48#include <Qt3DExtras/QPhongMaterial>
49#include <Qt3DRender/QRenderSettings>
57 engine.
renderSettings()->setRenderPolicy( Qt3DRender::QRenderSettings::RenderPolicy::Always );
59 auto requestImageFcn = [&engine, scene]
63 engine.
renderSettings()->setRenderPolicy( Qt3DRender::QRenderSettings::RenderPolicy::OnDemand );
68 auto saveImageFcn = [&evLoop, &resImage](
const QImage & img )
75 QMetaObject::Connection conn2;
89 QObject::disconnect( conn1 );
91 QObject::disconnect( conn2 );
93 engine.
renderSettings()->setRenderPolicy( Qt3DRender::QRenderSettings::RenderPolicy::OnDemand );
103 engine.
renderSettings()->setRenderPolicy( Qt3DRender::QRenderSettings::RenderPolicy::Always );
105 auto requestImageFcn = [&engine, scene]
109 engine.
renderSettings()->setRenderPolicy( Qt3DRender::QRenderSettings::RenderPolicy::OnDemand );
114 auto saveImageFcn = [&evLoop, &resImage](
const QImage & img )
121 QMetaObject::Connection conn2;
135 QObject::disconnect( conn1 );
137 QObject::disconnect( conn2 );
139 engine.
renderSettings()->setRenderPolicy( Qt3DRender::QRenderSettings::RenderPolicy::OnDemand );
146 const QString &outputDirectory,
147 const QString &fileNameTemplate,
148 const QSize &outputSize,
153 if ( animationSettings.
keyFrames().size() < 2 )
155 error = QObject::tr(
"Unable to export 3D animation. Add at least 2 keyframes" );
159 const float duration = animationSettings.
duration();
162 error = QObject::tr(
"Unable to export 3D animation (invalid duration)." );
168 const int totalFrames =
static_cast<int>( duration * framesPerSecond );
170 if ( fileNameTemplate.isEmpty() )
172 error = QObject::tr(
"Filename template is empty" );
176 const int numberOfDigits = fileNameTemplate.count( QLatin1Char(
'#' ) );
177 if ( numberOfDigits < 0 )
179 error = QObject::tr(
"Wrong filename template format (must contain #)" );
182 const QString token( numberOfDigits, QLatin1Char(
'#' ) );
183 if ( !fileNameTemplate.contains( token ) )
185 error = QObject::tr(
"Filename template must contain all # placeholders in one continuous group." );
189 if ( !QDir().exists( outputDirectory ) )
191 if ( !QDir().mkpath( outputDirectory ) )
193 error = QObject::tr(
"Output directory could not be created." );
203 engine.
renderSettings()->setRenderPolicy( Qt3DRender::QRenderSettings::RenderPolicy::Always );
205 while ( time <= duration )
212 error = QObject::tr(
"Export canceled" );
215 feedback->
setProgress( frameNo /
static_cast<double>( totalFrames ) * 100 );
222 QString fileName( fileNameTemplate );
223 const QString frameNoPaddedLeft( QStringLiteral(
"%1" ).arg( frameNo, numberOfDigits, 10, QChar(
'0' ) ) );
224 fileName.replace( token, frameNoPaddedLeft );
225 const QString path = QDir( outputDirectory ).filePath( fileName );
231 time += 1.0f /
static_cast<float>( framesPerSecond );
240 if ( maxError <= 0 || tileResolution <= 0 || tile0width <= 0 )
247 const double zoomLevel = -log( tileResolution * maxError / tile0width ) / log( 2 );
248 return round( zoomLevel );
256 return QStringLiteral(
"absolute" );
258 return QStringLiteral(
"relative" );
260 return QStringLiteral(
"terrain" );
268 if (
str == QLatin1String(
"absolute" ) )
270 else if (
str == QLatin1String(
"terrain" ) )
282 return QStringLiteral(
"vertex" );
284 return QStringLiteral(
"centroid" );
292 if (
str == QLatin1String(
"vertex" ) )
303 return QStringLiteral(
"no-culling" );
305 return QStringLiteral(
"front" );
307 return QStringLiteral(
"back" );
309 return QStringLiteral(
"front-and-back" );
316 if (
str == QLatin1String(
"front" ) )
318 else if (
str == QLatin1String(
"back" ) )
320 else if (
str == QLatin1String(
"front-and-back" ) )
376 pt.
