![]() ![]() The structure of the river network, as represented by a series of interconnected reaches.HEC-RAS Version 3.1.3 will import and export data using in a spatial data format in an ASCII text file. The spatial data the HEC-RAS can import and export are evolving - each new version of the software results in additional capabilities. Similarly, water surface elevations and other HEC-RAS results can be exported to CADD and GIS where they can be used to created model water surfaces for inundation mapping. ![]() This capability makes it possible to import channel geometry from CADD or GIS programs though automated data extraction procedures. At Version 2.0, HEC-RAS introduced a geospatial component to the geometry for the description of river networks and cross sections.
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