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1990-05-16
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A few notes on the current version of FTGRAPH:
1. Begin by reading the README.TXT file. This file explains how
to set up the program, and specifies the minimum IBM PC or
compatible configuration for using the program. In addition,
README.TXT explains the format that is required for data files
that are used by FTGRAPH.
2. You MUST install ANSI.SYS as a device on your computer in
order to use this program. README.TXT provides details.
3. If you are going to use a Microsoft (-compatible) mouse with
this program, you MUST install the MOUSE.SYS (that came with your
mouse) as a device on your computer before running this program.
You must also redefine the FTGRAPH.CNF value that activates or
inhibits mouse operation. By default, mouse operation is not
enabled. See README.TXT for details on FTGRAPH.CNF.
4. If you have a Hercules (-compatible) monitor, you MUST install
MSHERC.COM before running FTGRAPH. (You only need to install
MSHERC once after each system reboot). I have included MSHERC in
the distribution diskette. However, MSHERC.COM is a program from
Microsoft, not from me. I have verified from Microsoft that
MSHERC is freely distributable, however.
PROGRAM DOCUMENTATION
The complete source code for FTGRAPH and all the libraries
used in making it (except for the compiler libraries, of course),
is included on the distribution diskette. All code included was
written by me, and is copyright (c) 1989 by Eye Research
Institute, Boston, MA. You may use the program and read and
modify the code for your own, noncommercial purposes. However,
any commercial use of this code requires the express, written
consent of E.R.I.
The program documentation is not complete. The HPGL
plotting files and the screen graphing files are undocumented,
except for source code comments. The rest of the code has .TXT
files associated with it (e.g., MENU.TXT is the documentation for
MENU.C). In addition, the libraries have .LST files that
identify which .C files were used to create the library, and what
functions are in which .C file. In case you are not used to
reading these files, the librarian lists the functions with a
leading underscore instead of the trailing parentheses that
appear in the .C source files. That is, FOO() would appear in
the .LST file as _FOO.
The main() function is in FTGRAPH.C. FTGRAPH.C is a
particularly ragged bit of code. If you want to read code, you
will be less nauseated if you read any of the .C files that are
used in the libraries rather than the FTGRAPH front-end.
--Tom Clune