bool QgsGPXFeatureIterator::readRoute( const QgsRoute &rte, QgsFeature &feature )
{
if ( rte.points.isEmpty() )
return false;
QgsGeometry *geometry = readRouteGeometry( rte );
if ( !mFilterRect.isNull() )
{
if ( ( rte.xMax < mFilterRect.xMinimum() ) || ( rte.xMin > mFilterRect.xMaximum() ) ||
( rte.yMax < mFilterRect.yMinimum() ) || ( rte.yMin > mFilterRect.yMaximum() ) )
{
delete geometry;
return false;
}
if ( !geometry->intersects( mFilterRect ) ) //use geos for precise intersection test
{
delete geometry;
return false;
}
}
if ( !( mRequest.flags() & QgsFeatureRequest::NoGeometry ) )
{
feature.setGeometry( *geometry );
delete geometry;
}
else
{
delete geometry;
}
feature.setId( rte.id );
feature.setValid( true );
feature.setFields( mSource->mFields ); // allow name-based attribute lookups
feature.initAttributes( mSource->mFields.count() );
readAttributes( feature, rte );
return true;
}
bool QgsGPXFeatureIterator::readRoute( const QgsRoute& rte, QgsFeature& feature )
{
if ( rte.points.size() == 0 )
return false;
QgsGeometry* theGeometry = readRouteGeometry( rte );
if ( mRequest.filterType() == QgsFeatureRequest::FilterRect )
{
const QgsRectangle& rect = mRequest.filterRect();
if (( rte.xMax < rect.xMinimum() ) || ( rte.xMin > rect.xMaximum() ) ||
( rte.yMax < rect.yMinimum() ) || ( rte.yMin > rect.yMaximum() ) )
return false;
if ( !theGeometry->intersects( rect ) ) //use geos for precise intersection test
{
delete theGeometry;
return false;
}
}
if ( !( mRequest.flags() & QgsFeatureRequest::NoGeometry ) )
{
feature.setGeometry( theGeometry );
}
else
{
delete theGeometry;
}
feature.setFeatureId( rte.id );
feature.setValid( true );
feature.setFields( &mSource->mFields ); // allow name-based attribute lookups
feature.initAttributes( mSource->mFields.count() );
readAttributes( feature, rte );
return true;
}