Mike Sobers nous apporta ses lumieres en ce 29/08/2006 11:45:
> Warp <war### [at] tagpovrayorg> wrote:
>> Thomas de Groot <t.d### [at] internlnet> wrote:
>>> Don't forget to make the cylinder hollow, otherwise you will get a warning,
>>> and other things may not work, like fog.
>>   How about making it 'inverse' instead?
>>
>> --
>>                                                           - Warp
> 
> Is 'inverse' better than 'hollow'?  Enlightenment, please.
> 
> 
> Mike
> 
> 
Better,no, different, yes. They serve different purpose, but in some cases are 
interchangeable.
Hollow make it possible to have media or fog to fill the object.
Inverse invert the interiorness of the object. What is inside the object is 
considered outside of it. It was originaly created to make intersections before 
the intersection was implemented. You'd do a difference of an object and the 
inverse of the other.
In a scene with fog or uncontained media, an hollow object and the rest of the 
scene will contain the media. The same scene but with inverse, the media/fog 
will only exist inside the object.

-- 
Alain
-------------------------------------------------
To the world you may be one person, but to one
person you may be the world.

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