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-
- General
- -------
- This raytracer was ported to the Archimedes by John Kortink on 31 Aug 1991.
-
- It was compiled with Acorn C release 3, with very little effort (only a new
- makefile, adapted config.c/h files, and some minor changes to dkbproto.h). A
- large part of the credit for this should go to the author(s), who made this
- program so excellently portable.
-
- It is a very straightforward port, with no fancy additions. I have implemented
- simple display routines which use the current mode and ColourTrans to translate
- RGB values to colours.
-
- Modules that should be present before running dkbtrace are :
- - the Shared C Library
- - the Floating Point Emulator
- - ColourTrans
-
- This port behaves almost exactly like the IBM port. Refer to the manual in
- docs.DKB212 for further details.
-
- Example input files are in examples.dat, but read on, as some filename juggling
- is needed to make things work.
-
- Filename hassle
- ---------------
- There are file naming problems : A file of the form <pre>.<post>, e.g.
- TRACE.DEF, should appear as the file <post> in the directory <pre>, e.g. 'DEF'
- in a directory called 'TRACE', else it will not be found. I have already done
- this for the 'hard-wired' files Trace.def, Colors.dat, Shapes.dat and
- Textures.dat (the latter three are #included by a lot of example input files).
-
- Some example input files also use various other files, e.g. <file>.iff or gif,
- as image texture maps. I have put all of these in <post>.<pre> to make things a
- bit neater, but when they should be used, they should be put in the main
- directory as <pre>.<post>.
-
- Fortunately, for input and output files specified by the -i and -o switches, no
- extensions are assumed or necessary, though the default output file is DATA.TGA
- (for the default Targa output filetype), i.e. when -o is unspecified, a
- directory 'DATA' should exist, in which you will find 'TGA' after tracing.
- Needless to say that it is strongly recommended to always fully specify input
- *and* output filenames, without extensions. This will work OK.
-
- The end
- -------
- If there are any problems, or any other comments you wish to make, contact me
- by snail mail :
-
- John Kortink
- Middelhuisstr. 17
- 7482 EL Haaksbergen
- The Netherlands
-
- netmail : kortink@cs.utwente.nl (until december 1991)
-
- bbs : Acorn BBS (Netherlands)-05427-13062, or Huco BBS (Idem)-01804-30785
-
- Happy raytracing !
-
-