[gdal-dev] Re: Altering the GeoTransform matrix with World files and VRT files

[Jukka Rahkonen]

Craig Leat <craig.leat <at> gmail.com> writes:

> 
>
> 
> Before I proceed much further I wish to pose two questions:
> 1. Is there a gdal environment variable I may have missed that can be
> used to give precedence to the world file?
> 2. Is there any freely available software that will modify the
> metadata tags in a sid file?
>

Hi,

With Mapserver you can use:
PROCESSING "EXTENT_PRIORITY=WORLDFILE

More reading at
http://n2.nabble.com/
AGG-output-with-mapscript-C-5-2-problem-td1973340.html

I do not know how this feature could be utilised directly with gdal, 
but it exists.

-Jukka Rahkonen-