> Halfway between pictures and announcement, since we'll have both.
> 
> Here is a picture made using a grass dropping software I wrote this 
> summer. The rest of the picture is the result of Marc Jacquier's skills
.
> 
> This software was written in Java for portability, takes a greyscale 
> height_field image as input, and outputs a POV-Ray 3.5 include file. It
 
> features the following:
> - important memory savings compared with usual loop algorithms, using a
n 
> extension to Gilles Tran's mgrass macros "patch" principle and a 
> "dictionary"-style packing algorithm
> - easy slope filtering to remove grass in steepest areas
> - optional mask to allow or prevent grass growth on special locations 
> like roads or ponds
> - choice between simple but ugly, and nice, curved blades
> - optional gathering of blades into tufts
> - mesh2 export
> - individual uv-mapping of blades

Looks nice but using an external program excluses placing the grass on 
isosurfaces :-(.  I understand though that your sophisticated memory 
saving placement would probably be very slow in SDL.

Christoph

-- 
POV-Ray tutorials, include files, Sim-POV,
HCR-Edit and more: http://www.tu-bs.de/~y0013390/
Last updated 17 Jun. 2003 _____./\/^>_*_<^\/\.______

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