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svoUtah.readme
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1997-09-05
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Short: SvoUtahRLE V4.6 for superview.library
Author: Andreas_Kleinert@t-online.de
Uploader: Andreas_Kleinert@t-online.de
Type: gfx/show
UtahRLE.svobject
written and (in parts) © 1995-97 by Andreas R. Kleinert.
FREEWARE. All rights reserved.
Requirements
~~~~~~~~~~~~
- OS V2.04+ (V37)+ and its libraries
- 68020+
- superview.library V17+
- superviewsupport.library V10+
- mathffp.library V33+
Description
~~~~~~~~~~~
UtahRLE.svobject is an external Library-Module for
superview.library.
It needs any SVDriver with 24 Bit ChunkyPixel-Support.
It supports reading and writing of UtahRLE (RayTracer) Files.
In detail these are :
Reading :
- Utah RLE 24 Bit
Writing :
- Utah RLE 24 Bit
Remarks
~~~~~~~
- only 24 Bit sources will be written as Utah RLE
There's no conversion done from e.g. 256 Colors to 24 Bit
to perform the requirements of this file format.
- while writing Utah RLE 24 Bit files, the machine will
"deadlock" for a short time, which looks like it has been
crashed silently, but it will be back soon.
DON'T RESET, since this might affect your harddisk, as usual.
- don't know, whether the Utah URT routines are re-entrant
and might be used by more than one program at the same time
Legal Issues
~~~~~~~~~~~~
This program is FREEWARE.
The author does not claim any copyrights on the code, which is
used to read and write the UtahRLE-file (see credits)
Copyright is only claimed for the program as a whole, which means
that some parts of the library module, which are also used within
other SVObjects, are copyrighted by the author.
Credits
~~~~~~~
This program uses the "rle.lib" which contains routines from
THE UTAH RASTER TOOLKIT
These routines have in this case been taken from a distribution of
the RayShade Raytracer (4.0.6.3) and have been recompiled for
68030 systems under use of SAS/C V6.57.
Due to the distribution conditions of the URT kit I felt it would
be most appropriate to include the full source code of this
SVObject as well as those parts of the URT kit, which have been
used. Only some additional example programs, which had been added
by the authors of the Rayshade Raytracer are actually missing
(I don't know, whether there are more sources available).
For more information please refer to "blurb.urt" and the single
sourcecode files (blurb.urt tell where you can obtain these from).
Some words to the implementation:
To find out, how to implement the URT support itself I consulted
the sourcecodes which have been supplied with the RayShade Raytracer,
the FBM package and the JFIF-JPEG routines.
No source codes from there have been needed, but these really
helped a lot in finding out, how it actually works.
Copyrights
~~~~~~~~~~
Some of the mentioned names or products above are be copyrighted by
companies or trademarks of companies.
============================= Archive contents =============================
Original Packed Ratio Date Time Name
-------- ------- ----- --------- -------- -------------
7019 3166 54.8% 24-Jun-97 14:16:42 +blurb.urt
1355 665 50.9% 14-Apr-95 13:42:22 +Distribution.doc
1754 843 51.9% 14-Apr-95 13:32:54 +Distribution.doc.info
579 293 49.3% 16-Jul-95 16:24:36 +Install_UtahRLE.script
728 436 40.1% 14-Apr-95 13:32:54 +Install_UtahRLE.script.info
24392 14371 41.0% 16-Aug-97 14:40:08 +UtahRLE.svobject
3124 1511 51.6% 16-Aug-97 14:42:30 +UtahRLE.doc
1754 845 51.8% 14-Apr-95 13:32:56 +UtahRLE.doc.info
-------- ------- ----- --------- --------
40705 22130 45.6% 19-Aug-97 01:02:24 8 files