Le 14-12-06 08:25, Le_Forgeron a écrit :
> On 06/12/2014 14:05, Thomas de Groot wrote:
>> I don't know how to do this: I would like a torus filled with a pattern
>> similar to the spherical or cylindrical patterns, i.e. going from 1 (at
>> the small radius centre) to 0 (at the small radius boundary). Any idea?
>>
>> Thomas
>
> warp ? toroidal
>
> http://wiki.povray.org/content/Reference:Warp
>
>

Not what was asked.
This will wrap a pattern around a torus.

The question is about a pattern returning 1 at the major radius of a 
torus and dropping to zero at minor radius. Similar to spherical, 
cylindrical and planar.

Curently, there is no "toric" pattern. It can be done using a function 
as a pattern based on the torus equation.

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