GeoEFM is a software tool developed to support spatial analyses commonly used during applications of the Ecosystem Functions Model (HEC-EFM).
GeoEFM 3.0 is programmed as a toolbox for ArcGIS Pro. GeoEFM 2.0 and 1.0 are programmed as toolbar extensions for ArcMap. Version 3.0 can be installed concurrently with Version 2.0, which was released in August 2024.
Use of GeoEFM 3.0 requires an advanced level license for ArcGIS Pro 3.0, 3.1, 3.2, or 3.3. Spatial Analyst and 3D Analyst extensions must be installed and activated for any combination of GeoEFM and ArcGIS.
There are two ways to install GeoEFM 3.0.
The first is via a windows installer package (HEC-GeoEFM_3.0.034_Setup.msi). Using the installer requires administrative privileges and installs GeoEFM as a system toolbox.
The second is by extracting GeoEFM from a compressed file (HEC-GeoEFM_3.0.034.zip) and then inserting the extracted GeoEFM toolbox (HEC-GeoEFM.atbx) into the desired Pro project via the Insert - Toolbox - Add Toolbox feature in Pro. Using the compressed file does not require administrative privileges and installs GeoEFM as a project toolbox.
There were 34 beta versions and 50 bug fixes for GeoEFM 3.0 in ArcGIS Pro (Pro).