- ;|
- 命令:zbz
- 功能:自定义指北针大小及方向
- |;
- (defun c:zbz ( / &ang1 &ang2 &dis1 &ent1 &kw1 &p1 &p2 &p3 &p4 &p5 &pt1 &pt2 &r1 &r2 x)
- (setvar "cmdecho" 0)
- (setvar "blipmode" 0)
- (if (and (setq &p1 (getpoint "\n请指定圆心"))
- (setq &r1 (getdist &p1 "\n请输入圆半径"))
- )
- (progn
- (setq &r2 (* &r1 2))
- (entmake (list '(0 . "CIRCLE")
- (cons 10 &p1)
- (cons 40 &r1)
- )
- )
- (setq &ent1 (entlast) &kw1 (ssadd) &kw1 (ssadd &ent1 &kw1))
- (setq &p5 (cadr (grread t)))
- (if (= (distance &p1 &p5) 0)
- (setq &ang1 0)
- (setq &ang1 (angle &p1 &p5))
- )
- (setq &p2 (polar &p1 &ang1 &r2)
- &p3 (polar &p1 (+ &ang1 (* pi 0.8)) &r2)
- &p4 (polar &p1 (- &ang1 (* pi 0.8)) &r2)
- )
- (entmake (list '(0 . "LWPOLYLINE")
- '(100 . "AcDbEntity")
- '(100 . "AcDbPolyline") (cons 90 3)
- '(70 . 1) (cons 10 &p1) (cons 10 &p2) (cons 10 &p3)
- )
- )
- (setq &ang2 (angle &p2 &p4)
- &pt1 (polar &p2 &ang2 &r2)
- &dis1 (distance &p1 &pt1)
- &pt1 (mapcar '(lambda (x)(* x 0.5))(mapcar '+ &p1 &pt1))
- )
- (setq &pt2 (polar &p4 &ang2 (* &r2 -1))
- &pt2 (mapcar '(lambda (x) (* x 0.5)) (mapcar '+ &p1 &pt2))
- )
- (entmake (list '(0 . "LWPOLYLINE") '(100 . "AcDbEntity")
- '(100 . "AcDbPolyline") (cons 90 4) (cons 10 &p2)
- '(40 . 0.0) (cons 41 &dis1) (cons 10 &pt1)(cons 10 &pt2) (cons 40 &dis1)
- '(41 . 0.0) (cons 10 &p4)
- )
- )
- (setq &p4 (polar &p1 &ang1 (+ &r2 &r1)) &ang2 (+ &ang1 (* pi 0.5))
- )
- (entmake (list '(0 . "TEXT") (cons 1 "N") (cons 10 &p4) (cons 40 (* &r1 0.8))
- '(41 . 0.6) (cons 50 &ang2)
- '(72 . 4) (cons 11 &p4)
- )
- )
- (while (setq &ent1 (entnext &ent1))
- (setq &kw1 (ssadd &ent1 &kw1))
- )
- (command "ROTATE" &kw1 "" &p1 "R" &p1 &p2)
- )
- )
- (princ)
- )
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