几个二次开发的程序
 

几个二次开发的程序
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几个二次开发的程序
1 defun c:mychilun(/)
(setq m 3.0)
(setq z 24)
(setq width 30)
(setq ra (/ (* m (+ z 2)) 2))
;(setq p0 (getpoint"指定基点:"))
(setq p0 (list 200 200))
(command "cylinder" p0 ra width)
(command "region" "l" "");指定面域
(setq e10 (entlast))

(command "ucs" "o" p0)

(setq r (/ (* m z) 2))
(setq p1 (list 0 (- 0 r)))
(setq ha m)
(setq hf (* 1.25 m))
(setq s (* m pi))
(setq s1 (/ s 4))
(setq kangle (/ pi 180))
(setq pj (/ 36.0 z))
(setq a (/ ha (cos kangle)))
(setq b (/ hf (cos kangle)))

(command "ucs" "o" p1)
(setq pp0 (list (- 0 s1) 0))
(setq pq0 (list s1 0 ))

(setq pp1 (polar pp0 (* 250 kangle) b))
(setq pp2 (polar pp0 (* 70 kangle) a))
(setq pp3 (polar pq0 (* 110 kangle) a))
(setq pp4 (polar pq0 (* -70 kangle) b))
(setq pp7 (polar pp1 (* -90 kangle) 2))

(command "pline" pp7 pp1 pp2 pp3 pp4)
(setq i 1)
(while (<= i 7)
(setq pp1 (polar pp1 0 s))
(setq pp2 (polar pp2 0 s))
(setq pp3 (polar pp3 0 s))
(setq pp4 (polar pp4 0 s))

(command pp1 pp2 pp3 pp4)
(setq i (+ i 1))
)
(setq pp8 (polar pp4 (* -90 kangle) 2))
(command pp8 "c")
(command "region" "l" "");指定面域


(setq pt (polar pp0 (* 180 (/ pi 180)) (* 4 s)))
(command "move" "l" "" pp0 pt)
(setq e0 (entlast))

(setq pm1 (list (nth 0 pp8) (nth 1 pp8)))
(command "ucs" "x" 90)
(setq pm2 (polar pm1 (* 70 kangle) (/ width (cos (* 20 kangle)))))
(command "line" pm1 pm2 "")
(setq e2 (entlast));齿条方向

(command "ucs" "w")
(command "extrude" e0 "" "p" e2 "")
(setq e1 (entlast));拉伸的斜齿条

(setq j 1)
(while (<= j z)
(setq i 1)
(while (<= i 10)
(command "rotate" e10 "" p0 pj) ;旋转毛胚
(setq yd (* r pj (/ pi 180) i))
(setq pt (polar pp0 0 yd))
(command "copy" e1 "" pp0 pt) ;移动齿条
;(command "region" "l" "")
(setq e4(entlast))
(command "subtract" e10 "" e4 "")
(setq i(+ i 1))
)
(setq j(+ j 1))
)

)
2
(defun c:luox(/)
(setq bl (getpoint"请指定螺旋线基点：")) //setq函数用于给变量赋值
(setq r (getreal"请指定螺旋线平均半径："))
(setq disp ( getreal"请输入螺旋线节距："))
(setq n (getint"请输入每圈细化段数："))
(setq delta (/(* 2.0 pi) n))
(setq j (/ disp n))
(setq bb(caddr bl))
(setq ang 0)
(setq k 0)
(command "ucs" "o" bl) //将坐标原点移到指定的螺旋线基点
(command "3dpoly" (list r 0 0)) //以（r、0、0）为起点绘制多段线
(repeat n //循环操作语句，n为循环次数
(setq k(+ k 1))
(setq ang(+ delta ang))
(setq pt2(list (* r(cos ang)) (* r(sin ang)) (+ 0 (* j k))))
(command pt2)
)
(command "")
)

请问有什么功能呀

对啊，介绍一下啊