void QgsPolygon3DSymbolWidget::setSymbol( const QgsPolygon3DSymbol &symbol, QgsVectorLayer *layer )
{
spinHeight->setValue( symbol.height() );
spinExtrusion->setValue( symbol.extrusionHeight() );
cboAltClamping->setCurrentIndex( static_cast<int>( symbol.altitudeClamping() ) );
cboAltBinding->setCurrentIndex( static_cast<int>( symbol.altitudeBinding() ) );
cboCullingMode->setCurrentIndex( static_cast<int>( symbol.cullingMode() ) );
chkAddBackFaces->setChecked( symbol.addBackFaces() );
chkInvertNormals->setChecked( symbol.invertNormals() );
widgetMaterial->setMaterial( symbol.material() );
btnHeightDD->init( QgsAbstract3DSymbol::PropertyHeight, symbol.dataDefinedProperties(), QgsAbstract3DSymbol::propertyDefinitions(), layer, true );
btnExtrusionDD->init( QgsAbstract3DSymbol::PropertyExtrusionHeight, symbol.dataDefinedProperties(), QgsAbstract3DSymbol::propertyDefinitions(), layer, true );
}
static QSet<QString> _requiredAttributes( const QgsPolygon3DSymbol &symbol, QgsVectorLayer *layer )
{
QgsExpressionContext ctx( _expressionContext3D() );
ctx.setFields( layer->fields() );
//symbol.dataDefinedProperties().prepare( ctx );
return symbol.dataDefinedProperties().referencedFields( ctx );
}