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Yeah, I'm familiar with basic computer graphics. It's perfectly reasonable to adopt a convention about handedness as a way to distinguish inside from outside. B
by akkartik 8y ago
Yeah, I'm familiar with basic computer graphics. It's perfectly reasonable to adopt a convention about handedness as a way to distinguish inside from outside. But that's all it is. What seems real to me is the inside-outside distinction, not the handedness. When you make a loop, inside/outside doesn't change relative to the no-loop case. So it's not clear what a loop is. Is it just a convention for distinguishing between polygons that are otherwise identical? That would be fine, but it wasn't clear that that's what the author thinks.
- ithkuil 8y agoThe inside/out distinction is the whole point. The author of the article was indeed reasoning whether the antipolygon is the hole left from the cutout of the corresponding positive polygon or even the rest of the space outside of the cutout
- akkartik 8y agoAre you disagreeing with me? I'm not sure where, since I've said: "What seems real to me is the inside-outside distinction..." "...the analysis of [-2..2] is questionable." [So the rest of the negative number line swapping inside and outside is not questionable.]