Ken,
PKZIP is capable of opening them. Also I believe any UNIX platform can
unzip them using the command gunzip. After that, I believe they are in
geotif format. Greg Reinecke at Geodigital mapping works with USGS DEMs
a lot and may have more information for any problems you might have.
Court
Ken Hickey wrote:
> G'day again I have just downloaded some 250k DEMs from the USGS. They
> are compressed files with names like "winnemucca-w.gz". How do I go
> about converting these into something I can load into ERMapper. When I
> try to use WinZip to uncompress them it asks for the full name of the
> file being uncompressed including it's 3 character file extension.
> Does anyone know what the extension should be? Once I have them
> uncompressed, how to I get them into ERMapper? CheersKen Hickey
> ------------------------------------------------------------------
> Dr Kenneth Hickey
> Mineral Deposit Research Unit (MDRU)
> Department of Earth and Ocean Sciences
> University of British Columbia
> 6339 Stores Rd, Vancouver, BC V6T 1Z4, Canada
> phone +1-604-822-3765; Fax +1-604-822-6088
> email: [EMAIL PROTECTED]
>
> .
--
Courtland Davis
Imagery Scientist
Observera, Inc.
800-444-6905
http://www.observera.com/
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