18#include <Qt3DRender/QCamera>
19#include <Qt3DRender/QMesh>
20#include <Qt3DRender/QRenderSettings>
21#include <Qt3DRender/QSceneLoader>
22#include <Qt3DExtras/QForwardRenderer>
23#include <Qt3DExtras/QPhongMaterial>
24#include <Qt3DExtras/QPhongAlphaMaterial>
25#include <Qt3DExtras/QDiffuseSpecularMaterial>
26#include <Qt3DExtras/QSphereMesh>
27#include <Qt3DLogic/QFrameAction>
28#include <Qt3DRender/QEffect>
29#include <Qt3DRender/QTechnique>
30#include <Qt3DRender/QRenderPass>
31#include <Qt3DRender/QRenderState>
32#include <Qt3DRender/QCullFace>
33#include <Qt3DRender/QDepthTest>
38#include <QOpenGLContext>
39#include <QOpenGLFunctions>
90 onBackgroundColorChanged();
95 mEngine->
renderSettings()->setRenderPolicy( Qt3DRender::QRenderSettings::OnDemand );
97 QRect viewportRect( QPoint( 0, 0 ), mEngine->
size() );
100 float aspectRatio = ( float )viewportRect.width() / viewportRect.height();
101 mEngine->
camera()->lens()->setPerspectiveProjection( mMap.
fieldOfView(), aspectRatio, 10.f, 10000.0f );
103 mFrameAction =
new Qt3DLogic::QFrameAction();
104 connect( mFrameAction, &Qt3DLogic::QFrameAction::triggered,
105 this, &Qgs3DMapScene::onFrameTriggered );
106 addComponent( mFrameAction );
112 addCameraViewCenterEntity( mEngine->
camera() );
113 addCameraRotationCenterEntity( mCameraController );
118 createTerrainDeferred();
147 const QList<QgsMapLayer *> modelVectorLayers = mModelVectorLayers;
153 if ( renderer->
type() == QLatin1String(
"vector" ) )
156 if ( pointSymbol->
shapeProperties().value( QStringLiteral(
"model" ) ).toString() == url )
158 removeLayerEntity( layer );
159 addLayerEntity( layer );
162 else if ( renderer->
type() == QLatin1String(
"rulebased" ) )
165 for (
auto rule : rules )
168 if ( pointSymbol->
shapeProperties().value( QStringLiteral(
"model" ) ).toString() == url )
170 removeLayerEntity( layer );
171 addLayerEntity( layer );
186 onSkyboxSettingsChanged();
191 onEyeDomeShadingSettingsChanged();
193 onDebugShadowMapSettingsChanged();
194 onDebugDepthMapSettingsChanged();
196 onAmbientOcclusionSettingsChanged();
199 onCameraMovementSpeedChanged();
201 on3DAxisSettingsChanged();
208 const double side = std::max( extent.
width(), extent.
height() );
209 double d = side / 2 / std::tan(
cameraController()->camera()->fieldOfView() / 2 * M_PI / 180 );
211 mCameraController->
resetView(
static_cast< float >( d ) );
222 float xSide = std::abs( p1.
x() - p2.
x() );
223 float ySide = std::abs( p1.
z() - p2.
