Geomview For Windows?
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[glassner at parc.xerox.com: Re: polygon smoothing]
From: Andrew Glassner <glassner at parc.xerox.com> To: mbp at geom Subject: Re: polygon smoothing Date: Thu, 13 May 1993 11:00:22 PDT Mark: Done. It's called smooth.tar.Z. The archive contains: driver.c A little driver to make a quad file and show how to use the package gsmooth.c The smoothing package gsmooth.h The header (clients need this) smoothquads.c The client for smoothing .quad files Makefile Makes 'smoothquads' and 'driver' normals.tex The latex source for a Graphics Gems description of this package normals.bib The bibtex bibliography I'm including the Gems description to give you an idea for what's going on; I haven't polished it yet, so please don't distribute it. I'll be sending this to Paul Heckbert (editor of Gems IV), but it's up to him to accept it or not. I wrote this because I'm always shipping polygon files over to geomview, and then wishing I could view them smooth-shaded. Ideally, I'd like to have a pop-up panel with a button titled "Make Vertex Normals" that I could just click and get vertex normals. It would have an on/off button for edge preservation, and text (number) fields for the edge preservation threshold and fuzz percentage. Since I didn't know how to do that, I wrote this standalone package that does the same things on a .quad file. Note that I've added a fuzz threshold option to smoothquads beyond the help message I sent you yesterday. It used to be a #define, but I thought a dynamic computation would be more robust in a general setting. Let me know if there's anything I can do to make this more attractive to you; I'd love to see it inside geomview! -Andrew
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