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[feature] [3d] [mesh] Display mesh faces in 3D view as terrain
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,112 @@ | ||
| /*************************************************************************** | ||
| qgsmeshlayer3drenderer.cpp | ||
| -------------------------- | ||
| Date : January 2019 | ||
| Copyright : (C) 2019 by Peter Petrik | ||
| Email : zilolv at gmail dot com | ||
| *************************************************************************** | ||
| * * | ||
| * This program is free software; you can redistribute it and/or modify * | ||
| * it under the terms of the GNU General Public License as published by * | ||
| * the Free Software Foundation; either version 2 of the License, or * | ||
| * (at your option) any later version. * | ||
| * * | ||
| ***************************************************************************/ | ||
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| #include "qgsmeshlayer3drenderer.h" | ||
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| #include "qgsmeshlayer3drenderer.h" | ||
| #include "qgsmesh3dsymbol.h" | ||
| #include "qgsmesh3dsymbol_p.h" | ||
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| #include "qgsmeshlayer.h" | ||
| #include "qgsxmlutils.h" | ||
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| QgsMeshLayer3DRendererMetadata::QgsMeshLayer3DRendererMetadata() | ||
| : Qgs3DRendererAbstractMetadata( QStringLiteral( "mesh" ) ) | ||
| { | ||
| } | ||
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| QgsAbstract3DRenderer *QgsMeshLayer3DRendererMetadata::createRenderer( QDomElement &elem, const QgsReadWriteContext &context ) | ||
| { | ||
| QgsMeshLayer3DRenderer *r = new QgsMeshLayer3DRenderer; | ||
| r->readXml( elem, context ); | ||
| return r; | ||
| } | ||
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| // --------- | ||
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| QgsMeshLayer3DRenderer::QgsMeshLayer3DRenderer( QgsMesh3DSymbol *s ) | ||
| : mSymbol( s ) | ||
| { | ||
| } | ||
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| QgsMeshLayer3DRenderer *QgsMeshLayer3DRenderer::clone() const | ||
| { | ||
| QgsMeshLayer3DRenderer *r = new QgsMeshLayer3DRenderer( mSymbol ? ( QgsMesh3DSymbol * )mSymbol->clone() : nullptr ); | ||
| r->mLayerRef = mLayerRef; | ||
| return r; | ||
| } | ||
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| void QgsMeshLayer3DRenderer::setLayer( QgsMeshLayer *layer ) | ||
| { | ||
| mLayerRef = QgsMapLayerRef( layer ); | ||
| } | ||
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| QgsMeshLayer *QgsMeshLayer3DRenderer::layer() const | ||
| { | ||
| return qobject_cast<QgsMeshLayer *>( mLayerRef.layer ); | ||
| } | ||
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| void QgsMeshLayer3DRenderer::setSymbol( QgsMesh3DSymbol *symbol ) | ||
| { | ||
| mSymbol.reset( symbol ); | ||
| } | ||
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| const QgsMesh3DSymbol *QgsMeshLayer3DRenderer::symbol() const | ||
| { | ||
| return mSymbol.get(); | ||
| } | ||
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| Qt3DCore::QEntity *QgsMeshLayer3DRenderer::createEntity( const Qgs3DMapSettings &map ) const | ||
| { | ||
| QgsMeshLayer *vl = layer(); | ||
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| if ( !mSymbol || !vl ) | ||
| return nullptr; | ||
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| return new QgsMesh3DSymbolEntity( map, vl, *static_cast<QgsMesh3DSymbol *>( mSymbol.get() ) ); | ||
| } | ||
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| void QgsMeshLayer3DRenderer::writeXml( QDomElement &elem, const QgsReadWriteContext &context ) const | ||
| { | ||
| QDomDocument doc = elem.ownerDocument(); | ||
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| elem.setAttribute( QStringLiteral( "layer" ), mLayerRef.layerId ); | ||
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| QDomElement elemSymbol = doc.createElement( QStringLiteral( "symbol" ) ); | ||
| if ( mSymbol ) | ||
| { | ||
| elemSymbol.setAttribute( QStringLiteral( "type" ), mSymbol->type() ); | ||
| mSymbol->writeXml( elemSymbol, context ); | ||
| } | ||
| elem.appendChild( elemSymbol ); | ||
| } | ||
