Sunday, August 28, 2016

Importing From HEC-RAS to Civil 3D using the IMPORTHECRAS command

When you export from HEC-RAS (File, Export GIS DATA) you must check the Water Surface Extents checkbox.

The "cross section" lines that come in are not really the cross sections.  They each represent a straight line from the left inundation limit to the right inundation limit.

Maybe it's time to write a LISP routine.

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