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1992-07-10
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GRel documentation -- Copyright 1991 Wright Engineering
GRel (Graphics Relative Compiler)
Introduction:
GRel processes GDRAW Vectored Graphics files and
converts them from absolute coordinates to Relative
coordinates; additionally, it optimizes the file format for
play only (Non-Modifiable) uses with stand alone players such
as GPlay, or for use over modem lines in conjunction with
the GTerm and GBBS graphics BBS environment. GRel takes a
single command line argument: the file name of the .vgX
file to process.
Usage: GRel input filename.ext
GRel will then begin to process the file and bring up
a status window that informs the user of the current state
of processing.
Once the file has been processed you will notice that
a second file now exists that consists of the same name but
with a slightly different extension.
Typing Grel without any arguments will cause GRel to
remind you of the usage and indicate its version number and
copyright notice.
Here's an example:
GRel flight.vga
This will cause GRel to process the file flight.vga
(Vectored Graphic in A mode) and will produce an output
file called flight.vra (Vectored Relative file). You will
notice that the .VR format file is considerably smaller
than the corresponding .VG file, but it contains the same
information.
NOTE: GRel only processes files that end with .vgX
extensions. DO NOT try to GRel an already GRel'ed file.
WHY GRel GDRAW files?
---------------------
There are several reasons:
1. Grel'ed files are MUCH SMALLER than their
corresponding GDRAW files, and since they contain the same
information they will play the same on GPLAY as the
corresponding .VG file would.
2. GREL'ED FILES CANNOT BE EDITED. Once you GRel a
GDRAW file the .vr file cannot be edited by GDRAW so your
work is protected from anyone stealing some or all of it
for their own purposes. No other graphics package in the
world allows protection for the artists that create quality
art and animation.
3. If you wish to prepare graphics for transmission on
a GBBS to a GTERM terminal package you must GRel the image.
GTERM DOES NOT UNDERSTAND GDRAW'S ABSOLUTE COMMANDS.
Video Hardware
--------------
Grel never attempts to show the graphics of the file
it is processing, so the type of video hardware does not
matter. If the file is in a mode that your hardware does
not support, you still cannot view the file with GPlay
unless you have the hardware necessary to support the
Screen mode in which the file was created.
FOR MORE INFORMATION
--------------------
If you wish to find out more about:
GDRAW - GFX vectored Graphics interpreter
GPLAY - Vectored Graphics player
GCHECK - Vectored Graphics file checker
GREL - Graphics Relative Compiler
GFONT - Graphic Font maker
GTERM - GFX terminal software
GBBS - GBBS (Graphics Bulletin Board System)
please contact the Wright Engineering HQ BBS
at 714-847-2548 14.4 HST and below
the board is open from 9 p.m. to 9 a.m. Pacific time
or you may write:
WRIGHT ENGINEERING
19744 BEACH BLVD.
SUITE # 309
HUNTINGTON BEACH, CA.
92648
This board is running WWIV BBS software until the
official release of GBBS which is currently under alpha
testing.