此文系转载，转载自哪里忘记了，原作者是谁也不知道。有知道的可以告诉我，我在帖子里写上
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不再神神秘秘，齿轮轮齿渐开线、螺栓、弹簧autolsp源程序大公开，源程序见下面：6 x; w' v- X) y
一、齿轮轮齿渐开渐开线
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- (defun c:gear(/)# t0 v4 y! I7 F9 U9 k( y* ]
- (
: D6 J$ a6 q( V1 Q$ B9 d - setq5 P6 O) k& p7 y }4 Y$ [
- p0 (getpoint"输入齿轮中心p0: ")
2 w( x6 `0 B3 ? _0 z8 G* L2 J - m (getreal"输入齿轮模数M: ")
' O! b& U$ g- j - z (getint"输入齿轮齿数Z: ")" U+ A) a* B% {3 l' y
- ha 1
, L C; H# W/ z. ?$ t0 H+ n+ o - c 0.25
1 V; h9 g4 E: i7 M. p - a (/ pi 9)4 L3 W% i& L5 x9 g e' o+ ]
- ra(/ (* (+ z (+ ha ha)) m) 2)
' c1 v8 q$ ?8 ]+ Y2 ~3 s: [ - rf(/ (* (- z (+ (+ ha ha) c)) m) 2)/ n$ o. P- V# G0 N, q
- r(/ ( * m z) 2): \. c& @1 j/ r7 |
- rb ( * r (cos a))
. ]% n& M O6 G1 j2 L) J - ri rb. y$ d# Z( g& F5 x- z' u1 k) ^
- ang 0; [. [; [6 `3 w' M% I
- g (polar p0 ang rb)
; x0 Y- S( c3 S5 V - )
L4 T- j) W$ V2 u8 H) P/ {6 Y - (command "circle" p0 ra)! d6 k! Y( S# ?/ V+ F
- (command "circle" p0 rf)
3 s$ S) S9 z; `$ o `/ t: O! b2 X - (command "circle" p0 r)- B3 X$ e n1 e& t3 Y
- (command "line" g): U$ H. Z* l7 O) ?( `
-
8 P" q) A) G, B - (while (< ri ra)
- o Y, M- U0 h8 }: s# Y - (setq' ~+ ~3 R P/ w+ Y+ b4 P' |" J
- ang ( + ang(/ pi 360))
3 N. A o2 a" Q+ [! d2 p - ri ( / rb (cos ang))
' k/ `, Y" `8 V3 r - cta ( - (/ (sin ang) (cos ang)) ang)
* J( g+ ^# [" n0 u/ B F7 S. b - g(polar p0 cta ri)5 Z. ^ }& v# w2 ^! {/ ]2 Y
- )% Q1 G2 L& b' A: a% L
- 3 t; q$ w9 f' e; d7 \' s
- (command g)1 ~* F# X# W/ @9 c. [5 R
- )4 ~: G9 V& U( z4 i6 x7 J
- (command )
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: @$ I+ q1 f/ P& k二、螺旋源程序
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- (defun errMsg (s)
+ p( v* t1 |- u' U7 Z - (if (/= s "function cancelled") (princ (strcat "
3 M% _. f) e+ A3 ~/ c - Error: " s)))
( D4 G" _% h3 E+ f: r. ^/ J( } - ; 当命令执行时出现错误
. V( O0 i8 \) I- W: D - (setvar "cmdecho" ocmdold) ; 例如用户按下了CTRL + C
4 S! T* a. ?" B$ S - (setvar "osmode" osmold)
& j" g. M- r# }/ s' G - (setq *error* olderr) ; 恢复旧的错误处理
0 X1 A+ \! `* Y6 f- ?6 U. X - (princ)/ W/ L- y6 f: ?1 K
- )
3 b1 J5 _5 ?( G) N& T3 s! I' R, h
* c% F4 q* O( B8 W( `6 P7 r! y z" v* C- (defun c:3Dthread (/ radouter threadpitch threadlength threadangle
. P& C( P, {# j7 [) B1 U - ptStart innerdiafactor radmid radinner ocmdold osmold 4H 5H 6H h6 g6)6 M; X q# u1 G* |* g
- ;-------------------------------------------------------------------
3 X X4 b0 l0 P - ; 获取公制外径大小、螺距总长8 }. S, R! L' p4 [+ U
- ; 然后计算一系列几何点% I" r: n1 Y9 m0 T9 p& Z+ {5 q
