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From: jrk@s1.sys.uea.ac.uk (Richard Kennaway CMP RA)
Newsgroups: comp.sys.mac
Subject: drawing diagrams
Message-ID: <427@s1.sys.uea.ac.uk>
Date: 7 Feb 89 12:25:17 GMT
Reply-To: jrk@s1.UUCP (Richard Kennaway)
Organization: University of East Anglia, Norwich
Lines: 37


Are there any Macintosh programs which will draw mathematical diagrams?
These are the sort of diagrams I mean (or as close as I can get with
typewriter graphics):

        A ---> B ---> C
        |      |      |
        |      |      |                   ------>
        v      v      v                  A       B -----> C
        D ---> E ---> F                   ------> \       |
                                                   \      |
                                                    \     v
                                                     ---> D
               p
                A,B
    [FA,B]  -------->  [A,GB]
          D                  C
       ^                 ^
       |                 |
--.Fa  |                 |  --.a
       |                 |
       |                 |

    [FA',B]  -------->  [A',GB]
           D   p               C
                A',B

I have seen MacEqn and Expressionist, which seem ideal for drawing
complicated integrals  and matrices, but they dont do the sort
of mathematics that I do.  At present, I use MacDraw, which leaves a lot
to be desired - arrowheads the size of icecream cones, no mixing of
styles and fonts in text items.  Ideally, I would like a program that will
let me drag a vertex of one of these diagrams, and drag along all the arrows
connected to it.
-- 
Richard Kennaway                SYS, University of East Anglia, Norwich, U.K.
uucp:	...mcvax!ukc!uea-sys!jrk	Janet:	kennaway@uk.ac.uea.sys