z() );
226 float fov = 2 * std::atan( std::tan( qDegreesToRadians(
cameraController()->camera()->fieldOfView() ) / 2 ) *
cameraController()->camera()->aspectRatio() );
227 float r = xSide / 2.0f / std::tan( fov / 2.0f );
232 float fov = qDegreesToRadians(
cameraController()->camera()->fieldOfView() );
233 float r = ySide / 2.0f / std::tan( fov / 2.0f );
240 Qt3DRender::QCamera *camera = mCameraController->
camera();
241 QVector<QgsPointXY> extent;
242 QVector<int> pointsOrder = { 0, 1, 3, 2 };
243 for (
int i : pointsOrder )
245 const QPoint p( ( ( i >> 0 ) & 1 ) ? 0 : mEngine->
size().width(), ( ( i >> 1 ) & 1 ) ? 0 : mEngine->
size().height() );
247 QVector3D dir = ray.direction();
248 if ( dir.y() == 0.0 )
249 dir.setY( 0.000001 );
250 double t = - ray.origin().y() / dir.y();
254 t = camera->farPlane();
259 t = std::min<float>( t, camera->farPlane() );
261 QVector3D planePoint = ray.origin() + t * dir;
270 return mTerrain ? mTerrain->pendingJobsCount() : 0;
276 for ( Qgs3DMapSceneEntity *entity : std::as_const( mSceneEntities ) )
277 count += entity->pendingJobsCount();
283 Qt3DRender::QCamera *camera = mCameraController->
camera();
284 float fov = camera->fieldOfView();
285 const QSize size = mEngine->
size();
286 float screenSizePx = std::max( size.width(), size.height() );
290 float frustumWidthAtDistance = 2 * distance * tan( fov / 2 );
291 float err = frustumWidthAtDistance * epsilon / screenSizePx;
297 Qt3DRender::QCamera *camera = engine->
camera();
298 Qgs3DMapSceneEntity::SceneState state;
299 state.cameraFov = camera->fieldOfView();
300 state.cameraPos = camera->position();
301 const QSize size = engine->
size();
302 state.screenSizePx = std::max( size.width(), size.height() );
303 state.viewProjectionMatrix = camera->projectionMatrix() * camera->viewMatrix();
307void Qgs3DMapScene::onCameraChanged()
309 if ( mMap.
projectionType() == Qt3DRender::QCameraLens::OrthographicProjection )
311 QRect viewportRect( QPoint( 0, 0 ), mEngine->
size() );
312 const float viewWidthFromCenter = mCameraController->
distance();
313 const float viewHeightFromCenter = viewportRect.height() * viewWidthFromCenter / viewportRect.width();
314 mEngine->
camera()->lens()->setOrthographicProjection( -viewWidthFromCenter, viewWidthFromCenter, -viewHeightFromCenter, viewHeightFromCenter, mEngine->
camera()->nearPlane(), mEngine->
camera()->farPlane() );
318 bool changedCameraPlanes = updateCameraNearFarPlanes();
320 if ( changedCameraPlanes )
325 updateCameraNearFarPlanes();
328 onShadowSettingsChanged();
336 QVector<Qt3DCore::QComponent *> toBeRemovedComponents;
337 const Qt3DCore::QComponentVector entityComponents = entity->components();
338 for ( Qt3DCore::QComponent *component : entityComponents )
340 Qt3DRender::QLayer *layer = qobject_cast<Qt3DRender::QLayer *>( component );
341 if ( layer !=
nullptr )
342 toBeRemovedComponents.push_back( layer );
344 for ( Qt3DCore::QComponent *component : toBeRemovedComponents )
345 entity->removeComponent( component );
346 const QList< Qt3DCore::QEntity *> childEntities = entity->findChildren<Qt3DCore::QEntity *>();
347 for ( Qt3DCore::QEntity *obj : childEntities )
349 if ( obj !=
nullptr )
356 for ( Qt3DRender::QLayer *layer : layers )
357 entity->addComponent( layer );
359 const QList< Qt3DCore::QEntity *> childEntities = entity->findChildren<Qt3DCore::QEntity *>();
360 for ( Qt3DCore::QEntity *child : childEntities )
362 if ( child !=
nullptr )
367void Qgs3DMapScene::updateScene()
369 QgsEventTracing::addEvent( QgsEventTracing::Instant, QStringLiteral(
"3D" ), QStringLiteral(
"Update Scene" ) );
371 for ( Qgs3DMapSceneEntity *entity : std::as_const( mSceneEntities ) )
373 entity->handleSceneUpdate(
sceneState_( mEngine ) );
374 if ( entity->hasReachedGpuMemoryLimit() )
381bool Qgs3DMapScene::updateCameraNearFarPlanes()
396 QMatrix4x4 viewMatrix = camera->viewMatrix();
402 for ( Qgs3DMapSceneEntity *se : std::as_const( mSceneEntities ) )
404 const QgsRange<float> depthRange = se->getNearFarPlaneRange( viewMatrix );
406 fnear = std::min( fnear, depthRange.
lower() );
407 ffar = std::max( ffar, depthRange.
