# Reads a HEC-RAS geometry file (.g01-.g99) directly and creates: # 1. hw_2d_zone - 2D computational area from Storage Area polygons # 2. hw_roughness_zone - Manning's n roughness zones from LCMann ...
Automated 2D HEC-RAS hydraulic modeling pipeline — terrain ingestion to finished flood maps. Built at the Illinois State Water Survey (CHAMP Section) in collaboration with CLB Engineering Corporation ...