给一个局部放大程序供参考:
(defun c:FD (/ set1 set2 set3 set4 cpoint r p k n ep ss pt1 pt2 pt3 pt4 dh smw1 me me1 xb yb pp pn kk me2 me3 smw2 me4 me5 x1 y1 ) (prompt "\n请指定放大区域:\n") (setq set1 (getvar "osmode")) (setq set2 (getvar "orthomode")) (SETQ SET3 (GETVAR "BLIPMODE")) (SETQ SET4 (GETVAR "CMDECHO")) (SETVAR "BLIPMODE" 0) (setvar "osmode" 0) (setvar "orthomode" 0) (SETVAR "CMDECHO" 0) (command "circle" pause pause) (setq cpoint (cdr (assoc 10 (entget (entlast))))) (setq r (cdr (assoc 40 (entget (entlast))))) (setq pt1 (polar cpoint (/ pi 2) (+ 0.01 r))) (setq pt2 (polar pt1 (* pi 0.75) 10)) (setq pt3 (polar pt2 pi 8)) (setq pt4 (polar pt3 (* pi 0.25) 2)) (command "line" pt1 pt2 pt3 "") (setq dh (getstring "\n 请输入局部代号:")) (command "text" pt4 "4" "0" dh) (setq p (getpoint "\n 请指定放大图放置位置:")) (setq k (getreal "\n 请指定放大倍数:")) (command "copy" "cp") (setq n 0) (repeat 180 (command (polar cpoint (/ (* 2 n pi) 180) r)) (setq n (1+ n)) ) (command "" "" cpoint p) (setq n 0) (setvar "PICKBOX" 5) (command "ZOOM" "C" P (* 3 r)) (command "circle" p r) (setq ep (entlast)) (command "TRIM" EP "")(repeat 180(command (polar p (/ (* 2 n pi) 180) (* r 1.1)))(command "f" (polar p (/ (* 2 n pi) 180) (* r 1.1)))(setq n (+ n 1))(command (polar p (/ (* 2 n pi) 180) (* r 1.01)) ""))(command "") (command "zoom" "p") (setq ss (ssget "c" (list (- (car p) r) (- (cadr p) r)) (list (+ (car p) r) (+ (cadr p) r)) ) ) (command "scale" ss "" p k) (command "erase" ep "") (setq smw1 (list 0 0 0)) (setq smw2 (polar smw1 0 24)) ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;(command "text" smw1 "4" "0" (strcat dh "部放大" )) (setq me (entlast)) (setq me1 (entget me)) ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;(command "line" smw1 smw2 "")(setq me2 (entlast))(setq me3 (entget me2));;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;(command "text" smw1 "4" "0" (strcat (rtos k) ":1" ))(setq me4 (entlast))(setq me5 (entget me4));;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;(setq pn T)(princ"\n 请确定说明文字位置:")(while pn(setq pp (grread t))(setq kk (car pp))(setq pp (cadr pp))(setq xb (nth 0 pp))(setq yb (nth 1 pp))(setq x1 (- xb 36))(setq y1 (+ yb 12));;;;;;;;;;;;;;;;;;;;;;;;;;;(setq me1 (subst (list 10 x1 y1)(assoc 10 me1) me1))(entmod me1);;;;;;;;;;;;;;;;;;;;;;;;;;;;;(setq me3 (subst (list 10 (- x1 4) (- y1 2))(assoc 10 me3) me3))(setq me3 (subst (list 11 (+ x1 20) (- y1 2))(assoc 11 me3) me3))(entmod me3);;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;(setq me5 (subst (list 10 (+ x1 4) (- y1 8))(assoc 10 me5) me5))(entmod me5);;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;(if (= kk 3)(setq pn nil));;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;)(command "redraw")(setvar "osmode" set1)(setvar "orthomode" set2)(setvar "blipmode" set3)(setvar "cmdecho" set4)(PRINC))
) |