---------------------- README.TXT for TREES.ZIP -----------------------------

	Dick LeVitt, CIS 72616,2066
	1/29/94

TREES.ZIP contains files for rendering realistic ficus-like trees in 
POV-Ray 2.0.  The tree object (MYTREE.INC) was created with Lj Lapre's 
L-System Parser/Mutator, available on CompuServe's GRAPHDEV forum.

L-Systems are "an algorithmic approach to the description, analysis, and
developmental simulation of multicellular organisms" originated by Aristid
Lindenmayer, a theoretical biologist.  For more information, see 
Lindenmeyer and Prusinkiewicz' article in "Artificial Life," edited by 
Christopher G. Langton (Addison Wesley, 1989); or see "The Algorithmic
Beauty of Plants," by Prusinkiewicz and Lindenmeyer.

In addition to this README file, TREES.ZIP contains:

   TREES.POV       example scene and textures
   MYTREE.INC      the MyTree object
   BARKTEX.GIF     bark texture bump_map
   MYTREE01.LS     a script for generating a lush, small-leaved tree
   MYTREE03.LS     a script for the tree in MYTREE.INC

Note:  if you generate your own *.inc files with L-Parser, you may need to
enter texture references by string search-and-replace.  The L-Parser output
creates pigment{} and finish{} statements for each sub-object, rather 
than texture{}.  MYTREE.INC has been hand modified for the textures in 
TREES.POV. 

Thanks to Lj Lapre for LPARSER and for TREE05.LS on which MYTREE*.LS is 
based.   
 
-- Dick