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- Path: sparky!uunet!vnet.ibm.com
- From: capelli@vnet.ibm.com (Ron Capelli)
- Message-ID: <19921112.161357.590@almaden.ibm.com>
- Date: Thu, 12 Nov 92 19:10:56 EST
- Newsgroups: comp.graphics
- Subject: Re: Is POV optically accurate ?
- Disclaimer: This posting represents the poster's views, not those of IBM
- News-Software: UReply 3.0
- References: <1992Nov12.133317.5833@genes.icgeb.trieste.it>
- Lines: 34
-
- In article <1992Nov12.133317.5833@genes.icgeb.trieste.it>
- oberto@genes.icgeb.trieste.it (Jacques Oberto) writes:
- >I am trying to reproduce one of Newton's experiments with POV.
- >Would a simulated white light beam hitting a glass prism with the
- >right angle be scattered into a rainbow spectrum ?
- >Are POV and other ray-tracers optically accurate in that respect ?
- >Has anybody tested the properties of 'raytraced' light other than
- >reflection and refraction ?
-
- Can't say about POV, but here are some references that may be of
- interest:
-
- Spencer W. Thomas,
- "Dispersive refraction in ray tracing",
- The Visual Computer (1986) Vol.2, pp.3-8
-
- Yokoi, Kurashige, and Toriwaki,
- "Rendering gems with asterism and chatoyancy",
- The Visual Computer (1986) Vol.2, pp.307-312
-
- Yuan, Kunii, Inamoto, and Sun,
- "GemstoneFire: adaptive dispersive ray tracing of polyhedrons",
- The Visual Computer (1988) Vol.4, pp.259-270
-
- "The Visual Computer" is published by Springer-Verlag.
- _______________________________________________________________________
-
- ...Ron Capelli IBM Corp. Dept. C13, Bldg. 703-2
- capelli@vnet.ibm.com PO Box 950
- (914) 435-1673 Poughkeepsie, NY 12602
-
- "Cold hearted orb, rules the night; removes the colors from our sight.
- Red is Grey, and Yellow White. But we decide which is right.
- And which is an illusion?" -- Moody Blues
-