r.surf.area Surface area estimation for rasters. Raster (r.*) QgsProcessingParameterRasterLayer|map|Input layer|None|False QgsProcessingParameterNumber|vscale|Vertical scale|QgsProcessingParameterNumber.Double|1.0|True|None|None QgsProcessingParameterEnum|units|Units|miles;feet;meters;kilometers;acres;hectares|False|1|True QgsProcessingParameterFileDestination|html|Area|Html files (*.html)|report.html|False