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POLYINT: fix comparison for different-length polygons

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hasufell 2014-10-28 18:51:11 +01:00
parent d81b6b1cec
commit 61e0063d78
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1 changed files with 1 additions and 1 deletions
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2
Algorithms/PolygonIntersection/Core.hs
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@ -83,7 +83,7 @@ sortLexPolys (pA'@(_:_), pB'@(_:_)) =
-- current point of polygon B, so insert it into the resulting
-- queue and traverse the rest.
| ptCmpY (fromMaybe negInfPT (id' <$> Q.first pA))
(fromMaybe posInfPT (id' <$> Q.first pB)) == GT
(fromMaybe negInfPT (id' <$> Q.first pB)) == GT
= Q.pushFront (go (maybeShift . snd . Q.popFront $ pA) pB)
(fromJust . Q.first $ pA)
-- Same as above, except that the current point of polygon B