QGIS API Documentation
3.26.3-Buenos Aires (65e4edfdad)
src
core
pointcloud
qgspointcloudextentrenderer.h
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/***************************************************************************
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qgspointcloudextentrenderer.h
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--------------------
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begin : December 2020
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copyright : (C) 2020 by Nyall Dawson
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email : nyall dot dawson at gmail dot com
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***************************************************************************/
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/***************************************************************************
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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***************************************************************************/
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#ifndef QGSPOINTCLOUDEXTENTRENDERER_H
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#define QGSPOINTCLOUDEXTENTRENDERER_H
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#include "
qgspointcloudrenderer.h
"
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#include "qgis_core.h"
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#include "
qgis_sip.h
"
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class
QgsFillSymbol
;
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class
CORE_EXPORT
QgsPointCloudExtentRenderer
:
public
QgsPointCloudRenderer
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{
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public
:
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QgsPointCloudExtentRenderer
(
QgsFillSymbol
*symbol
SIP_TRANSFER
=
nullptr
);
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~
QgsPointCloudExtentRenderer
()
override
;
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QString
type
()
const override
;
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QgsPointCloudRenderer
*
clone
()
const override
;
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void
renderBlock
(
const
QgsPointCloudBlock
*block,
QgsPointCloudRenderContext
&context )
override
;
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QDomElement
save
( QDomDocument &doc,
const
QgsReadWriteContext
&context )
const override
;
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void
startRender
(
QgsPointCloudRenderContext
&context )
override
;
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void
stopRender
(
QgsPointCloudRenderContext
&context )
override
;
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QList<QgsLayerTreeModelLegendNode *>
createLegendNodes
(
QgsLayerTreeLayer
*nodeLayer )
override
SIP_FACTORY
;
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static
QgsPointCloudRenderer
*create( QDomElement &element,
const
QgsReadWriteContext
&context )
SIP_FACTORY
;
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void
renderExtent(
const
QgsGeometry
&extent,
QgsPointCloudRenderContext
&context );
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static
QgsFillSymbol
*defaultFillSymbol()
SIP_FACTORY
;
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QgsFillSymbol
*fillSymbol()
const
;
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void
setFillSymbol(
QgsFillSymbol
*symbol
SIP_TRANSFER
);
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private
:
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std::unique_ptr< QgsFillSymbol > mFillSymbol;
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};
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#endif // QGSPOINTCLOUDEXTENTRENDERER_H
QgsReadWriteContext
The class is used as a container of context for various read/write operations on other objects.
Definition:
qgsreadwritecontext.h:34
QgsPointCloudRenderer::createLegendNodes
virtual QList< QgsLayerTreeModelLegendNode * > createLegendNodes(QgsLayerTreeLayer *nodeLayer)
Creates a set of legend nodes representing the renderer.
Definition:
qgspointcloudrenderer.cpp:152
QgsPointCloudExtentRenderer
A renderer for 2d visualisation of point clouds which shows the dataset's extents using a fill symbol...
Definition:
qgspointcloudextentrenderer.h:33
QgsPointCloudRenderer::clone
virtual QgsPointCloudRenderer * clone() const =0
Create a deep copy of this renderer.
QgsPointCloudBlock
Base class for storing raw data from point cloud nodes.
Definition:
qgspointcloudblock.h:38
QgsPointCloudRenderer::startRender
virtual void startRender(QgsPointCloudRenderContext &context)
Must be called when a new render cycle is started.
Definition:
qgspointcloudrenderer.cpp:88
SIP_FACTORY
#define SIP_FACTORY
Definition:
qgis_sip.h:76
QgsPointCloudRenderer::save
virtual QDomElement save(QDomDocument &doc, const QgsReadWriteContext &context) const =0
Saves the renderer configuration to an XML element.
QgsPointCloudRenderer::renderBlock
virtual void renderBlock(const QgsPointCloudBlock *block, QgsPointCloudRenderContext &context)=0
Renders a block of point cloud data using the specified render context.
QgsPointCloudRenderContext
Encapsulates the render context for a 2D point cloud rendering operation.
Definition:
qgspointcloudrenderer.h:41
QgsLayerTreeLayer
Layer tree node points to a map layer.
Definition:
qgslayertreelayer.h:43
qgis_sip.h
SIP_TRANSFER
#define SIP_TRANSFER
Definition:
qgis_sip.h:36
QgsPointCloudRenderer::stopRender
virtual void stopRender(QgsPointCloudRenderContext &context)
Must be called when a render cycle has finished, to allow the renderer to clean up.
Definition:
qgspointcloudrenderer.cpp:115
QgsGeometry
A geometry is the spatial representation of a feature.
Definition:
qgsgeometry.h:124
QgsPointCloudRenderer::type
virtual QString type() const =0
Returns the identifier of the renderer type.
QgsFillSymbol
A fill symbol type, for rendering Polygon and MultiPolygon geometries.
Definition:
qgsfillsymbol.h:29
QgsPointCloudRenderer
Abstract base class for 2d point cloud renderers.
Definition:
qgspointcloudrenderer.h:296
qgspointcloudrenderer.h
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