Legacy ImageMagick Discussions Archive

fmw42 wrote:try -filter point -interpolate nearestneighbor

I believe that -filter point turns off EWA resampling and then allows -interpolate to work.

That did it. Thanks a million!

FYI, that was not intuitive based on the documentation

Thanks for the help. I have tried:

-filter Point
Same results as -interpolate NearestNeighbor

-filter Box
ALMOST what I'm looking for. There is only a single interpolated value instead of a smooth gradient along the borders.

I am attempting to do 2d 2nd order polynomial warping of an image with a collection of control points. I need the borders between two color regions to not be interpolated at all. If the source image goes from #00FF00 to #FF0000, then I want the warped image to also have that same transition (though ...