QgsMeshLayerRenderer Class Reference

Implementation of threaded rendering for mesh layers. More...

#include <qgsmeshlayerrenderer.h>

Inheritance diagram for QgsMeshLayerRenderer:

Public Member Functions
	QgsMeshLayerRenderer (QgsMeshLayer *layer, QgsRenderContext &context)
	Ctor. More...
	~QgsMeshLayerRenderer () override=default
QgsFeedback *	feedback () const override
	Access to feedback object of the layer renderer (may be nullptr) More...
bool	render () override
	Do the rendering (based on data stored in the class) More...
Public Member Functions inherited from QgsMapLayerRenderer
	QgsMapLayerRenderer (const QString &layerID, QgsRenderContext *context=nullptr)
	Constructor for QgsMapLayerRenderer, with the associated layerID and render context. More...
virtual	~QgsMapLayerRenderer ()=default
QStringList	errors () const
	Returns list of errors (problems) that happened during the rendering. More...
QString	layerId () const
	Gets access to the ID of the layer rendered by this class. More...
QgsRenderContext *	renderContext ()
	Returns the render context associated with the renderer. More...

Protected Attributes
QList< QgsMapClippingRegion >	mClippingRegions
std::unique_ptr< QgsMeshLayerRendererFeedback >	mFeedback
	feedback class for cancellation More...
QgsRectangle	mLayerExtent
QgsMesh	mNativeMesh
QSize	mOutputSize
QgsMeshRendererSettings	mRendererSettings
QgsMeshDataBlock	mScalarActiveFaceFlagValues
double	mScalarDatasetMaximum = std::numeric_limits<double>::quiet_NaN()
double	mScalarDatasetMinimum = std::numeric_limits<double>::quiet_NaN()
QVector< double >	mScalarDatasetValues
QgsMeshDatasetGroupMetadata::DataType	mScalarDataType = QgsMeshDatasetGroupMetadata::DataOnVertices
QgsTriangularMesh	mTriangularMesh
double	mVectorDatasetGroupMagMaximum = std::numeric_limits<double>::quiet_NaN()
double	mVectorDatasetGroupMagMinimum = std::numeric_limits<double>::quiet_NaN()
double	mVectorDatasetMagMaximum = std::numeric_limits<double>::quiet_NaN()
double	mVectorDatasetMagMinimum = std::numeric_limits<double>::quiet_NaN()
QgsMeshDataBlock	mVectorDatasetValues
QVector< double >	mVectorDatasetValuesMag
QgsMeshDatasetGroupMetadata::DataType	mVectorDataType = QgsMeshDatasetGroupMetadata::DataOnVertices
Protected Attributes inherited from QgsMapLayerRenderer
QStringList	mErrors
QString	mLayerID

Detailed Description

Implementation of threaded rendering for mesh layers.

Note

not available in Python bindings

Since

QGIS 3.2

Definition at line 92 of file qgsmeshlayerrenderer.h.

Constructor & Destructor Documentation

QgsMeshLayerRenderer()

QgsMeshLayerRenderer::QgsMeshLayerRenderer	(	QgsMeshLayer *	layer,
		QgsRenderContext &	context
	)

Ctor.

Definition at line 44 of file qgsmeshlayerrenderer.cpp.

~QgsMeshLayerRenderer()

QgsMeshLayerRenderer::~QgsMeshLayerRenderer ( )

overridedefault

Member Function Documentation

feedback()

QgsFeedback * QgsMeshLayerRenderer::feedback ( ) const

overridevirtual

Access to feedback object of the layer renderer (may be nullptr)

Since

QGIS 3.0

Reimplemented from QgsMapLayerRenderer.

Definition at line 93 of file qgsmeshlayerrenderer.cpp.

render()

bool QgsMeshLayerRenderer::render ( )

overridevirtual

Do the rendering (based on data stored in the class)

Implements QgsMapLayerRenderer.

Definition at line 286 of file qgsmeshlayerrenderer.cpp.