upper() );
416 if ( fnear == 1e9 && ffar == 0 )
426 std::swap( fnear, ffar );
429 float newFar = ffar * 2;
430 float newNear = fnear / 2;
433 camera->setFarPlane( newFar );
434 camera->setNearPlane( newNear );
441void Qgs3DMapScene::onFrameTriggered(
float dt )
445 for ( Qgs3DMapSceneEntity *entity : std::as_const( mSceneEntities ) )
447 if ( entity->isEnabled() && entity->needsUpdate() )
450 entity->handleSceneUpdate(
sceneState_( mEngine ) );
451 if ( entity->hasReachedGpuMemoryLimit() )
459 static int frameCount = 0;
460 static float accumulatedTime = 0.0f;
470 accumulatedTime += dt;
471 if ( accumulatedTime >= 0.2f )
473 float fps = ( float )frameCount / accumulatedTime;
475 accumulatedTime = 0.0f;
480void Qgs3DMapScene::createTerrain()
484 mSceneEntities.removeOne( mTerrain );
490 if ( !mTerrainUpdateScheduled )
493 QTimer::singleShot( 0,
this, &Qgs3DMapScene::createTerrainDeferred );
494 mTerrainUpdateScheduled =
true;
503void Qgs3DMapScene::createTerrainDeferred()
512 mMap.
terrainGenerator()->setupQuadtree( rootBbox, rootError, maxZoomLevel, clippingBbox );
514 mTerrain =
new QgsTerrainEntity( mMap );
515 mTerrain->setParent(
this );
518 mSceneEntities << mTerrain;
533 removeLayerEntity( layer );
536 addLayerEntity( layer );
541 mTerrainUpdateScheduled =
false;
544void Qgs3DMapScene::onBackgroundColorChanged()
549void Qgs3DMapScene::updateLights()
551 for ( Qt3DCore::QEntity *entity : std::as_const( mLightEntities ) )
552 entity->deleteLater();
553 mLightEntities.clear();
555 const QList< QgsLightSource * > newLights = mMap.
lightSources();
558 mLightEntities.append( source->createEntity( mMap,
this ) );
561 onShadowSettingsChanged();
564void Qgs3DMapScene::updateCameraLens()
571void Qgs3DMapScene::onLayerRenderer3DChanged()
573 QgsMapLayer *layer = qobject_cast<QgsMapLayer *>( sender() );
577 removeLayerEntity( layer );
580 addLayerEntity( layer );
583void Qgs3DMapScene::onLayersChanged()
585 QSet<QgsMapLayer *> layersBefore = qgis::listToSet( mLayerEntities.keys() );
586 QList<QgsMapLayer *> layersAdded;
590 if ( !layersBefore.contains( layer ) )
592 layersAdded << layer;
596 layersBefore.remove( layer );
601 for (
QgsMapLayer *layer : std::as_const( layersBefore ) )
603 removeLayerEntity( layer );
606 for (
QgsMapLayer *layer : std::as_const( layersAdded ) )
608 addLayerEntity( layer );
614 const QList<QgsMapLayer * >
layers = mLayerEntities.keys();
619 removeLayerEntity( layer );
620 addLayerEntity( layer );
625void Qgs3DMapScene::addLayerEntity(
QgsMapLayer *layer )
627 bool needsSceneUpdate =
false;
636 ( renderer->
type() == QLatin1String(
"vector" ) || renderer->
type() == QLatin1String(
"rulebased" ) ) )
639 if ( renderer->
type() == QLatin1String(
"vector" ) )
647 mModelVectorLayers.append( layer );
651 else if ( renderer->
type() == QLatin1String(
"rulebased" ) )
654 for (
auto rule : rules )
659 mModelVectorLayers.append( layer );
687 Qt3DCore::QEntity *newEntity = renderer->
createEntity( mMap );
690 newEntity->setParent(
this );
691 mLayerEntities.insert( layer, newEntity );
693 finalizeNewEntity( newEntity );
695 if ( Qgs3DMapSceneEntity *sceneNewEntity = qobject_cast<Qgs3DMapSceneEntity *>( newEntity ) )
697 needsSceneUpdate =
true;
698 mSceneEntities.append( sceneNewEntity );
700 connect( sceneNewEntity, &Qgs3DMapSceneEntity::newEntityCreated,
this, [
this]( Qt3DCore::QEntity * entity )
702 finalizeNewEntity( entity );
710 if ( needsSceneUpdate )
735void Qgs3DMapScene::removeLayerEntity(
QgsMapLayer *layer )
737 Qt3DCore::QEntity *entity = mLayerEntities.take( layer );
