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- From: donna@peabody.eece.unm.edu (Donna Koechner)
- Newsgroups: comp.soft-sys.khoros
- Subject: Re: "Bug" in vrotate ?
- Message-ID: <42805@pprg.eece.unm.edu.pprg.unm.edu>
- Date: 22 Jan 93 19:08:09 GMT
- Sender: daemon@pprg.unm.edu
- Lines: 35
-
- On Jan 22, 8:46am, Joachim Glaubrecht #Alwd# wrote:
- } Subject: "Bug" in vrotate ?
- }
- } "Hi" to all Khoros-Users,
- }
- } i think i have found a "bug" in vrotate:
- }
- } when i try to rotate a 512x512 (short-)image in a 90 degree angle,
- } (-d 90) the image losts it's border information.
- }
- } the first and last row and collom is replaced by "random" zero pixels.
- }
- } o.k. i know that rotating an image is a big problem because of the
- } diskret data. but this replacement is hard to find (looks like a normal
- } X-window border) and the algorithm i use after the rotation gets mad
- } because of the "high-dynamic" of the data.
- }
- } just a simple question:
- }
- } is there no other tool, that can do this 90-degree-angle-rotation for me?
- } ~~~~~~~~~~~~
-
-
- Try a vtranspos followed by a vflip (from side to side).
-
- } ANY help is wellcome ...
- }
- } - --
- } ___ _____________________________________ >>>>>>>>><<<<<<<<<
- } / / _____ ! jogl@tolkien.imib.rwth-aachen.de ! >>> ATTENTION: <<<
- } __/__/_/ Gl ! RWTH-Aachen, Germany, Europe ! NEW EMail-Address
- } /_/ !_Never_send_a_boy_to_do_a_man's_job__! (imsd --> imib)
- }-- End of excerpt from Joachim Glaubrecht #Alwd#
-
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