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Christopher James Huff wrote:
> In article <3f9edeb3$1@news.povray.org>,
> "Jim Kress" <pov### [at] kressworks com> wrote:
>
>> Would anyone provide to me some POV code for a crumbling wall? I
>> searched
>> the POV newsgroups and could not find any such code. All I could find
>> was
>> code for a brick wall. I have a solid wall so the brick code will not
>> work. It won't give me the jagged, crumbled edge characteristic of a
>> solid wall being broken (think cement wall).
>
> Intersect a box with a height field, or use an isosurface. The height
> field method can only easily do crumbling from the top, an isosurface
> can imitate crumbling in the sides as well.
I did some kind of test image for this method. I tried to imitate
http://graphics.stanford.EDU/papers/displace/gamma-corrected/
My image including povray source is on
http://mitglied.lycos.de/willhalm/tracegallery/
Happy tracing
Thomas
--
www := web
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