739 if ( Qgs3DMapSceneEntity *sceneEntity = qobject_cast<Qgs3DMapSceneEntity *>( entity ) )
741 mSceneEntities.removeOne( sceneEntity );
745 entity->deleteLater();
754 mModelVectorLayers.removeAll( layer );
770void Qgs3DMapScene::finalizeNewEntity( Qt3DCore::QEntity *newEntity )
774 const QList< QgsLineMaterial *> childLineMaterials = newEntity->findChildren<QgsLineMaterial *>();
775 for ( QgsLineMaterial *lm : childLineMaterials )
779 lm->setViewportSize( mEngine->
size() );
782 lm->setViewportSize( mEngine->
size() );
790 bm->setViewportSize( mEngine->
size() );
799 const QList< Qt3DRender::QMaterial *> childMaterials = newEntity->findChildren<Qt3DRender::QMaterial *>();
800 for ( Qt3DRender::QMaterial *material : childMaterials )
803 if ( Qt3DExtras::QDiffuseSpecularMaterial *ph = qobject_cast<Qt3DExtras::QDiffuseSpecularMaterial *>( material ) )
805 if ( ph->diffuse().value<QColor>().alphaF() != 1.0f )
807 Qt3DCore::QEntity *entity = qobject_cast<Qt3DCore::QEntity *>( ph->parent() );
808 if ( entity && !entity->components().contains( transparentLayer ) )
810 entity->addComponent( transparentLayer );
817 Qt3DRender::QEffect *effect = material->effect();
820 const QVector< Qt3DRender::QParameter *> parameters = effect->parameters();
821 for (
const Qt3DRender::QParameter *parameter : parameters )
823 if ( parameter->name() ==
"opacity" && parameter->value() != 1.0f )
825 Qt3DCore::QEntity *entity = qobject_cast<Qt3DCore::QEntity *>( material->parent() );
826 if ( entity && !entity->components().contains( transparentLayer ) )
828 entity->addComponent( transparentLayer );
838int Qgs3DMapScene::maximumTextureSize()
const
840 QSurface *surface = mEngine->
surface();
841 QOpenGLContext context;
843 bool success = context.makeCurrent( surface );
847 QOpenGLFunctions openglFunctions = QOpenGLFunctions( &context );
850 openglFunctions.initializeOpenGLFunctions();
851 openglFunctions.glGetIntegerv( GL_MAX_TEXTURE_SIZE, &size );
861void Qgs3DMapScene::addCameraViewCenterEntity( Qt3DRender::QCamera *camera )
863 mEntityCameraViewCenter =
new Qt3DCore::QEntity;
865 Qt3DCore::QTransform *trCameraViewCenter =
new Qt3DCore::QTransform;
866 mEntityCameraViewCenter->addComponent( trCameraViewCenter );
867 connect( camera, &Qt3DRender::QCamera::viewCenterChanged,
this, [trCameraViewCenter, camera]
869 trCameraViewCenter->setTranslation( camera->viewCenter() );
872 Qt3DExtras::QPhongMaterial *materialCameraViewCenter =
new Qt3DExtras::QPhongMaterial;
873 materialCameraViewCenter->setAmbient( Qt::red );
874 mEntityCameraViewCenter->addComponent( materialCameraViewCenter );
876 Qt3DExtras::QSphereMesh *rendererCameraViewCenter =
new Qt3DExtras::QSphereMesh;
877 rendererCameraViewCenter->setRadius( 10 );
878 mEntityCameraViewCenter->addComponent( rendererCameraViewCenter );
881 mEntityCameraViewCenter->setParent(
this );
891 if ( mSceneState == state )
897void Qgs3DMapScene::updateSceneState()
899 if ( mTerrainUpdateScheduled )
905 for ( Qgs3DMapSceneEntity *entity : std::as_const( mSceneEntities ) )
907 if ( entity->isEnabled() && entity->pendingJobsCount() > 0 )
914 setSceneState(
Ready );
917void Qgs3DMapScene::onSkyboxSettingsChanged()
920 if ( mSkybox !=
nullptr )
922 mSkybox->deleteLater();
930 QMap<QString, QString> faces;
936 faces[QStringLiteral(
"posX" )], faces[QStringLiteral(
"posY" )], faces[QStringLiteral(
"posZ" )],
937 faces[QStringLiteral(
"negX" )], faces[QStringLiteral(
"negY" )], faces[QStringLiteral(
"negZ" )],
948void Qgs3DMapScene::onShadowSettingsChanged()
952 const QList< QgsLightSource * > lightSources = mMap.
