18#include <Qt3DRender/QCamera>
19#include <Qt3DRender/QMesh>
20#include <Qt3DRender/QObjectPicker>
21#include <Qt3DRender/QPickEvent>
22#include <Qt3DRender/QPickingSettings>
23#include <Qt3DRender/QPickTriangleEvent>
24#include <Qt3DRender/QRenderSettings>
25#include <Qt3DRender/QSceneLoader>
26#include <Qt3DExtras/QForwardRenderer>
27#include <Qt3DExtras/QPhongMaterial>
28#include <Qt3DExtras/QPhongAlphaMaterial>
29#include <Qt3DExtras/QDiffuseSpecularMaterial>
30#include <Qt3DExtras/QSphereMesh>
31#include <Qt3DLogic/QFrameAction>
32#include <Qt3DRender/QEffect>
33#include <Qt3DRender/QTechnique>
34#include <Qt3DRender/QRenderPass>
35#include <Qt3DRender/QRenderState>
36#include <Qt3DRender/QCullFace>
37#include <Qt3DRender/QDepthTest>
42#include <QOpenGLContext>
43#include <QOpenGLFunctions>
94 onBackgroundColorChanged();
99 mEngine->
renderSettings()->setRenderPolicy( Qt3DRender::QRenderSettings::OnDemand );
102 mEngine->
renderSettings()->pickingSettings()->setPickMethod( Qt3DRender::QPickingSettings::TrianglePicking );
104 QRect viewportRect( QPoint( 0, 0 ), mEngine->
size() );
107 float aspectRatio = ( float )viewportRect.width() / viewportRect.height();
108 mEngine->
camera()->lens()->setPerspectiveProjection( mMap.
fieldOfView(), aspectRatio, 10.f, 10000.0f );
110 mFrameAction =
new Qt3DLogic::QFrameAction();
111 connect( mFrameAction, &Qt3DLogic::QFrameAction::triggered,
112 this, &Qgs3DMapScene::onFrameTriggered );
113 addComponent( mFrameAction );
119 addCameraViewCenterEntity( mEngine->
camera() );
120 addCameraRotationCenterEntity( mCameraController );
125 createTerrainDeferred();
155 const QList<QgsMapLayer *> modelVectorLayers = mModelVectorLayers;
161 if ( renderer->
type() == QLatin1String(
"vector" ) )
164 if ( pointSymbol->
shapeProperties()[QStringLiteral(
"model" )].toString() == url )
166 removeLayerEntity( layer );
167 addLayerEntity( layer );
170 else if ( renderer->
type() == QLatin1String(
"rulebased" ) )
173 for (
auto rule : rules )
176 if ( pointSymbol->
shapeProperties()[QStringLiteral(
"model" )].toString() == url )
178 removeLayerEntity( layer );
179 addLayerEntity( layer );
190 onRenderersChanged();
197 ChunkedEntity *testChunkEntity =
new ChunkedEntity( AABB( -500, 0, -500, 500, 100, 500 ), 2.f, 3.f, 7,
new TestChunkLoaderFactory );
198 testChunkEntity->setEnabled(
false );
199 testChunkEntity->setParent(
this );
200 chunkEntities << testChunkEntity;
211 Qt3DCore::QEntity *loaderEntity =
new Qt3DCore::QEntity;
212 Qt3DRender::QSceneLoader *loader =
new Qt3DRender::QSceneLoader;
213 loader->setSource( QUrl(
"file:///home/martin/Downloads/LowPolyModels/tree.dae" ) );
214 loaderEntity->addComponent( loader );
215 loaderEntity->setParent(
this );
219 Qt3DCore::QEntity *meshEntity =
new Qt3DCore::QEntity;
220 Qt3DRender::QMesh *mesh =
new Qt3DRender::QMesh;
221 mesh->setSource( QUrl(
"file:///home/martin/Downloads/LowPolyModels/tree.obj" ) );
222 meshEntity->addComponent( mesh );
223 Qt3DExtras::QPhongMaterial *material =
new Qt3DExtras::QPhongMaterial;
224 material->setAmbient( Qt::red );
225 meshEntity->addComponent( material );
226 Qt3DCore::QTransform *meshTransform =
new Qt3DCore::QTransform;
227 meshTransform->setScale( 1 );
228 meshEntity->addComponent( meshTransform );
229 meshEntity->setParent(
this );
231 onSkyboxSettingsChanged();
236 onEyeDomeShadingSettingsChanged();
238 onDebugShadowMapSettingsChanged();
239 onDebugDepthMapSettingsChanged();
241 onAmbientOcclusionSettingsChanged();
244 onCameraMovementSpeedChanged();
246 on3DAxisSettingsChanged();
253 const double side = std::max( extent.
width(), extent.
height() );
254 double d = side / 2 / std::tan(
cameraController()->camera()->fieldOfView() / 2 * M_PI / 180 );
256 mCameraController->
resetView(
static_cast< float >( d ) );
267 float xSide = std::abs( p1.
x() - p2.
x() );
268 float ySide = std::abs( p1.
z() - p2.
z() );
271 float fov = 2 * std::atan( std::tan( qDegreesToRadians(
cameraController()->camera()->fieldOfView() ) / 2 ) *
cameraController()->camera()->aspectRatio() );
272 float r = xSide / 2.0f / std::tan( fov / 2.0f );
277 float fov = qDegreesToRadians(
cameraController()->camera()->fieldOfView() );
278 float r = ySide / 2.0f / std::tan( fov / 2.0f );
285 Qt3DRender::QCamera *camera = mCameraController->
camera();
286 QVector<QgsPointXY> extent;
287 QVector<int> pointsOrder = { 0, 1, 3, 2 };
288 for (
int i : pointsOrder )
290 const QPoint p( ( ( i >> 0 ) & 1 ) ? 0 : mEngine->
size().width(), ( ( i >> 1 ) & 1 ) ? 0 : mEngine->
size().height() );
293 if ( dir.y() == 0.0 )
294 dir.setY( 0.000001 );
295 double t = - ray.
