Path: utzoo!attcan!utgpu!jarvis.csri.toronto.edu!mailrus!tut.cis.ohio-state.edu!cs.utexas.edu!csd4.milw.wisc.edu!leah!rpi!rpics!kyriazis From: kyriazis@rpics (George Kyriazis) Newsgroups: comp.graphics Subject: Re: ray tracing transparent images and color Message-ID: <5441@rpi.edu> Date: 12 Jun 89 19:45:50 GMT References: <2809@scolex.sco.COM> <5413@rpi.edu> Sender: usenet@rpi.edu Reply-To: kyriazis@turing.cs.rpi.edu (George Kyriazis) Organization: RPI CS Dept. Lines: 27 In article afoiani@dante.nmsu.EDU (Anthony Foiani) writes: >hmm... sounds to me like he's talking about looking through a glass >window or something to that effect... > >alternatively, it could be translated as placing a certain filter over >an image; the various multiplication schemes which have shown up on >this topic would make seem to work when it is considered a filter on >the "lens" of a compu-camera. > Yes, I agree on that, but that certainly implies that there are some refracted ray going THROUGH the glass. If they weren't, simply you could just see a solid blob. >i'm by *NO* means an expert, but this seems to make a wierd sort of >sense. > Me neither... George Kyriazis kyriazis@turing.cs.rpi.edu kyriazis@rdrc.rpi.edu ------------------------------