nviz Visualization and animation tool for GRASS data. Visualization(NVIZ) QgsProcessingParameterMultipleLayers|elevation|Name of elevation raster map|3|None|False QgsProcessingParameterMultipleLayers|color|Name of raster map(s) for Color|3|None|False QgsProcessingParameterMultipleLayers|vector|Name of vector lines/areas overlay map(s)|-1|None|False QgsProcessingParameterMultipleLayers|point|Name of vector points overlay file(s)|0|None|True QgsProcessingParameterMultipleLayers|volume|Name of existing 3d raster map|3|None|True