origin().y() / dir.y();
299 t = camera->farPlane();
304 t = std::min<float>( t, camera->farPlane() );
306 QVector3D planePoint = ray.
origin() + t * dir;
315 return mTerrain ? mTerrain->pendingJobsCount() : 0;
321 for ( QgsChunkedEntity *entity : std::as_const( mChunkEntities ) )
322 count += entity->pendingJobsCount();
328 if ( mPickHandlers.isEmpty() )
331 for ( Qt3DCore::QEntity *entity : mLayerEntities )
333 if ( QgsChunkedEntity *chunkedEntity = qobject_cast<QgsChunkedEntity *>( entity ) )
334 chunkedEntity->setPickingEnabled(
true );
338 mPickHandlers.append( pickHandler );
343 mPickHandlers.removeOne( pickHandler );
345 if ( mPickHandlers.isEmpty() )
348 for ( Qt3DCore::QEntity *entity : mLayerEntities )
350 if ( QgsChunkedEntity *chunkedEntity = qobject_cast<QgsChunkedEntity *>( entity ) )
351 chunkedEntity->setPickingEnabled(
false );
356void Qgs3DMapScene::onLayerEntityPickedObject( Qt3DRender::QPickEvent *pickEvent,
QgsFeatureId fid )
358 QgsMapLayer *layer = mLayerEntities.key( qobject_cast<QgsChunkedEntity *>( sender() ) );
368 pickHandler->handlePickOnVectorLayer( vlayer, fid, pickEvent->worldIntersection(), pickEvent );
374 Qt3DRender::QCamera *camera = mCameraController->
camera();
375 float fov = camera->fieldOfView();
376 const QSize size = mEngine->
size();
377 float screenSizePx = std::max( size.width(), size.height() );
381 float frustumWidthAtDistance = 2 * distance * tan( fov / 2 );
382 float err = frustumWidthAtDistance * epsilon / screenSizePx;
388 Qt3DRender::QCamera *camera = engine->
camera();
389 QgsChunkedEntity::SceneState state;
390 state.cameraFov = camera->fieldOfView();
391 state.cameraPos = camera->position();
392 const QSize size = engine->
size();
393 state.screenSizePx = std::max( size.width(), size.height() );
394 state.viewProjectionMatrix = camera->projectionMatrix() * camera->viewMatrix();
398void Qgs3DMapScene::onCameraChanged()
400 if ( mMap.
projectionType() == Qt3DRender::QCameraLens::OrthographicProjection )
402 QRect viewportRect( QPoint( 0, 0 ), mEngine->
size() );
403 const float viewWidthFromCenter = mCameraController->
distance();
404 const float viewHeightFromCenter = viewportRect.height() * viewWidthFromCenter / viewportRect.width();
405 mEngine->
camera()->lens()->setOrthographicProjection( -viewWidthFromCenter, viewWidthFromCenter, -viewHeightFromCenter, viewHeightFromCenter, mEngine->
camera()->nearPlane(), mEngine->
camera()->farPlane() );
409 bool changedCameraPlanes = updateCameraNearFarPlanes();
411 if ( changedCameraPlanes )
416 updateCameraNearFarPlanes();
419 onShadowSettingsChanged();
427 QVector<Qt3DCore::QComponent *> toBeRemovedComponents;
428 for ( Qt3DCore::QComponent *component : entity->components() )
430 Qt3DRender::QLayer *layer = qobject_cast<Qt3DRender::QLayer *>( component );
431 if ( layer !=
nullptr )
432 toBeRemovedComponents.push_back( layer );
434 for ( Qt3DCore::QComponent *component : toBeRemovedComponents )
435 entity->removeComponent( component );
436 for ( Qt3DCore::QEntity *obj : entity->findChildren<Qt3DCore::QEntity *>() )
438 if ( obj !=
nullptr )
445 for ( Qt3DRender::QLayer *layer : layers )
446 entity->addComponent( layer );
447 for ( Qt3DCore::QEntity *child : entity->findChildren<Qt3DCore::QEntity *>() )
449 if ( child !=
nullptr )
454void Qgs3DMapScene::updateScene()
456 QgsEventTracing::addEvent( QgsEventTracing::Instant, QStringLiteral(
"3D" ), QStringLiteral(
"Update Scene" ) );
457 for ( QgsChunkedEntity *entity : std::as_const( mChunkEntities ) )
459 if ( entity->isEnabled() )
465static void _updateNearFarPlane(
const QList<QgsChunkNode *> &activeNodes,
const QMatrix4x4 &viewMatrix,
float &fnear,
float &ffar )
467 for ( QgsChunkNode *node : activeNodes )
472 for (
int i = 0; i < 8; ++i )
474 QVector4D p( ( ( i >> 0 ) & 1 ) ? bbox.
xMin : bbox.
xMax,
475 ( ( i >> 1 ) & 1 ) ? bbox.
yMin : bbox.
yMax,
476 ( ( i >> 2 ) & 1 ) ? bbox.
zMin : bbox.
