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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？
' G! n+ t: z$ f. u8 J我用autolisp编制绘向心球轴承的二维图形，程序如下：# Z; e8 c- m6 w2 o1 A$ U$ Y9 R
(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 )4 b6 J4 Z6 d5 p# j( H
(setq d (getreal"\n 输入轴承外径"))* U' G' ^8 F# y% o2 s
(setq d1 (getreal"\n 输入轴承内径")). D' @" I9 \$ Z- I5 g
(setq b (getreal"\n 输入轴承宽度")): A6 ^0 I+ l7 |
(if (> d 40)
% Y; j; J( H$ u& ^+ X (setq t1 1.5) ;t1为绘制刨面线的线间距比例因子
6 U9 s4 o% o* K9 @ (setq t2 0.7)
% ~9 ^. L6 g# z* ^)6 @9 [- R0 h7 i3 R, b' F3 M) ?: A
(setq a (/ (- d d1) 2.0) ) ;计算三个中间参数值
) K6 G9 G& o+ s" _. H6 g, h(setq fx1 (/ pi 2))) J! {9 x& e, I
(setq fx2 (/ (* 3 pi) 2)) s+ B! r: A* M0 Q( H
)1 A# r2 j* `0 J. b8 e% Y* }
(setq p0 (getpoint"\n 输入图形插入点："))
( h7 h; }. D3 V5 C, n(setq p1 (polar p0 fx1 (/ d 2.0)))
4 H S& y5 p2 Y: p( b# d S4 a(setq p2 (polar p1 0 b))! k- `- X# E# Q8 M
(setq pc1 (list (+ (car p0) (/ b 2.0)) (+ (cadr p0) (/ (- d a) 2.0))))
7 R! c+ w) B: h! H) J7 X) g(setq pc2 (polar pc1 fx2 (- d a)))
; I, s1 n9 g) N: h+ k9 D( }" N(setq p9 (polar pc1 (/ (* pi 11) 6) (/ a 4)))
+ q' J. S* L, V, l% |8 U1 O3 c(setq p8 (polar pc1 (/ (* pi 7) 6) (/ a 4)))6 R& B- S- T1 h( R9 S6 }: a
(setq p4 (polar pc1 (/ pi 6) (/ a 4)))
: O K' ?$ z/ R8 S(setq p5 (polar pc1 (/ (* pi 5) 6) (/ a 4)))
% e) B' l5 _5 H7 n/ ?% ~- i(setq p3 (list (car p2) (cadr p4)))
# @9 g$ R- I& i+ ]! @" K9 T(setq p6 (list (car p1) (cadr p5)))
0 i+ r: ~, _# W(setq p7 (list (car p1) (cadr p8)))
C7 S, s: {" [7 k+ G(setq p10 (list (car p2) (cadr p9)))
6 A+ H- T6 B$ Y4 w2 Y(setq p11 (polar p2 fx2 a))
6 L% `9 V# R/ J) q3 m; a% i8 N$ c0 c(setq p12 (polar p1 fx2 a))3 a2 ]0 ?& E: ]" E- C1 ]2 H* M
(setq p13 (polar p0 fx2 (/ d1 2.0)))
5 |3 R5 T9 Z6 G+ o T5 E* h(setq p14 (polar p13 0 b))
) q( @! Q( D3 I* l6 W(setq p15 (polar p2 fx2 (/ d 2.0)))
: L$ O1 q0 A, `6 S& ~7 w(setq p16 (polar p15 0 b)); c* \# j" P- t4 ]9 c" i
4 u9 B* o+ x. G1 r+ h
(nlayer) ;调用层设置函数: ~; X8 C7 D& R! z0 L
(command "zoom" "w" (polar p1 fx1 10) (polar p16 fx2 10))
P3 b0 q1 ?2 l; G7 d/ Q(command "layer" "s" 1 "") ；绘制轴承的上半部分: [0 l. M% ~* z' d/ D( A
(command "pline" p1 p2 p3 p4 "")
4 H' r7 U% C2 |9 x4 n! [(command "arc" p4 "ce" pc1 "a" 120)3 L4 M5 R5 R# m7 x' Z8 E/ ]
(command "pline" p5 p6 p1 "")