setX( lineString->
xAt( i ) );
377 pt.
setY( lineString->
yAt( i ) );
399 geomZ = lineString->
zAt( i );
407 lineString->
setZAt( i, z );
414 if ( !polygon->
is3D() )
429 QgsLineString *lineString = qgsgeometry_cast<QgsLineString *>( curve );
438 QgsLineString *lineString = qgsgeometry_cast<QgsLineString *>( curve );
450 const float *d = m.constData();
453 for (
int i = 0; i < 16; ++i )
454 elems << QString::number( d[i] );
455 return elems.join(
' ' );
462 QStringList elems =
str.split(
' ' );
463 for (
int i = 0; i < 16; ++i )
464 d[i] = elems[i].toFloat();
490 h = terrainZ + geomZ;
493 positions.append( QVector3D( pt.
x() - map.
origin().
x(), h, -( pt.
y() - map.
origin().
y() ) ) );
494 QgsDebugMsgLevel( QStringLiteral(
"%1 %2 %3" ).arg( positions.last().x() ).arg( positions.last().y() ).arg( positions.last().z() ), 2 );
503static inline uint outcode( QVector4D v )
513 if ( v.x() < -v.w() ) code |= 0x01;
514 if ( v.x() > v.w() ) code |= 0x02;
515 if ( v.y() < -v.w() ) code |= 0x04;
516 if ( v.y() > v.w() ) code |= 0x08;
517 if ( v.z() < -v.w() ) code |= 0x10;
518 if ( v.z() > v.w() ) code |= 0x20;
537 for (
int i = 0; i < 8; ++i )
539 const QVector4D p( ( ( i >> 0 ) & 1 ) ? bbox.
xMin : bbox.
xMax,
540 ( ( i >> 1 ) & 1 ) ? bbox.
yMin : bbox.
yMax,
541 ( ( i >> 2 ) & 1 ) ? bbox.
zMin : bbox.
zMax, 1 );
542 const QVector4D pc = viewProjectionMatrix * p;
546 out = out & outcode( pc );
554 mapCoords.
z() - origin.
z(),
555 -( mapCoords.
y() - origin.
y() ) );
562 -worldCoords.
z() + origin.
y(),
563 worldCoords.
y() + origin.
z() );
581 QgsDebugError( QStringLiteral(
"3D utils: transformation of extent failed: " ) + extentMapCrs.
toString( -1 ) );
605 QgsAABB rootBbox( worldExtentMin3D.
x(), worldExtentMin3D.
y(), worldExtentMin3D.
z(),
606 worldExtentMax3D.
x(), worldExtentMax3D.
y(), worldExtentMax3D.
z() );
614 const QgsRectangle extentMap( worldExtentMin3D.
x(), worldExtentMin3D.
y(), worldExtentMax3D.
x(), worldExtentMax3D.
y() );
631 mapPoint2.
set( pt.
x(), pt.
y(), mapPoint1.
