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* k% h% r1 h+ {: ]9 m, A; j
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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：' i3 ?5 D8 q% _& J
一、齿轮轮齿渐开渐开线
0 @0 ?4 I. c% [- `; P* M, J% E. o
/ a' `( w/ j m. o: k2 W! V! C8 T- (defun c:gear(/)
3 l/ f" ?; P: r) o - (
/ A! f" T0 o9 E% g+ C( s - setq
! A* n' y1 _7 l* y& f$ R - p0 (getpoint"输入齿轮中心p0: ")
: F3 i. q4 N* O6 e$ Z - m (getreal"输入齿轮模数M: ")
' E/ Y2 O4 W! M; W- ? - z (getint"输入齿轮齿数Z: ")- _ t& i" c9 P; _
- ha 16 P6 b1 c7 S, e0 i, W; k b
- c 0.25
6 C, x; X7 ^8 P+ m) R+ P) B - a (/ pi 9)
* M( G. g4 s9 { - ra(/ (* (+ z (+ ha ha)) m) 2)% U6 }* a" X i6 ~# j
- rf(/ (* (- z (+ (+ ha ha) c)) m) 2)6 J/ A6 ]( Q, M4 J% o
- r(/ ( * m z) 2)" H3 K1 t: k7 B/ _4 P& x( [
- rb ( * r (cos a))9 r8 d; ]" v! ?
- ri rb
( s- V0 A7 i" P7 ? - ang 0* O/ l5 ?! u7 k! L( R& F
- g (polar p0 ang rb)
' K& v" w1 N8 b* x) f4 q - )$ K% {9 D& ?4 @. H( j) g. q
- (command "circle" p0 ra)4 {$ q5 E4 Z) n
- (command "circle" p0 rf)
3 @/ ?- U' k% ?# F4 v8 Z! k - (command "circle" p0 r)
% G* X6 t: P" ]! L n: M+ C - (command "line" g)
5 Z0 `) Y5 L( Y - ) ? d; ?* a8 x& f5 c, e+ E
- (while (< ri ra)' S3 h; U) F0 W& m( |+ D
- (setq' G" ]( Z2 a! z# c
- ang ( + ang(/ pi 360))
, g, Z6 K7 P( m: k1 p, {3 w - ri ( / rb (cos ang))! T3 h4 O% Q2 O/ I- ~; }2 v
- cta ( - (/ (sin ang) (cos ang)) ang)
3 O/ B! r1 G2 G$ Q& B) x2 z* r - g(polar p0 cta ri). B% k5 r: e7 e4 K
- )6 S$ N3 u' @9 t* ~5 s
- 4 g f$ r' w: C; F0 A0 g/ g& O
- (command g)
( y) J, \" s( `& Z9 b$ P1 @ - )
. U) E* i! _/ p. _/ R - (command )
/ K+ z. L; z5 U' E6 \! X7 V - )
6 Y/ J6 c) ]) z# M$ h' ^6 n# h
9 ^, Z7 [! T: ^1 x; s$ C# l, l1 c
二、螺旋源程序% W& {& d& y) z- a) z7 ]4 I0 o
: K c/ X$ @* r, z
- (defun errMsg (s)
' ?: r3 V: |* `9 D3 ` - (if (/= s "function cancelled") (princ (strcat "1 Z* K Z( E$ F
- Error: " s)))
* ^! j. v! K4 ^, x m0 J: J - ; 当命令执行时出现错误
: g! ` m$ |/ h7 W" { - (setvar "cmdecho" ocmdold) ; 例如用户按下了CTRL + C4 f+ e2 y. v9 U) [
- (setvar "osmode" osmold)+ w# }" x1 F+ h A% l; |
- (setq *error* olderr) ; 恢复旧的错误处理
* ?# Q8 S" f9 Z' ^" B8 `0 |; T - (princ)
$ `2 g/ G, j# B1 O% J. d) ~ - )- Z, h* K) o& G: ~
- + v: F$ a9 p! i6 ]8 B% N/ @( ~
- (defun c:3Dthread (/ radouter threadpitch threadlength threadangle 3 i& C3 @. q# d1 W* w5 F# J% \
- ptStart innerdiafactor radmid radinner ocmdold osmold 4H 5H 6H h6 g6)+ a% g1 {; @& S/ T+ H& p
- ;-------------------------------------------------------------------
% m' l& X% p9 {7 G8 u - ; 获取公制外径大小、螺距总长
0 W. R l4 B* C* _ }! K' g5 a - ; 然后计算一系列几何点
* R; S! b& k5 X6 x. \ - ; 并且关闭对象捕捉、命令回显% Z O2 g4 Y( o. M
- ;-------------------------------------------------------------------; |* X$ Q4 y0 L" V) N5 J- `; ]
- (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)) D" Z; s6 z1 b" G& Y