Member Data Documentation

mClippingRegions

QList< QgsMapClippingRegion > QgsMeshLayerRenderer::mClippingRegions

protected

Definition at line 150 of file qgsmeshlayerrenderer.h.

mFeedback

std::unique_ptr<QgsMeshLayerRendererFeedback> QgsMeshLayerRenderer::mFeedback

protected

feedback class for cancellation

Definition at line 120 of file qgsmeshlayerrenderer.h.

mLayerExtent

QgsRectangle QgsMeshLayerRenderer::mLayerExtent

protected

Definition at line 129 of file qgsmeshlayerrenderer.h.

mNativeMesh

QgsMesh QgsMeshLayerRenderer::mNativeMesh

protected

Definition at line 123 of file qgsmeshlayerrenderer.h.

mOutputSize

QSize QgsMeshLayerRenderer::mOutputSize

protected

Definition at line 153 of file qgsmeshlayerrenderer.h.

mRendererSettings

QgsMeshRendererSettings QgsMeshLayerRenderer::mRendererSettings

protected

Definition at line 148 of file qgsmeshlayerrenderer.h.

mScalarActiveFaceFlagValues

QgsMeshDataBlock QgsMeshLayerRenderer::mScalarActiveFaceFlagValues

protected

Definition at line 133 of file qgsmeshlayerrenderer.h.

mScalarDatasetMaximum

double QgsMeshLayerRenderer::mScalarDatasetMaximum = std::numeric_limits<double>::quiet_NaN()

protected

Definition at line 136 of file qgsmeshlayerrenderer.h.

mScalarDatasetMinimum

double QgsMeshLayerRenderer::mScalarDatasetMinimum = std::numeric_limits<double>::quiet_NaN()

protected

Definition at line 135 of file qgsmeshlayerrenderer.h.

mScalarDatasetValues

QVector<double> QgsMeshLayerRenderer::mScalarDatasetValues

protected

Definition at line 132 of file qgsmeshlayerrenderer.h.

mScalarDataType

QgsMeshDatasetGroupMetadata::DataType QgsMeshLayerRenderer::mScalarDataType = QgsMeshDatasetGroupMetadata::DataOnVertices

protected

Definition at line 134 of file qgsmeshlayerrenderer.h.

mTriangularMesh

QgsTriangularMesh QgsMeshLayerRenderer::mTriangularMesh

protected

Definition at line 126 of file qgsmeshlayerrenderer.h.

mVectorDatasetGroupMagMaximum

double QgsMeshLayerRenderer::mVectorDatasetGroupMagMaximum = std::numeric_limits<double>::quiet_NaN()

protected

Definition at line 144 of file qgsmeshlayerrenderer.h.

mVectorDatasetGroupMagMinimum

double QgsMeshLayerRenderer::mVectorDatasetGroupMagMinimum = std::numeric_limits<double>::quiet_NaN()

protected

Definition at line 143 of file qgsmeshlayerrenderer.h.

mVectorDatasetMagMaximum

double QgsMeshLayerRenderer::mVectorDatasetMagMaximum = std::numeric_limits<double>::quiet_NaN()

protected

Definition at line 142 of file qgsmeshlayerrenderer.h.

mVectorDatasetMagMinimum

double QgsMeshLayerRenderer::mVectorDatasetMagMinimum = std::numeric_limits<double>::quiet_NaN()

protected

Definition at line 141 of file qgsmeshlayerrenderer.h.

mVectorDatasetValues

QgsMeshDataBlock QgsMeshLayerRenderer::mVectorDatasetValues

protected

Definition at line 139 of file qgsmeshlayerrenderer.h.

mVectorDatasetValuesMag

QVector<double> QgsMeshLayerRenderer::mVectorDatasetValuesMag

protected

Definition at line 140 of file qgsmeshlayerrenderer.h.

mVectorDataType

QgsMeshDatasetGroupMetadata::DataType QgsMeshLayerRenderer::mVectorDataType = QgsMeshDatasetGroupMetadata::DataOnVertices

protected

Definition at line 145 of file qgsmeshlayerrenderer.h.

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The documentation for this class was generated from the following files:

• /build/qgis-3.16.0+99unstable/src/core/mesh/qgsmeshlayerrenderer.h
• /build/qgis-3.16.0+99unstable/src/core/mesh/qgsmeshlayerrenderer.cpp