[Gdal-dev] gdalwarp doesn't honour my GCPs

Frank Warmerdam fwarmerdam at gmail.com
Mon Sep 5 16:51:18 EDT 2005


On 9/5/05, Vincent Schut <vincent at ecovla.nl> wrote:
> Maciek,
> 
> have you tried it without the tfw file? The presence of a tfw file might
> well get in the way of your gcp's, as the tfw file already gives your
> image its corner points. I'd say, rename your tfw file to .tfw.bak or
> something, and try gdalwarp again.
>

Maciek / Vincent,

I would concur.  As long as gdalwarp finds a geotransform (whether 
from a .tfw or whatever) it won't use the GCPs. 

Best regards,
-- 
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I set the clouds in motion - turn up   | Frank Warmerdam, warmerdam at pobox.com
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and watch the world go round - Rush    | Geospatial Programmer for Rent




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