dos_isinsidecurve

检验一个点是否在闭合平面曲线内.

语法

(dos_isinsidecurve curve point)

参数

curve

闭合二维曲线.

point

用于测试的点.

返回

T 如果成功.

nil 失败时.

示例

Command: (setq ent (car (entsel "\nSelect closed curve:")))

<Entity name: 7ef8d048>

Command: (setq pt (getpoint "\nPick a test point:"))

(31.6951 25.9553 0.0)

Command: (dos_isinsidecurve ent pt)

T