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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？) ]3 z h+ O5 @/ {) U. ~: [/ Z
我用autolisp编制绘向心球轴承的二维图形，程序如下：
+ _' n! e: i% }( S(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 )
2 t; T7 b# I, o* k* u* r# x(setq d (getreal"\n 输入轴承外径"))3 ?2 [1 S& Q- k* W( I3 f+ k
(setq d1 (getreal"\n 输入轴承内径"))
" g1 ^+ y d& u& x" f5 i8 x(setq b (getreal"\n 输入轴承宽度"))
R/ v' n0 \ \2 b(if (> d 40). W% x7 m: y$ n" |2 n4 W! r' V; Q7 s
(setq t1 1.5) ;t1为绘制刨面线的线间距比例因子
. I9 {9 ?# z+ H' J# p (setq t2 0.7)
* N. e1 H% I" ~# |# X8 F$ @)" E4 M+ e7 `6 t6 A$ U' @# P
(setq a (/ (- d d1) 2.0) ) ;计算三个中间参数值
2 j1 }+ c6 O4 V' v- O7 C l(setq fx1 (/ pi 2))
; C( ~" R4 P+ [- \9 i: }6 I% G, t3 g(setq fx2 (/ (* 3 pi) 2))
8 w9 I2 r4 g7 V- o" T2 D! d* H* [)( _# X+ L' V6 Z, V; `& @+ c
(setq p0 (getpoint"\n 输入图形插入点："))
6 E3 L" T( v( a' U+ |: a/ h(setq p1 (polar p0 fx1 (/ d 2.0)))
! L& ~& b: k$ M, z2 q: e(setq p2 (polar p1 0 b))
& h7 f8 w* W+ r(setq pc1 (list (+ (car p0) (/ b 2.0)) (+ (cadr p0) (/ (- d a) 2.0))))
) Q; O1 ]9 p0 O" {(setq pc2 (polar pc1 fx2 (- d a))) / K3 _# Y6 \( P) T! ^
(setq p9 (polar pc1 (/ (* pi 11) 6) (/ a 4)))
$ D1 x$ s) W; r8 m(setq p8 (polar pc1 (/ (* pi 7) 6) (/ a 4)))
+ W: T: G' }5 J(setq p4 (polar pc1 (/ pi 6) (/ a 4)))& D3 S4 H! u! P7 x
(setq p5 (polar pc1 (/ (* pi 5) 6) (/ a 4)))
7 }# P/ w# w' I/ X(setq p3 (list (car p2) (cadr p4)))8 z& H4 X3 s* X
(setq p6 (list (car p1) (cadr p5)))
5 h6 E: y8 c5 m, @3 u0 M(setq p7 (list (car p1) (cadr p8)))
9 ^/ w5 X! @4 B(setq p10 (list (car p2) (cadr p9)))0 D% V& I! F6 y& K& S1 R. s
(setq p11 (polar p2 fx2 a))
/ `: \# A1 l( O6 q(setq p12 (polar p1 fx2 a))
9 a" e; t' N. {6 B/ D8 F% k& L(setq p13 (polar p0 fx2 (/ d1 2.0)))
9 M" v2 S( v' B+ p* d0 M6 V% U(setq p14 (polar p13 0 b))6 u% N4 x3 d! K1 s R
(setq p15 (polar p2 fx2 (/ d 2.0))): O, B! n! g9 k% m5 |$ L3 @& y' G2 l
(setq p16 (polar p15 0 b))
% b! e" h8 ~- N. y( k8 f, D7 F5 x; R3 G. z
(nlayer) ;调用层设置函数
1 `$ K5 R( L' y9 ^(command "zoom" "w" (polar p1 fx1 10) (polar p16 fx2 10))
/ n3 f& s$ ]; T, s% y6 {: m(command "layer" "s" 1 "") ；绘制轴承的上半部分
" l+ {+ H" `2 c" H% K5 [(command "pline" p1 p2 p3 p4 ""). X5 e$ U" m3 Z( e
(command "arc" p4 "ce" pc1 "a" 120)1 @9 B9 j4 N# g; { n
