Am 20.08.2017 um 00:51 schrieb Kenneth:
...
> Bald Eagle wrote:
>> I did a wee bit more digging, and I found this from the megapov docs:
> 
>> "To determine if a point is inside a triangle mesh, POV-Ray shoots a ray
>> from the point in some arbitrary direction (the default is <1, 0, 0>)...
> 
> I actually didn't know (or remember?) that there was a *default* inside_vector.
> I should have re-read the docs; it has been awhile re: this topic.

Not sure where that quote is from, but if it ever was true, it has been
outdated for a long time.

Fact is, in current versions of POV-Ray the default value for the
`inside_vector` parameter is the null vector (`<0,0,0>`), which is used
as a special value to turn off that feature.

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