[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
> 
> 
> 


More information about the gdal-dev mailing list