[GRASS-user] GTiff export

[Gerald Nelson]

Dylan et. al, Can I encourage people to add the kind of information in your website the grass frequently asked questions section? Your link is to a web page that looks like a really useful set of directions but would be hard for outsiders to find.

Just a thought.

Jerry

---- Original message ----
>Date: Mon, 18 Dec 2006 11:13:05 -0800
>From: Dylan Beaudette <dylan.beaudette at gmail.com>  
>Subject: Re: [GRASS-user] GTiff export  
>To: grassuser at grass.itc.it
>
>On Monday 18 December 2006 08:05, Raffaele Morelli wrote:
>> Hi,
>>
>> I got two raster files imported in Grass using r.in.gdal, one represents a
>> dem, the other is a "drape". (the files originated from ArcGIS)
>> I am setting up a WebGis app (apache, mapserver, php_mapscript) and need a
>> tiff layer to represent elevation and have a image background to put my
>> vectors/points on.
>>
>> I tried to export the dem file with r.out.gdal, but I obtain something
>> similar to a negative a b/w image with no colors!
>> Tried several 'createopt' but still with no success.
>> With Grass6.2 everything looks fine.
>>
>> Whats' wrong? Should I merge the two raster files first?
>> I am not a "GIS geek" so any kind of help will be appreciate.
>>
>> thanx
>> raffaele
>
>Hi, 
>
>I have had similar problems in the past. Here are some ideas that I posted a 
>while back:
>http://casoilresource.lawr.ucdavis.edu/drupal/node/337
>
>Note that r.out.gdal has been updated since I posted these notes. Also- I have 
>had the best luck using arcinfo (command line) directly to import geotiff 
>files:
>
>imagegrid * * * *
>
>cheers,
>
>-- 
>Dylan Beaudette
>Soils and Biogeochemistry Graduate Group
>University of California at Davis
>530.754.7341
>
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Gerald Nelson
Professor, Dept. of Agricultural and Consumer Economics
University of Illinois, Urbana-Champaign
office: 217-333-6465 
cell: 217-390-7888
315 Mumford Hall
1301 W. Gregory
Urbana, IL 61801