回复：re:怎样计算多边形的面积,如果只知道其边长

来源: swaptry 于 2004-11-02 13:17:14 [] [旧帖] [给我悄悄话] 阅读数 : (111 bytes)

I met this question before. go to google to search 'image process, area'. you can find the agrithem about it.

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