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我想运行下面这个函数后得到自定义的返回值,不知道怎样改程序,即这样:(setq ints (lzy_ints ss1));ss1为已求得的选择集。
现在用(setq ints (lzy_ints ss1))得不到返回值,而还是返回在pts变量中。
(defun LZY_ints (SS / SSL ;length of SS
; PTS ;returning list
AOBJ1 ;Object 1
AOBJ2 ;Object 2
N1 ;Loop counter
N2 ;Loop counter
IPTS ;intersects
A N NN HOLDOSMODE
)
(vl-load-com)
(setq pts nil)
(setq N1 0 ;index for outer loop
SSL (sslength SS)
) ; Outer loop, first through second to last
(while (< N1 (1- SSL)) ; Get object 1, convert to VLA object type
(setq AOBJ1 (ssname SS N1)
AOBJ1 (vlax-ename->vla-object AOBJ1)
N2 (1+ N1)
) ;index for inner loop
;;; Inner loop, go through remaining objects
(while (< N2 SSL) ; Get object 2, convert to VLA object
(setq AOBJ2 (ssname SS N2)
AOBJ2 (vlax-ename->vla-object AOBJ2)
;;;Find intersections of Objects
IPTS (vla-intersectwith
AOBJ1
AOBJ2
0
) ; variant result
IPTS (vlax-variant-value IPTS)
)
;;;Variant array has values?
(if (> (vlax-safearray-get-u-bound IPTS 1) 0)
(progn ;array holds values, convert it
(setq IPTS ;to a list.
(vlax-safearray->list IPTS)
)
;;;Loop through list constructing points
(while (> (length IPTS) 0)
(setq PTS (cons (list (car IPTS)
(cadr IPTS)
(caddr IPTS)
)
PTS
)
IPTS (cdddr IPTS)
)
)
)
)
(setq N2 (1+ N2))
) ;inner loop end
(setq N1 (1+ N1))
) ;outer loop end
);end defun |
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