GeoHECRAS 现在可以导入 AutoCAD Civil 3D 曲面、ArcInfo 高程网格文件等。

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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