huhuma 发表于 2005-11-6 19:24:00

请教，如何在CAD中判断图形是闭合的？如果编程，思路是什么呢

我是个初学者，请教！！

sieben 发表于 2005-11-7 15:57:00

<P>你应该先判断图形的类型,下列对象有Closed属性可以判断是否闭合</P>
<P><A href="mk:@MSITStore:C:\AutoCAD%202004\help\acadauto.chm::/idh_3dpoly_object.htm" target="_blank" >3DPolyline </A>, <A href="mk:@MSITStore:C:\AutoCAD%202004\help\acadauto.chm::/idh_lightweightpolyline_object.htm" target="_blank" >LightweightPolyline</A>, <A href="mk:@MSITStore:C:\AutoCAD%202004\help\acadauto.chm::/idh_polyline_object.htm" target="_blank" >Polyline</A>, <A href="mk:@MSITStore:C:\AutoCAD%202004\help\acadauto.chm::/idh_spline_object.htm" target="_blank" >Spline</A></P>
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