[GRASS-user] How to make a conversion of ERSI Grid ASCII==>USGS DEM?

Hamish hamish_b at yahoo.com
Sun Mar 1 03:05:49 EST 2009

Illidan wrote:
> I'm trying a conversion of from ERSI Grid ASCII(e00) to legacy USGS
> DEM that one old piece of software I'm using supports. I searched the
> web and only got results about the reverse conversion, i.e. USGS
> DEM==> e00. So I ask for help here. I appreciate any feasible work
> flow or hint on an existing conversion software.

$ gdalinfo --formats | grep USGS
  DOQ1 (ro): USGS DOQ (Old Style)
  DOQ2 (ro): USGS DOQ (New Style)
  ISIS3 (ro): USGS Astrogeology ISIS cube (Version 3)
  ISIS2 (ro): USGS Astrogeology ISIS cube (Version 2)
  USGSDEM (rw): USGS Optional ASCII DEM (and CDED)

(see gdal.org)

hopefully you want USGSDEM? if so import to GRASS with v.in.e00 and
do what you have to do to get into raster format before running
"r.out.gdal format=USGSDEM". what is the nature of the e00 file?
contour lines? TIN? points? ascii-grid of some sort?



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