[gdal-dev] resampling artifacts

[Even Rouault]

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