Alain wrote:
> Tony nous apporta ses lumieres en ce 2005-01-28 02:16:
> 
>>
>> I'm new to POVray and so I've not played much with advanced textures 
>> on my own.   So I'm not sure how one would make the shadow of the 
>> shelter interact with the pattern of the sand.  Right now it doesn't 
>> and that gives the "flat" feeling IMHO.  Would a bump map help provide 
>> depth? or maybe darkening the shadows with a colormap?
>>
>> Tony
>>
>>
> If you want the shadows to follow the curve of the ground, the ground 
> need to actualy have some relief. When you use a normal, the surface 
> remains flat. You need to use an "isosurface" with the surface replaced 
> with an actual displacement of the surface.
> You need something like this sample:
> isosurface{function{y-F_turb3d[x/ScaleX,0,z/ScaleZ)*Amplitude}
> contained_by{box{<10,1,10>,<-10,-1,-10>}
> texture{Your_texture}
> }
> 
> Alain


Alain,

Thanks for the tip.  I have some images of my own that I'll use it on.  Someday 
I hope to understand it. :)

Tony

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