[gdal-dev] Re: gdal_rasterize output off by one pixel/cell

Hermann Peifer peifer at gmx.eu
Sun Aug 28 15:37:44 EDT 2011

On 28/08/2011 14:25, Even Rouault wrote:
> Le samedi 27 août 2011 11:14:00, Hermann Peifer a écrit :
>> Matthew,
>> An absolute kludge-type of "solution" would be a) to make sure that the
>> GeoTIFF is larger than the shapefile when rasterising (in order to not
>> loose points at the edges) and b) to shift the GeoTIFF NW by 0.5 pixel
>> after rasterising, as I already wrote in my previous mail.
>> There has been no traffic on Eli's ticket
>> http://trac.osgeo.org/gdal/ticket/3774 during the last 11 months, so my
>> guess is that the bug will remain for a while. It's strange that there
>> aren't more people stumbling across the issue.
> I've applied a fix in trunk in http://trac.osgeo.org/gdal/changeset/22998 .
> Please test and confirm if it works for you.


After some testing, I can confirm that both issues (half-pixel shift and 
lost point at edges) are gone. This is great.

Thanks for spending your time fixing this issue, on a sunny Sunday 


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