z() );
650 zMin = std::numeric_limits<double>::max();
651 zMax = std::numeric_limits<double>::lowest();
660 const double z = ( *vit ).z();
661 if ( z < zMin ) zMin = z;
662 if ( z > zMax ) zMax = z;
666 if ( zMin == std::numeric_limits<double>::max() && zMax == std::numeric_limits<double>::lowest() )
694 const QVector3D deviceCoords( point.x(), point.y(), 0.0 );
696 const QVector3D normDeviceCoords( 2.0 * deviceCoords.x() / windowSize.width() - 1.0f, 1.0f - 2.0 * deviceCoords.y() / windowSize.height(), camera->nearPlane() );
698 const QVector4D rayClip( normDeviceCoords.x(), normDeviceCoords.y(), -1.0, 0.0 );
700 const QMatrix4x4 invertedProjMatrix = camera->projectionMatrix().inverted();
701 const QMatrix4x4 invertedViewMatrix = camera->viewMatrix().inverted();
704 QVector4D rayDirView = invertedProjMatrix * rayClip;
706 const QVector4D rayOriginWorld = invertedViewMatrix * QVector4D( 0.0f, 0.0f, 0.0f, 1.0f );
709 rayDirView.setZ( -1.0f );
710 rayDirView.setW( 0.0f );
711 const QVector4D rayDirWorld4D = invertedViewMatrix * rayDirView;
712 QVector3D rayDirWorld( rayDirWorld4D.x(), rayDirWorld4D.y(), rayDirWorld4D.z() );
713 rayDirWorld = rayDirWorld.normalized();
715 return QgsRay3D( QVector3D( rayOriginWorld ), rayDirWorld );
720 double dNear = camera->nearPlane();
721 double dFar = camera->farPlane();
722 double distance = ( 2.0 * dNear * dFar ) / ( dFar + dNear - ( depth * 2 - 1 ) * ( dFar - dNear ) );
725 double dot = QVector3D::dotProduct( ray.
direction(), camera->viewVector().normalized() );
735 pitch = qRadiansToDegrees( qAcos( vect.y() ) );
736 yaw = qRadiansToDegrees( qAtan2( -vect.z(), vect.x() ) ) + 90;
741 return QVector2D( screenXY.x() / winSize.width(), 1 - screenXY.y() / winSize.width() );
746 return QVector2D( textureXY.x() * winSize.width(), ( 1 - textureXY.y() ) * winSize.height() );
754 std::unique_ptr< QgsPointCloud3DSymbol > symbol3D;
755 if ( renderer->
type() == QLatin1String(
"ramp" ) )
758 symbol3D = std::make_unique< QgsColorRampPointCloud3DSymbol >();
764 else if ( renderer->
type() == QLatin1String(
"rgb" ) )
767 symbol3D = std::make_unique< QgsRgbPointCloud3DSymbol >();
777 else if ( renderer->
type() == QLatin1String(
"classified" ) )
781 symbol3D = std::make_unique< QgsClassificationPointCloud3DSymbol >();
789 std::unique_ptr< QgsPointCloudLayer3DRenderer > renderer3D = std::make_unique< QgsPointCloudLayer3DRenderer >();
790 renderer3D->setSymbol( symbol3D.release() );
798 QgsRayCastingUtils::Ray3D r( ray.
origin(), ray.
direction(), context.maxDistance );
799 QHash<QgsMapLayer *, QVector<QgsRayCastingUtils:: RayHit>> results;
800 const QList<QgsMapLayer *> keys = scene->
layers();
803 Qt3DCore::QEntity *entity = scene->
layerEntity( layer );
805 if ( QgsChunkedEntity *chunkedEntity = qobject_cast<QgsChunkedEntity *>( entity ) )
807 const QVector<QgsRayCastingUtils::RayHit> result = chunkedEntity->rayIntersection( r, context );
808 if ( !result.isEmpty() )
809 results[ layer ] = result;
814 const QVector<QgsRayCastingUtils::RayHit> result = terrain->rayIntersection( r, context );
815 if ( !result.isEmpty() )
816 results[ nullptr ] = result;
843 float phi = epsilon * screenSize / ( 2 * distance * tan( fov * M_PI / ( 2 * 180 ) ) );
AltitudeClamping
Altitude clamping.
@ Relative
Elevation is relative to terrain height (final elevation = terrain elevation + feature elevation)
@ Terrain
Elevation is clamped to terrain (final elevation = terrain elevation)
@ Absolute
Elevation is taken directly from feature and is independent of terrain height (final elevation = feat...
AltitudeBinding
Altitude binding.
@ Centroid
Clamp just centroid of feature.
@ Vertex
Clamp every vertex of feature.
Keyframe interpolate(float time) const
Interpolates camera position and rotation at the given point in time.
float duration() const
Returns duration of the whole animation in seconds.
Keyframes keyFrames() const
Returns keyframes of the animation.
@ Ready
The scene is fully loaded/updated.
QgsTerrainEntity * terrainEntity()
Returns terrain entity (may be temporarily nullptr)
Qt3DCore::QEntity * layerEntity(QgsMapLayer *layer) const
Returns the entity belonging to layer.
void sceneStateChanged()
Emitted when the scene's state has changed.
