObjectName("transform");
816
817 Qt3DCore::QEntity* wireframeEntity = nullptr;
818 Qt3DCore::QEntity* surfaceEntity = nullptr;
819 static G4int errorCount = 0;
820 G4ViewParameters::DrawingStyle drawing_style = GetDrawingStyle (fpVisAttribs);
821 switch (drawing_style) {
822 case G4ViewParameters::wireframe:
823 wireframeEntity = new Qt3DCore::QEntity(currentNode);
824 wireframeEntity->addComponent(transform);
825 break;
826 case G4ViewParameters::hlr:
827 wireframeEntity = new Qt3DCore::QEntity(currentNode);
828 wireframeEntity->addComponent(transform);
829 surfaceEntity = new Qt3DCore::QEntity(currentNode);
830 surfaceEntity->addComponent(transform);
831 break;
832 case G4ViewParameters::hsr:
833 surfaceEntity = new Qt3DCore::QEntity(currentNode);
834 surfaceEntity->addComponent(transform);
835 break;
836 case G4ViewParameters::hlhsr:
837 wireframeEntity = new Qt3DCore::QEntity(currentNode);
838 wireframeEntity->addComponent(transform);
839 surfaceEntity = new Qt3DCore::QEntity(currentNode);
840 surfaceEntity->addComponent(transform);
841 break;
842 case G4ViewParameters::cloud:
843 // Shouldn't happen in this function (it's a polyhedron!)
844 if (errorCount == 0) {
845 ++errorCount;
846 G4warn << "WARNING: Qt3D: cloud drawing not implemented" << G4endl;
847 }
848 return;
849 break;
850 }
851
852 const auto vertexByteSize = 3*sizeof(PRECISION);
853
854 G4Qt3DCompat::QGeometry* vertexGeometry = nullptr;
855 G4Qt3DCompat::QGeometry* lineGeometry = nullptr;
856
857 G4Qt3DCompat::QAttribute* positionAtt = nullptr;
858 G4Qt3DCompat::QAttribute* normalAtt = nullptr;
859 G4Qt3DCompat::QAttribute* lineAtt = nullptr;
860 G4Qt3DCompat::QAttribute* dummyNormalLineAtt = nullptr;
861
862 G4Qt3DCompat::QBuffer* vertexBuffer = nullptr;
863 if (drawing_style == G4ViewParameters::hlr ||
864 drawing_style == G4ViewParameters::hsr ||
865 drawing_style == G4ViewParameters::hlhsr) {
866
867 // Put vertices, normals into QByteArray
868 // Accomodates both vertices and normals - hence 2*
869 QByteArray vertexByteArray;
870 const auto vertexBufferByteSize = 2*nVerts*vertexByteSize;
871 vertexByteArray.resize((G4int)vertexBufferByteSize);
872 auto vertexBufferArray = reinterpret_cast<PRECISION*>(vertexByteArray.data());
873 G4int i1 = 0;
874 for (std::size_t i = 0; i < nVerts; ++i) {
875 vertexBufferArray[i1++] = vertices[i].x();
876 vertexBufferArray[i1++] = vertices[i].y();
877 vertexBufferArray[i1++] = vertices[i].z();
878 vertexBufferArray[i1++] = normals[i].x();
879 vertexBufferArray[i1++] = normals[i].y();
880 vertexBufferArray[i1++] = normals[i].z();
881 }
882 // Vertex buffer (vertices and normals)
883 vertexGeometry = new G4Qt3DCompat::QGeometry();
884 vertexGeometry->setObjectName("vertexGeometry");
885 vertexBuffer = new G4Qt3DCompat::QBuffer(vertexGeometry);
886 vertexBuffer->setObjectName("Vertex buffer");
887 vertexBuffer->setData(vertexByteArray);
888
889 // Position attribute
890 positionAtt = new G4Qt3DCompat::QAttribute;
891 positionAtt->setObjectName("Position attribute");
892 positionAtt->setName(G4Qt3DCompat::QAttribute::defaultPositionAttributeName());
893 positionAtt->setBuffer(vertexBuffer);
894 positionAtt->setAttributeType(G4Qt3DCompat::QAttribute::VertexAttribute);
895 positionAtt->setVertexBaseType(BASETYPE);
896 positionAtt->setVertexSize(3);
897 positionAtt->setCount((G4int)nVerts);
898 positionAtt->setByteOffset(0);
899 positionAtt->setByteStride(2*vertexByteSize);
900
901 // Normal attribute
902 normalAtt = new G4Qt3DCompat::QAttribute;
903 normalAtt->setObjectName("Normal attribute");
904 normalAtt->setName(G4Qt3DCompat::QAttribute::defaultNormalAttributeName());
905 normalAtt->setBuffer(vertexBuffer);
906 normalAtt->setAttributeType(G4Qt3DCompat::QAttribute::VertexAttribute);
907 normalAtt->setVertexBaseType(BASETYPE);
908 normalAtt->setVertexSize(3);
909 normalAtt->setCount((G4int)nVerts);
