圆圈图形
A method is proposed to search for a suitable blank area in a graph of closed boundary by detecting if a circle is in touch with the closed boundary.
提出一种在封闭图形内,利用检测圆与封闭图形边界是否触碰的方法(简称圆形法),寻找适合的空白区域,适用于在已知图形上填写字符,确定新图形的位置。
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