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当我运行程序后，输入插入点，提示：错误:参数类型错误：numberp: nil 为什么？- ?6 c* I3 F2 J) }# m, q/ f
我用autolisp编制绘向心球轴承的二维图形，程序如下： E6 f( ^+ [" X
(defun c:zch1 (/ p0 p1 p2 p3 p4 p5 p6 p7 p8 p9 p10 p11 p12 p13 p14 p15 p16 pc1 pc2 a fx1 fx2 t1 )1 K. M( t$ G3 [. r" H
(setq d (getreal"\n 输入轴承外径"))
) L+ F" G8 X$ a* ^5 U, E(setq d1 (getreal"\n 输入轴承内径"))
% n* k7 X5 p, T(setq b (getreal"\n 输入轴承宽度"))
8 o6 u+ I: d. P(if (> d 40)& {7 V2 W# R7 Q! c* N! b4 v
(setq t1 1.5) ;t1为绘制刨面线的线间距比例因子, V8 C4 ^8 Y2 ^# o
(setq t2 0.7)
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(setq a (/ (- d d1) 2.0) ) ;计算三个中间参数值
) {; R/ k5 s2 w% z9 L(setq fx1 (/ pi 2))9 z4 P( p: a3 c1 r0 G
(setq fx2 (/ (* 3 pi) 2))# M# s# S$ K: f
)7 t/ B* A. k$ {& \
(setq p0 (getpoint"\n 输入图形插入点："))
. F3 J6 |! Q) t* @3 Q( ?(setq p1 (polar p0 fx1 (/ d 2.0)))4 r# _8 J8 d5 ~0 J, L5 A" G
(setq p2 (polar p1 0 b))
( S3 F2 |4 R5 }+ U: n/ ~" E3 w5 j(setq pc1 (list (+ (car p0) (/ b 2.0)) (+ (cadr p0) (/ (- d a) 2.0))))
2 q" B& _3 V0 O6 Q# p/ ? N1 u(setq pc2 (polar pc1 fx2 (- d a)))
6 P: w% R4 k1 g. y2 G% `6 z(setq p9 (polar pc1 (/ (* pi 11) 6) (/ a 4)))
8 B2 e$ J2 y( g+ D' ?* n(setq p8 (polar pc1 (/ (* pi 7) 6) (/ a 4)))
" P$ r3 {) ]1 v% g) i' G# w$ T(setq p4 (polar pc1 (/ pi 6) (/ a 4)))
" v( \; k# c! a# U6 C(setq p5 (polar pc1 (/ (* pi 5) 6) (/ a 4)))
( }$ {$ ]* m2 q7 g$ W% F. U$ M(setq p3 (list (car p2) (cadr p4)))
@0 }, q$ X( a" v% t(setq p6 (list (car p1) (cadr p5)))
: _& U+ }8 m6 V% r, m3 O(setq p7 (list (car p1) (cadr p8)))
- S& j* }- B: N" }(setq p10 (list (car p2) (cadr p9)))
6 L2 j6 x/ g; T! w4 P(setq p11 (polar p2 fx2 a))8 q: }. S; q# f/ F8 F# A
(setq p12 (polar p1 fx2 a))0 H% ~# u; R* O& F# x% r! p4 b$ t
(setq p13 (polar p0 fx2 (/ d1 2.0)))
, \- h f' I4 D Q, @0 r(setq p14 (polar p13 0 b))
1 \! Y8 N: N* e" a, ?) q+ Y) u(setq p15 (polar p2 fx2 (/ d 2.0)))
) x+ g; u y) d! t3 s9 ?7 J(setq p16 (polar p15 0 b))
% |' h/ h7 U3 L; r+ z5 T
5 G2 \( o* T' n& E) p; m1 W(nlayer) ;调用层设置函数1 V4 f8 q$ U! N* U- a2 ]0 V, n
(command "zoom" "w" (polar p1 fx1 10) (polar p16 fx2 10))# ]& [1 [, `, o
(command "layer" "s" 1 "") ；绘制轴承的上半部分
8 W- J ]# k' a6 ]1 D(command "pline" p1 p2 p3 p4 "")
. i2 F# F# J" X& a# h8 o$ G# b(command "arc" p4 "ce" pc1 "a" 120)( l- C7 A& m3 {' o1 y
(command "pline" p5 p6 p1 "")$ d8 R& U. B/ Z7 M6 x
