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From: usenet@cps3xx.UUCP (Usenet file owner)
Newsgroups: comp.graphics,sci.math
Subject: Re: a torus is almost a quadric
Message-ID: <1153@cps3xx.UUCP>
Date: 22 Nov 88 12:30:46 GMT
References: <149@calmasd.GE.COM> <17855@glacier.STANFORD.EDU>
Reply-To: flynn@pixel.cps.msu.edu (Patrick J. Flynn)
Organization: Pattern Rec. & Img. Proc. Lab, CS, Mich. State Univ.
Lines: 29

In article <17855@glacier.STANFORD.EDU> jbn@glacier.UUCP (John B. Nagle) writes:
>In article <149@calmasd.GE.COM> pjm@calmasd.UUCP (Pierre Malraison) writes:
>>Levin's work on quadrics provides nice ways of getting
>>exact solutions for q-q intersection curves in terms
>>of square roots of lowish degree polynomials.
>
>     Reference, please. 
>

1. Levin, J., ``Mathematical Methods for Determining the Intersections of
Quadric Surfaces'', CGIP 11, pp. 73-87, 1979.

-- also --

2. Sarraga, R., ``Algebraic Methods for Intersections of Quadric Surfaces in
GMSOLID'', CVGIP 22, pp. 222-238, 1983.

-- and maybe --

3. Farouki, R., ``The Characterization of Parametric Surface Sections'', 
CVGIP 33, pp. 209-236, 1986.

4. Koparkar, P. and S. Mudur, ``Computational Techniques for Processing
Parametric Surfaces'', CVGIP 28, 303-322.

--
Patrick Flynn, Dept. of Computer Science, Michigan State University
flynn@cpsvax.cps.msu.edu flynn@eecae.UUCP FLYNN@MSUEGR.BITNET
"First we break 'em in half.... then we mash 'em to a pulp."