- ; 并且关闭对象捕捉、命令回显* t" r5 ~. y* X$ r6 k
- ;-------------------------------------------------------------------' K; D2 g' A, r8 S: x; y
- (setq 4H (list 0.0015 0.002 0.002 0.0025 0.003 0.0035 0.004 0.005 0.006 0.007 0.008 0.009 0.010)) * x2 l' M. w7 d0 ^+ o* h
- (setq 5H (list 0.002 0.0025 0.003 0.004 0.0045 0.0055 0.0065 0.0075 0.009 0.010 0.0115 0.0125 0.0135)) . W" L6 i W( v5 y0 [
- (setq 6H (list 0.003 0.004 0.0045 0.0055 0.0065 0.008 0.0095 0.011 0.0125 0.0145 0.016 0.018 0.020))
* R6 Q+ W+ L: _ - (setq h6 (list -0.003 -0.004 -0.0045 -0.0055 -0.0065 -0.008 -0.0095 -0.011 -0.0125 -0.0145 -0.016 -0.018 -0.020)) 9 v q3 D, J7 R# U/ w5 c. L' V
- (setq g6 (list -0.005 -0.008 -0.0095 -0.0115 -0.0135 -0.017 -0.0195 -0.023 -0.0265 -0.0295 -0.033 -0.036 -0.0515))
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- (setq osmold (getvar "osmode")) ; 保存调用前的osmode系统变量值
& D! o6 |0 K1 Y+ X - (setq ocmdold (getvar "cmdecho")) ; 保存调用前的cmdecho系统变量值
2 J b; w* w- ^: l - (setvar "osmode" 0) ; 关闭对象捕捉 1 b1 j! f! j% P/ }. n/ l7 }
- (setvar "cmdecho" 0) ; 关闭命令的回显( W- J) Y3 ~( g D/ N0 ]( z- I
8 S, G' X& m2 }- (setq innerdiafactor 1.5) ; 设置内径系数 K8 J# b0 h% {( Y+ R$ W
- (initget 7) ; radmid 必须非零、非空、非负# @& c) Z+ W8 Q. _5 g# N; K# a, y5 W- n
- (setq radmid (getdist "3 O. O9 G5 a* K8 E, k
- 公制外径: "))
0 Z+ j X; X8 k' F9 C - (initget 7) ; threadpitch 必须非零、非空、非负1 d R9 T" F B, t6 p5 @7 R* E
- (setq threadpitch (getreal "
% z$ L- H1 i- ? t6 W - 螺距: "))
$ p# B$ Z+ ]% Z9 j" p. C4 d: L - (initget 1) ; ptStart 必须非空
" e7 s' {" u6 g: S - (setq ptStart (getpoint ", V/ g! O* V8 p% ^
- 起始点: "))) H# b; h& t, y) ^
- (initget 3) ; threadlength 必须非零、非空、非负
" ~- {& [0 c: N5 ^1 { - (setq threadlength (getdist "
$ N6 }7 R% a( j - 螺纹总长(Y方向): "))6 e3 w# T. M+ _6 l4 G8 @' V! `, ^; t
- & u- R! \# y: j# \" q' T5 a
- ; 对公制外径添加公差& Z8 l7 z- t- ?( n
- (if (<= radmid 3) (setq order 0) ; 根据公制外径确定公差带中位置0 D) g. f. g9 F- b, w
- (if (<= radmid 6) (setq order 1)
+ V$ X, ]- G2 y t& r+ l2 C) } - (if (<= radmid 10) (setq order 2)& E4 i) T6 v5 B# {8 T
- (if (<= radmid 18) (setq order 3)# N2 f% ~3 e N, H7 f3 a
- (if (<= radmid 30) (setq order 4)
7 R9 P% r1 l* T: w' T - (if (<= radmid 50) (setq order 5)
: h7 i1 [1 ^: h7 o$ X% o$ u - (if (<= radmid 80) (setq order 6)
' @. A9 L' ]4 I! S u; K) o$ q! ? w - (if (<= radmid 120) (setq order 7)* J5 u1 u7 I/ p
- (if (<= radmid 180) (setq order 8)
: z8 o; y% Z4 U' q - (if (<= radmid 250) (setq order 9)
8 G: f- f9 ?- j$ V. z+ t6 w3 H5 `0 T - (if (<= radmid 315) (setq order 10)) W$ X1 W. H& }! E8 `4 ], B3 D; c
