Fast Region Growing Algorithm imagery_rga QgsProcessingParameterMultipleLayers|INPUT|Input Grids|3|None|False QgsProcessingParameterRasterLayer|START|Seeds Grid|None|False QgsProcessingParameterRasterLayer|REP|Smooth Rep|None|True QgsProcessingParameterRasterDestination|RESULT|Segmente QgsProcessingParameterRasterDestination|MEAN|Mean