[gdal-dev] resampling artifacts
Brent Fraser
bfraser at geoanalytic.com
Fri Nov 7 10:54:39 EST 2008
Thanks Even, I'll try the 1.6.0 beta.
Even Rouault wrote:
> Brent,
>
> Have you tried with GDAL 1.6.0 beta ? Much work has been done in that area and
> those artifacts should have disappeared and people. See
> http://trac.osgeo.org/gdal/ticket/2627
>
> Le Friday 07 November 2008 00:08:51 Brent Fraser, vous avez écrit :
>> Has anyone experienced resampling artifacts using gdalwarp?
>>
>> I'm using v1.5.2, and with lanczos or cubicspline resampling, I get a
>> vertical line and a horizontal line of seemingly random pixels about 6
>> pixels wide running through the center of the output image.
>>
>> I'm resampling a 16-bit tif image from 12.5 meters to 200 meters. The
>> other resampling methods result in an ok output image.
>>
>> I've attached a png to illustrate the effect. I thought I'd ask before
>> filing a bug report...
>>
>> Thanks!
>> Brent Fraser
>
>
>
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