- (if (<= radmid 400) (setq order 11)
) b+ U- \# c$ [8 D4 U2 S - (if (<= radmid 500) (setq order 12)
/ p1 x% v! `: Q; s* x& ^ - )))))))))))))
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3 T( C1 F; p# q L: f- `, e- (if (< threadpitch 0.25) (setq radmid (+ radmid (nth order 4H))) ; 根据螺距确定公差带! q- n( t8 v2 M2 x5 S; l
- (if (< threadpitch 0.35) (setq radmid (+ radmid (nth order 5H)))5 X' K0 `7 v+ O- L* I5 p' L! m
- (if (>= threadpitch 0.35) (setq radmid (+ radmid (nth order 6H)))
" x8 n1 ]) W( t N- R$ A; r8 d/ J - )))
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- (setq h (* 0.866025 threadpitch)) ; 计算齿高' e3 c8 [' r8 } B: w9 m
- (setq radouter (+ radmid (/ h 4))) ; 计算外径: Q' P! z* R- \$ g7 J6 V. ?
- (setq radinner (- radouter (* h innerdiafactor))) ; 计算内径6 ^& x! @1 U7 X( L
- (setq threadangle (+ 30 0)) ; 计算齿顶角1 x& R, _5 r$ |
- . V0 U% E; c7 i
- (auxithread radouter radmid radinner threadpitch threadlength threadangle ptStart) ; 调用绘制三维螺纹的子函数
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3 ~$ |3 v( Q/ p. g6 d& r- (princ ") \: a$ b3 f6 X' b
- 三维螺纹创建完成")- |' k0 e* n4 {/ u. i
- (setvar "osmode" osmold) ; 恢复调用前的osmode系统变量值
& _1 u0 D, r' \, w - (setvar "cmdecho" ocmdold) ; 恢复调用前的cmdecho系统变量值. L) j3 G# V6 L& w: Q: B! f
- (princ)# G) ^& \! c4 L8 n6 F+ [
- )* k/ p. q* s7 g X# P0 k
; {; _! g. J/ E& _, K8 e- (defun auxithread (radouter radmid radinner threadpitch threadlength threadangle ptStart / ttal pt1z ang pt1a
& V4 X- o: o0 b4 g8 x - pt1az pt3a pt1b pt1bz pt3b pttmp1 pttmp2 pttmp3 pttmp4 pttmp5 pttmp6 pttmp7 pttmp8 pttmp9 pttmp10 pttmp11 pttmp12 tstmp startcone endcone)
! m4 V/ c3 u b# W; a5 x - * n- ~. [% a5 }5 S M7 F# s
- ;(command "undo" "begin") ; 开始undo步骤
! y" E$ c% Z+ J7 y
5 O( j% D+ u! ?1 H( o- (setq ttal (+ (fix (/ (abs threadlength) threadpitch)) 3)
- @% U( C0 W' M - pttmp1 (list (- (car ptStart) (/ radouter 2.0)) (cadr ptStart) (caddr ptStart))6 W" t$ o2 l; N: t y0 F
- pt1z (list (- (car ptStart) (/ radouter 2.0)) (cadr ptStart) (+ (caddr pttmp1) 1.0))
' K6 u- v8 V: T" W4 }+ p; Z4 c - pttmp2 (polar pttmp1 (/ (* threadangle pi) 180.0) 1)2 M6 h) v# r: c9 j ?5 ^
- pttmp3 (list (+ (car pttmp1) radouter) (+ (cadr pttmp1) (/ threadpitch 2.0)) (caddr ptStart)) }4 M7 _/ }) R
- ang (angle pttmp1 pttmp3)" Q1 w% q" H6 V
- pt1a (polar pttmp1 (+ ang (/ pi 2.0)) threadpitch)# w4 ?; ]- [. ^/ K2 A2 r
- pt1az (list (car pt1a) (cadr pt1a) (+ (caddr pt1a) 1.0))) l1 ~; n/ R! l" r. z
- pt3a (polar pt1a ang radouter)% k8 v F- A4 i. p! W
