Executing HEC-RAS Plans via RasControl (COM Interface)

Use RasControl to automate HEC-RAS versions 3.x-5.x via the HECRASController COM interface. For HEC-RAS 6.x+, use RasCmdr instead.

Primary Sources

1. RasControl Implementation

Location: ras_commander/RasControl.py

Read these key sections:

• Lines 438-527: RasControl class with version mapping and output variable codes
• Lines 543-742: COM lifecycle management (_com_open_close())
• Lines 746-884: run_plan() with smart skip and watchdog protection
• Lines 936-1177: get_steady_results() - extract steady state profiles
• Lines 1179-1458: get_unsteady_results() - extract time series with Max WS
• Lines 1647-1909: Process management API (orphan cleanup)