- (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))
$ I9 L$ Q9 W) F+ L: v - (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)) # T) e: O+ d3 Z4 t
- (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)) ( K- z% {" Y6 t! \' ?/ w
- (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)) 4 f/ Q, F# ~! ]" x$ p/ @
- 2 Z' C$ V5 V5 M& y) z% h
- (setq osmold (getvar "osmode")) ; 保存调用前的osmode系统变量值
- b, X2 R0 }$ m0 R5 j; @ - (setq ocmdold (getvar "cmdecho")) ; 保存调用前的cmdecho系统变量值
7 }# S6 t& U' l+ | - (setvar "osmode" 0) ; 关闭对象捕捉 + v, J. Q0 o8 R; ?. P
- (setvar "cmdecho" 0) ; 关闭命令的回显
( }; i0 l; O3 r: F- k% \8 S/ U& k - K' G; l) _! ^5 k( \
- (setq innerdiafactor 1.5) ; 设置内径系数& y: T' o7 ] Y
- (initget 7) ; radmid 必须非零、非空、非负5 B# Q" \8 W( G. d5 x3 W" {( C9 M* B
- (setq radmid (getdist " u+ f* E; K0 v# Z% x' O# E6 Y
- 公制外径: "))
F9 Q3 h; E& h4 j - (initget 7) ; threadpitch 必须非零、非空、非负! ]" \' S- g7 J. M; d; w
- (setq threadpitch (getreal "
' y8 Z2 \" m6 d' ]4 Z( I/ E - 螺距: "))) l% c- K! N( R9 w e6 ]
- (initget 1) ; ptStart 必须非空4 Y9 w; Z6 W# `8 S9 z
- (setq ptStart (getpoint "
6 ~' w- v; h. Y - 起始点: "))
0 m9 ]1 k3 Z/ }% h. h% K( d - (initget 3) ; threadlength 必须非零、非空、非负
: q4 f6 I$ d) ~6 I. t - (setq threadlength (getdist ", a) @5 s6 |! ~ O" j, Y0 `( V
- 螺纹总长(Y方向): "))/ X: J% I" P( V. e- ^6 h
" L1 r2 p) S$ H1 T# p& T: c- ; 对公制外径添加公差" G7 \. F; h: q
- (if (<= radmid 3) (setq order 0) ; 根据公制外径确定公差带中位置
" \/ Z) D( S! J - (if (<= radmid 6) (setq order 1)
+ G- ?" {4 [5 _* N; L8 [( j. Z - (if (<= radmid 10) (setq order 2)/ p3 v7 P5 X* k4 H3 p
- (if (<= radmid 18) (setq order 3)
% y/ u6 a) w9 U/ j - (if (<= radmid 30) (setq order 4)
0 \* z2 q5 O) z6 @/ r7 U - (if (<= radmid 50) (setq order 5)
1 }4 y h' Q2 e E# e9 _ l - (if (<= radmid 80) (setq order 6)
$ T4 z* t9 L7 V2 o& }' r. x7 l - (if (<= radmid 120) (setq order 7)
' p: ?/ J& ?2 p+ q* E - (if (<= radmid 180) (setq order 8): ]3 }- s8 \ ]8 A6 f; v) B% y
- (if (<= radmid 250) (setq order 9): |# e' {3 b# P) K8 b5 t U3 U
- (if (<= radmid 315) (setq order 10)
% r6 H% a, t0 m4 R- \ - (if (<= radmid 400) (setq order 11)
R- `8 ?( ^( O6 q/ C! V - (if (<= radmid 500) (setq order 12)
' e5 O+ H+ ^/ i- ], j0 C7 V - )))))))))))))* i' U6 j0 E: ^2 p ^9 C# F
" N7 f* ]( O- ^8 |- (if (< threadpitch 0.25) (setq radmid (+ radmid (nth order 4H))) ; 根据螺距确定公差带
& p% N+ Q9 R0 X - (if (< threadpitch 0.35) (setq radmid (+ radmid (nth order 5H)))
$ f/ m/ h6 c; r) h( N. i% | - (if (>= threadpitch 0.35) (setq radmid (+ radmid (nth order 6H)))5 R7 Q9 X, P* v! _! G: D
- )))
. {# z" w* h8 L7 Z0 w - + S% K' e8 i' A
- (setq h (* 0.866025 threadpitch)) ; 计算齿高
# w' T ]( u( O% o - (setq radouter (+ radmid (/ h 4))) ; 计算外径0 P9 i+ {0 A2 U2 ?, S. Y6 R, r
- (setq radinner (- radouter (* h innerdiafactor))) ; 计算内径' m" @: P% S7 U" b) i6 d$ ?
