Surface and Gradient
sim_hydrology
QgsProcessingParameterRasterLayer|MASK|Mask|None|False
QgsProcessingParameterRasterDestination|SURF|Surface
QgsProcessingParameterRasterDestination|GRAD|Gradient
QgsProcessingParameterNumber|SURF_E|Surface Approximation Threshold|QgsProcessingParameterNumber.Double|0.001000|False| 0.000000|None