[Backport release-3_16] Fix atlas filtering when exporting using proc…

…essing algorithms (#44519) * filter features when exporting atlas image and filter is enabled * filter features when exporting atlas pdf and filter is enabled * fixed tests * removed functions for filtering and unfiltering the atlas coverage layer Co-authored-by: Samweli <samweli@kartoza.com>
qgis · Aug 2, 2021 · 907d976 · 907d976
1 parent 32270fc
commit 907d976
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diff --git a/src/analysis/processing/qgsalgorithmlayoutatlastoimage.cpp b/src/analysis/processing/qgsalgorithmlayoutatlastoimage.cpp
@@ -141,6 +141,7 @@ QVariantMap QgsLayoutAtlasToImageAlgorithm::processAlgorithm( const QVariantMap
 
     expression = parameterAsString( parameters, QStringLiteral( "FILTER_EXPRESSION" ), context );
     atlas->setFilterExpression( expression, error );
+    atlas->setFilterFeatures( !expression.isEmpty() && error.isEmpty() );
     if ( !expression.isEmpty() && !error.isEmpty() )
     {
       throw QgsProcessingException( QObject::tr( "Error setting atlas filter expression" ) );

diff --git a/src/analysis/processing/qgsalgorithmlayoutatlastopdf.cpp b/src/analysis/processing/qgsalgorithmlayoutatlastopdf.cpp
@@ -143,6 +143,7 @@ QVariantMap QgsLayoutAtlasToPdfAlgorithm::processAlgorithm( const QVariantMap &p
 
     expression = parameterAsString( parameters, QStringLiteral( "FILTER_EXPRESSION" ), context );
     atlas->setFilterExpression( expression, error );
+    atlas->setFilterFeatures( !expression.isEmpty() && error.isEmpty() );
     if ( !expression.isEmpty() && !error.isEmpty() )
     {
       throw QgsProcessingException( QObject::tr( "Error setting atlas filter expression" ) );