lightSources();
953 QList< QgsDirectionalLightSettings * > directionalLightSources;
958 directionalLightSources << qgis::down_cast< QgsDirectionalLightSettings * >( source );
964 if ( shadowSettings.
renderShadows() && selectedLight >= 0 && selectedLight < directionalLightSources.count() )
976void Qgs3DMapScene::onAmbientOcclusionSettingsChanged()
986void Qgs3DMapScene::onDebugShadowMapSettingsChanged()
992void Qgs3DMapScene::onDebugDepthMapSettingsChanged()
998void Qgs3DMapScene::onDebugOverlayEnabledChanged()
1004void Qgs3DMapScene::onEyeDomeShadingSettingsChanged()
1014void Qgs3DMapScene::onCameraMovementSpeedChanged()
1019void Qgs3DMapScene::onCameraNavigationModeChanged()
1026 QVector<QString> notParsedLayers;
1036 for (
auto it = mLayerEntities.constBegin(); it != mLayerEntities.constEnd(); ++it )
1039 Qt3DCore::QEntity *rootEntity = it.value();
1041 switch ( layerType )
1045 notParsedLayers.push_back( layer->
name() );
1055 notParsedLayers.push_back( layer->
name() );
1065 if ( !notParsedLayers.empty() )
1067 QString message = tr(
"The following layers were not exported:" ) +
"\n";
1068 for (
const QString &layerName : notParsedLayers )
1069 message += layerName +
"\n";
1076 QVector<const QgsChunkNode *> chunks;
1077 if ( !mLayerEntities.contains( layer ) )
return chunks;
1078 if ( QgsChunkedEntity *
c = qobject_cast<QgsChunkedEntity *>( mLayerEntities[ layer ] ) )
1080 const QList< QgsChunkNode * > activeNodes =
c->activeNodes();
1081 for ( QgsChunkNode *n : activeNodes )
1082 chunks.push_back( n );
1094 double yMin = std::numeric_limits< double >::max();
1095 double yMax = std::numeric_limits< double >::lowest();
1098 const QgsAABB bbox = mTerrain->rootNode()->bbox();
1099 yMin = std::min( yMin,
static_cast< double >( bbox.
yMin ) );
1100 yMax = std::max( yMax,
static_cast< double >( bbox.
yMax ) );
1103 for (
auto it = mLayerEntities.constBegin(); it != mLayerEntities.constEnd(); it++ )
1106 switch ( layer->
type() )
1112 yMin = std::min( yMin, zRange.
lower() );
1113 yMax = std::max( yMax, zRange.
upper() );
1118 QgsMeshLayer *meshLayer = qobject_cast< QgsMeshLayer *>( layer );
1126 yMin = std::min( yMin, verticalGroupMetadata.
minimum() * verticalScale );
1127 yMax = std::max( yMax, verticalGroupMetadata.
maximum() * verticalScale );
1137 yMin = std::min( yMin, zRange.
lower() );
1138 yMax = std::max( yMax, zRange.
upper() );
1151 const QgsDoubleRange yRange( std::min( yMin, std::numeric_limits<double>::max() ),
1152 std::max( yMax, std::numeric_limits<double>::lowest() ) );
1163 mEntityRotationCenter =
new Qt3DCore::QEntity;
1165 Qt3DCore::QTransform *trCameraViewCenter =
new Qt3DCore::QTransform;
1166 mEntityRotationCenter->addComponent( trCameraViewCenter );
1167 Qt3DExtras::QPhongMaterial *materialCameraViewCenter =
new Qt3DExtras::QPhongMaterial;
1168 materialCameraViewCenter->setAmbient( Qt::blue );
1169 mEntityRotationCenter->addComponent( materialCameraViewCenter );
1170 Qt3DExtras::QSphereMesh *rendererCameraViewCenter =
new Qt3DExtras::QSphereMesh;
1171 rendererCameraViewCenter->setRadius( 10 );
1172 mEntityRotationCenter->addComponent( rendererCameraViewCenter );
1173 mEntityRotationCenter->setEnabled(
true );
1174 mEntityRotationCenter->setParent(
this );
1178 trCameraViewCenter->setTranslation( center );
1189void Qgs3DMapScene::on3DAxisSettingsChanged()
1199 m3DAxis =
new Qgs3DAxis(
static_cast<Qt3DExtras::Qt3DWindow *
>(
engine->window() ),
LayerType
Types of layers that can be added to a map.
