IfcPathHeadToTail

IfcPathHeadToTail

Function Semantic Definition

History
New Function in IFC Release 2.0

EXPRESS specification:

FUNCTION IfcPathHeadToTail

(APath : IfcPath) : LOGICAL;
   LOCAL
     N : INTEGER := 0;
     P : LOGICAL := UNKNOWN;
   END_LOCAL;
     N := SIZEOF (APath.EdgeList);
   REPEAT i := 2 TO N;
      P := P AND (APath.EdgeList[i-1].EdgeEnd :=:
                  APath.EdgeList[i].EdgeStart);
   END_REPEAT;
   RETURN (P);

END_FUNCTION;