Am 23.10.2018 um 08:40 schrieb Thomas de Groot:
> On 22-10-2018 23:33, clipka wrote:
>> It doesn't matter whether you use `#declare` or not; what really matters
>> is whether there are actually rays shot at the isosurface during the 
>> render.
>>
>> So a `#declare`d isosurface that is never actually inserted into the
>> scene will never get a warning.
>>
> 
> @ clipka and Bill:
> 
> I am probably totally misunderstanding something, but I attach here a 
> simple scene of the Kluchikov Ring with a on/off switch between a 
> 'declared' and a 'non-declared' isosurface. The 'non-declared' one shows 
> a max_gradient warning at the end of the render; the 'declared' one does 
> not.

You are aware that the two isosurfaces are not identical? They differ in 
the max_gradient setting.

Not that it would make any difference though - I do get a warning for 
both of them.


Did you double-check that you're really seeing what you think you're seeing?

What version of POV-Ray are we talking about?

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