本文整理汇总了C++中QgsSingleSymbolRendererV2::setSizeScaleField方法的典型用法代码示例。如果您正苦于以下问题：C++ QgsSingleSymbolRendererV2::setSizeScaleField方法的具体用法？C++ QgsSingleSymbolRendererV2::setSizeScaleField怎么用？C++ QgsSingleSymbolRendererV2::setSizeScaleField使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类QgsSingleSymbolRendererV2的用法示例。
在下文中一共展示了QgsSingleSymbolRendererV2::setSizeScaleField方法的3个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1:
QgsFeatureRendererV2* QgsSingleSymbolRendererV2::create( QDomElement& element )
{
QDomElement symbolsElem = element.firstChildElement( "symbols" );
if ( symbolsElem.isNull() )
return NULL;
QgsSymbolV2Map symbolMap = QgsSymbolLayerV2Utils::loadSymbols( symbolsElem );
if ( !symbolMap.contains( "0" ) )
return NULL;
QgsSingleSymbolRendererV2* r = new QgsSingleSymbolRendererV2( symbolMap.take( "0" ) );
// delete symbols if there are any more
QgsSymbolLayerV2Utils::clearSymbolMap( symbolMap );
QDomElement rotationElem = element.firstChildElement( "rotation" );
if ( !rotationElem.isNull() )
r->setRotationField( rotationElem.attribute( "field" ) );
QDomElement sizeScaleElem = element.firstChildElement( "sizescale" );
if ( !sizeScaleElem.isNull() )
{
r->setSizeScaleField( sizeScaleElem.attribute( "field" ) );
r->setScaleMethod( QgsSymbolLayerV2Utils::decodeScaleMethod( sizeScaleElem.attribute( "scalemethod" ) ) );
}
// TODO: symbol levels
return r;
}示例2: usingSymbolLevels
QgsSingleSymbolRendererV2* QgsSingleSymbolRendererV2::clone() const
{
QgsSingleSymbolRendererV2* r = new QgsSingleSymbolRendererV2( mSymbol->clone() );
r->setUsingSymbolLevels( usingSymbolLevels() );
r->setSizeScaleField( sizeScaleField() );
copyRendererData( r );
return r;
}示例3: usingSymbolLevels
QgsFeatureRendererV2* QgsSingleSymbolRendererV2::clone()
{
QgsSingleSymbolRendererV2* r = new QgsSingleSymbolRendererV2( mSymbol->clone() );
r->setUsingSymbolLevels( usingSymbolLevels() );
r->setRotationField( rotationField() );
r->setSizeScaleField( sizeScaleField() );
return r;
}