Graphic Design Stack Exchange is a question and answer site for Graphic Design professionals, students, and enthusiasts. Join them; it only takes a minute:

Sign up
Here's how it works:
  1. Anybody can ask a question
  2. Anybody can answer
  3. The best answers are voted up and rise to the top

I have a specific perspective transformation that I want to apply to an image. How can I enter the matrix values manually in GIMP instead of playing around with stretching the image until the numbers come out right (which is virtually impossible)?

share|improve this question

I'm afraid currently there's no way to specify transformation matrix in Gimp other than writing a plugin/script yourself or using one of the MathMap operations. MathMap is actually standalone app, but it can be used as a plugin for Gimp.

share|improve this answer
MathMap is currently not available on Linux, but you can achieve the same thing in imagemagick using the -affine -transform options. – sebastian_k Jul 25 '14 at 14:34
Oh, but it is available :). The project page misses only “official” binaries, but the source is there. Besides, most distros build their binaries from sources anyway, so… – thebodzio Jul 28 '14 at 1:56

Your Answer


By posting your answer, you agree to the privacy policy and terms of service.

Not the answer you're looking for? Browse other questions tagged or ask your own question.