Path: utzoo!utgpu!news-server.csri.toronto.edu!rpi!usc!wuarchive!bcm!dimacs.rutgers.edu!seismo!hal!stevem
From: stevem@hal.CSS.GOV (Steve Masters)
Newsgroups: comp.graphics
Subject: Re: Algorithm for contouring in polar coordinates?
Keywords: contouring polar coordinates
Message-ID: <542@hal.CSS.GOV>
Date: 18 Apr 91 20:41:04 GMT
References: <5218@network.ucsd.edu>
Distribution: comp
Organization: ENSCO Inc., Melbourne FL
Lines: 17

slamont@network.ucsd.edu (Steve Lamont) writes:

>I just had a student come in with an interesting request.  He wants to contour
>a dataset represented in terms of r and theta, in other words, in polar
>coordinates.  Has anyone an algorithm or a pointer to something appropriate in
>the literature?  I suppose I could hack something up if I needed to but I'd
>appreciate not having to reinvent the wheel.

The NCAR graphics subroutine package will contour data in polar coordinates
(or apply about any other transformation you can program).  The method
is not documented in the users' manuals, but you may be able to contact
them directly for information

Steve Masters   stevem@hal.CSS.GOV
ENSCO, Inc.
Melbourne, FL  32940
(407) 254 4122