[gdal-dev] Re: Add GCP's to a file
Jukka Rahkonen
jukka.rahkonen at mmmtike.fi
Sun Feb 21 04:05:48 EST 2010
Frank wrote:
>> Also the extents reported by gdalinfo are the widest possible extents
and if
>> those are to be used only UL coordinated can be used as it. For
other three
>> corners there is a need to minus one pixel size in one or both axis
directions.
> The lower right corner reported by gdalinfo would be at
> pixel/line coordinate (xsize,ysize).
Last pixel/line of, let's say 1000 by 1000 pixel image is (999,999). So it is
possible to give a GCP to pixel (1000,1000), that is actually outside of the
image? Knowing that would have saved me some work.
-Jukka-
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