* D* C! b' y$ k! C( Z(command "pline" p6 p7 p8 "")
! j; f3 V- J) m8 G(command "arc" p8 "ce" pc1 "a" 120)
. a6 F; F0 W/ _$ X(command "pline" p9 p10 p11 p12 p7 "")
+ f" a& x" q' c9 ^/ w1 ^(command "pline" p3 p10 ""), O# A% N, [8 c( ~& H9 M
(command "arc" p9 "ce" pc1 p4)
# u3 q& @# ~3 L' a4 p6 K2 w(command "arc" p5 "ce" pc1 p8)
c! t+ V% r2 ?# w/ d(command "mirror" "w" p1 p11 "" p0 (polar p0 0 b) "") ；镜像绘制轴承的下半部分
+ ~% o, d% L4 A* O: G5 y(command "pline" p12 p13 "")
; ]9 \: ]8 M7 e# o(command "pline" p11 p14 "")
( r, J) w. _0 Q% b% ~" }! A(command "layer" "s" 0 "")
2 H, |1 N* R5 Y+ Y+ L(command "hatch" "ansi31" t1 "0" "w" p1 p3 "") ；绘制剖面线) t/ J/ m9 S9 f: T, ]1 D
(command "hatch" "ansi31" t1 "90" "w" p7 p11 "")* i* \! z. d4 ] g* X# K0 [
(command "hatch" "ansi31" t1 "90" "w" p13 (polar p16 fx1 (/ a 2)) "")
& o. y: g& F7 S6 S% i(command "hatch" "ansi31" t1 "0" "w" p15 (polar p16 fx1 (/ a 2)) "")
% O8 s- ?9 x) ~(command "layer" "s" 3 "")
5 A# s+ }, v! m; F) B6 x(command "pline" (polar p0 pi 2) (polar p0 0 (+ b 2)) "") ；绘制轴承中心线
, J3 _8 k9 x3 I; r" `; _% k1 C(command "pline" (polar pc1 fx1 (* 1.2 (/ a 4.0))) ；绘制滚珠中心线. Y7 q& z* c) S" J0 F% [2 c
(polar pc1 fx2 (* 1.2 (/ a 4.0))) ""): Z8 a G* {% M
(command "pline" (polar pc1 pi (* 1.2 (/ a 4.0)))
# v* l4 [, X b @; x' A. Y9 B (polar pc1 0 (* 1.2 (/ a 4.0))) "") 4 {5 ^' z- u$ ~5 r% l$ s8 F$ ^
(command "pline" (polar pc2 fx1 (* 1.2 (/ a 4.0)))
7 `& |) j- |7 Y; S (polar pc2 fx2 (* 1.2 (/ a 4.0))) "")
2 m8 m2 }+ d; J$ v; u s(command "pline" (polar pc1 pi (* 1.2 (/ a 4.0))): Z! b) Q7 o- r1 ]4 J3 ]5 ^* u0 b6 w* ^
(polar pc2 0 (* 1.2 (/ a 4.0))) "")
0 @- W+ ^& ^' M- \, k(command "zoom" "a")' }3 ~& U- P- B+ k9 J* ^
(command "regen")
) }; e" Y, Y- F2 F" }$ h7 E% \$ h! O)
' Z7 i3 R- D4 q8 I0 {' S# k(defun nlayer ()
" ~0 ]4 t+ O) h, y& N# l(command "layer" "n" 1 "c" 1 1 "1" "continuous" 1 "")! N/ \+ P& g2 B
(command "layer" "n" 2 "c" 2 2 "1" "dashed" 2 "")
9 I! G! X1 M) y5 a% S, y" o1 ^(command "layer" "n" 3 "c" 3 3 "1" "center2" 3 "")
4 K8 i' P' o4 K, ], X8 t(command "layer" "n" 4 "c" 4 4 "1" "divide2" 4 "")" N: L; d6 M3 B
)8 }4 t1 w) w; c" M2 i- @0 u" s
, n, z/ W, U! h" Y6 o+ V9 V[ 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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