File Formats

Some of the data file formats that EFDC_Explorer currently reads include:
DAT/TXT	ASCII XYZ files with space, comma or tab delimited (Appendix B)
TB2/TP2	ASCII regular grid file (Appendix B)
P2D	ASCII XYZ files grouped into polylines. Space, comma or tab delimited (see Appendix B)
2DM/3DM	Surface Water Modeling System (SMS) mesh geometry file
PLT	TecPlot formatted file
E00	ArcInfo Coverage Export file
BIL/DEM	USGS BIL format for Digital Elevation Model (DEM)
GRD/ASC	ArcInfo ASCII grid file
Furthermore, some of EFDC_Explorer polygon/polyline formats supported include:
KML	Google Earth formatted file. Model units must be in UTM WGS84
SDF	HEC-RAS GeoRas File
G0	HEC-RAS Geometry File
DXF	AutoCad drawing exchange format
SHP	ESRI ArcView Shapefile (units must be in model units or Lat/Long)
TAB	Mapinfo (units must be in model units or Lat/Long)
LDB, SPL	Delft land boundary or spline format
DLG, OPT	USGS Digital Line Graph

EFDC_Explorer 8 Knowledge Base