- pt1b (polar pttmp1 (- ang (/ pi 2.0)) threadpitch)* }" H' y( o% Q$ h8 D/ e. C2 p7 w
- pt1bz (list (car pt1b) (cadr pt1b) (+ (caddr pt1b) 1.0))$ C& w E! e7 C% U
- pt3b (polar pt1b ang radouter)1 t! G# a! t2 v+ V% ~
- pttmp4 (polar pttmp3 (/ (* (- 180 threadangle) pi) 180.0) 1)
7 s" D2 \' i0 [: t - pttmp5 (inters pttmp1 pttmp2 pttmp3 pttmp4 nil)8 |: k; k e: w* ~
- pttmp6 (list (car pttmp5) (cadr ptStart) (caddr ptStart))! ]$ b: ?! P/ {% I/ @' r! N
- pttmp7 (polar pttmp1 (/ (* (- 360 threadangle) pi) 180.0) 1)& E" z4 v7 m6 ?9 Y
- pttmp8 (polar pttmp3 (/ (* (+ 180 threadangle) pi) 180.0) 1)
/ e! R; D6 t" P; a - pttmp9 (inters pttmp1 pttmp7 pttmp3 pttmp8 nil)) Z2 ?! }( h& o( X$ o m0 u$ Q) `
- pttmp10 (list (car pttmp9) (cadr pttmp3) (caddr pttmp3))& n; P0 ^7 O& Y' w6 \6 ^2 M
- pttmp11 (polar ptStart (/ pi 2.0) threadpitch)
9 V0 |; Y. G. x0 i( \ - pttmp12 (polar pttmp11 (/ pi 2.0) (abs threadlength))
- W/ X# I/ f Z - )% g$ A8 F" Z% U; y6 o8 o+ v' f& c6 T
5 R) p$ G# O4 U- i- ;-------------------------------------------------------------------
" Y* y5 H0 y/ @ z' i* z- F) t( V - ; 绘制两个倒置的并偏移1/2螺距的圆锥- a- N1 ?# h a4 ?3 c8 ^; O E/ F
- ; 这两个圆锥都以中剖面剖分
( L+ U& m$ n0 n- ~ - ; 进行并集运算: B4 H: j9 C. u& w% R& S$ m0 o
- ;-------------------------------------------------------------------, S! n- {- G: K% ]+ P' O7 @" z
- $ J7 S s5 ~- K) s+ F! v
- (SETQ startcone "order")
, l/ u* s6 Y; ]; ?# y - (SETQ endcone "Y")
. L8 s7 l2 z, ~7 A - (command "zoom" "w" (list (car pt1a) (+ (cadr pt1a) (abs threadlength)) (caddr pt1a)) pt3b)
$ {2 u7 F8 `& a6 F; B - ! K" ]2 e0 i) d2 b0 n! R
- (princ "& z- a/ y/ d: X# e; e! w
- 正在绘制三维螺纹，请等待")4 }& A, l- H n9 e3 \& t0 [
- (command "pline" pttmp1 pttmp5 pttmp6 "c")
. V8 B# E( d6 P I6 ^5 c; R - (command "revolve" "l" "" pttmp5 pttmp6 "")# c! R9 u* r1 q0 x6 p) a
- (command "slice" "l" "" pttmp1 pttmp3 pt1z pttmp5)
1 |' D5 ~6 i$ [" G$ o2 K: b5 S Q - (command "slice" "l" "" pt1a pt3a pt1az pttmp3)% y9 I, J! z: T" l1 T% s& D1 w
- (setq tstmp (ssadd (entlast)))" H$ t8 L- ]- u
- (command "pline" pttmp3 pttmp9 pttmp10 "c"): I+ t) f& e( m9 A% X9 s
- (command "revolve" "l" "" pttmp9 pttmp10 ""); d w1 O5 f9 p2 a6 g
- (command "slice" "l" "" pttmp1 pttmp3 pt1z pttmp9)
6 z" T; w( ^1 c: X - (command "slice" "l" "" pt1b pt3b pt1bz pttmp3)
& Z8 o5 A8 g" W' L - (setq tstmp (ssadd (entlast) tstmp))) H5 Z% G; q4 [! A% W/ `
- (command "union" tstmp "")
2 Z7 | \+ d! ~ - ' N' P: v0 b6 g9 q" c3 A
- ;-------------------------------------------------------------------# |' D/ t5 b6 o! ?
