Ensure your scratch workspace and geodatabase paths contain no spaces, no special characters, and are less than 13 characters long . Avoid saving directly to cloud-synced folders like OneDrive. Cross-Section Elevations are Blank or Zero
Choose the default installation path, which usually installs in C:\Program Files (x86)\HEC\HEC-GeoRAS .
: HEC-GeoRAS 10.2 was the last version officially tested and supported by the US Army Corps of Engineers for ArcGIS 10.2. ArcGIS 10.8 Version : Users can find HEC-GeoRAS version Esri FTP site
The tool interpolates water surface elevations between your cross-section cut lines, generating a Water Surface Cell Grid.
: Users have successfully utilized HEC-GeoRAS 10.8.0.3 on ArcGIS 10.8. hec georas for arcgis 108 upd
Mastering HEC-GeoRAS for ArcGIS 10.8: Setup, Workflows, and Troubleshooting
If you are running ArcGIS 10.8 or 10.8.2 and need to get GeoRAS functional, here is the essential update guide. 1. The Right Version for 10.8
Since "HEC-GeoRAS" is a legacy tool that has largely been superseded by the HEC-RAS Mapper for newer versions, developing a "feature" for this specific version (ArcGIS 10.8) usually involves bridging the gap between the older ArcMap environment and modern terrain data processing.
If you want, I can:
Create a temporary key or rename the folder to mimic Desktop10.5 so the installer recognizes the path, or run the installer via Command Prompt using the compatibility skip parameter if available.
While HEC-GeoRAS has been a flagship product for the ArcMap environment for years, Esri has discontinued the 10.x series and its support for new features, moving forward with its flagship platform, ArcGIS Pro. While HEC-GeoRAS is compatible with ArcGIS 10.8, there is no official native version for ArcGIS Pro. Users are now looking for alternatives:
For critical infrastructure projects, consider keeping a dedicated Windows 10 virtual machine with ArcGIS 10.8.1 and HEC-GeoRAS 10.2.1 frozen in time. For modern workflows, begin transitioning to HEC-RAS’s native mapping tools or ArcGIS Pro. But for today, if you need the tool to work—right now—the 10.8 update is your solution.
If you’re working with floodplain mapping, hydraulic modeling, or river hydraulics, you’ve likely encountered the powerful combination of and HEC-GeoRAS . For those using ArcGIS 10.8, staying up to date with the correct version of the GeoRAS extension is critical. Ensure your scratch workspace and geodatabase paths contain
Delineate the left and right main channel banks.
: Run the installer and follow the on-screen prompts.
A "Basic" (formerly ArcView), "Standard," or "Advanced" (formerly ArcInfo) license is required, though some advanced geodatabase functions may require higher levels. 2. Download Latest Installations