SceneState sceneState() const
Returns the current state of the scene.
QList< QgsMapLayer * > layers()
Returns the layers that contain chunked entities.
QgsCameraController * cameraController()
Returns camera controller.
double terrainVerticalScale() const
Returns vertical scale (exaggeration) of terrain.
QgsTerrainGenerator * terrainGenerator() const
Returns the terrain generator.
bool terrainRenderingEnabled() const
Returns whether the 2D terrain surface will be rendered.
QgsVector3D origin() const
Returns coordinates in map CRS at which 3D scene has origin (0,0,0)
CullingMode
Triangle culling mode.
@ FrontAndBack
Will not render anything.
@ NoCulling
Will render both front and back faces of triangles.
@ Front
Will render only back faces of triangles.
@ Back
Will render only front faces of triangles (recommended when input data are consistent)
static QgsVector3D transformWorldCoordinates(const QgsVector3D &worldPoint1, const QgsVector3D &origin1, const QgsCoordinateReferenceSystem &crs1, const QgsVector3D &origin2, const QgsCoordinateReferenceSystem &crs2, const QgsCoordinateTransformContext &context)
Transforms a world point from (origin1, crs1) to (origin2, crs2)
static Qgs3DTypes::CullingMode cullingModeFromString(const QString &str)
Converts a string to a value from CullingMode enum.
static Qgis::AltitudeClamping altClampingFromString(const QString &str)
Converts a string to a value from AltitudeClamping enum.
static QString matrix4x4toString(const QMatrix4x4 &m)
Converts a 4x4 transform matrix to a string.
static QgsRectangle worldToMapExtent(const QgsAABB &bbox, const QgsVector3D &mapOrigin)
Converts axis aligned bounding box in 3D world coordinates to extent in map coordinates.
static QgsRectangle worldToLayerExtent(const QgsAABB &bbox, const QgsCoordinateReferenceSystem &layerCrs, const QgsVector3D &mapOrigin, const QgsCoordinateReferenceSystem &mapCrs, const QgsCoordinateTransformContext &context)
Converts axis aligned bounding box in 3D world coordinates to extent in map layer CRS.
static void pitchAndYawFromViewVector(QVector3D vect, double &pitch, double &yaw)
Function used to extract the pitch and yaw (also known as heading) angles in degrees from the view ve...
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 QgsAABB layerToWorldExtent(const QgsRectangle &extent, double zMin, double zMax, const QgsCoordinateReferenceSystem &layerCrs, const QgsVector3D &mapOrigin, const QgsCoordinateReferenceSystem &mapCrs, const QgsCoordinateTransformContext &context)
Converts extent (in map layer's CRS) to axis aligned bounding box in 3D world coordinates.
static Qgis::AltitudeBinding altBindingFromString(const QString &str)
Converts a string to a value from AltitudeBinding enum.
static QString cullingModeToString(Qgs3DTypes::CullingMode mode)
Converts a value from CullingMode enum to a string.
static QHash< QgsMapLayer *, QVector< QgsRayCastingUtils::RayHit > > castRay(Qgs3DMapScene *scene, const QgsRay3D &ray, const QgsRayCastingUtils::RayCastContext &context)
Casts a ray through the scene and returns information about the intersecting entities (ray uses World...
static void extractPointPositions(const QgsFeature &f, const Qgs3DMapSettings &map, Qgis::AltitudeClamping altClamp, QVector< QVector3D > &positions)
Calculates (x,y,z) positions of (multi)point from the given feature.
static bool isCullable(const QgsAABB &bbox, const QMatrix4x4 &viewProjectionMatrix)
Returns true if bbox is completely outside the current viewing volume.
static QVector2D screenToTextureCoordinates(QVector2D screenXY, QSize winSize)
Converts from screen coordinates to texture coordinates.
static void estimateVectorLayerZRange(QgsVectorLayer *layer, double &zMin, double &zMax)
Try to estimate range of Z values used in the given vector layer and store that in zMin and zMax.
