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yx1985321 2014-5-31 19:53
;这个程序是批量宗地编号程序,是从下至上,从右到左的,我想改成自上至下,从左到右。版主能帮我改一下吗?谢谢
(defun c:zdbh()
  (setq ss (ssget (list '(0 . "LWPOLYLINE"))))
  (setq n 0 k 1)
  (repeat (sslength ss)
    (setq na (ssname ss n))
    (setq po (Get_center_relative na))
    (command "text" "j" "mc" po 2.5 0 k "")
    (setq k (1+ k))
    (setq n (1+ n))
    )
  )
(defun Get_center_relative (ename /  Pts   2R Mk   Mkline  points   DelLine   Tssred
     i   lst  N  Newlst    DistList     R   Number  Tssbak TssSub  Pt)
    (setq Obj     (Vlax-Ename->Vla-Object ename)
   Tssbak  (Vlax-Get Obj 'Thickness )
   TssSub  (Vlax-Put Obj 'Thickness 0 ))
    (setq Pts     (GetBoundingBox ename)
   2R      (MJ:MIDPOINT (CAR Pts) (CADR Pts))
   Mk      (entmake (list (cons 0 "LINE")(cons 8 "JMDSS")(cons 10 (polar 2R 0.0 1000))(cons 11 (polar 2R 3.14159 1000))))
   Mkline  (entlast)
   points  (vlax-invoke (vlax-ename->vla-object ename) 'IntersectWith (vlax-ename->vla-object Mkline) acExtendOtherEntity)
   Tssred  (Vlax-Put Obj 'Thickness (eval Tssbak) )
   DelLine (entdel Mkline)
   i       0
   lst     nil
   )
  (repeat (/ (length points) 3)
       (setq lst (append lst (list (list (nth i points) (nth (1+ i) points) (nth (+ 2 i) points)))))
       (setq i (+ i 3))
  )
  (setq lst (px lst))
  (if (>= (length lst) 4)
      (progn
   (setq N      0
  Newlst nil)
   (repeat (/ (length lst) 2)
       (setq Newlst (append Newlst (list (list (nth N lst) (nth (1+ N) lst)))))
       (setq N (+ 2 N))
   )
   (setq DistList nil
         R        0)
   (repeat (length Newlst)
     (setq Number (nth R Newlst)
           DistList (append DistList  (list(distance (car Number) (cadr Number)))))
     (setq R (1+ R))
   )
   (setq  Pt (nth (vl-position (car (vl-sort DistList '>)) DistList) Newlst))
(MJ:MIDPOINT (car pt) (cadr pt));返回值
      )
      (MJ:MIDPOINT (car lst) (cadr lst));返回值
  )
)
(defun MJ:MIDPOINT (P1 P2)
  (mapcar '(lambda (X Y) (/ (+ X Y) 2.0)) P1 P2)
)
(defun GetBoundingBox (ent / ll ur)
    (vla-getboundingbox (vlax-ename->vla-object ent) 'll 'ur)
    (mapcar 'vlax-safearray->list (list ll ur))
)
(defun px (X)
    (vl-sort  X
             (function (lambda (e1 e2)
                         (< (car e1) (car e2)) ) ) )
)

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