- ; 上面的实体被剖切成两份，然后进行镜像以获得螺旋线的螺旋6 n; a2 A* l$ v
- ; 单线的高度实际上等于两倍螺距，但是超出或者是在内部或者是
% d& a8 y$ C4 }4 ~ - ; 在最后一步被切除
3 m& \) z1 F' } - ;-------------------------------------------------------------------
& [- x3 E H4 G" p" e* Y5 v - }# U0 U# Y0 O: q. c
- (command "slice" tstmp "" "xy" ptStart "b")6 q, X2 x% p, |$ @( C6 j q
- (setq tstmp (ssadd (entlast) tstmp)). p" P* S' c# b; _! R
- (command "mirror" "l" "" pttmp1 "@10<0" "y") i5 e+ j3 Q+ c1 @7 B4 s
- (command "union" tstmp "")
) d+ u# D! H: D1 W- f - ) g+ H" [" F! u G: ]2 g0 g8 x
- ;-------------------------------------------------------------------9 V6 E! Z2 x; G0 v! A q* J* C/ h
- ; 螺旋进行阵列操作，然后再作并集（可能会耗费一定时间）. ^: L- y* t/ g' ?( Z
- ; 得到的实体再切除到指定的螺旋高度0 S5 X2 S6 u. `6 f( A4 W2 Z
- ;-------------------------------------------------------------------& q7 J" E1 v# \
- 4 @, a, u3 n& `( Z" K5 m/ P, [ C
- (setq e (entlast))
5 A2 A0 u: m! J' } - (command "array" tstmp "" "r" ttal 1 threadpitch)
, C$ R& {: o1 o( _3 I - (repeat (1- ttal)
/ Q( s0 S: V* }1 W - (setq e (entnext e), Z6 j1 ~( [( @1 p
- tstmp (ssadd e tstmp)" r1 t# ]/ J% d0 [3 {9 G
- )
* Y- X2 z# P3 T" q6 K; x. }) H4 d - )
1 C/ E3 \% v: C8 F, B/ d: E7 Z - (command "union" tstmp "")
5 h! ^0 y P! E
/ U( E% r8 k3 g3 j, k- ; 若开始创建45度的圆锥
& j& E' S/ O. s9 N- ?: e - (if (/= startcone "order")
e6 |; ?: M1 A1 A# c: } - (progn (setq e (entlast)) Z" k( e1 M9 W6 v
- (command "cone" (list (car ptStart) (+ (cadr ptStart) threadpitch) (caddr ptStart)) "d" radmid "a" (list (car ptStart) (+ (+ (cadr ptStart) (/ radmid 2)) threadpitch) (caddr ptStart)))
9 A% W8 L! Q$ {( C) s- P" [ - (command "union" "l" e "")) [$ k u2 K5 B$ z6 }' S
- )
V9 ^& h; z+ G' l: ^ - )7 l" @' v1 L* ?- E3 |9 ^: e& O/ I. J
3 t' M1 S4 r* c1 g+ |- (command "slice" "l" "" "zx" pttmp11 pttmp12)% e& {- V4 b3 \/ L
- (command "slice" "l" "" "zx" pttmp12 pttmp11)) D% K/ w- Q G2 q
- (command "move" "l" "" ptStart (list (car ptStart) (- (cadr ptStart) threadpitch) (caddr ptStart))) 7 g) Z3 h& y( N0 i! g2 q( E& }
- 8 C4 G% b2 ^- C' H6 B$ z5 W& l/ {
- ; 创建最小直径的圆柱体，然后与螺旋作交集
3 b; z& l0 i u0 f9 r3 L5 h - (setq e (entlast))) M' Z& g, u# g% u/ [9 \