zMax, 1 );
478 QVector4D pc = viewMatrix * p;
482 fnear = std::min( fnear, dst );
483 ffar = std::max( ffar, dst );
488bool Qgs3DMapScene::updateCameraNearFarPlanes()
503 QMatrix4x4 viewMatrix = camera->viewMatrix();
506 QList<QgsChunkNode *> activeNodes;
508 activeNodes = mTerrain->activeNodes();
513 if ( mTerrain && activeNodes.isEmpty() )
514 activeNodes << mTerrain->rootNode();
516 _updateNearFarPlane( activeNodes, viewMatrix, fnear, ffar );
520 for ( QgsChunkedEntity *e : std::as_const( mChunkEntities ) )
524 QList<QgsChunkNode *> activeEntityNodes = e->activeNodes();
525 if ( activeEntityNodes.empty() )
526 activeEntityNodes << e->rootNode();
527 _updateNearFarPlane( activeEntityNodes, viewMatrix, fnear, ffar );
536 std::swap( fnear, ffar );
538 if ( fnear == 1e9 && ffar == 0 )
542 qWarning() <<
"oops... this should not happen! couldn't determine near/far plane. defaulting to 1...1e9";
548 float newFar = ffar * 2;
549 float newNear = fnear / 2;
552 camera->setFarPlane( newFar );
553 camera->setNearPlane( newNear );
560void Qgs3DMapScene::onFrameTriggered(
float dt )
564 for ( QgsChunkedEntity *entity : std::as_const( mChunkEntities ) )
566 if ( entity->isEnabled() && entity->needsUpdate() )
576 static int frameCount = 0;
577 static float accumulatedTime = 0.0f;
587 accumulatedTime += dt;
588 if ( accumulatedTime >= 0.2f )
590 float fps = ( float )frameCount / accumulatedTime;
592 accumulatedTime = 0.0f;
597void Qgs3DMapScene::createTerrain()
601 mChunkEntities.removeOne( mTerrain );
603 mTerrain->deleteLater();
607 if ( !mTerrainUpdateScheduled )
610 QTimer::singleShot( 0,
this, &Qgs3DMapScene::createTerrainDeferred );
611 mTerrainUpdateScheduled =
true;
620void Qgs3DMapScene::createTerrainDeferred()
629 mMap.
terrainGenerator()->setupQuadtree( rootBbox, rootError, maxZoomLevel, clippingBbox );
631 mTerrain =
new QgsTerrainEntity( mMap );
632 mTerrain->setParent(
this );
635 mChunkEntities << mTerrain;
646 const QList<QgsMapLayer *> layers = mMap.
layers();
650 removeLayerEntity( layer );
653 addLayerEntity( layer );
658 mTerrainUpdateScheduled =
false;
661void Qgs3DMapScene::onBackgroundColorChanged()
666void Qgs3DMapScene::updateLights()
668 for ( Qt3DCore::QEntity *entity : std::as_const( mLightEntities ) )
669 entity->deleteLater();
670 mLightEntities.clear();
672 const QList< QgsLightSource * > newLights = mMap.
lightSources();
675 mLightEntities.append( source->createEntity( mMap,
this ) );
678 onShadowSettingsChanged();
681void Qgs3DMapScene::updateCameraLens()
688void Qgs3DMapScene::onRenderersChanged()
691 qDeleteAll( mRenderersEntities );
692 mRenderersEntities.clear();
695 const QList<QgsAbstract3DRenderer *> renderers = mMap.
renderers();
698 Qt3DCore::QEntity *newEntity = renderer->createEntity( mMap );
701 newEntity->setParent(
this );
702 finalizeNewEntity( newEntity );
703 mRenderersEntities[renderer] = newEntity;
708void Qgs3DMapScene::onLayerRenderer3DChanged()
710 QgsMapLayer *layer = qobject_cast<QgsMapLayer *>( sender() );
714 removeLayerEntity( layer );
717 addLayerEntity( layer );
720void Qgs3DMapScene::onLayersChanged()
722 QSet<QgsMapLayer *> layersBefore = qgis::listToSet( mLayerEntities.keys() );
723 QList<QgsMapLayer *> layersAdded;
724 const QList<QgsMapLayer *> layers = mMap.
layers();
727 if ( !layersBefore.contains( layer ) )
729 layersAdded << layer;
733 layersBefore.remove( layer );
738 for (
QgsMapLayer *layer : std::as_const( layersBefore ) )
740 removeLayerEntity( layer );
743 for (
QgsMapLayer *layer : std::as_const( layersAdded ) )
745 addLayerEntity( layer );
751 const QList<QgsMapLayer * > layers = mLayerEntities.keys();
756 removeLayerEntity( layer );
757 addLayerEntity( layer );
762void Qgs3DMapScene::addLayerEntity(
QgsMapLayer *layer )
764 bool needsSceneUpdate =
false;
773 ( renderer->
type() == QLatin1String(
"vector" ) || renderer->
type() == QLatin1String(
"rulebased" ) ) )
776 if ( renderer->
type() == QLatin1String(
"vector" ) )
784 mModelVectorLayers.append( layer );
788 else if ( renderer->
type() == QLatin1String(
"rulebased" ) )
791 for (
auto rule : rules )
796 mModelVectorLayers.append( layer );
819 Qt3DCore::QEntity *newEntity = renderer->
createEntity( mMap );
822 newEntity->setParent(
this );
823 mLayerEntities.insert( layer, newEntity );
825 finalizeNewEntity( newEntity );
827 if ( QgsChunkedEntity *chunkedNewEntity = qobject_cast<QgsChunkedEntity *>( newEntity ) )
829 mChunkEntities.append( chunkedNewEntity );
830 needsSceneUpdate =
true;
832 chunkedNewEntity->setPickingEnabled( !mPickHandlers.isEmpty() );
833 connect( chunkedNewEntity, &QgsChunkedEntity::pickedObject,
this, &Qgs3DMapScene::onLayerEntityPickedObject );
835 connect( chunkedNewEntity, &QgsChunkedEntity::newEntityCreated,
this, [
this]( Qt3DCore::QEntity * entity )
837 finalizeNewEntity( entity );
845 if ( needsSceneUpdate )
870void Qgs3DMapScene::removeLayerEntity(
QgsMapLayer *layer )
872 Qt3DCore::QEntity *entity = mLayerEntities.take( layer );
874 if ( QgsChunkedEntity *chunkedEntity = qobject_cast<QgsChunkedEntity *>( entity ) )