@ Group
Composite group layer. Added in QGIS 3.24.
@ Plugin
Plugin based layer.
@ TiledScene
Tiled scene layer. Added in QGIS 3.34.
@ Annotation
Contains freeform, georeferenced annotations. Added in QGIS 3.16.
@ VectorTile
Vector tile layer. Added in QGIS 3.14.
@ Mesh
Mesh layer. Added in QGIS 3.2.
@ PointCloud
Point cloud layer. Added in QGIS 3.18.
@ 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.
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)
Qgs3DMapScene(Qgs3DMapSettings &map, QgsAbstract3DEngine *engine)
Constructs a 3D scene based on map settings and Qt 3D renderer configuration.
void gpuMemoryLimitReached()
Emitted when one of the entities reaches its GPU memory limit and it is not possible to lower the GPU...
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.
static QMap< QString, Qgs3DMapScene * > openScenes()
Returns a map of 3D map scenes (by name) open in the QGIS application.
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.
QList< QgsMapLayer * > layers()
Returns the layers that contain chunked entities.
QgsCameraController * cameraController()
Returns camera controller.
static std::function< QMap< QString, Qgs3DMapScene * >() > sOpenScenesFunction
Static function for returning open 3D map scenes.
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 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.
Qgis::NavigationMode cameraNavigationMode() const
Returns the navigation mode used by the camera.
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.
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.
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 void computeBoundingBoxNearFarPlanes(const QgsAABB &bbox, const QMatrix4x4 &viewMatrix, float &fnear, float &ffar)
This routine computes nearPlane farPlane from the closest and farthest corners point of bounding box ...
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.
float distance() const
Returns distance of the camera from the point it is looking at.
void setCameraNavigationMode(Qgis::NavigationMode navigationMode)
Sets the navigation mode used by the camera controller.
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.
bool isInfinite() const
Returns true if the range consists of all possible 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.
double verticalScale() const
Returns mesh vertical scale.
int verticalDatasetGroupIndex() const
Returns the index of the dataset group that will be used to render the vertical component of the 3D m...
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.
QgsMeshDatasetGroupMetadata datasetGroupMetadata(const QgsMeshDatasetIndex &index) const
Returns the dataset groups metadata.
virtual void showMessage(bool blocking=true)=0
display the message to the user and deletes itself
A skybox constructed from a panoramic image.
void setViewportSize(const QSizeF size)
Set the size of the view port.
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.
A template based class for storing ranges (lower to upper values).
T lower() const
Returns the lower bound of the range.
T upper() const
Returns the upper bound of the range.
bool isEmpty() const
Returns true if the range is empty, ie the lower bound equals (or exceeds) the upper bound and either...
A representation of a ray in 3D.
A rectangle specified with double values.
double xMinimum() const
Returns the x minimum value (left side of rectangle).
double yMinimum() const
Returns the y minimum value (bottom side of rectangle).
double width() const
Returns the width of the rectangle.
double xMaximum() const
Returns the x maximum value (right side of rectangle).
double yMaximum() const
Returns the y maximum value (top side of rectangle).
QgsPointXY center() const
Returns the center point of the rectangle.
double height() const
Returns the height 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
void setLayer(QgsTiledSceneLayer *layer)
Sets tiled scene layer associated with the renderer.
Represents a map layer supporting display of tiled scene objects.
QgsMapLayerElevationProperties * elevationProperties() override
Returns the layer's elevation properties.
Class for storage of 3D vectors similar to QVector3D, with the difference that it uses double precisi...
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 Qgis::GeometryType geometryType() const
Returns point, line or polygon.
void selectionChanged(const QgsFeatureIds &selected, const QgsFeatureIds &deselected, bool clearAndSelect)
Emitted when selection was changed.
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)
Qgs3DMapSceneEntity::SceneState sceneState_(QgsAbstract3DEngine *engine)
void removeQLayerComponentsFromHierarchy(Qt3DCore::QEntity *entity)
#define QgsDebugMsgLevel(str, level)