r.topmodel Simulates TOPMODEL which is a physically based hydrologic model. Raster (r.*) ParameterFile|parameters|Name of TOPMODEL parameters file|False|False ParameterFile|topidxstats|Name of topographic index statistics file|False|False ParameterFile|input|Name of rainfall and potential evapotranspiration data file|False|False ParameterString|timestep|Time step. Generate output for this time step|None|False|True ParameterString|topidxclass|Topographic index class. Generate output for this topographic index class|None|False|True OutputFile|output|TOPMODEL output