- (setq threadangle (+ 30 0)) ; 计算齿顶角 Q d4 \6 n, B$ B2 N
- " ]4 [5 T- t- S$ w% t2 ?# h- A
- (auxithread radouter radmid radinner threadpitch threadlength threadangle ptStart) ; 调用绘制三维螺纹的子函数' d0 I- a3 a8 q& b+ S
r! [+ p4 N$ _9 ?) p- (princ "
) q; w, l& |; ?& ~9 f - 三维螺纹创建完成")
8 \4 S" Z, q1 [: o8 Q - (setvar "osmode" osmold) ; 恢复调用前的osmode系统变量值
h7 `4 ^. K5 l" h# m6 _ - (setvar "cmdecho" ocmdold) ; 恢复调用前的cmdecho系统变量值
( v8 k# L+ C# \3 q; z" s ~ - (princ)
; h5 k- X k4 ? - )) m9 ?) k# {& w3 `! j. C
& {3 u, J1 \% v/ g' P- (defun auxithread (radouter radmid radinner threadpitch threadlength threadangle ptStart / ttal pt1z ang pt1a
* Q! a! `+ [$ Y+ a0 V: i - pt1az pt3a pt1b pt1bz pt3b pttmp1 pttmp2 pttmp3 pttmp4 pttmp5 pttmp6 pttmp7 pttmp8 pttmp9 pttmp10 pttmp11 pttmp12 tstmp startcone endcone)
9 h# r5 u6 a7 Z( |
& V# o; S$ v+ J) m5 V- E* K, K- ;(command "undo" "begin") ; 开始undo步骤5 q. @7 ~4 r2 T
, c& W2 P5 Z" R6 b- (setq ttal (+ (fix (/ (abs threadlength) threadpitch)) 3)
; d! ]$ {8 ~; @- R7 j - pttmp1 (list (- (car ptStart) (/ radouter 2.0)) (cadr ptStart) (caddr ptStart))* O7 f* K' u7 U& U' o! n
- pt1z (list (- (car ptStart) (/ radouter 2.0)) (cadr ptStart) (+ (caddr pttmp1) 1.0))* ]) G- g3 C0 h2 j* W9 D
- pttmp2 (polar pttmp1 (/ (* threadangle pi) 180.0) 1)
# `/ L0 Z. b# B+ v* k* `$ H - pttmp3 (list (+ (car pttmp1) radouter) (+ (cadr pttmp1) (/ threadpitch 2.0)) (caddr ptStart))
5 t0 R1 K6 f, P! E" Z& _ - ang (angle pttmp1 pttmp3)) K O5 i- X. R1 n1 n/ K
- pt1a (polar pttmp1 (+ ang (/ pi 2.0)) threadpitch)
7 {& e: Y y; \/ l0 _; s - pt1az (list (car pt1a) (cadr pt1a) (+ (caddr pt1a) 1.0))
0 O% R. f3 P* K w6 {5 b - pt3a (polar pt1a ang radouter)
' E' w$ k' T* {( V2 u" b8 m - pt1b (polar pttmp1 (- ang (/ pi 2.0)) threadpitch)% E+ @2 X* h! \& D* h6 D" p; p4 _: g
- pt1bz (list (car pt1b) (cadr pt1b) (+ (caddr pt1b) 1.0))
$ ^/ C. Y) a/ L - pt3b (polar pt1b ang radouter), C( X7 A- A f
- pttmp4 (polar pttmp3 (/ (* (- 180 threadangle) pi) 180.0) 1)
5 X, ^. g% m) F& F - pttmp5 (inters pttmp1 pttmp2 pttmp3 pttmp4 nil)5 R _2 S0 |* g+ k x