876 mChunkEntities.removeOne( chunkedEntity );
880 entity->deleteLater();
889 mModelVectorLayers.removeAll( layer );
905void Qgs3DMapScene::finalizeNewEntity( Qt3DCore::QEntity *newEntity )
909 for ( QgsLineMaterial *lm : newEntity->findChildren<QgsLineMaterial *>() )
913 lm->setViewportSize( mEngine->
size() );
916 lm->setViewportSize( mEngine->
size() );
923 bm->setViewportSize( mEngine->
size() );
926 bm->setViewportSize( mEngine->
size() );
932 for ( Qt3DRender::QMaterial *material : newEntity->findChildren<Qt3DRender::QMaterial *>() )
935 if ( Qt3DExtras::QDiffuseSpecularMaterial *ph = qobject_cast<Qt3DExtras::QDiffuseSpecularMaterial *>( material ) )
937 if ( ph->diffuse().value<QColor>().alphaF() != 1.0f )
939 Qt3DCore::QEntity *entity = qobject_cast<Qt3DCore::QEntity *>( ph->parent() );
940 if ( entity && !entity->components().contains( transparentLayer ) )
942 entity->addComponent( transparentLayer );
949 Qt3DRender::QEffect *effect = material->effect();
952 for (
const auto *parameter : effect->parameters() )
954 if ( parameter->name() ==
"opacity" && parameter->value() != 1.0f )
956 Qt3DCore::QEntity *entity = qobject_cast<Qt3DCore::QEntity *>( material->parent() );
957 if ( entity && !entity->components().contains( transparentLayer ) )
959 entity->addComponent( transparentLayer );
969int Qgs3DMapScene::maximumTextureSize()
const
971 QSurface *surface = mEngine->
surface();
972 QOpenGLContext context;
974 bool success = context.makeCurrent( surface );
978 QOpenGLFunctions openglFunctions = QOpenGLFunctions( &context );
981 openglFunctions.initializeOpenGLFunctions();
982 openglFunctions.glGetIntegerv( GL_MAX_TEXTURE_SIZE, &size );
992void Qgs3DMapScene::addCameraViewCenterEntity( Qt3DRender::QCamera *camera )
994 mEntityCameraViewCenter =
new Qt3DCore::QEntity;
996 Qt3DCore::QTransform *trCameraViewCenter =
new Qt3DCore::QTransform;
997 mEntityCameraViewCenter->addComponent( trCameraViewCenter );
998 connect( camera, &Qt3DRender::QCamera::viewCenterChanged,
this, [trCameraViewCenter, camera]
1000 trCameraViewCenter->setTranslation( camera->viewCenter() );
1003 Qt3DExtras::QPhongMaterial *materialCameraViewCenter =
new Qt3DExtras::QPhongMaterial;
1004 materialCameraViewCenter->setAmbient( Qt::red );
1005 mEntityCameraViewCenter->addComponent( materialCameraViewCenter );
1007 Qt3DExtras::QSphereMesh *rendererCameraViewCenter =
new Qt3DExtras::QSphereMesh;
1008 rendererCameraViewCenter->setRadius( 10 );
1009 mEntityCameraViewCenter->addComponent( rendererCameraViewCenter );
1012 mEntityCameraViewCenter->setParent(
this );
1022 if ( mSceneState == state )
1024 mSceneState = state;
1028void Qgs3DMapScene::updateSceneState()
1030 if ( mTerrainUpdateScheduled )
1036 for ( QgsChunkedEntity *entity : std::as_const( mChunkEntities ) )
1038 if ( entity->isEnabled() && entity->pendingJobsCount() > 0 )
1045 setSceneState(
Ready );
1048void Qgs3DMapScene::onSkyboxSettingsChanged()
1051 if ( mSkybox !=
nullptr )
1053 mSkybox->deleteLater();
1061 QMap<QString, QString> faces;
1067 faces[QStringLiteral(
"posX" )], faces[QStringLiteral(
"posY" )], faces[QStringLiteral(
"posZ" )],
1068 faces[QStringLiteral(
"negX" )], faces[QStringLiteral(
"negY" )], faces[QStringLiteral(
"negZ" )],
1079void Qgs3DMapScene::onShadowSettingsChanged()
1083 const QList< QgsLightSource * > lightSources = mMap.
lightSources();
1084 QList< QgsDirectionalLightSettings * > directionalLightSources;
1089 directionalLightSources << qgis::down_cast< QgsDirectionalLightSettings * >( source );
1095 if ( shadowSettings.
renderShadows() && selectedLight >= 0 && selectedLight < directionalLightSources.count() )
1107void Qgs3DMapScene::onAmbientOcclusionSettingsChanged()
1117void Qgs3DMapScene::onDebugShadowMapSettingsChanged()
1123void Qgs3DMapScene::onDebugDepthMapSettingsChanged()
1129void Qgs3DMapScene::onDebugOverlayEnabledChanged()
1135void Qgs3DMapScene::onEyeDomeShadingSettingsChanged()
1145void Qgs3DMapScene::onCameraMovementSpeedChanged()
1150void Qgs3DMapScene::onCameraNavigationModeChanged()
1157 QVector<QString> notParsedLayers;
1167 for (
auto it = mLayerEntities.constBegin(); it != mLayerEntities.constEnd(); ++it )
1170 Qt3DCore::QEntity *rootEntity = it.value();
1172 switch ( layerType )
1176 notParsedLayers.push_back( layer->
name() );
1185 notParsedLayers.push_back( layer->
name() );
1195 if ( !notParsedLayers.empty() )
1197 QString message = tr(
"The following layers were not exported:" ) +
"\n";
1198 for (
const QString &layerName : notParsedLayers )
1199 message += layerName +
"\n";
1206 QVector<const QgsChunkNode *> chunks;
1207 if ( !mLayerEntities.contains( layer ) )
return chunks;
1208 if ( QgsChunkedEntity *
c = qobject_cast<QgsChunkedEntity *>( mLayerEntities[ layer ] ) )
1210 for ( QgsChunkNode *n :
c->activeNodes() )
1211 chunks.push_back( n );
1223 double yMin = std::numeric_limits< double >::max();
1224 double yMax = std::numeric_limits< double >::lowest();
1227 const QgsAABB bbox = mTerrain->rootNode()->bbox();
1228 yMin = std::min( yMin,
static_cast< double >( bbox.
