Older versions of HEC-GeoRAS occasionally exported geometry files with formatting quirks that newer HEC-RAS versions (6.0+) flagged as errors.
HEC-GeoRAS is an extension for ArcGIS (specifically ArcMap/ArcCatalog, ArcGIS Pro in its classic form) that allows users to manipulate geospatial data for HEC-RAS. Its primary functions include: hec georas for arcgis 108 upd
The serves a very specific purpose: keeping legacy floodplain mapping projects alive on the final version of ArcMap. GeoRAS 10.2.1 is stable, reliable for 1D models, and will run for the next 3-5 years on maintained Windows 10 systems. reliable for 1D models
: Download the compatible version (typically 10.8 or the latest version for ArcGIS 10) from the HEC-GeoRAS downloads archive . Data Preparation hec georas for arcgis 108 upd