Slime wrote:
> 
> [...]
> Now, if you can understand the explanation of how it's used, then it's clear
> how to choose it. But I agree that a statement such as "choose a point
> inside the mesh for inside_vector" would be appropriate for less
> mathematically inclined users, if such a statement isn't already in there.

But that's wrong, the inside_vector is defining the direction for making
the insideness test.  With well made meshes you can use *any* vector for
this purpose.

Christoph

-- 
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