On Mon, 04 Mar 2002 08:39:42 -0500, Timothy R. Cook wrote:
> bob h wrote:
>> If you go to www.povray.org and then the POV Links you can search for DEM
>> (search is at bottom of page).  A converter is there, along with several
>> other related things.
> 
> Does anybody have a program that can actually convert the DEM
> that *I* have to TGA?

GRASS probably can.  I have GRASS 5.0 built and installed here, so I guess
I could give it a try.  But the data from gtopo isn't very high resolution,
so you might not like what you get.

Instead, try one of the DEM files you can find at http://data.geocomm.com/dem/
They appear to have 7.5' data for all of the region of southern Nebraska you
seem to be interested in (but why can't you just use a plane... :) )

They come in SDTS format, but you can get a converter to the older DEM format
from http://www.gisdatadepot.com/dem/sdts2dem.html .  You should be able to
use that format with the tools you'll find on the povray.org links page.

-- 
#local R=rgb 99;#local P=R-R;#local F=pigment{gradient x}box{0,1pigment{gradient
y pigment_map{[.5F pigment_map{[.3R][.3F color_map{[.15red 99][.15P]}rotate z*45
translate x]}]#local H=pigment{gradient y color_map{[.5P][.5R]}scale 1/3}[.5F
pigment_map{[.3R][.3H][.7H][.7R]}]}}}camera{location.5-3*z}//only my opinions

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