- pttmp6 (list (car pttmp5) (cadr ptStart) (caddr ptStart))- |6 M0 N: U- h/ M y1 z$ T, |# ~
- pttmp7 (polar pttmp1 (/ (* (- 360 threadangle) pi) 180.0) 1)
8 C( T; N/ q+ e( P# v9 ~% u) ] R3 J4 [ - pttmp8 (polar pttmp3 (/ (* (+ 180 threadangle) pi) 180.0) 1)
6 I' b z2 m. M% Y( E! h - pttmp9 (inters pttmp1 pttmp7 pttmp3 pttmp8 nil)' ~ _9 s0 @0 y0 {. f! c
- pttmp10 (list (car pttmp9) (cadr pttmp3) (caddr pttmp3))
0 j7 T8 I8 W7 E X - pttmp11 (polar ptStart (/ pi 2.0) threadpitch)
$ L' N3 @2 Z" F+ ~/ L% Q) c - pttmp12 (polar pttmp11 (/ pi 2.0) (abs threadlength))% Y# _8 b2 Y/ G1 ?: S
- )
) w6 W2 h$ m5 n# G; \( ^0 ~ - % D" }! b2 ^9 F! k) v
- ;-------------------------------------------------------------------
' m( M6 c8 R: g! D# I - ; 绘制两个倒置的并偏移1/2螺距的圆锥
+ n4 G& }( P, s' o- [ - ; 这两个圆锥都以中剖面剖分
: m: b9 o( M/ k! @: a4 F - ; 进行并集运算+ W% [; d% ~: T8 ~8 |# \
- ;-------------------------------------------------------------------
8 L P D6 h5 A - 7 u/ ^$ V( [: L1 ^- {
- (SETQ startcone "order")1 i& s/ B- `6 {
- (SETQ endcone "Y")1 @2 b' X* ?0 v/ B4 \9 b) Q
- (command "zoom" "w" (list (car pt1a) (+ (cadr pt1a) (abs threadlength)) (caddr pt1a)) pt3b)
- Q9 b2 L0 e% }' n/ |
& P* r! x, |& w L. y; L: ^- (princ "
; C# e! M N- }7 P( \% k; `8 m/ V3 @ - 正在绘制三维螺纹，请等待")
! {& b6 R* r% { - (command "pline" pttmp1 pttmp5 pttmp6 "c")
" m, \6 a6 m% A4 M: S - (command "revolve" "l" "" pttmp5 pttmp6 ""), p/ F+ S0 J! h v& M. u
- (command "slice" "l" "" pttmp1 pttmp3 pt1z pttmp5)
& V- w5 n$ P" l - (command "slice" "l" "" pt1a pt3a pt1az pttmp3)
0 W3 X: d6 ]5 X - (setq tstmp (ssadd (entlast)))
" m$ ~& _1 O- q - (command "pline" pttmp3 pttmp9 pttmp10 "c")8 e$ I" s$ a( z
- (command "revolve" "l" "" pttmp9 pttmp10 "")% G: v; _4 w/ A% j4 P4 ~ {; ~
- (command "slice" "l" "" pttmp1 pttmp3 pt1z pttmp9)+ K$ K" R6 @( U9 x+ Z
- (command "slice" "l" "" pt1b pt3b pt1bz pttmp3)
. a7 ]% \2 f! p4 E - (setq tstmp (ssadd (entlast) tstmp))
" C& D& i$ u- g1 ?$ F$ U - (command "union" tstmp "")3 R% t; z. x q8 }7 R4 ?
