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Article #1566

Plotting Algorithms and/or Programs

#1566
From: Harry Sharp
Date: Mon, 20 Oct 1986 02:57
39 lines
2425 bytes
[ Line Eaters of the world, unite! ]

    I am in need of plotting programs or algorithms. I am working for
two professors, both of whom, coincidentally, want plotting programs
for MS-DOS micros. The punch line is : they want them in two different
languages - Pascal and C. :-(
    I run into problems when I try to map the data points to the screen.
The data for the plots is from files, and the range of the data is either
unknown or huge (eg. -13000.0 - 0.0). I can do the user interface part
fairly easily, but I'm not real good when it comes to mapping through
mathematical formulae. (OK, so I'm a info systems person! Forgive me
please! :-)).
    One of the machines I am using is a Sperry IT (SPIT) with an EGA
board in it. As you might guess, we are having to write our own routines 
to use the board. I would be nice if it was otherwise, but..... The other
machine is an IBM PC. 
    The programs need to make regular XY quadrant I plots, and also plots
with the X axis centered in the Y axis.
    I would appreciate it greatly if anybody who has a plotting program
or algorithm, or just advice, would send them down this way. If I can
do anything in exchange, deals can be arranged.

    Many thanks in advance.

              Harry Sharp

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From: sharp@usceast.UUCP (Harry Sharp)
Newsgroups: net.graphics,net.sources
Subject: Plotting Algorithms and/or Programs
Message-ID: <2277@usceast.UUCP>
Date: Sun, 19-Oct-86 22:57:01 EDT
Article-I.D.: usceast.2277
Posted: Sun Oct 19 22:57:01 1986
Date-Received: Wed, 22-Oct-86 22:34:55 EDT
Reply-To: sharp@usceast.UUCP (Harry Sharp)
Distribution: net
Organization: Csci Dept, U of S. Carolina, Columbia
Lines: 39
Keywords: plotting, EGA