[Mapserver-users] rasters with more then 256 colors with gdal

Ed McNierney ed at topozone.com
Wed Jun 11 12:21:53 EDT 2003


Stephan -

Can you give us a description (with pictures, if possible) of the result you're trying to produce?  It's hard to tell what "comparable to a geotiff" means, since a geotiff can look like anything at all.  Thanks!

	- Ed

Ed McNierney
President and Chief Mapmaker
TopoZone.com / Maps a la carte, Inc.
73 Princeton Street, Suite 305
North Chelmsford, MA  01863
ed at topozone.com
(978) 251-4242 

-----Original Message-----
From: Stephan Holl [mailto:sholl at gmx.net]
Sent: Wednesday, June 11, 2003 2:05 AM
To: mapserver-users
Subject: [Mapserver-users] rasters with more then 256 colors with gdal


Dear list,
I have read on the list, that there should be a a mapfile-option to
process rasters with more than 265 colors (e.g. digital elevation
models) directly out of GRASS through gdal.
I tried the processing as Frank suggested on the list eralier, but the
result ist still not comparable to a geotiff.
LAYER
   NAME "dem"
   GROUP "relief"
   TYPE RASTER
   STATUS ON
 #switch off map at certain min scale (1:1000):
   MINSCALE 1000
   PROCESSING "SCALE=1066,1840"
   DATA "./grassdata/spearfish/PERMANENT/cellhd/elevation.dem"
   CLASS
     NAME "DEM"
   END
 END

Also 
PROCESSING "SCALE = AUTO" does not solve the problem.
I am using ms 3.7-cvs.

Thanks for any hints.

-- 
Stephan Holl

GnuPG Key-ID: 11946A09 
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