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Gnuplot 3.5 for OS/2 v 2.x
==========================
0 Contents of archive
=====================
This archive contains:
gnuplot.exe -- Gnuplot exe file
gnuplot.gih -- Gnuplot help file (derived from manual)
gnuplot.inf -- Gnuplot manual in OS/2 inf format
gnuplot.ico -- An icon for Gnuplot
gnupmdrv.exe -- PM display driver for Gnuplot
gnupmdrv.hlp -- Help file for gnupmdrv.exe
emx.dll -- DLL required for running gnuplot.exe
0README -- Gnuplot readme file
0BUGS -- Known bugs in Gnuplot
0FAQ -- Gnuplot faq
README.OS2 -- OS/2 specifics
INSTALL.OS2 -- Install hints
Copyrigh -- Gnuplot copyright notice.
docs\* -- LaTex file of Gnuplot manual
emx.dll is Copyright (c) 1990-1992 Eberhard Mattes
If you are installing this over Gnuplot 3.2, note that the primary exe file
is now gnuplot.exe.
1) Introduction
===============
This file discusses the version of Gnuplot 3.5 implemented for OS/2 2.x.
Version 3.5 is a minor revision fixing some bugs in 3.4.
In the PM driver, some printing bugs have been fixed. Plotting
should also be a bit quicker (plotting now starts when commands
are received from gnuplot, rather than when the command list has been
built).
The command line interface of Gnuplot is retained, while graphics output is
plotted in a Presentation Manager Window. The Gnuplot command line
appears in another text-mode window on the screen.
The PM window has facilities for printing the plot on the default printer,
for changing the fonts used on the plot, and for switching between different
ways of plotting the lines (with colour, as dot/dashed lines, or both).
The command line window offers the usual Gnuplot interface. Both Unix-style
and DOS-style editing keys are supported.
The Gnuplot program was compiled with the emx version of the GNU compiler.
It supports the shell command (type 'exit' to return to Gnuplot), can pipe
datafiles through external commands using '<', and supports command-line
substitution. It runs the full set of demonstration programs supplied in
the Gnuplot source code distribution without problems.
2) Running Gnuplot
==================
Gnuplot can be run from the command line of an OS/2 session (preferrably
a windowed command session, so that the command line and the displayed
graph can be viewed at the same time), or can be set up as a program object
in the WPS.
Gnuplot starts up as a command line session which accepts the usual
Gnuplot input. The Presentation Manager window for graphics display
is only opened when the first 'plot' or 'splot' command is entered.
If Gnuplot is set up as a program object, it can be configured for
'drag and drop' in the usual way, by specifying '%*' as the program
parameter.
The PM window has facilities for printing the plot, for changing
the fonts used in the plot, and so on. These of course are handled
through the usual PM interface.
In addition, you can 'drop' a font onto the window to change the font.
The usual Gnuplot commands can also be used to produce output on
supported devices.
Settings and the positions and sizes of the windows can be saved in
the file gnupmdrv.ini. This file is saved in the program's working
directory; several different directories can be set up (as program
objects) with different options, if you wish.
Gnuplot can be run with the PM display window maximised: clicking on
the 'Gnuplot' menu item (or pressing 'ESC') will bring the Gnuplot
window to the foreground; it will disappear again when plotting begins.
Gnuplot itself communicates with the PM display window (which is a
separate program) through a named pipe. Plotting commands are sent to
the PM window which produces the plot when all commands have been received.
3) gnupmdrv.exe
===============
Gnupmdrv.exe is the 'outboard' driver for Gnuplot. It is a multithreaded
PM program.
4) Problems, etc.
=================
Gnuplot.inf has been generated by a translation program and may contain
many inconsistencies.
The 'Thick line' option may not be available with all screen drivers.
It doesn't seem to be supported by the et4000 1024x768 driver that
I use, for instance.
Roger Fearick
fearick@physci.uct.ac.za
17 October 1993