[gdal-dev] Thin Plate Spline

Even Rouault even.rouault at mines-paris.org
Fri Apr 30 18:21:39 EDT 2010

It should work... Perhaps you can share how to reproduce what you see

Le Saturday 01 May 2010 00:17:06 Jan Hartmann, vous avez écrit :
> Hi,
> I'm rubber-sheeting old, deformed maps using the thin plate spline
> option of gdalwarp (-tps). My impression was that the control points
> would be transformed to exactly their georeferenced locations, but in
> the georeferenced image the control poimts don't quite align with the
> gcp-coordinates I specified. I'm only using five points per map, so
> could this be the problem? If so, how many points do I need to get the
> control points on their exact location? Or are there other ways to
> achieve this?
> Jan
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