On Sun, Feb 16, 2014 at 8:36 AM, Jukka Rahkonen <jukka.rahko...@mmmtike.fi>wrote:
> Hi, > > I was thinking that a possibility to run images through filters with GDAL > could be nice sometimes. Especially for visual work with aerial and > satellite images filters like "sharpen" of "unsharp mask" > http://en.wikipedia.org/wiki/Unsharp_masking are often very useful. But > then > I found that kernel filters can already be used inside VRT files. Are there > usage examples with before-after comparison images somewhere in our > documentation? > The only I know of is the vrt tutorial (with very few details), but you have probably already read that http://www.gdal.org/gdal_vrttut.html These refs may help (obtained through a simple google search) http://homepages.inf.ed.ac.uk/rbf/HIPR2/unsharp.htm http://stackoverflow.com/questions/2938162/how-does-an-unsharp-mask-work > > I also found that there are some python scripts included in > \gdal\bin\gdal\python\scripts at least in the gisinternals GDAL builds but > some scripts are not listed in http://gdal.org/gdal_utilities.html. Is > there some other place where to find documentation about these scripts, for > example gdal_calc.py ? Some other than the sources, I mean. > > -Jukka Rahkonen- > > _______________________________________________ > gdal-dev mailing list > gdal-dev@lists.osgeo.org > http://lists.osgeo.org/mailman/listinfo/gdal-dev >
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