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 null) 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)
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...

Protected Attributes
QgsRenderContext &	mContext
std::unique_ptr< QgsMeshLayerRendererFeedback >	mFeedback
	feedback class for cancellation More...
QgsMesh	mNativeMesh
QSize	mOutputSize
QgsMeshRendererSettings	mRendererSettings
QVector< bool >	mScalarActiveFaceFlagValues
bool	mScalarDataOnVertices = true
double	mScalarDatasetMaximum = std::numeric_limits<double>::quiet_NaN()
double	mScalarDatasetMinimum = std::numeric_limits<double>::quiet_NaN()
QVector< double >	mScalarDatasetValues
QgsTriangularMesh	mTriangularMesh
bool	mVectorDataOnVertices = true
double	mVectorDatasetMagMaximum = std::numeric_limits<double>::quiet_NaN()
double	mVectorDatasetMagMinimum = std::numeric_limits<double>::quiet_NaN()
QVector< double >	mVectorDatasetValuesMag
QVector< double >	mVectorDatasetValuesX
QVector< double >	mVectorDatasetValuesY
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 83 of file qgsmeshlayerrenderer.h.

Constructor & Destructor Documentation

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

Ctor.

Definition at line 39 of file qgsmeshlayerrenderer.cpp.

QgsMeshLayerRenderer::~QgsMeshLayerRenderer ( )

overridedefault

Member Function Documentation

QgsFeedback * QgsMeshLayerRenderer::feedback ( ) const

overridevirtual

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

Since

QGIS 3.0

Reimplemented from QgsMapLayerRenderer.

Definition at line 60 of file qgsmeshlayerrenderer.cpp.

bool QgsMeshLayerRenderer::render ( )

overridevirtual

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

Implements QgsMapLayerRenderer.

Definition at line 203 of file qgsmeshlayerrenderer.cpp.

Member Data Documentation

QgsRenderContext& QgsMeshLayerRenderer::mContext

protected

Definition at line 127 of file qgsmeshlayerrenderer.h.

std::unique_ptr<QgsMeshLayerRendererFeedback> QgsMeshLayerRenderer::mFeedback

protected

feedback class for cancellation

Definition at line 103 of file qgsmeshlayerrenderer.h.

QgsMesh QgsMeshLayerRenderer::mNativeMesh

protected

Definition at line 106 of file qgsmeshlayerrenderer.h.

QSize QgsMeshLayerRenderer::mOutputSize

protected

Definition at line 133 of file qgsmeshlayerrenderer.h.

QgsMeshRendererSettings QgsMeshLayerRenderer::mRendererSettings

protected

Definition at line 130 of file qgsmeshlayerrenderer.h.

QVector<bool> QgsMeshLayerRenderer::mScalarActiveFaceFlagValues

protected

Definition at line 113 of file qgsmeshlayerrenderer.h.

bool QgsMeshLayerRenderer::mScalarDataOnVertices = true

protected

Definition at line 114 of file qgsmeshlayerrenderer.h.

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

protected

Definition at line 116 of file qgsmeshlayerrenderer.h.

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

protected

Definition at line 115 of file qgsmeshlayerrenderer.h.

QVector<double> QgsMeshLayerRenderer::mScalarDatasetValues

protected

Definition at line 112 of file qgsmeshlayerrenderer.h.

QgsTriangularMesh QgsMeshLayerRenderer::mTriangularMesh

protected

Definition at line 109 of file qgsmeshlayerrenderer.h.

bool QgsMeshLayerRenderer::mVectorDataOnVertices = true

protected

Definition at line 124 of file qgsmeshlayerrenderer.h.

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

protected

Definition at line 123 of file qgsmeshlayerrenderer.h.

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

protected

Definition at line 122 of file qgsmeshlayerrenderer.h.

QVector<double> QgsMeshLayerRenderer::mVectorDatasetValuesMag

protected

Definition at line 121 of file qgsmeshlayerrenderer.h.

QVector<double> QgsMeshLayerRenderer::mVectorDatasetValuesX

protected

Definition at line 119 of file qgsmeshlayerrenderer.h.

QVector<double> QgsMeshLayerRenderer::mVectorDatasetValuesY

protected

Definition at line 120 of file qgsmeshlayerrenderer.h.

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

• /build/qgis-3.4.15+24xenial/src/core/mesh/qgsmeshlayerrenderer.h
• /build/qgis-3.4.15+24xenial/src/core/mesh/qgsmeshlayerrenderer.cpp