yMin ) );
1229 yMax = std::max( yMax,
static_cast< double >( bbox.
yMax ) );
1232 for (
auto it = mLayerEntities.constBegin(); it != mLayerEntities.constEnd(); it++ )
1239 yMin = std::min( yMin, zRange.
lower() );
1240 yMax = std::max( yMax, zRange.
upper() );
1243 const QgsDoubleRange yRange( std::min( yMin, std::numeric_limits<double>::max() ),
1244 std::max( yMax, std::numeric_limits<double>::lowest() ) );
1250 mEntityRotationCenter =
new Qt3DCore::QEntity;
1252 Qt3DCore::QTransform *trCameraViewCenter =
new Qt3DCore::QTransform;
1253 mEntityRotationCenter->addComponent( trCameraViewCenter );
1254 Qt3DExtras::QPhongMaterial *materialCameraViewCenter =
new Qt3DExtras::QPhongMaterial;
1255 materialCameraViewCenter->setAmbient( Qt::blue );
1256 mEntityRotationCenter->addComponent( materialCameraViewCenter );
1257 Qt3DExtras::QSphereMesh *rendererCameraViewCenter =
new Qt3DExtras::QSphereMesh;
1258 rendererCameraViewCenter->setRadius( 10 );
1259 mEntityRotationCenter->addComponent( rendererCameraViewCenter );
1260 mEntityRotationCenter->setEnabled(
true );
1261 mEntityRotationCenter->setParent(
this );
1265 trCameraViewCenter->setTranslation( center );
1276void Qgs3DMapScene::on3DAxisSettingsChanged()
1286 m3DAxis =
new Qgs3DAxis(
static_cast<Qt3DExtras::Qt3DWindow *
>(
engine->window() ),
@ Directional
Directional light source.
void onAxisSettingsChanged()
Force update of the axis and the viewport when a setting has changed.
Manages the various settings the user can choose from when exporting a 3D scene 3.
bool exportNormals() const
Returns whether normals will be exported.
int terrrainResolution() const
Returns the terrain resolution.
QString sceneFolderPath() const
Returns the scene folder path.
float scale() const
Returns the scale of the exported model.
int terrainTextureResolution() const
Returns the terrain texture resolution.
QString sceneName() const
Returns the scene name.
bool smoothEdges() const
Returns whether triangles edges will look smooth.
bool exportTextures() const
Returns whether textures will be exported.
void unregisterPickHandler(Qgs3DMapScenePickHandler *pickHandler)
Unregisters previously registered pick handler. Pick handler is not deleted. Also removes object pick...
QVector< const QgsChunkNode * > getLayerActiveChunkNodes(QgsMapLayer *layer)
Returns the active chunk nodes of layer.
void exportScene(const Qgs3DMapExportSettings &exportSettings)
Exports the scene according to the scene export settings.
void terrainPendingJobsCountChanged()
Emitted when the number of terrain's pending jobs changes.
void viewed2DExtentFrom3DChanged(QVector< QgsPointXY > extent)
Emitted when the viewed 2D extent seen by the 3D camera has changed.
QgsAbstract3DEngine * engine()
Returns the abstract 3D engine.
void fpsCountChanged(float fpsCount)
Emitted when the FPS count changes.
QgsRectangle sceneExtent()
Returns the scene extent in the map's CRS.
void setViewFrom2DExtent(const QgsRectangle &extent)
Resets camera view to show the extent extent (top view)
void registerPickHandler(Qgs3DMapScenePickHandler *pickHandler)
Registers an object that will get results of pick events on 3D entities. Does not take ownership of t...
Qgs3DMapScene(Qgs3DMapSettings &map, QgsAbstract3DEngine *engine)
Constructs a 3D scene based on map settings and Qt 3D renderer configuration.
QgsDoubleRange elevationRange() const
Returns the scene's elevation range.
SceneState
Enumeration of possible states of the 3D scene.
@ Ready
The scene is fully loaded/updated.
@ Updating
The scene is still being loaded/updated.
int totalPendingJobsCount() const
Returns number of pending jobs for all chunked entities.
void updateTemporal()
Updates the temporale entities.
void totalPendingJobsCountChanged()
Emitted when the total number of pending jobs changes.
void fpsCounterEnabledChanged(bool fpsCounterEnabled)
Emitted when the FPS counter is activated or deactivated.
void sceneStateChanged()
Emitted when the scene's state has changed.
int terrainPendingJobsCount() const
Returns number of pending jobs of the terrain entity.
float worldSpaceError(float epsilon, float distance)
Given screen error (in pixels) and distance from camera (in 3D world coordinates),...
void terrainEntityChanged()
Emitted when the current terrain entity is replaced by a new one.
QgsCameraController * cameraController()
Returns camera controller.
QVector< QgsPointXY > viewFrustum2DExtent()
Calculates the 2D extent viewed by the 3D camera as the vertices of the viewed trapezoid.
void viewZoomFull()
Resets camera view to show the whole scene (top view)
void extentChanged()
Emitted when the 3d view's 2d extent has changed.
void mapTileResolutionChanged()
Emitted when the map tile resoulution has changed.
void terrainVerticalScaleChanged()
Emitted when the vertical scale of the terrain has changed.
bool isDebugOverlayEnabled() const
Returns whether debug overlay is enabled.
