mirror of
https://github.com/qgis/QGIS.git
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234 lines
6.2 KiB
Plaintext
234 lines
6.2 KiB
Plaintext
/************************************************************************
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* This file has been generated automatically from *
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* *
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* src/core/symbology/qgsheatmaprenderer.h *
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* *
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* Do not edit manually ! Edit header and run scripts/sipify.pl again *
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************************************************************************/
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class QgsHeatmapRenderer : QgsFeatureRenderer
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{
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%Docstring(signature="appended")
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A renderer which draws points as a live heatmap
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.. versionadded:: 2.7
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%End
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%TypeHeaderCode
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#include "qgsheatmaprenderer.h"
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%End
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public:
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QgsHeatmapRenderer();
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~QgsHeatmapRenderer();
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virtual QgsHeatmapRenderer *clone() const /Factory/;
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virtual void startRender( QgsRenderContext &context, const QgsFields &fields );
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virtual bool renderFeature( const QgsFeature &feature, QgsRenderContext &context, int layer = -1, bool selected = false, bool drawVertexMarker = false ) throw( QgsCsException );
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virtual void stopRender( QgsRenderContext &context );
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virtual QgsSymbol *symbolForFeature( const QgsFeature &feature, QgsRenderContext &context ) const;
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%Docstring
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.. note::
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symbolForFeature2 in Python bindings
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%End
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virtual QgsSymbolList symbols( QgsRenderContext &context ) const;
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%Docstring
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.. note::
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symbol2 in Python bindings
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%End
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virtual QString dump() const;
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virtual QSet<QString> usedAttributes( const QgsRenderContext &context ) const;
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static QgsFeatureRenderer *create( QDomElement &element, const QgsReadWriteContext &context ) /Factory/;
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%Docstring
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Creates a new heatmap renderer instance from XML
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%End
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virtual QDomElement save( QDomDocument &doc, const QgsReadWriteContext &context );
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static QgsHeatmapRenderer *convertFromRenderer( const QgsFeatureRenderer *renderer ) /Factory/;
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virtual bool accept( QgsStyleEntityVisitorInterface *visitor ) const;
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virtual void modifyRequestExtent( QgsRectangle &extent, QgsRenderContext &context );
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QgsColorRamp *colorRamp() const;
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%Docstring
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Returns the color ramp used for shading the heatmap.
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:return: color ramp for heatmap
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.. seealso:: :py:func:`setColorRamp`
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%End
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void setColorRamp( QgsColorRamp *ramp /Transfer/ );
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%Docstring
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Sets the color ramp to use for shading the heatmap.
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:param ramp: color ramp for heatmap. Ownership of ramp is transferred to the renderer.
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.. seealso:: :py:func:`colorRamp`
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%End
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double radius() const;
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%Docstring
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Returns the radius for the heatmap
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:return: heatmap radius
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.. seealso:: :py:func:`setRadius`
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.. seealso:: :py:func:`radiusUnit`
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.. seealso:: :py:func:`radiusMapUnitScale`
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%End
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void setRadius( const double radius );
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%Docstring
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Sets the radius for the heatmap
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:param radius: heatmap radius
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.. seealso:: :py:func:`radius`
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.. seealso:: :py:func:`setRadiusUnit`
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.. seealso:: :py:func:`setRadiusMapUnitScale`
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%End
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QgsUnitTypes::RenderUnit radiusUnit() const;
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%Docstring
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Returns the units used for the heatmap's radius
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:return: units for heatmap radius
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.. seealso:: :py:func:`radius`
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.. seealso:: :py:func:`setRadiusUnit`
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.. seealso:: :py:func:`radiusMapUnitScale`
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%End
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void setRadiusUnit( const QgsUnitTypes::RenderUnit unit );
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%Docstring
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Sets the units used for the heatmap's radius
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:param unit: units for heatmap radius
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.. seealso:: :py:func:`radiusUnit`
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.. seealso:: :py:func:`setRadius`
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.. seealso:: :py:func:`radiusMapUnitScale`
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%End
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const QgsMapUnitScale &radiusMapUnitScale() const;
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%Docstring
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Returns the map unit scale used for the heatmap's radius
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:return: map unit scale for heatmap's radius
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.. seealso:: :py:func:`radius`
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.. seealso:: :py:func:`radiusUnit`
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.. seealso:: :py:func:`setRadiusMapUnitScale`
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%End
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void setRadiusMapUnitScale( const QgsMapUnitScale &scale );
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%Docstring
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Sets the map unit scale used for the heatmap's radius
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:param scale: map unit scale for heatmap's radius
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.. seealso:: :py:func:`setRadius`
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.. seealso:: :py:func:`setRadiusUnit`
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.. seealso:: :py:func:`radiusMapUnitScale`
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%End
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double maximumValue() const;
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%Docstring
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Returns the maximum value used for shading the heatmap.
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:return: maximum value for heatmap shading. If 0, then maximum value will be automatically
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calculated.
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.. seealso:: :py:func:`setMaximumValue`
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%End
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void setMaximumValue( const double value );
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%Docstring
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Sets the maximum value used for shading the heatmap.
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:param value: maximum value for heatmap shading. Set to 0 for automatic calculation of
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maximum value.
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.. seealso:: :py:func:`maximumValue`
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%End
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double renderQuality() const;
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%Docstring
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Returns the render quality used for drawing the heatmap.
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:return: render quality. A value of 1 indicates maximum quality, and increasing the
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value will result in faster drawing but lower quality rendering.
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.. seealso:: :py:func:`setRenderQuality`
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%End
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void setRenderQuality( const int quality );
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%Docstring
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Sets the render quality used for drawing the heatmap.
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:param quality: render quality. A value of 1 indicates maximum quality, and increasing the
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value will result in faster drawing but lower quality rendering.
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.. seealso:: :py:func:`renderQuality`
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%End
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QString weightExpression() const;
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%Docstring
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Returns the expression used for weighting points when generating the heatmap.
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:return: point weight expression. If empty, all points are equally weighted.
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.. seealso:: :py:func:`setWeightExpression`
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%End
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void setWeightExpression( const QString &expression );
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%Docstring
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Sets the expression used for weighting points when generating the heatmap.
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:param expression: point weight expression. If set to empty, all points are equally weighted.
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.. seealso:: :py:func:`weightExpression`
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%End
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};
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/************************************************************************
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* This file has been generated automatically from *
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* *
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* src/core/symbology/qgsheatmaprenderer.h *
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* *
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* Do not edit manually ! Edit header and run scripts/sipify.pl again *
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************************************************************************/
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