(command "pline" p6 p7 p8 "")6 L# y- O1 N0 S' R
(command "arc" p8 "ce" pc1 "a" 120)" r2 F$ s: @8 H# }- w
(command "pline" p9 p10 p11 p12 p7 "")
& j- H$ q' C- z; F(command "pline" p3 p10 "")* M" S! l2 W1 T$ T
(command "arc" p9 "ce" pc1 p4)
6 {+ E3 Q0 Y3 L. o8 a(command "arc" p5 "ce" pc1 p8)
& \8 X& U- G* l* j+ Y! y+ _(command "mirror" "w" p1 p11 "" p0 (polar p0 0 b) "") ；镜像绘制轴承的下半部分
( \; _1 a+ b' ?4 O7 a; }(command "pline" p12 p13 "")
( x( P; T' T. b7 d$ Z+ v(command "pline" p11 p14 "")$ }: {0 R7 t6 e$ h( x- e
(command "layer" "s" 0 "")3 ~: J+ p& {6 G
(command "hatch" "ansi31" t1 "0" "w" p1 p3 "") ；绘制剖面线
) B( o# O. W. i( z" k* F(command "hatch" "ansi31" t1 "90" "w" p7 p11 "")! ~. h! o' V" H6 S
(command "hatch" "ansi31" t1 "90" "w" p13 (polar p16 fx1 (/ a 2)) "")$ Y% J7 d; `2 v
(command "hatch" "ansi31" t1 "0" "w" p15 (polar p16 fx1 (/ a 2)) "")! G8 z, w! Y- j' U; V0 X, S C
(command "layer" "s" 3 "")
- L R9 D t# O& M/ h(command "pline" (polar p0 pi 2) (polar p0 0 (+ b 2)) "") ；绘制轴承中心线' F! T2 M8 z# l9 a8 M# S8 r; r
(command "pline" (polar pc1 fx1 (* 1.2 (/ a 4.0))) ；绘制滚珠中心线
$ m0 O% k7 ? @4 Q8 S6 A0 C& g8 U4 b (polar pc1 fx2 (* 1.2 (/ a 4.0))) "")0 x2 ?9 ^ z0 F1 C1 m
(command "pline" (polar pc1 pi (* 1.2 (/ a 4.0)))
2 [. x6 x* q$ e0 G% i (polar pc1 0 (* 1.2 (/ a 4.0))) "")
3 A! b9 Q7 g# p* {. ^% K8 z(command "pline" (polar pc2 fx1 (* 1.2 (/ a 4.0)))
3 P ?# l W6 i, v+ T- X! l- q& S4 H (polar pc2 fx2 (* 1.2 (/ a 4.0))) "")
2 [' Y/ L T, ~: }6 e5 T(command "pline" (polar pc1 pi (* 1.2 (/ a 4.0)))
/ z A! ~& g% P- v (polar pc2 0 (* 1.2 (/ a 4.0))) ""). f0 Y& o" V1 t5 S3 j: x
(command "zoom" "a")9 B2 y9 ?& h$ D( Y0 Z
(command "regen")
# r7 y& V9 T' i/ A% G9 y$ `)4 p: [ U+ C+ S% v. s
(defun nlayer ()
2 {4 q$ w; v! ?! C2 y- `(command "layer" "n" 1 "c" 1 1 "1" "continuous" 1 "")+ C' {$ `" v2 g! w9 p
(command "layer" "n" 2 "c" 2 2 "1" "dashed" 2 "")
8 R8 y1 o- L4 l) w(command "layer" "n" 3 "c" 3 3 "1" "center2" 3 "")8 B. c/ M0 E3 Y& Q6 C9 e4 j
(command "layer" "n" 4 "c" 4 4 "1" "divide2" 4 "")
+ r1 M7 c- @$ k# o% O9 a)
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9 g# e, K8 s6 L2 ?/ S% W! {[ 本帖最后由 jianjian88 于 2008-5-31 18:19 编辑 ] |
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发表于 2008-5-28 22:26
楼主
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