Qt::Corner debugDepthMapCorner() const
Returns the corner where the shadow map preview is displayed.
void renderersChanged()
Emitted when the list of map's extra renderers have been modified.
void eyeDomeLightingDistanceChanged()
Emitted when the eye dome lighting distance has changed.
void terrainShadingChanged()
Emitted when terrain shading enabled flag or terrain shading material has changed.
QgsVector3D mapToWorldCoordinates(const QgsVector3D &mapCoords) const
Converts map coordinates to 3D world coordinates (applies offset and turns (x,y,z) into (x,...
double cameraMovementSpeed() const
Returns the camera movement speed.
Qt3DRender::QCameraLens::ProjectionType projectionType() const
Returns the camera lens' projection type.
bool debugDepthMapEnabled() const
Returns whether the shadow map debugging is enabled.
bool isSkyboxEnabled() const
Returns whether the skybox is enabled.
void debugDepthMapSettingsChanged()
Emitted when depth map debugging has changed.
double eyeDomeLightingStrength() const
Returns the eye dome lighting strength value.
void backgroundColorChanged()
Emitted when the background color has changed.
Qt::Corner debugShadowMapCorner() const
Returns the corner where the shadow map preview is displayed.
bool showCameraViewCenter() const
Returns whether to show camera's view center as a sphere (for debugging)
void showCameraRotationCenterChanged()
Emitted when the flag whether camera's rotation center is shown has changed.
void cameraNavigationModeChanged()
Emitted when the camera navigation mode was changed.
void shadowSettingsChanged()
Emitted when shadow rendering settings are changed.
float maxTerrainGroundError() const
Returns maximum ground error of terrain tiles in world units.
void eyeDomeLightingEnabledChanged()
Emitted when the flag whether eye dome lighting is used has changed.
void debugOverlayEnabledChanged(bool debugOverlayEnabled)
Emitted when the debug overaly is enabled or disabled.
void skyboxSettingsChanged()
Emitted when skybox settings are changed.
QgsShadowSettings shadowSettings() const
Returns the current configuration of shadows.
QList< QgsLightSource * > lightSources() const
Returns list of directional light sources defined in the scene.
double debugDepthMapSize() const
Returns the size of the shadow map preview.
QList< QgsAbstract3DRenderer * > renderers() const
Returns list of extra 3D renderers.
void projectionTypeChanged()
Emitted when the camera lens projection type changes.
float fieldOfView() const
Returns the camera lens' field of view.
QgsAmbientOcclusionSettings ambientOcclusionSettings() const
Returns the current configuration of screen space ambient occlusion.
QgsRectangle extent() const
Returns the 3D scene's 2D extent in project's CRS.
int eyeDomeLightingDistance() const
Returns the eye dome lighting distance value (contributes to the contrast of the image)
void lightSourcesChanged()
Emitted when any of the light source settings in the map changes.
void showLightSourceOriginsChanged()
Emitted when the flag whether light source origins are shown has changed.
QgsTerrainGenerator * terrainGenerator() const
Returns the terrain generator.
QColor backgroundColor() const
Returns background color of the 3D map view.
double debugShadowMapSize() const
Returns the size of the shadow map preview.
QgsVector3D worldToMapCoordinates(const QgsVector3D &worldCoords) const
Converts 3D world coordinates to map coordinates (applies offset and turns (x,y,z) into (x,...
bool showTerrainBoundingBoxes() const
Returns whether to display bounding boxes of terrain tiles (for debugging)
void maxTerrainScreenErrorChanged()
Emitted when the maximum terrain screen error has changed.
int mapTileResolution() const
Returns resolution (in pixels) of the texture of a terrain tile.
bool debugShadowMapEnabled() const
Returns whether the shadow map debugging is enabled.
bool terrainRenderingEnabled() const
Returns whether the 2D terrain surface will be rendered.
void fpsCounterEnabledChanged(bool fpsCounterEnabled)
Emitted when the FPS counter is enabled or disabled.
void axisSettingsChanged()
Emitted when 3d axis rendering settings are changed.
void ambientOcclusionSettingsChanged()
Emitted when ambient occlusion rendering settings are changed.
void layersChanged()
Emitted when the list of map layers for 3d rendering has changed.
void eyeDomeLightingStrengthChanged()
Emitted when the eye dome lighting strength has changed.
QgsSkyboxSettings skyboxSettings() const
Returns the current configuration of the skybox.
void cameraMovementSpeedChanged()
Emitted when the camera movement speed was changed.
bool eyeDomeLightingEnabled() const
Returns whether eye dome lighting is used.
bool isFpsCounterEnabled() const
Returns whether FPS counter label is enabled.
void fieldOfViewChanged()
Emitted when the camera lens field of view changes.
QList< QgsMapLayer * > layers() const
Returns the list of 3D map layers to be rendered in the scene.
QgsCameraController::NavigationMode cameraNavigationMode() const
Returns the navigation mode used by the camera.
void terrainGeneratorChanged()
Emitted when the terrain generator has changed.
void debugShadowMapSettingsChanged()
Emitted when shadow map debugging has changed.
void showCameraViewCenterChanged()
Emitted when the flag whether camera's view center is shown has changed.
void maxTerrainGroundErrorChanged()
Emitted when the maximum terrain ground error has changed.
