MultiPolygon::centroid()の実装(#1186) #1190
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Reputeless
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Jan 29, 2024
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Merged. Thank you! |
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#1186
MultiPolygon::centroid()を実装しました。
実装の際、変数名が思い浮かばず、長くなってしまいました……。
重心を求めるために$S, v$ をそれぞれ、各Polygonの面積、重心として以下の式で求めました。
$$\frac{S_0v_0+S_1v_1+\cdots +S_{N-1}v_{N-1}}{S_0+S_1+\cdots +S_{N-1}}$$