On 06/12/2014 19:48, Alain wrote:
> 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.

one could start with a cylindrical pattern and warp it in place to have
the asked pattern.

-- 
IQ of crossposters with FU: 100 / (number of groups)
IQ of crossposters without FU: 100 / (1 + number of groups)
IQ of multiposters: 100 / ( (number of groups) * (number of groups))

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