D-Infinity Avalanche Runout (multifile) dinfavalanche Specialized Grid Analysis tools ParameterFile|-ang|D-Infinity Flow Direction Grid|True|False ParameterFile|-fel|Pit Filled Elevation Grid|True|False ParameterFile|-ass|Avalanche Source Site Grid|True|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 OutputDirectory|-rz|Runout Zone Grid OutputDirectory|-dfs|Path Distance Grid