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- ;;两点动态圆弧------(一级)-----
-
- ;功能:给2点画弧,且提示弧长,半径,并支持扑捉,TAB键乒乓开关信息
- (defun 2p-dd-arc (p1 p2 / p3 nam nam1 obj nam2 ent ent1 loop bb pt f3 d ang s0 s s1 s2 s3)
- (command "_.undo" "be")
- (setq s0 "\n->动态圆弧 [信息开关(TAB)/扑捉(F3)/定位(Left-Right-Other keys)]")
- (setq p3 (polar (sl:mid p1 p2) (+ (angle p1 p2) pi2) 50) s1 "mm" s2 "..开.." s3 "..关..")
- (make-arc p1 p3 p2) ;3P画弧
- (setq nam (entlast))
- (slmkwz (strcat "R=" (rtos (* (getvar "DIMLFAC") (dxf1 nam 40))) s1) p3 3.0 0 nil "f-i-n-d" nil 6 "m") ;中心定位写字
- (setq ent (entget (setq nam1 (entlast))) obj (en2obj nam1))
- (slmkwz (strcat "L=" (rtos (* (getvar "DIMLFAC") (sllen nam))) s1) p3 3.0 0 nil "f-i-n-d" nil 6 "m")
- (setq ent1 (entget (setq nam2 (entlast))))
- (setq loop t f3 (getvar "OSMODE") s s2)
- (princ (strcat s0 "(" s ")"))
- (while loop
- (setq bb (grread t 15 2))
- (setq pt (cadr bb) d (p2uu 20))
- (cond
- ((equal bb '(2 6));F3切换捕捉开关
- (cond
- ((and (< f3 16384) (/= f3 0))
- (setq f3 (+ f3 16384))
- (prompt "\n <对象捕捉 关>")
- )
- ((or (= f3 0) (>= f3 16384))
- (setq f3 16383)
- (prompt "\n <对象捕捉 开>")
- )
- )
- (setvar "OSMODE" f3)(redraw)
- )
- ((= (car bb) 5)
- (redraw)
- (if (and (<= f3 16384) (> f3 0))
- (setq pt (slosnappt nam pt))
- )
- (setq pt (trans pt 1 0))
- (entdel nam)
- (make-arc p1 pt p2)
- (setq nam (entlast))
- (if (= s s2)
- (progn
- (setq ang (angle-sharp (angle '(0.0 0.0 0.0) (vlax-curve-getFirstDeriv nam (vlax-curve-getparamatpoint nam pt)))))
- (setq pt (polar pt (+ ang pi2) (* 0.7 d)))
- (entmod (emod (emod (emod (emod (emod ent 1 (strcat "R=" (rtos (* (getvar "DIMLFAC") (dxf1 nam 40))) s1)) 10 pt) 11 pt) 40 d) 50 ang))
- (setq pt (polar pt (+ ang pi2) (* 1.3 d)))
- (entmod (emod (emod (emod (emod (emod ent1 1 (strcat "L=" (rtos (* (getvar "DIMLFAC") (sllen nam))) s1)) 10 pt) 11 pt) 40 d) 50 ang))
- )
- )
- )
- ((member bb '((2 9))) ;;table 信息关
- (entdel nam1) (entdel nam2)
- (if (not (vlax-erased-p obj)) (setq s s2) (setq s s3))
- (princ (strcat s0 "(" s ")"))
- )
- ((or t (equal (car bb) 3) (member (car bb) '(11 25)));;左、右、其余键
- (setq loop nil)
- )
- )
- )
- (command "_.undo" "e")
- (redraw)
- )
- ;;测试-----(需要三领支持测试)
- (defun c:tt (/ p1 p2)
- (setq p1 (getpoint "\n 圆弧第一点:")
- p2 (getpoint p1 "\n 圆弧第二点:")
- )
- (2p-dd-arc p1 p2)
- )
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