Am 21.10.2018 um 09:29 schrieb Thomas de Groot:
> On 6-10-2018 13:14, William F Pokorny wrote:
>> Aside 2: IIRC there is still a thread collision in the current
>> implementation (which Thomas, in 3.8 no longer needs to be "naked"
>> thanks to Christoph's updates) - 
> Hmmm... is that so? I am currently using an isosurface and the
> max_gradient warning only shows if the isosurface is "naked" i.e.
> without #declare.
> 
> Using v 3.8.0-xtokenizer.9844488+av609.msvc with Win7

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.

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