本文整理汇总了C++中QgsFieldMap::find方法的典型用法代码示例。如果您正苦于以下问题：C++ QgsFieldMap::find方法的具体用法？C++ QgsFieldMap::find怎么用？C++ QgsFieldMap::find使用的例子？那么恭喜您, 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QgsFieldMap的用法示例。
在下文中一共展示了QgsFieldMap::find方法的1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: QgsVectorLayer
void QgsProjectFileTransform::transform0110to1000()
{
if ( ! mDom.isNull() )
{
QDomNodeList layerList = mDom.elementsByTagName( "maplayer" );
for ( int i = 0; i < layerList.size(); ++i )
{
QDomElement layerElem = layerList.at( i ).toElement();
QString typeString = layerElem.attribute( "type" );
if ( typeString != "vector" )
{
continue;
}
//datasource
QDomNode dataSourceNode = layerElem.namedItem( "datasource" );
if ( dataSourceNode.isNull() )
{
return;
}
QString dataSource = dataSourceNode.toElement().text();
//provider key
QDomNode providerNode = layerElem.namedItem( "provider" );
if ( providerNode.isNull() )
{
return;
}
QString providerKey = providerNode.toElement().text();
//create the layer to get the provider for int->fieldName conversion
QgsVectorLayer* theLayer = new QgsVectorLayer( dataSource, "", providerKey, false );
if ( !theLayer->isValid() )
{
delete theLayer;
return;
}
QgsVectorDataProvider* theProvider = theLayer->dataProvider();
if ( !theProvider )
{
return;
}
QgsFieldMap theFieldMap = theProvider->fields();
//read classificationfield
QDomNodeList classificationFieldList = layerElem.elementsByTagName( "classificationfield" );
for ( int j = 0; j < classificationFieldList.size(); ++j )
{
QDomElement classificationFieldElem = classificationFieldList.at( j ).toElement();
int fieldNumber = classificationFieldElem.text().toInt();
QgsFieldMap::const_iterator field_it = theFieldMap.find( fieldNumber );
if ( field_it != theFieldMap.constEnd() )
{
QDomText fieldName = mDom.createTextNode( field_it.value().name() );
QDomNode nameNode = classificationFieldElem.firstChild();
classificationFieldElem.replaceChild( fieldName, nameNode );
}
}
}
}
}