请教斜切图问题？

cai780506

大量图幅要切割，但只用CAD剪切命令显然工作量太大。extrim后还得用用别的命令，一直想编一个能通过画斜矩形框，从而把框外的图形剪切干净。望高手赐教

小雨点儿

试试这个：

http://www.mjtd.com/bbs/Archive_view.asp?boardID=3&ID=25388

cai780506

谢谢！

cai780506

<TABLE class=tablebody2 style="TABLE-LAYOUT: fixed; WORD-BREAK: break-all" width="90%" border=0>
<TBODY>
<TR>
<TD style="FONT-SIZE: 9pt; LINE-HEIGHT: 12pt" width="100%">高手，这个lisp程序只能切正矩形里面的的图形，我想要一个能通过画斜矩形框，从而把框外的图形剪切干净。望高手赐教</TD></TR></TBODY></TABLE>

cai780506

我有一个切正矩形的程请高手帮我改一下，改成选一任意矩形切图程序

(defun c:wSave(/ pzx pys p1 p2 p3 p4 s s1)
  (setq pzx (getpoint "\n选择左下角点(用鼠标直接点取或在命令行输入<x,y>):"))
  (setq pys (getpoint "\n选择右上角点(用鼠标直接点取或在命令行输入<x,y>):"))
  (setq p1 (list (- (car pzx) 0.01) (- (cadr pzx) 0.01)))
  (setq p2 (list (+ (car pys) 0.01) (- (cadr pzx) 0.01)))
  (setq p3 (list (+ (car pys) 0.01) (+ (cadr pys) 0.01)))
  (setq p4 (list (- (car pzx) 0.01) (+ (cadr pys) 0.01)))
  (command "rectang" pzx pys)
  (setq s (ssget "L"))
  (command "trim" s "" "F" p1 p2 "" "F" p2 p3 "" "F" p3 p4 "" "F" p4 p1 "" "")
  (command "erase" s "")
  (setq s1 (ssget "WP" (list p1 p2 p3 p4 p1)))
  (rder s1)
  (setq s nil s1 nil)
  (setvar "FILEDIA" 0)
  (command "SaveAs" "" "d:\\test" "close" "n")
  (setvar "FILEDIA" 1)
  (princ)
);end wSave
  (defun rder(s1 / s2 ent s3 n)
     (setq s2 (ssget "X"))
     (if (not s1) (command "erase" s2 "")
       (progn
  (setq s3 (ssadd) n 0)
  (repeat (sslength s2)
  (setq ent (ssname s2 n))
  (if (not (ssmemb ent s1))
    (ssadd ent s3)
  )
    (setq n (1+ n))
  ) 
    (command "erase" s3 "" "redraw")
  )
       )
   );end rder