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618.READ.ME
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1992-02-06
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OVERVIEW
--------
o RayShade 4.0 patchlevel 2 for MS-DOS
o Needs 386 w/ 387 or 486 (32bit CPU).
o Needs VCPI memory manager or DOS memory (NO HIMEM.SYS)
o Output MTV files
o Does not support Utah RLE, yet.
DETAIL
------
Well, here it is version 2 of the ms-dos port of rayshade 4.0
patchlevel 2. It had a problem with redirecting the output to a file
in MS-DOS. It looks like MS-DOS helps you out by adding a carriage
return for every line feed. This really screws up the output of binary
files.
Anyhow, here's some information on what you need to get this thing
working. First thing you need a either 80386 (with a 80387) or 80486. This
will only work on 32-bit machines (it uses djgcc's port of GNU C). It also
needs either no memory manager (no himem.sys) or a VCPI compatable memory
manager (such as QEMM or 386MAX). Himem.sys does not work with this program,
in fact it will not run with it at all (it will say that the processor must
be in real mode).
To run the program you have to have the program GO32.EXE in the
path somewhere. This program is part of the DJGCC GNU C port. This is
used to load the program.
This version of the rayshade program will only output MTV files. I
have not yet tried to compile the Utah RLE toolkit into it. I will be working
on that next. I have included a crude conversion program that will convert
MTV files to Targa files. I suggest that you look into getting a copy of
Image Alchemy (available on wustl.wuarchive.edu 128.252.135.4, simtel
or oak.oakland.edu as alchemy15.zip). This program will allow you to view
the files or convert to a lot of other graphics formats. Alchemy will also
let you compress the images using JPEG, which will convert a 1 meg image to
something like 20-30k. Alchemy will also view images using hi-color or sierra
vga boards (for 32000 colors). I also use a program call CSHOW to view images,
CSHOW will view Targa images. The public JPEG code also works with the targa
file format. This program is available from ftp.uu.net in /graphics/jpeg. I
do not support any of these programs I just know they worked when I tried them.
The source code is available, I just have not had time to upload it.
If anybody really needs it bad I will upload it, otherwise I'll wait until
I get the RLE stuff working. BTW, to compile this you need DJGCC GNU C
version 1 patchlevel 5. This requires about 5.6 meg of disk space.
This port was based on the work done by Tom Hite. He provided makefiles
and conversion of the filenames to MS-DOS's 8.3 format. I changed the
redirection to output an error message and made all of the file input / output
use binary files (to prevent the skewing of images).
I'd like to thank Stephen Peter (85B0022@csdvax.csd.unsw.edu.au) for
helping discover and debug the redirection error.
Newest version of these files should be available from
WEEDEATER.MATH.YALE.EDU.
eric w. ziegenfus
ziegenfE@moravian.edu
...!rutgers!lafcol!batman!ziegenfE