- (command "cylinder" ptStart "d" radinner "c" (list (car ptStart) (+ (cadr ptStart) (abs threadlength)) (caddr ptStart)))2 n2 A9 f, s" T4 K. ~
- (command "union" "l" e "")6 c$ I5 r3 S7 z3 j( e, [# X6 a
- (setq tstmp (entlast))
# N5 i" c: d/ H. ~
8 T* `( k6 N/ W- ; 创建中空的圆柱体
8 s) J- v' n s - (command "cylinder" ptStart "d" radmid "c" (list (car ptStart) (+ (cadr ptStart) (abs threadlength)) (caddr ptStart))) ; minor dia* L# W& f( B) H* G) l; V, g( Y
- (setq e (entlast))5 h7 m+ i' N- i1 @
8 V" Z8 @, Z3 m# g9 ?1 ]- ; 若最后创建45度的圆锥6 c9 g9 _9 L( _$ a* V z
- (if (/= endcone "order")3 L, h7 l/ l7 S. @( G& ?) K- }$ N
- (progn (command "move" "l" "" ptStart (list (car ptStart) (- (cadr ptStart) (/ (- radmid radinner) 2)) (caddr ptStart)))
1 p5 \: m, M1 }1 o - (command "cone" ptStart "d" radmid "a" (list (car ptStart) (+ (cadr ptStart) (/ radmid 2)) (caddr ptStart)))
x$ ^( `9 ]5 q& k( d - (command "move" "l" "" ptStart (list (car ptStart) (- (+ (cadr ptStart) (abs threadlength)) (/ (- radmid radinner) 2)) (caddr ptStart)))
6 |4 g1 P- J$ T# n - (command "union" "l" e "") / h ?# i9 O3 _: {& a1 r
- (setq e (entlast))/ e% z" K0 f- y w
- )
2 s7 X) B9 T9 D7 C- Q - )
- ^$ J7 W/ o$ o. G) k2 V
- V* s- |! } @5 n- ; 从大圆柱中减去小直径圆柱) F0 f/ _, B0 v n
- (command "cylinder" ptStart "d" (* radmid 1.5) "c" (list (car ptStart) (+ (cadr ptStart) (abs threadlength)) (caddr ptStart)))/ |4 d) [) f5 K
- (command "subtract" "l" "" e "")3 n, |6 J% K: ?; m8 g7 P
- (setq e (entlast))5 O4 c/ D- E& b4 W# d
& Y+ t0 }. i, I+ Z: q- ; 从螺旋中减去圆柱
% }* q2 [) i8 c. B l( j V - (command "subtract" tstmp "" e "")
: ?: F% i' C. X% l5 g% h: d8 m
9 I. _2 x& z% e- O) |. A- ; 如果螺旋长度为负然后镜像' [2 W( U7 ~+ E4 r I
- (setq e (entlast))
( S4 V( G9 D3 Y8 K* P% h - (if (< threadlength 0) (mirror3d e "zx" ptStart "y"))
% K) N# Y5 ?1 H5 k3 S
+ o% i* u& ^% \- (command "zoom" "p")
1 L3 N8 r7 J6 [. p! _0 }. X - ; (command "undo" "end") ; 结束undo步骤' K, C6 q" [* s# ^$ R
- )
7 r: g9 g; u- N! A* ?0 q9 u ^ - 4 p0 z/ m5 E$ h! Z
- ;;;---------------------------------------------------------------------------------------------------------------------;
: C8 t5 G2 b$ w# X) T - (arxload "geom3d" nil). J' S. B3 ?* y* o _5 N
- (princ ": L0 |$ P9 ?, u& ?+ C8 J7 r