910 normalAtt->setByteOffset(vertexByteSize);
911 normalAtt->setByteStride(2*vertexByteSize);
912 }
913
914 G4Qt3DCompat::QBuffer* lineBuffer = nullptr;
915 if (drawing_style == G4ViewParameters::wireframe ||
916 drawing_style == G4ViewParameters::hlr ||
917 drawing_style == G4ViewParameters::hlhsr) {
918
919 // Put lines into a QByteArray
920 QByteArray lineByteArray;
921 const auto lineBufferByteSize = 2*nLines*vertexByteSize;
922 lineByteArray.resize((G4int)lineBufferByteSize);
923 auto lineBufferArray = reinterpret_cast<PRECISION*>(lineByteArray.data());
924 G4int i2 = 0;
925 for (const auto& line: lines) {
926 lineBufferArray[i2++] = line.first.x();
927 lineBufferArray[i2++] = line.first.y();
928 lineBufferArray[i2++] = line.first.z();
929 lineBufferArray[i2++] = line.second.x();
930 lineBufferArray[i2++] = line.second.y();
931 lineBufferArray[i2++] = line.second.z();
932 }
933 // Line loop buffer
934 lineGeometry = new G4Qt3DCompat::QGeometry();
935 lineGeometry->setObjectName("lineGeometry");
936 lineBuffer = new G4Qt3DCompat::QBuffer(lineGeometry);
937 lineBuffer->setObjectName("Line buffer");
938 lineBuffer->setData(lineByteArray);
939
940 // Line attribute
941 lineAtt = new G4Qt3DCompat::QAttribute;
942 lineAtt->setObjectName("Position attribute");
943 lineAtt->setName(G4Qt3DCompat::QAttribute::defaultPositionAttributeName());
944 lineAtt->setBuffer(lineBuffer);
945 lineAtt->setAttributeType(G4Qt3DCompat::QAttribute::VertexAttribute);
946 lineAtt->setVertexBaseType(BASETYPE);
947 lineAtt->setVertexSize(3);
948 lineAtt->setCount((G4int)nLines);
949 lineAtt->setByteOffset(0);
950 lineAtt->setByteStride(vertexByteSize);
951 // Normal attribute (a dummy with count==0) (Qt6 seems to require)
952 dummyNormalLineAtt = new G4Qt3DCompat::QAttribute;
953 dummyNormalLineAtt->setObjectName("Normal attribute");
954 dummyNormalLineAtt->setName(G4Qt3DCompat::QAttribute::defaultNormalAttributeName());
955 dummyNormalLineAtt->setBuffer(lineBuffer);
956 dummyNormalLineAtt->setAttributeType(G4Qt3DCompat::QAttribute::VertexAttribute);
957 dummyNormalLineAtt->setVertexBaseType(BASETYPE);
958 dummyNormalLineAtt->setVertexSize(3);
959 dummyNormalLineAtt->setCount(0);
960 dummyNormalLineAtt->setByteOffset(0);
961 dummyNormalLineAtt->setByteStride(vertexByteSize);
962 }
963
964 // Create material and renderer(s)...
965
966 const auto& colour = fpVisAttribs->GetColour();
967 Qt3DExtras::QDiffuseSpecularMaterial* material;
968 Qt3DRender::QGeometryRenderer* renderer;
969 switch (drawing_style) {
970
971 case G4ViewParameters::wireframe:
972
973 lineGeometry->addAttribute(lineAtt);
974 lineGeometry->addAttribute(dummyNormalLineAtt);
975
976 material = new Qt3DExtras::QDiffuseSpecularMaterial();
977 material->setObjectName("materialForWireframe");
978 material->setAmbient(G4Qt3DUtils::ConvertToQColor(colour));
979 material->setShininess(0.);
980 material->setSpecular(0.);
981 wireframeEntity->addComponent(material);
982
983 renderer = new Qt3DRender::QGeometryRenderer;
984 renderer->setObjectName("polyhedronWireframeRenderer");
985 renderer->setGeometry(lineGeometry);
986 renderer->setVertexCount(2*(G4int)nLines);
987 renderer->setPrimitiveType(Qt3DRender::QGeometryRenderer::Lines);
988 wireframeEntity->addComponent(renderer);
989
990 break;
991
992 case G4ViewParameters::hlr:
993
994 // Surfaces with background colour to hide the edges
995
996 vertexGeometry->addAttribute(positionAtt);
997 vertexGeometry->addAttribute(normalAtt);
998
999 material = new Qt3DExtras::QDiffuseSpecularMaterial();
1000 material->setObjectName("materialForHiddenLines");
1001 material->setAmbient(Qt::white); // White for now (should be from fVP)
1002 material->setShininess(0.);
1003 material->setSpecular(0.);
1004 surfaceEntity->addComponent(material);
1005
1006 renderer = new Qt3DRender::QGeometryRenderer;
1007 renderer->setObjectName("polyhedronSurfaceRenderer");