static QgsPhongMaterialSettings phongMaterialFromQt3DComponent(Qt3DExtras::QPhongMaterial *material)
Returns phong material settings object based on the Qt3D material.
static QString altClampingToString(Qgis::AltitudeClamping altClamp)
Converts a value from AltitudeClamping enum to a string.
static QgsRectangle tryReprojectExtent2D(const QgsRectangle &extent, const QgsCoordinateReferenceSystem &crs1, const QgsCoordinateReferenceSystem &crs2, const QgsCoordinateTransformContext &context)
Reprojects extent from crs1 to crs2 coordinate reference system with context context.
static void clampAltitudes(QgsLineString *lineString, Qgis::AltitudeClamping altClamp, Qgis::AltitudeBinding altBind, const QgsPoint ¢roid, float height, const Qgs3DMapSettings &map)
Clamps altitude of vertices of a linestring according to the settings.
static QMatrix4x4 stringToMatrix4x4(const QString &str)
Convert a string to a 4x4 transform matrix.
static QgsVector3D worldToMapCoordinates(const QgsVector3D &worldCoords, const QgsVector3D &origin)
Converts 3D world coordinates to map coordinates (applies offset and turns (x,y,z) into (x,...
static QgsVector3D mapToWorldCoordinates(const QgsVector3D &mapCoords, const QgsVector3D &origin)
Converts map coordinates to 3D world coordinates (applies offset and turns (x,y,z) into (x,...
static QVector2D textureToScreenCoordinates(QVector2D textureXY, QSize winSize)
Converts from texture coordinates coordinates to screen coordinates.
static bool exportAnimation(const Qgs3DAnimationSettings &animationSettings, Qgs3DMapSettings &mapSettings, int framesPerSecond, const QString &outputDirectory, const QString &fileNameTemplate, const QSize &outputSize, QString &error, QgsFeedback *feedback=nullptr)
Captures 3D animation frames to the selected folder.
static QVector3D screenPointToWorldPos(const QPoint &screenPoint, double depth, const QSize &screenSize, Qt3DRender::QCamera *camera)
Converts the clicked mouse position to the corresponding 3D world coordinates.
static QString altBindingToString(Qgis::AltitudeBinding altBind)
Converts a value from AltitudeBinding enum to a string.
static float screenSpaceError(float epsilon, float distance, float screenSize, float fov)
This routine approximately calculates how an error (epsilon) of an object in world coordinates at giv...
static float clampAltitude(const QgsPoint &p, Qgis::AltitudeClamping altClamp, Qgis::AltitudeBinding altBind, float height, const QgsPoint ¢roid, const Qgs3DMapSettings &map)
Clamps altitude of a vertex according to the settings, returns Z value.
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.
static QImage captureSceneImage(QgsAbstract3DEngine &engine, Qgs3DMapScene *scene)
Captures image of the current 3D scene of a 3D engine.
static std::unique_ptr< QgsPointCloudLayer3DRenderer > convert2DPointCloudRendererTo3D(QgsPointCloudRenderer *renderer)
Creates a QgsPointCloudLayer3DRenderer matching the symbol settings of a given QgsPointCloudRenderer.
static QImage captureSceneDepthBuffer(QgsAbstract3DEngine &engine, Qgs3DMapScene *scene)
Captures the depth buffer of the current 3D scene of a 3D engine.
static QgsExpressionContext globalProjectLayerExpressionContext(QgsVectorLayer *layer)
Returns expression context for use in preparation of 3D data of a layer.
void requestCaptureImage()
Starts a request for an image rendered by the engine.
void requestDepthBufferCapture()
Starts a request for an image containing the depth buffer data of the engine.
void imageCaptured(const QImage &image)
Emitted after a call to requestCaptureImage() to return the captured image.
void depthBufferCaptured(const QImage &image)
Emitted after a call to requestDepthBufferCapture() to return the captured depth buffer.
virtual Qt3DRender::QRenderSettings * renderSettings()=0
Returns access to the engine's render settings (the frame graph can be accessed from here)
Abstract base class for all geometries.
vertex_iterator vertices_end() const
Returns STL-style iterator pointing to the imaginary vertex after the last vertex of the geometry.