- 3DThread 已加载。 ")
1 L( b" e6 V# B, E4 r2 E2 X - (princ)
2 L6 x: |; W6 n6 s7 _4 ?- }
. L2 U# Y% c9 {/ l+ _2 ]
6 C1 e) v7 ?/ ]& c( C" D" T: Z
三、弹簧源程序" `7 l% |3 Y8 \' x1 |( i* d+ O, ^" v
- (defun errMsg (s) ; 当命令执行时出现错误
4 L6 I- _6 G$ V) s( e5 O! A4 F - ; 例如用户按下了CTRL + C
& g1 Q5 m9 a* D - (if (/= s "Function cancelled")% a4 ?$ ~$ M0 F" d7 }1 O: Y
- (princ (strcat "
1 R) C/ x- ~, W2 a3 A+ B$ a$ l - Error: " s))
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- (setvar "cmdecho" cmdch) ; 恢复调用前的cmdecho系统变量值
* v0 y \+ c; m2 u5 G* l - (setvar "blipmode" blpmd) ; 恢复调用前的blipmode系统变量值0 p( e6 ?" n0 K( @: i, K5 b3 g0 V K7 E
- (setq *error* olderror) ; 恢复旧的错误处理0 w4 C6 U7 D/ s+ S) M
- (princ)
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- & k: T9 n2 L4 f
- (defun spring (nRepeat cntPoint bhfac lr strad bvfac* m( H- {+ y" P1 m5 r" O. e; t" b* y
- / angle distnc tp aGrw dhGrw dvGrw Pi2 dv)
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m; v. r) n) [- C- (setvar "blipmode" 0) ; 关闭 blipmode
3 O7 b6 p0 |' Z! X% V1 v, x - (setvar "cmdecho" 0) ; 关闭 cmdecho* v' ]6 `! B) P) n! U+ B' r
- (setq Pi2 (* 3.14159265 2))
% I- t- H C( a G8 _3 j8 f - (setq aGrw (/ Pi2 lr))
- k' L" A3 \' O4 |& H1 t+ B9 @4 j# ~ - (setq dhGrw (/ bhfac lr))
5 ]# j" Y3 c G( g* R - (if bvfac (setq dvGrw (/ bvfac lr)))
6 s9 C& y1 Y- j8 s$ w% ]$ q9 Z - (setq angle 0.0)
) } j: r* I- _( K/ a9 s8 _ - (if bvfac
# L3 B# O4 R$ R* C - (setq distnc strad dv 0.0)
8 C5 J9 x+ C7 W" c" N - (setq distnc 0.0)
9 s# `* K9 b$ I1 N - ): z. Y" j2 \& V t8 F
- (if bvfac
4 l4 X- p) C X' W( O - (command "3dpoly") ; 开始绘制弹簧: S& y) N/ V4 ~# e! i8 D$ T
- (command "pline" cntPoint) ; 从基点开始绘制弹簧
* B% x9 Z, Z6 s5 N - )4 _4 J8 |/ ?$ l# @
- (repeat nRepeat
' h3 b% V; c. l6 h8 l - (repeat lr
2 l+ E, S2 d% s* E' U$ R - (setq tp (polar cntPoint (setq angle (+ angle aGrw))
; |3 N5 t8 M7 E& H- D - (setq distnc (+ distnc dhGrw))8 d& F8 t& i, |' x2 I, q
- )+ E# H1 {7 y$ w8 w
- )
2 T3 t: t3 a) V. e U$ m* @ - (if bvfac
: Y! O; r, l+ H% p: ? - (setq tp (list (car tp) (cadr tp) (+ dv (caddr tp)))
5 a3 B' e+ X% Q4 j5 e$ P$ G - dv (+ dv dvGrw)# I" |2 I2 s" P
- )
* S! Y. q) B: k2 [9 S" b - )
