Path: utzoo!utgpu!news-server.csri.toronto.edu!rutgers!cs.utexas.edu!yale!cs.yale.edu!musgrave-forest From: musgrave-forest@cs.yale.edu (F. Ken Musgrave) Newsgroups: comp.graphics Subject: Re: Granite Message-ID: <27381@cs.yale.edu> Date: 24 Nov 90 12:56:43 GMT References: <2560@gould.doc.ic.ac.uk> Sender: news@cs.yale.edu Organization: Yale University Computer Science Dept., New Haven, CT 06520-2158 Lines: 13 Nntp-Posting-Host: systemsy-gw.cs.yale.edu Originator: musgrave@bugs.CS.Yale.Edu If you scale down the noise() function so that the bumps are small, and interpret it's output as intensity it looks rather like granite and is a lot more flexible than a bitmap (though it requires a lot of computation). See Perlin's "An Image Synthesizer" in SIGGRAPH '85 for an example of what it looks like. Ken -- The Fundamental Dilemma of Existentialism: Eschew obfuscation. Ignore alien orders.