QgsVector3D origin() const
Returns coordinates in map CRS at which 3D scene has origin (0,0,0)
bool showCameraRotationCenter() const
Returns whether to show camera's rotation center as a sphere (for debugging)
Entity that handles the exporting of 3D scene.
void setExportTextures(bool exportTextures)
Sets whether the textures will be exported.
void parseTerrain(QgsTerrainEntity *terrain, const QString &layer)
Creates terrain export objects from the terrain entity.
void save(const QString &sceneName, const QString &sceneFolderPath)
Saves the scene to a .obj file.
void setTerrainResolution(int resolution)
Sets the terrain resolution.
void setTerrainTextureResolution(int resolution)
Sets the terrain texture resolution.
bool parseVectorLayerEntity(Qt3DCore::QEntity *entity, QgsVectorLayer *layer)
Creates necessary export objects from entity if it represents valid vector layer entity Returns false...
void setScale(float scale)
Sets the scale of the exported 3D model.
void setExportNormals(bool exportNormals)
Sets whether the normals will be exported.
void setSmoothEdges(bool smoothEdges)
Sets whether the triangles will look smooth.
static int maxZoomLevel(double tile0width, double tileResolution, double maxError)
Calculates the highest needed zoom level for tiles in quad-tree given width of the base tile (zoom le...
static QgsAABB mapToWorldExtent(const QgsRectangle &extent, double zMin, double zMax, const QgsVector3D &mapOrigin)
Converts map extent to axis aligned bounding box in 3D world coordinates.
static QgsRay3D rayFromScreenPoint(const QPoint &point, const QSize &windowSize, Qt3DRender::QCamera *camera)
Convert from clicked point on the screen to a ray in world coordinates.
void sizeChanged()
Emitted after a call to setSize()
virtual QSurface * surface() const =0
Returns the surface of the engine.
QgsShadowRenderingFrameGraph * frameGraph()
Returns the shadow rendering frame graph object used to render the scene.
virtual Qt3DRender::QCamera * camera()=0
Returns pointer to the engine's camera entity.
virtual void setClearColor(const QColor &color)=0
Sets background color of the scene.
virtual void setFrustumCullingEnabled(bool enabled)=0
Sets whether frustum culling is enabled (this should make rendering faster by not rendering entities ...
virtual QSize size() const =0
Returns size of the engine's rendering area in pixels.
virtual Qt3DRender::QRenderSettings * renderSettings()=0
Returns access to the engine's render settings (the frame graph can be accessed from here)
Base class for all renderers that may to participate in 3D view.
virtual QString type() const =0
Returns unique identifier of the renderer class (used to identify subclass)
virtual Qt3DCore::QEntity * createEntity(const Qgs3DMapSettings &map) const =0
Returns a 3D entity that will be used to show renderer's data in 3D scene.
class containing the configuration of ambient occlusion rendering 3
float radius() const
Returns the radius parameter of the ambient occlusion effect.
bool isEnabled() const
Returns whether ambient occlusion effect is enabled.
float intensity() const
Returns the shading factor of the ambient occlusion effect.
float threshold() const
Returns at what amount of occlusion the effect will kick in.
static QgsSourceCache * sourceCache()
Returns the application's source cache, used for caching embedded and remote source strings as local ...
Qt3DRender::QCamera * camera() const
Returns camera that is being controlled.
void setCameraNavigationMode(QgsCameraController::NavigationMode navigationMode)
Sets the navigation mode used by the camera controller.
float distance() const
Returns distance of the camera from the point it is looking at.
void cameraChanged()
Emitted when camera has been updated.
void frameTriggered(float dt)
Called internally from 3D scene when a new frame is generated. Updates camera according to keyboard/m...
void resetView(float distance)
Move camera back to the initial position (looking down towards origin of world's coordinates)
void setViewFromTop(float worldX, float worldY, float distance, float yaw=0)
Sets camera to look down towards given point in world coordinate, in given distance from plane with z...
void setCameraMovementSpeed(double movementSpeed)
Sets the camera movement speed.
void cameraRotationCenterChanged(QVector3D position)
Emitted when the camera rotation center changes.
A skybox constructed from a 6 cube faces.
QgsRange which stores a range of double values.
virtual QgsDoubleRange calculateZRange(QgsMapLayer *layer) const
Attempts to calculate the overall elevation or z range for the specified layer, using the settings de...
Base class for all map layer types.
QgsAbstract3DRenderer * renderer3D() const
Returns 3D renderer associated with the layer.
void request3DUpdate()
Signal emitted when a layer requires an update in any 3D maps.
void renderer3DChanged()
Signal emitted when 3D renderer associated with the layer has changed.
void rendererChanged()
Signal emitted when renderer is changed.
virtual QgsMapLayerTemporalProperties * temporalProperties()
Returns the layer's temporal properties.
void layerModified()
Emitted when modifications has been done on layer.
void setMaximumTextureSize(int maximumTextureSize)
Sets the maximum texture size supported by the hardware Used to store the GL_MAX_TEXTURE_SIZE value t...
QgsMesh3DSymbol * clone() const override SIP_FACTORY
Returns a new instance of the symbol with the same settings.
3D renderer that renders all mesh triangles of a mesh layer.
void setSymbol(QgsMesh3DSymbol *symbol)
Sets 3D symbol associated with the renderer.
const QgsMesh3DSymbol * symbol() const
Returns 3D symbol associated with the renderer.
void setLayer(QgsMeshLayer *layer)
Sets vector layer associated with the renderer.
Represents a mesh layer supporting display of data on structured or unstructured meshes.
virtual void showMessage(bool blocking=true)=0
display the message to the user and deletes itself
A skybox constructed from a panoramic image.
Shape shape() const
Returns 3D shape for points.
QVariantMap shapeProperties() const
Returns a key-value dictionary of point shape properties.
3D renderer that renders all points from a point cloud layer
void setLayer(QgsPointCloudLayer *layer)
Sets point cloud layer associated with the renderer.
Represents a map layer supporting display of point clouds.
