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发表于 2011-9-5 13:50:21
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显示全部楼层
总共没几行..直接贴贴得了...
- ;;*************************;;
- ;;CL.lsp:
- ;;Designed by pengliang ;;
- ;;2005.4.21;;
- ;;*************************;;
- (defun c:cl ()
- (setvar "cmdecho" 0)
- (setq os_old (getvar "osmode"))
- (setq cl_old (getvar "clayer"))
- (setvar "osmode" 0)
- (command "ucs" "")
- ;-----------------------------------------------------------------------------------------
- (if (not (tblsearch "layer" "cen"))
- (command "_.layer" "_new" "cen" "_color" "1" "cen" "_ltype" "center" "cen" "")
- (command "_.layer" "thaw" "cen" "on" "cen" "unlock" "cen" "")
- )
- ;------------------------------------------------------------------------------------------
- (setq a1 (entsel "\n请选定要画中心线的圆\\圆弧\\直线:"))
- (while (null a1)
- (setq a1 (entsel "\n请选定要画中心线的圆\\圆弧\\直线:"))
- )
- (setq a2 (entget (car a1)))
- (setq l1 (assoc 0 a2))
- (setq l2 (cdr l1))
- (while (and (/= l2 "LINE") (/= l2 "ARC") (/= l2 "CIRCLE"))
- (setq a1 (entsel "\n所选的不是圆\\圆弧\\直线:"))
- (while (null a1)
- (setq a1 (entsel "\n请选定要画中心线的圆\\圆弧\\直线:"))
- )
- (setq pt1 (cadr a1))
- (setq a2 (entget (car a1)))
- (setq l1 (assoc 0 a2))
- (setq l2 (cdr l1))
- )
- (if (or (= l2 "ARC") (= l2 "CIRCLE"))
- (progn
- (setq b1 (cdr (assoc 10 a2))) ;圆心座标
- (setq b2 (cdr (assoc 40 a2))) ;圆半径
- (setvar "clayer" "cen")
- (command "line" (list (- (car b1) (* b2 1.2)) (cadr b1)) (strcat "@" (rtos (* b2 2.4))
- "<0") "")
- (command "array" "l" "" "p" b1 "2" "90" "")
- )
- )
- (if (or (= l2 "LINE"))
- (progn
- (setq a3 (entsel "\n请选定另一直线:"))
- (while (null a3)
- (setq a3 (entsel "\n请选定另一直线:"))
- )
- (setq a4 (entget (car a3)))
- (setq end1 (cdr (assoc 10 a2)))
- (setq end2 (cdr (assoc 11 a2)))
- (setq end3 (cdr (assoc 10 a4)))
- (setq end4 (cdr (assoc 11 a4)))
- (setq e1 (distance end1 end3))
- (setq e2 (distance end1 end4))
- (if (< e1 e2)
- (progn
- (setq end5 (list (/ (+ (car end1) (car end3)) 2.0) (/ (+ (cadr end1) (cadr end3)) 2.0)))
- (setq end6 (list (/ (+ (car end2) (car end4)) 2.0) (/ (+ (cadr end2) (cadr end4)) 2.0)))
- )
- (progn
- (setq end5 (list (/ (+ (car end1) (car end4)) 2.0) (/ (+ (cadr end1) (cadr end4)) 2.0)))
- (setq end6 (list (/ (+ (car end2) (car end3)) 2.0) (/ (+ (cadr end2) (cadr end3)) 2.0)))
- )
- )
- (setq end5_1 (polar end5 (angle end6 end5) 10))
- (setq end6_1 (polar end6 (angle end5 end6) 10))
- (setvar "clayer" "cen")
- (command "line" end5_1 end6_1 "")
- )
- )
- (setvar "osmode" os_old)
- (setvar "clayer" cl_old)
- (princ)
- )
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