D-Infinity Avalanche Runout dinfavalanche Specialized Grid Analysis tools ParameterRaster|-ang|D-Infinity Flow Direction Grid|False ParameterRaster|-fel|Pit Filled Elevation Grid|False ParameterRaster|-ass|Avalanche Source Site Grid|False ParameterNumber|-thresh|Proportion Threshold|0.00001|10.0|0.2 ParameterNumber|-alpha|Alpha Angle Threshold|0|360|18 ParameterBoolean|-direct|Measure distance along flow path|True OutputRaster|-rz|Runout Zone Grid OutputRaster|-dfs|Path Distance Grid