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I continue this post because i have a problem: understand if a point is inside or outside a Koch curve.

I can find the third point of a equilateral triangle (and i need it for build a koch curve) but i have 2 solution: now i have to decide which one is the best (the one that is outside the koch curve)!

this figure explain better:

enter image description here

the little equilateral triangle in the red circles have the wrong direction.

Some ideas?

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    The downvoter of OP's question should have posted a reason, imho.2011-12-20

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