In order to make viewing, editing, and reviewing data simpler in HEC-FIA 3.1, most data elements have geospatial components that are interactive through the map window. To enable the geospatial features of model elements, HEC-FIA Version 3.1 has the ability to import model data from shapefiles. If the user wishes to provide auxiliary maps for visualization purposes, (but not for model data) that is possible also. The geospatial data formats HEC-FIA supports are reviewed in the following sections.