bool is3D() const SIP_HOLDGIL
Returns true if the geometry is 3D and contains a z-value.
vertex_iterator vertices_begin() const
Returns STL-style iterator pointing to the first vertex of the geometry.
virtual QgsPoint centroid() const
Returns the centroid of the geometry.
void setLookingAtPoint(const QgsVector3D &point, float distance, float pitch, float yaw)
Sets the complete camera configuration: the point towards it is looking (in 3D world coordinates),...
void setCategoriesList(const QgsPointCloudCategoryList &categories)
Sets the list of categories of the classification.
void setAttribute(const QString &attribute)
Sets the attribute used to select the color of the point cloud.
void setAttribute(const QString &attribute)
Sets the attribute used to select the color of the point cloud.
void setColorRampShaderMinMax(double min, double max)
Sets the minimum and maximum values used when classifying colors in the color ramp shader.
void setColorRampShader(const QgsColorRampShader &colorRampShader)
Sets the color ramp shader used to render the point cloud.
Manipulates raster or point cloud pixel values so that they enhanceContrast or clip into a specified ...
This class represents a coordinate reference system (CRS).
Contains information about the context in which a coordinate transform is executed.
Custom exception class for Coordinate Reference System related exceptions.
bool addZValue(double zValue=0) override
Adds a z-dimension to the geometry, initialized to a preset value.
const QgsCurve * interiorRing(int i) const SIP_HOLDGIL
Retrieves an interior ring from the curve polygon.
const QgsCurve * exteriorRing() const SIP_HOLDGIL
Returns the curve polygon's exterior ring.
int numInteriorRings() const SIP_HOLDGIL
Returns the number of interior rings contained with the curve polygon.
Abstract base class for curved geometry type.
static QgsExpressionContextScope * projectScope(const QgsProject *project)
Creates a new scope which contains variables and functions relating to a QGIS project.
static QgsExpressionContextScope * layerScope(const QgsMapLayer *layer)
Creates a new scope which contains variables and functions relating to a QgsMapLayer.
static QgsExpressionContextScope * globalScope()
Creates a new scope which contains variables and functions relating to the global QGIS context.
Expression contexts are used to encapsulate the parameters around which a QgsExpression should be eva...
Wrapper for iterator of features from vector data provider or vector layer.
bool nextFeature(QgsFeature &f)
This class wraps a request for features to a vector layer (or directly its vector data provider).
The feature class encapsulates a single feature including its unique ID, geometry and a list of field...
Base class for feedback objects to be used for cancellation of something running in a worker thread.
bool isCanceled() const SIP_HOLDGIL
Tells whether the operation has been canceled already.
void setProgress(double progress)
Sets the current progress for the feedback object.
A geometry is the spatial representation of a feature.
const QgsAbstractGeometry * constGet() const SIP_HOLDGIL
Returns a non-modifiable (const) reference to the underlying abstract geometry primitive.
QgsAbstractGeometry::vertex_iterator vertices_begin() const
Returns STL-style iterator pointing to the first vertex of the geometry.
QgsAbstractGeometry::vertex_iterator vertices_end() const
Returns STL-style iterator pointing to the imaginary vertex after the last vertex of the geometry.
Line string geometry type, with support for z-dimension and m-values.
double yAt(int index) const override
Returns the y-coordinate of the specified node in the line string.
void setZAt(int index, double z)
Sets the z-coordinate of the specified node in the line string.
int nCoordinates() const override SIP_HOLDGIL
Returns the number of nodes contained in the geometry.
double zAt(int index) const override
Returns the z-coordinate of the specified node in the line string.
double xAt(int index) const override
Returns the x-coordinate of the specified node in the line string.
Base class for all map layer types.
void setSize(QSize s) override
Sets the size of the rendering area (in pixels)
void setRootEntity(Qt3DCore::QEntity *root) override
Sets root entity of the 3D scene.
Qt3DRender::QRenderSettings * renderSettings() override
Returns access to the engine's render settings (the frame graph can be accessed from here)
void setDiffuse(const QColor &diffuse)
Sets diffuse color component.
void setAmbient(const QColor &ambient)
Sets ambient color component.
void setShininess(float shininess)
Sets shininess of the surface.
void setSpecular(const QColor &specular)
Sets specular color component.
