GeoHECRAS can now import AutoCAD Civil 3D Surfaces, ArcInfo Elevation Grid Files, and more…

GeoHECRAS - Elevation Data Support

GeoHECRAS can now import AutoCAD Civil 3D Surfaces, ArcInfo Elevation Grid Files, and more…

As requested by our users, the following elevation data file formats can be used for cutting HEC-RAS cross sections and generating detailed floodplain maps:

  • ArcInfo ASCII Elevation Grids
  • ArcInfo Binary Elevation Grids
  • ArcInfo Contour Shapefiles
  • ArcInfo Elevation Point Shapefiles
  • ArcInfo GDB File Geodatabases
  • ArcInfo MDB Personal Geodatabases
  • AutoCAD Civil 3D Surfaces
  • AutoCAD Contours
  • GeoTIFF Elevation Grids
  • LandXML Terrain Models
  • USGS DEM Elevation Grids
  • USGS NED Elevation Grids – BIL Format
  • USGS NED Elevation Grids – Float Format
  • XYZ ASCII Point Terrain Data

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About the Author Chris Maeder

Chris Maeder

Chris is an experienced civil engineering and software technology leader, with over 30 years industry experience. With proven expertise in global software development, he has built engineering teams that adapt quickly, focus on what’s important and, most importantly, deliver. He is a licensed professional civil engineer with extensive experience in water resource engineering. He has performed and supervised engineering projects in urban stormwater drainage, transportation and roadway drainage, storm sewer design, detention pond design, stormwater quality, green infrastructure, watershed management planning, wastewater sewers, water distribution networks, pump stations, FEMA flood studies, bridge and culvert design, bridge scour and armoring, dam failure analysis, seepage and groundwater modeling, and environmental permits.