Hi Mr. Aughey, Sorry for hitting the send-button accidentally.
But perhaps i did not explain exactly enough what i meant. > On Thu, 24 Jan 2002, Peter Buckenleib wrote: > > is there a way to correct optical distortions of wide-angle lenses > > ( most annoing within architectural pics ) using gimp ? > > It's possible...read on. > > > I'm dreaming of something like stetching the upper side, > > interpolate all the pixel-lines down to the bottom-line (which > > remains unstretched) and then cutting away the resulting triangles > > on the left and right side to restore the original size of the > > scan. > > What you need to do is first calibrate the camera. By that, I mean > you need to be able to determine the optical distortion parameters of > the lens. This includes, the center of optical distortion (usually > not exactally in the center), and the spherical distortion exhibited > by the lens. There's software out there to do this and I've done it > with my own digital video camera for CGI. > The spherical distortion and other , let me say "defects or construction-bugs" of the lens are not what i ment, but the very common effekt that the baseline of a building on the print is for example 5 inches, and the top floor is only 3 inches, but it should be rectangluar. I'll keep your mail for later use (maybe). Thanks for your response Peter -- Peter Buckenleib Am Europakanal 8 91056 Erlangen Tel: 09131 992234 Fax: 09131 791045 Mail: [EMAIL PROTECTED] _______________________________________________ Gimp-user mailing list [EMAIL PROTECTED] http://lists.xcf.berkeley.edu/mailman/listinfo/gimp-user