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| void QgsMeshLayer3DRenderer::readXml( const QDomElement &elem, const QgsReadWriteContext &context ) | ||
| { | ||
| mLayerRef = QgsMapLayerRef( elem.attribute( QStringLiteral( "layer" ) ) ); | ||
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| QDomElement elemSymbol = elem.firstChildElement( QStringLiteral( "symbol" ) ); | ||
| QgsMesh3DSymbol *symbol = new QgsMesh3DSymbol; | ||
| symbol->readXml( elemSymbol, context ); | ||
| mSymbol.reset( symbol ); | ||
| } | ||
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| void QgsMeshLayer3DRenderer::resolveReferences( const QgsProject &project ) | ||
| { | ||
| mLayerRef.setLayer( project.mapLayer( mLayerRef.layerId ) ); | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,92 @@ | ||
| /*************************************************************************** | ||
| qgsmeshlayer3drenderer.h | ||
| ------------------------ | ||
| Date : January 2019 | ||
| Copyright : (C) 2019 by Peter Petrik | ||
| Email : zilolv at gmail dot com | ||
| *************************************************************************** | ||
| * * | ||
| * This program is free software; you can redistribute it and/or modify * | ||
| * it under the terms of the GNU General Public License as published by * | ||
| * the Free Software Foundation; either version 2 of the License, or * | ||
| * (at your option) any later version. * | ||
| * * | ||
| ***************************************************************************/ | ||
|
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| #ifndef QGSMESHLAYER3DRENDERER_H | ||
| #define QGSMESHLAYER3DRENDERER_H | ||
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| #include "qgis_3d.h" | ||
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| #include "qgs3drendererregistry.h" | ||
| #include "qgsabstract3drenderer.h" | ||
| #include "qgsmesh3dsymbol.h" | ||
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| #include "qgsphongmaterialsettings.h" | ||
| #include "qgsmaplayerref.h" | ||
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| #include <QObject> | ||
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| class QgsMeshLayer; | ||
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| /** | ||
| * \ingroup core | ||
| * Metadata for mesh layer 3D renderer to allow creation of its instances from XML | ||
| * | ||
| * \warning This is not considered stable API, and may change in future QGIS releases | ||
| * | ||
| * \since QGIS 3.6 | ||
| */ | ||
| class _3D_EXPORT QgsMeshLayer3DRendererMetadata : public Qgs3DRendererAbstractMetadata | ||
| { | ||
| public: | ||
| QgsMeshLayer3DRendererMetadata(); | ||
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| //! Creates an instance of a 3D renderer based on a DOM element with renderer configuration | ||
| QgsAbstract3DRenderer *createRenderer( QDomElement &elem, const QgsReadWriteContext &context ) override SIP_FACTORY; | ||
| }; | ||
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| /** | ||
| * \ingroup core | ||
| * 3D renderer that renders all mesh triangles of a mesh layer. | ||
| * \since QGIS 3.6 | ||
| */ | ||
| class _3D_EXPORT QgsMeshLayer3DRenderer : public QgsAbstract3DRenderer | ||
| { | ||
| public: | ||
| //! Takes ownership of the symbol object | ||
| explicit QgsMeshLayer3DRenderer( QgsMesh3DSymbol *s SIP_TRANSFER = nullptr ); | ||
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| //! Sets vector layer associated with the renderer | ||
| void setLayer( QgsMeshLayer *layer ); | ||
| //! Returns mesh layer associated with the renderer | ||
| QgsMeshLayer *layer() const; | ||
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| //! Sets 3D symbol associated with the renderer | ||
| void setSymbol( QgsMesh3DSymbol *symbol SIP_TRANSFER ); | ||
| //! Returns 3D symbol associated with the renderer | ||
| const QgsMesh3DSymbol *symbol() const; | ||
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| QString type() const override { return "mesh"; } | ||
| QgsMeshLayer3DRenderer *clone() const override SIP_FACTORY; | ||
| Qt3DCore::QEntity *createEntity( const Qgs3DMapSettings &map ) const override SIP_SKIP; | ||
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| void writeXml( QDomElement &elem, const QgsReadWriteContext &context ) const override; | ||
