Path: utzoo!utgpu!jarvis.csri.toronto.edu!mailrus!tut.cis.ohio-state.edu!ukma!psuvm.bitnet!cunyvm!nyser!cmx!top.cis.syr.edu!gefuchs From: gefuchs@top.cis.syr.edu (Gill E. Fuchs) Newsgroups: comp.graphics Subject: Definition of different types of light sources Message-ID: <1070@cmx.npac.syr.edu> Date: 1 Feb 89 19:40:00 GMT Sender: usenet@cmx.npac.syr.edu Reply-To: gefuchs@top.cis.syr.edu (Gill E. Fuchs) Organization: CIS Dept., Syracuse University Lines: 12 I would like to know the exact definition of Distant, point, linear and directional light sources when using raytracing. Any algorthims for implementing these is well come too :-) ... And so is any pointers to references dealing with the above. Could somebody also please tell me, how spot-light effects are created using any of the above lighting types. Thank you, Vahid Koussari gefuchs@top.cis.syr.edu