Shortcut when no rat min max classes found

qgis · Nov 19, 2022 · a548eac · a548eac
1 parent df347ec
commit a548eac
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/src/core/raster/qgspalettedrasterrenderer.cpp b/src/core/raster/qgspalettedrasterrenderer.cpp
@@ -463,6 +463,9 @@ QgsPalettedRasterRenderer::MultiValueClassData QgsPalettedRasterRenderer::raster
   QgsPalettedRasterRenderer::MultiValueClassData classData;
 
   const QList<QgsRasterAttributeTable::MinMaxClass> minMaxClasses { attributeTable->minMaxClasses( classificationColumn ) };
+  if ( minMaxClasses.empty() )
+    return QgsPalettedRasterRenderer::MultiValueClassData();
+
   for ( const QgsRasterAttributeTable::MinMaxClass &minMaxClass : std::as_const( minMaxClasses ) )
   {
     QVector<QVariant> values;