QgsMapLayerElevationProperties * elevationProperties() override
Returns the layer's elevation properties.
void subsetStringChanged()
Emitted when the layer's subset string has changed.
A class to represent a 2D point.
T lower() const
Returns the lower bound of the range.
T upper() const
Returns the upper bound of the range.
A representation of a ray in 3D.
QVector3D origin() const
Returns the origin of the ray.
QVector3D direction() const
Returns the direction of the ray see setDirection()
A rectangle specified with double values.
double yMaximum() const SIP_HOLDGIL
Returns the y maximum value (top side of rectangle).
double xMaximum() const SIP_HOLDGIL
Returns the x maximum value (right side of rectangle).
double xMinimum() const SIP_HOLDGIL
Returns the x minimum value (left side of rectangle).
double yMinimum() const SIP_HOLDGIL
Returns the y minimum value (bottom side of rectangle).
double height() const SIP_HOLDGIL
Returns the height of the rectangle.
double width() const SIP_HOLDGIL
Returns the width of the rectangle.
QgsPointXY center() const SIP_HOLDGIL
Returns the center point of the rectangle.
QList< QgsRuleBased3DRenderer::Rule * > RuleList
void setupDepthMapDebugging(bool enabled, Qt::Corner corner, double size)
Sets the depth map debugging view port.
Qt3DRender::QLayer * transparentObjectLayer()
Returns a layer object used to indicate that the object is transparent.
void setAmbientOcclusionThreshold(float threshold)
Sets the ambient occlusion threshold.
void setupShadowMapDebugging(bool enabled, Qt::Corner corner, double size)
Sets the shadow map debugging view port.
void setShadowBias(float shadowBias)
Sets the shadow bias value.
void setAmbientOcclusionIntensity(float intensity)
Sets the ambient occlusion intensity.
void setShadowMapResolution(int resolution)
Sets the resolution of the shadow map.
void setupEyeDomeLighting(bool enabled, double strength, int distance)
Sets eye dome lighting shading related settings.
void setAmbientOcclusionRadius(float radius)
Sets the ambient occlusion radius.
void setDebugOverlayEnabled(bool enabled)
Sets whether debug overlay is enabled.
void setAmbientOcclusionEnabled(bool enabled)
Sets whether Screen Space Ambient Occlusion will be enabled.
void setupDirectionalLight(const QgsDirectionalLightSettings &light, float maximumShadowRenderingDistance)
Sets shadow rendering to use a directional light.
void setShadowRenderingEnabled(bool enabled)
Sets whether the shadow rendering is enabled.
class containing the configuration of shadows rendering 3
int selectedDirectionalLight() const
Returns the selected direcctional light used to cast shadows.
bool renderShadows() const
Returns whether shadow rendering is enabled.
int shadowMapResolution() const
Returns the resolution of the shadow map texture used to generate the shadows.
double maximumShadowRenderingDistance() const
Returns the maximum shadow rendering distance accounted for when rendering shadows Objects further aw...
double shadowBias() const
Returns the shadow bias used to correct the numerical imprecision of shadows (for the depth test) Thi...
Contains the configuration of a skybox entity.
QMap< QString, QString > cubeMapFacesPaths() const
Returns a map containing the path of each texture specified by the user.
QgsSkyboxEntity::SkyboxType skyboxType() const
Returns the type of the skybox.
QString panoramicTexturePath() const
Returns the panoramic texture path of a skybox of type "Panormaic skybox".
void remoteSourceFetched(const QString &url)
Emitted when the cache has finished retrieving a 3D model from a remote url.
bool isActive() const
Returns true if the temporal property is active.
virtual float rootChunkError(const Qgs3DMapSettings &map) const
Returns error of the root chunk in world coordinates.
virtual QgsAABB rootChunkBbox(const Qgs3DMapSettings &map) const
Returns bounding box of the root chunk.
virtual QgsRectangle rootChunkExtent() const =0
extent of the terrain's root chunk in terrain's CRS
double y() const
Returns Y coordinate.
double z() const
Returns Z coordinate.
double x() const
Returns X coordinate.
3D renderer that renders all features of a vector layer with the same 3D symbol.
Represents a vector layer which manages a vector based data sets.
Q_INVOKABLE QgsWkbTypes::GeometryType geometryType() const
Returns point, line or polygon.
void selectionChanged(const QgsFeatureIds &selected, const QgsFeatureIds &deselected, bool clearAndSelect)
Emitted when selection was changed.
QgsMapLayerType
Types of layers that can be added to a map.
@ PointCloudLayer
Point cloud layer. Added in QGIS 3.18.
@ MeshLayer
Mesh layer. Added in QGIS 3.2.
@ VectorLayer
Vector layer.
@ RasterLayer
Raster layer.
@ GroupLayer
Composite group layer. Added in QGIS 3.24.
@ VectorTileLayer
Vector tile layer. Added in QGIS 3.14.
@ AnnotationLayer
Contains freeform, georeferenced annotations. Added in QGIS 3.16.
@ PluginLayer
Plugin based layer.
As part of the API refactoring and improvements which landed in the Processing API was substantially reworked from the x version This was done in order to allow much of the underlying Processing framework to be ported into c
bool qgsFloatNear(float a, float b, float epsilon=4 *FLT_EPSILON)
Compare two floats (but allow some difference)
void addQLayerComponentsToHierarchy(Qt3DCore::QEntity *entity, const QVector< Qt3DRender::QLayer * > &layers)
QgsChunkedEntity::SceneState sceneState_(QgsAbstract3DEngine *engine)
void removeQLayerComponentsFromHierarchy(Qt3DCore::QEntity *entity)
qint64 QgsFeatureId
64 bit feature ids negative numbers are used for uncommitted/newly added features
#define QgsDebugMsgLevel(str, level)