An RGB renderer for 2d visualisation of point clouds using embedded red, green and blue attributes.
double maximum() const
Returns the maximum value for attributes which will be used by the color ramp shader.
QgsColorRampShader colorRampShader() const
Returns the color ramp shader function used to visualize the attribute.
double minimum() const
Returns the minimum value for attributes which will be used by the color ramp shader.
QString attribute() const
Returns the attribute to use for the renderer.
Renders point clouds by a classification attribute.
QString attribute() const
Returns the attribute to use for the renderer.
QgsPointCloudCategoryList categories() const
Returns the classification categories used for rendering.
Abstract base class for 2d point cloud renderers.
virtual QString type() const =0
Returns the identifier of the renderer type.
An RGB renderer for 2d visualisation of point clouds using embedded red, green and blue attributes.
QString redAttribute() const
Returns the attribute to use for the red channel.
QString greenAttribute() const
Returns the attribute to use for the green channel.
const QgsContrastEnhancement * greenContrastEnhancement() const
Returns the contrast enhancement to use for the green channel.
QString blueAttribute() const
Returns the attribute to use for the blue channel.
const QgsContrastEnhancement * blueContrastEnhancement() const
Returns the contrast enhancement to use for the blue channel.
const QgsContrastEnhancement * redContrastEnhancement() const
Returns the contrast enhancement to use for the red channel.
A class to represent a 2D point.
void set(double x, double y) SIP_HOLDGIL
Sets the x and y value of the point.
void setX(double x) SIP_HOLDGIL
Sets the x value of the point.
void setY(double y) SIP_HOLDGIL
Sets the y value of the point.
Point geometry type, with support for z-dimension and m-values.
static QgsProject * instance()
Returns the QgsProject singleton instance.
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.
QString toString(int precision=16) const
Returns a string representation of form xmin,ymin : xmax,ymax Coordinates will be truncated to the sp...
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).
void setBlueAttribute(const QString &attribute)
Sets the attribute to use for the blue channel.
void setGreenContrastEnhancement(QgsContrastEnhancement *enhancement SIP_TRANSFER)
Sets the contrast enhancement to use for the green channel.
void setGreenAttribute(const QString &attribute)
Sets the attribute to use for the green channel.
void setBlueContrastEnhancement(QgsContrastEnhancement *enhancement SIP_TRANSFER)
Sets the contrast enhancement to use for the blue channel.
void setRedContrastEnhancement(QgsContrastEnhancement *enhancement SIP_TRANSFER)
Sets the contrast enhancement to use for the red channel.
void setRedAttribute(const QString &attribute)
Sets the attribute to use for the red channel.
virtual float heightAt(double x, double y, const Qgs3DMapSettings &map) const
Returns height at (x,y) in terrain's CRS.
double y() const
Returns Y coordinate.
double z() const
Returns Z coordinate.
double x() const
Returns X coordinate.
void set(double x, double y, double z)
Sets vector coordinates.
Represents a vector layer which manages a vector based data sets.
QgsFeatureIterator getFeatures(const QgsFeatureRequest &request=QgsFeatureRequest()) const FINAL
Queries the layer for features specified in request.
Q_INVOKABLE Qgis::WkbType wkbType() const FINAL
Returns the WKBType or WKBUnknown in case of error.
static bool hasZ(Qgis::WkbType type) SIP_HOLDGIL
Tests whether a WKB type contains the z-dimension.
CORE_EXPORT QgsMeshVertex centroid(const QgsMeshFace &face, const QVector< QgsMeshVertex > &vertices)
Returns the centroid of the face.
#define BUILTIN_UNREACHABLE
#define QgsDebugMsgLevel(str, level)
#define QgsDebugError(str)
float pitch
Tilt of the camera in degrees (0 = looking from the top, 90 = looking from the side,...
float yaw
Horizontal rotation around the focal point in degrees.
QgsVector3D point
Point towards which the camera is looking in 3D world coords.
float dist
Distance of the camera from the focal point.