[gdal-dev] stripes in ArcInfo binary grid

Frank Warmerdam warmerdam at pobox.com
Wed Mar 5 10:15:05 EST 2008


Bart van den Eijnden (OSGIS) wrote:
> Hi list,
> 
> after upgrading to GDAL 1.5 (coming from 1.4) we have some stripes in an
> ArcInfo binary grid (viewed with Mapserver).
> 
> Any ideas what could be causing this?
> 
> The problem can be seen in this screendump:
> 
> http://www.osgis.nl/download/gdal15problem.png

Bart,

If you can file a ticket on this, and provide a pointer to the problem dataset
I'll treat this as priority to fix before the soon to be released GDAL 1.5.1.

There have been some improvements to the tile decoder for arc/info grids for
1.5.0 but with no specifications and only a haphazard assortment of test data
it is hard to be sure one improvement doesn't break some other case.

Best regards,
-- 
---------------------------------------+--------------------------------------
I set the clouds in motion - turn up   | Frank Warmerdam, warmerdam at pobox.com
light and sound - activate the windows | http://pobox.com/~warmerdam
and watch the world go round - Rush    | President OSGeo, http://osgeo.org



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