IfcLoopHeadToTail
功能定义
如果对于输入边循环的边,每条边的结束顶点与其后续边的开始顶点相同,则此函数返回TRUE。
IFC2x2中的新功能
EXPRESS Specification
FUNCTION IfcLoopHeadToTail (ALoop : IfcEdgeLoop) : LOGICAL; LOCAL N : INTEGER; P : LOGICAL := TRUE; END_LOCAL; N := SIZEOF (ALoop.EdgeList); REPEAT i := 2 TO N; P := P AND (ALoop.EdgeList[i-1].EdgeEnd :=: ALoop.EdgeList[i].EdgeStart); END_REPEAT; RETURN (P); END_FUNCTION;
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标签:FUNCTION,END,ALoop,IfcLoopHeadToTail,EdgeList,TRUE From: https://www.cnblogs.com/herd/p/16990681.html