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XGRAPH-11 plotting program
Written by David Harrison (1989)
Modified by Isaac Wong,
Peter D. Gilbert (1999,2000),
Radford M. Neal (2000),
John Huddleston (2000)
Packaged by Radford M. Neal (radford@cs.toronto.edu), 2000-09-10.
Available from http://www.cs.toronto.edu/~radford/xgraph.html
This is the source for the "xgraph" plotting utility for X11, written
by David Harrison. Even though this program is rather old by now, I
find it very useful, and know of no good substitute. It is now rather
hard to find the source for this program, however. I am therefore
distributing it myself, as permitted by the copyright notice, which
is as follows (from copyright.h):
David Harrison
University of California, Berkeley
1989
Copyright (c) 1988, 1989, Regents of the University of California.
All rights reserved.
Use and copying of this software and preparation of derivative works
based upon this software are permitted. However, any distribution of
this software or derivative works must include the above copyright
notice.
This software is made available AS IS, and neither the Electronics
Research Laboratory or the University of California make any
warranty about the software, its performance or its conformity to
any specification.
I got this source primarily by following the following index entry at
http://www.yggdrasil.com/bible/LSM/lsm1076.html, though the link from
there seems no longer to work:
xgraph
Version:
11.3.2 December 1989
Description:
2D Function plotter for X11 with hardcopy output and idraw insert support.
Includes binary, patches and source.
Keywords:
graph plot X11
Author:
davidh@ic.Berkeley.EDU (davidh@ic.Berkeley.EDU (author), wongi@netcom.com
(Linux port))
Maintained-by:
davidh@ic.Berkeley.EDU
Primary-site:
tsx-11.mit.edu /pub/linux/sources/usr.bin 219441 xgraph.tar.Z
Copying-policy:
Copyright by author, freely redistributable with attribution
Contents :
README.linux this file
xgraph.orig.tar the original xgraph tar file
xgraph.patch patch file
xgraph Linux binary
I have also incorporated some improvements made by Peter D Gilbert of
Compaq (Peter.Gilbert@compaq.com). Namely:
1. If given, use the filename (instead of the executable name)
in the title bar.
2. Use more digits as necessary to distinguish grid lines when
zooming in.
3. Fix a bug in the handling of single points.
4. Get rid of the message "unknown event: 12".
5. Web-safe colours (see below).
I also cleaned up the source a bit myself, and changed the program so
that it will pay attention to the =WxH+X+Y geometry specification (as
documented previously, but not implemented). I also made secondary
windows appear slightly offset from the primary window, and made the
default title be blank. John Harrison made some slight mods to get
it to work with Cygwin.
Finally, there are now four options for what the default colors should
be. I prefer ones that are less garish than the originals, and this
is what you'll get if you don't do anything to change the default.
Peter D Gilbert prefers more garish ones, and has also investigated
making colors "web-safe" - ie, set so as to co-exist with netscape,
which tends to hog colors, making using colors that it uses desirable.
To select the default you prefer, follow the directions for changing
the definition of USE_NEW_COLORS near the front of xgraph.c.
I'm not an expert on X-windows program installation, but it appears
that the easiest way to install the program is as follows:
xmkmf
make
cp xgraph <wherever-you-want-it>
cp xgraph.man <wherever-it-goes>
Note that there may be some warnings relating to incompatible pointer
types. These should not result in problems on machines where all
pointers are the same size as an int.
Three original README files that still seem relevant are present in
the main directory. Two old README files that seem to no longer be
relevant are in the old-readme-files directory.
The main documentation is the man page, in xgraph.man. A version
converted to text (for those allergic to nroff) is in xgraph.man.text.
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