1008 renderer->setGeometry(vertexGeometry);
1009 renderer->setVertexCount((G4int)nVerts);
1010 renderer->setPrimitiveType(Qt3DRender::QGeometryRenderer::Triangles);
1011 surfaceEntity->addComponent(renderer);
1012
1013 // Edges
1014
1015 lineGeometry->addAttribute(lineAtt);
1016 lineGeometry->addAttribute(dummyNormalLineAtt);
1017
1018 material = new Qt3DExtras::QDiffuseSpecularMaterial();
1019 material->setObjectName("materialForWireFrame");
1020 material->setAmbient(G4Qt3DUtils::ConvertToQColor(colour));
1021 material->setShininess(0.);
1022 material->setSpecular(0.);
1023 wireframeEntity->addComponent(material);
1024
1025 renderer = new Qt3DRender::QGeometryRenderer;
1026 renderer->setObjectName("polyhedronWireframeRenderer");
1027 renderer->setGeometry(lineGeometry);
1028 renderer->setVertexCount(2*(G4int)nLines);
1029 renderer->setPrimitiveType(Qt3DRender::QGeometryRenderer::Lines);
1030 wireframeEntity->addComponent(renderer);
1031
1032 break;
1033
1034 case G4ViewParameters::hsr:
1035
1036 vertexGeometry->addAttribute(positionAtt);
1037 vertexGeometry->addAttribute(normalAtt);
1038
1039 material = new Qt3DExtras::QDiffuseSpecularMaterial();
1040 material->setObjectName("materialForSurface");
1041 material->setAmbient(G4Qt3DUtils::ConvertToQColor(colour));
1042 if (colour.GetAlpha() < 1.) material->setAlphaBlendingEnabled(true);
1043 surfaceEntity->addComponent(material);
1044
1045 renderer = new Qt3DRender::QGeometryRenderer;
1046 renderer->setObjectName("polyhedronSurfaceRenderer");
1047 renderer->setGeometry(vertexGeometry);
1048 renderer->setVertexCount((G4int)nVerts);
1049 renderer->setPrimitiveType(Qt3DRender::QGeometryRenderer::Triangles);
1050 surfaceEntity->addComponent(renderer);
1051
1052 break;
1053
1054 case G4ViewParameters::hlhsr:
1055
1056 // Surfaces
1057
1058 vertexGeometry->addAttribute(positionAtt);
1059 vertexGeometry->addAttribute(normalAtt);
1060
1061 material = new Qt3DExtras::QDiffuseSpecularMaterial();
1062 material->setObjectName("materialForSurface");
1063 material->setAmbient(G4Qt3DUtils::ConvertToQColor(colour));
1064 if (colour.GetAlpha() < 1.) material->setAlphaBlendingEnabled(true);
1065 surfaceEntity->addComponent(material);
1066
1067 renderer = new Qt3DRender::QGeometryRenderer;
1068 renderer->setObjectName("polyhedronSurfaceRenderer");
1069 renderer->setGeometry(vertexGeometry);
1070 renderer->setVertexCount((G4int)nVerts);
1071 renderer->setPrimitiveType(Qt3DRender::QGeometryRenderer::Triangles);
1072 surfaceEntity->addComponent(renderer);
1073
1074 // Edges
1075
1076 lineGeometry->addAttribute(lineAtt);
1077 lineGeometry->addAttribute(dummyNormalLineAtt);
1078
1079 material = new Qt3DExtras::QDiffuseSpecularMaterial();
1080 material->setObjectName("materialForWireframe");
1081 material->setAmbient(G4Qt3DUtils::ConvertToQColor(colour));
1082 material->setShininess(0.);
1083 material->setSpecular(0.);
1084 wireframeEntity->addComponent(material);
1085
1086 renderer = new Qt3DRender::QGeometryRenderer;
1087 renderer->setObjectName("polyhedronSurfaceRenderer");
1088 renderer->setGeometry(lineGeometry);
1089 renderer->setVertexCount(2*(G4int)nLines);
1090 renderer->setPrimitiveType(Qt3DRender::QGeometryRenderer::Lines);
1091 wireframeEntity->addComponent(renderer);
1092
1093 break;
1094
1095 case G4ViewParameters::cloud:
1096 // Case trapped at start of function, so no need to implement
1097 break;
1098 }
1099 }
1100
1101 void G4Qt3DSceneHandler::AddCompound(const G4Mesh& mesh)
1102 {
1103 StandardSpecialMeshRendering(mesh);
1104 }
1105
1106 void G4Qt3DSceneHandler::ClearStore ()
1107 {
1108 G4Qt3DUtils::delete_components_and_children_of_entity_recursively(fpQt3DScene);
1109 EstablishG4Qt3DQEntities();
1110 }
1111
1112 void G4Qt3DSceneHandler::ClearTransientStore ()
1113 {
1114 G4Qt3DUtils::delete_components_and_children_of_entity_recursively(fpTransientObjects);
1115 }
1116