GeoHECRAS provides several GIS mapping functions that will automatically map GIS attribute data to the HEC‑RAS model. These functions include:
- Assigning channel banks
- Assigning flow lengths
- Assigning ineffective flow areas
- Assigning conveyance obstructions
- Assigning levees
- Assigning Manning’s roughness
To access these GIS mapping functions, select the Input | Assign Entities ribbon menu command.
In addition, there are additional GIS mapping functions available in the Input | Manning’s Roughness ribbon menu command.