"Jim Charter" <jrc### [at] msncom> wrote in message 
news:42db2482$1@news.povray.org...
> Bob Hughes wrote:
>>
>> match the surface normal using trace in some way. Something to think 
>> about
>
> You also have normal data from the original mesh too? Either natively or 
> as cross products of the verts? Though a shotgun trace would probably be 
> easier.  Then again maybe use a few normals from the mesh as seeds then 
> cluster some traces around them?  It also occurred to me that using local 
> clusters  you could avoid the Venn Diagram looking situations by somehow 
> creating nested patterns instead of averaged...maybe by writing to an 
> include file?

You lost me, Jim, you'd know more about meshes than I would. Triangle meshes 
aren't something I ever got into, beyond rendering some anyway. I just 
thought trace would see the normals on them like it does with other objects.

Bob

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