| void readXml( const QDomElement &elem, const QgsReadWriteContext &context ) override; | ||
| void resolveReferences( const QgsProject &project ) override; | ||
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| private: | ||
| QgsMapLayerRef mLayerRef; //!< Layer used to extract polygons from | ||
| std::unique_ptr<QgsMesh3DSymbol> mSymbol; //!< 3D symbol that defines appearance | ||
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| private: | ||
| #ifdef SIP_RUN | ||
| QgsMeshLayer3DRenderer( const QgsMeshLayer3DRenderer & ); | ||
| QgsMeshLayer3DRenderer &operator=( const QgsMeshLayer3DRenderer & ); | ||
| #endif | ||
| }; | ||
|
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| #endif // QGSMESHLAYER3DRENDERER_H |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,61 @@ | ||
| /*************************************************************************** | ||
| qgsmesh3dsymbol.cpp | ||
| ------------------- | ||
| Date : January 2019 | ||
| Copyright : (C) 2019 by Peter Petrik | ||
| Email : zilolv at gmail dot com | ||
| *************************************************************************** | ||
| * * | ||
| * This program is free software; you can redistribute it and/or modify * | ||
| * it under the terms of the GNU General Public License as published by * | ||
| * the Free Software Foundation; either version 2 of the License, or * | ||
| * (at your option) any later version. * | ||
| * * | ||
| ***************************************************************************/ | ||
|
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| #include "qgsmesh3dsymbol.h" | ||
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| #include "qgs3dutils.h" | ||
|
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| QgsAbstract3DSymbol *QgsMesh3DSymbol::clone() const | ||
| { | ||
| return new QgsMesh3DSymbol( *this ); | ||
| } | ||
|
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| void QgsMesh3DSymbol::writeXml( QDomElement &elem, const QgsReadWriteContext &context ) const | ||
| { | ||
| Q_UNUSED( context ); | ||
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| QDomDocument doc = elem.ownerDocument(); | ||
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| QDomElement elemDataProperties = doc.createElement( QStringLiteral( "data" ) ); | ||
| elemDataProperties.setAttribute( QStringLiteral( "alt-clamping" ), Qgs3DUtils::altClampingToString( mAltClamping ) ); | ||
| elemDataProperties.setAttribute( QStringLiteral( "height" ), mHeight ); | ||
| elemDataProperties.setAttribute( QStringLiteral( "add-back-faces" ), mAddBackFaces ? QStringLiteral( "1" ) : QStringLiteral( "0" ) ); | ||
| elem.appendChild( elemDataProperties ); | ||
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| QDomElement elemMaterial = doc.createElement( QStringLiteral( "material" ) ); | ||
| mMaterial.writeXml( elemMaterial ); | ||
| elem.appendChild( elemMaterial ); | ||
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| QDomElement elemDDP = doc.createElement( QStringLiteral( "data-defined-properties" ) ); | ||
| mDataDefinedProperties.writeXml( elemDDP, propertyDefinitions() ); | ||
| elem.appendChild( elemDDP ); | ||
| } | ||
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| void QgsMesh3DSymbol::readXml( const QDomElement &elem, const QgsReadWriteContext &context ) | ||
| { | ||
| Q_UNUSED( context ); | ||
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| QDomElement elemDataProperties = elem.firstChildElement( QStringLiteral( "data" ) ); | ||
| mAltClamping = Qgs3DUtils::altClampingFromString( elemDataProperties.attribute( QStringLiteral( "alt-clamping" ) ) ); | ||
| mHeight = elemDataProperties.attribute( QStringLiteral( "height" ) ).toFloat(); | ||
| mAddBackFaces = elemDataProperties.attribute( QStringLiteral( "add-back-faces" ) ).toInt(); | ||
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| QDomElement elemMaterial = elem.firstChildElement( QStringLiteral( "material" ) ); | ||
| mMaterial.readXml( elemMaterial ); | ||
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| QDomElement elemDDP = elem.firstChildElement( QStringLiteral( "data-defined-properties" ) ); | ||
| if ( !elemDDP.isNull() ) | ||
| mDataDefinedProperties.readXml( elemDDP, propertyDefinitions() ); | ||
| } |
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