" u% _; r( R+ k7 `( ^1 x - (command tp) ; 继续输入下一点+ {) m ~# D) `% c0 u# L2 V8 `
- )
# r; D+ _5 k& A3 V l: o- Z1 W - ) / U6 y( z% q9 _+ Y2 H' l$ o8 Y9 R6 }
- (command "") ; 输入结束
0 y' m9 B& ]/ q8 V" m - (princ)7 g1 y+ M; O( ~8 r1 v! L1 o
- ) ! r: [4 k* e" @! w0 W7 r& Y
) N0 N2 k1 D. |$ X5 w( d% @- ;;;) |2 W0 r9 t7 ^: y
- ;;; 生成三维弹簧函数调用接口' L5 A* l( N w; V+ h D
- ;;;8 J# z9 Q) A) [) n, K* R1 f
5 ~2 @; ]# ?% z+ {- (defun C:3DSPRING (/ olderror cmdch blpmd cntPt RottCnt horiGrw vertGrw bgnRdtn ptCntPerCircle)
" U, P9 ~1 R$ E, f2 M2 E - (setq cmdch (getvar "cmdecho")) ; 获取cmdecho值，以便调用结束后恢复
* b0 _& V3 m6 ^2 J. T. n0 C - (setq blpmd (getvar "blipmode")) ; 获取blipmode值，以便调用结束后恢复
& T: k* E6 [( c+ `& H - (setvar "cmdecho" 0) ; 关闭 cmdecho
" |1 @) i7 B9 H0 U# U5 `3 H( K+ Z - (initget 1) ; cntPt 必须非空
8 ]% d2 z( F* B# `2 M! L8 y4 ] - (setq cntPt (getpoint "* a( i+ j: g( Y# H1 k$ S: K
- 请输入底部中心点: "))9 |* p7 k/ e' h- O: M6 o9 s
- (initget 7) ; RottCnt 必须非零、非空,不可忽略
) j1 d3 T; s; y+ B - (setq RottCnt (getint "' S" A; l. x% |5 P
- 旋转的圈数: "))! h, W* W0 L6 h, ~7 r# M8 w5 b
- (initget 7) ; bgnRdtn 必须非零、非空,不可忽略0 l* U! S7 S7 G$ N+ J1 V
- (setq bgnRdtn (getdist cntPt "
. q( J% p( h. Z+ p: y! h: L0 q - 起始半径: "))# G# ~' y |* C2 N0 x$ d1 D
- (initget 1) ; cf 必须非零、非空; M, ?0 N8 A8 m' b# l
- (setq horiGrw (getdist "- ^: N' I/ i! I3 r9 E
- 每一圈的水平增长距离: "))
2 B7 l, y: G, e8 E- p# n - (initget 3) ; cf 必须非零、非空
! E- n, @: m: {$ N - (setq vertGrw (getdist "8 ?# O6 {' p {; o/ k
- 每一圈的垂直增长距离: "))* V! D5 e# {- Z; d0 L5 ~
- (initget 6) ; ptCntPerCircle 必须非零、不可忽略7 x# R: J! `! P) l! D
- (setq ptCntPerCircle (getint "
: Y% D U9 S. d& k4 s. O3 n. f: V - 每一圈的插值点数<35>: "))" U$ i5 l2 z Y% b0 p
- (cond ((null ptCntPerCircle) (setq ptCntPerCircle 35))) 1 W& y2 |* d. [/ O2 Z, i
- (spring RottCnt cntPt horiGrw ptCntPerCircle bgnRdtn vertGrw), z+ r: {' d: J" s. k: R7 U8 u+ B
- (setvar "cmdecho" cmdch) ; 恢复调用前的cmdecho系统变量值: ]; Q. g: }- @+ A
- (setvar "blipmode" blpmd) ; 恢复调用前的blipmode系统变量值) E) ]4 n; s" `8 m
- (setq *error* olderror) ; Restore old *error* handler
8 E' w$ |. @5 r7 K2 K, s" D - (princ)
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发表于 2006-4-14 13:10
发表于 2006-5-5 10:43
