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 an 
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

This free software (GPL) and its documentation are here:
http://www.wozzeck.net/images/hfcomp/gazon-en.html

Enjoy!

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