(command "pline" p5 p6 p1 "")
8 N w0 L6 g. r i8 [(command "pline" p6 p7 p8 "")
# _8 K; _8 U7 V+ e+ s(command "arc" p8 "ce" pc1 "a" 120)% w% S6 e' w: H. u
(command "pline" p9 p10 p11 p12 p7 "")
5 T1 e- c( d6 S(command "pline" p3 p10 "")
8 s" o4 F8 B' b8 @( B8 S(command "arc" p9 "ce" pc1 p4)
" P, V) [& v/ A* G5 ]( M" w(command "arc" p5 "ce" pc1 p8)
( ~/ g2 J" ~: R' i(command "mirror" "w" p1 p11 "" p0 (polar p0 0 b) "") ；镜像绘制轴承的下半部分
/ s7 i) T) S" ]% P(command "pline" p12 p13 "")7 g5 k% W; m: w- D
(command "pline" p11 p14 "")* U. f5 t( v# S* r' X3 Y
(command "layer" "s" 0 "")- P3 I, z3 [. J' z( Y4 ^8 J
(command "hatch" "ansi31" t1 "0" "w" p1 p3 "") ；绘制剖面线
7 o9 R& i0 J; H- w$ H# Q# x( I9 j(command "hatch" "ansi31" t1 "90" "w" p7 p11 "")
& o/ D5 [/ z6 r+ R4 }3 B: S(command "hatch" "ansi31" t1 "90" "w" p13 (polar p16 fx1 (/ a 2)) "")& X0 t. \$ ^$ N/ n5 C# R. Y
(command "hatch" "ansi31" t1 "0" "w" p15 (polar p16 fx1 (/ a 2)) ""): @( [7 |) U* r S2 i
(command "layer" "s" 3 "")7 |% s% l2 b* H! d& K2 o/ A
(command "pline" (polar p0 pi 2) (polar p0 0 (+ b 2)) "") ；绘制轴承中心线" r1 {9 i; p0 H9 Q7 X u, I
(command "pline" (polar pc1 fx1 (* 1.2 (/ a 4.0))) ；绘制滚珠中心线
% b* K) ]3 A" B (polar pc1 fx2 (* 1.2 (/ a 4.0))) "")- i9 R" S5 N6 T/ E2 u
(command "pline" (polar pc1 pi (* 1.2 (/ a 4.0)))0 |- j/ H4 P1 R; e- w# p w6 u
(polar pc1 0 (* 1.2 (/ a 4.0))) "")
2 z( @2 t# \5 f* V(command "pline" (polar pc2 fx1 (* 1.2 (/ a 4.0)))1 Y$ v% l- T* Z: w: l5 i
(polar pc2 fx2 (* 1.2 (/ a 4.0))) "")
) k5 n# Y' d, A) |(command "pline" (polar pc1 pi (* 1.2 (/ a 4.0)))2 E2 g0 T" h0 t. ]& r
(polar pc2 0 (* 1.2 (/ a 4.0))) "")0 z, I4 E5 d" Y Z
(command "zoom" "a")
, e' |( c9 S8 G# V6 h5 s(command "regen")9 c3 ~% c- x) m, {6 j1 _* U8 \
)
5 j0 o) v" U/ ^1 ]( G(defun nlayer ()
. x3 v/ w! w, z0 x6 M(command "layer" "n" 1 "c" 1 1 "1" "continuous" 1 "")
1 Y. v- u+ V* a' O9 `: J0 r0 S8 q(command "layer" "n" 2 "c" 2 2 "1" "dashed" 2 "")( F" G9 Q1 _. E+ Q
(command "layer" "n" 3 "c" 3 3 "1" "center2" 3 "")% z* w8 o/ M# D5 e
(command "layer" "n" 4 "c" 4 4 "1" "divide2" 4 "")
* D3 M$ ]2 e% K& E, ^7 @) T)( q( D/ h0 w( e; T+ n9 n1 i: H$ j1 u) \
0 D1 @' X$ P' b6 S: z$ i
[ 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