Daniel Neilson wrote:
> 
>  See the web page listed above. I've updated it with a couple of timing
> results from Ingo's mesh maker macros.

But everything below 100000 triangles is not very useful.

> 
>  I've made a patch against the POV-Ray 3.50c sources available for those
> who're interested. You can grab them directly from
> http://www.cs.ualberta.ca/~dneilson/povray-3.50c-kdtree-patch.tgz

My first comments:

- while the kd-tree for the main scene objects is optional and can be 
turned on/off with options meshes seem always be using the kd-tree.
- in contrast to meshes blobs don't have the kd-tree bounding.
- it seems faster in a lot of scenes but i had problems with others 
(isocacti.pov for example does not render).
- your patch would be much better usable if you would not modify all 
source files (even if it's just the header).

Christoph

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