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- Path: sparky!uunet!usna!dfr
- From: dfr@usna.navy.mil (PROF D. Rogers (EAS FAC))
- Newsgroups: comp.graphics
- Subject: Re: Algorithm for Parabola.
- Message-ID: <2547@usna.NAVY.MIL>
- Date: 17 Dec 92 16:25:26 GMT
- References: <1992Dec16.013012.6459@lopez.marquette.MI.US>
- Sender: news@usna.NAVY.MIL
- Organization: U. S. Naval Academy
- Lines: 12
-
- In article <1992Dec16.013012.6459@lopez.marquette.MI.US> traal@lopez.marquette.MI.US (Brian Phillips) writes:
- !I'm looking for an equation to plot a parabola. I'd like to specify the
- !x-intercepts, and the height. I know the algebraic formula, but somehow
- !it's not converting to C very well. Or rather, I'm not converting it to
- !C very well. Anyone got a working one?
-
- Try Section 4-7 Parametric Representation of a Parabola p 223--227, 555
-
- in Mathematical Elements for Computer Graphics 2nd ed, Rogers &
- Adams, McGraw-Hill 1990
-
- dfr
-