- n6 f& Y! v/ n3 Z
- ;-------------------------------------------------------------------
; M0 x1 C9 ~) W/ n - ; 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
- n9 [0 T% E8 A4 { - ; 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
/ r) H, q; ]( u7 A. G+ H+ E1 P - ; 在最后一步被切除$ @- b& N+ O' J; p; _: t6 o
- ;-------------------------------------------------------------------
5 ?; j% G$ z4 M; b% n/ W; p
/ I3 [* m {) i. ?+ M- (command "slice" tstmp "" "xy" ptStart "b")
* @6 d; M6 f& Z6 {" ?$ d! R' N3 ^# u5 N - (setq tstmp (ssadd (entlast) tstmp)), |# w* f$ P* K1 b6 S& x1 v. i
- (command "mirror" "l" "" pttmp1 "@10<0" "y")9 W6 L- M: s3 D, e; ~7 ]- }2 J
- (command "union" tstmp "")- a$ M" i |( F& l+ l& A
- 1 l2 g$ s6 t+ K% X/ W- g
- ;-------------------------------------------------------------------4 P! s t+ }! j
- ; 螺旋进行阵列操作，然后再作并集（可能会耗费一定时间）( \* M: [: ^1 ~; d# Z
- ; 得到的实体再切除到指定的螺旋高度1 n$ I, X) F8 W1 m; K9 L/ I
- ;-------------------------------------------------------------------
# Z( J( U: r3 s& I, [5 I* h
4 v: Z' o$ t# @2 _+ _/ o7 V- (setq e (entlast))
" \" x1 h7 d! o0 F2 ?+ A0 V - (command "array" tstmp "" "r" ttal 1 threadpitch)1 b% b* A, B$ J5 n: x
- (repeat (1- ttal)
! L0 `! z9 }! F8 {9 A% h - (setq e (entnext e)8 w9 J& z/ C! w! P% z: T3 L
- tstmp (ssadd e tstmp)+ {, C3 _* a( Z
- )8 @2 _6 G- h& E/ K7 ]
- ); k# A( c4 B2 D+ G
- (command "union" tstmp "")3 U+ R% r% S4 f+ v0 m/ o" K% i
- r G+ z7 T: L" F) w4 Z! `
- ; 若开始创建45度的圆锥
1 l E6 ]# @/ n - (if (/= startcone "order")# p3 V2 k. R. w% h' K" Z3 ]
- (progn (setq e (entlast))
/ N+ ?" G6 l) O" i) K1 D7 y+ {. A - (command "cone" (list (car ptStart) (+ (cadr ptStart) threadpitch) (caddr ptStart)) "d" radmid "a" (list (car ptStart) (+ (+ (cadr ptStart) (/ radmid 2)) threadpitch) (caddr ptStart)))
. e- }# g& P7 S+ p- l3 `" O - (command "union" "l" e "")
$ R) A2 n. o' g& u+ q8 s" @ - )
+ b" @3 p! v3 i$ V8 \) f3 Y - )/ J j3 ]$ C. {* X& }
, N/ A/ T1 _% J! S( ^- (command "slice" "l" "" "zx" pttmp11 pttmp12)
. P2 L& J; w7 X& u& t - (command "slice" "l" "" "zx" pttmp12 pttmp11)/ B- a/ Z n3 P0 w
- (command "move" "l" "" ptStart (list (car ptStart) (- (cadr ptStart) threadpitch) (caddr ptStart))) $ }5 I% @) `) Z5 _% l
- " A7 k) ^0 @2 p
- ; 创建最小直径的圆柱体，然后与螺旋作交集
: }& g q% n) D/ U- U$ \ - (setq e (entlast))
, ~. _& a9 v) i/ t7 }$ G - (command "cylinder" ptStart "d" radinner "c" (list (car ptStart) (+ (cadr ptStart) (abs threadlength)) (caddr ptStart)))5 N/ N& F" T. |+ q+ a% a% M
- (command "union" "l" e "")
1 H3 T5 ]$ G2 x" i0 A6 |+ y - (setq tstmp (entlast)), u) s# b. j4 [" C
) C8 l' R' M( K K* t' s. r V/ h- ; 创建中空的圆柱体; g- Y+ X; q1 G* Y4 X3 K$ ]
- (command "cylinder" ptStart "d" radmid "c" (list (car ptStart) (+ (cadr ptStart) (abs threadlength)) (caddr ptStart))) ; minor dia
" e. \/ E# h0 w5 E4 y( I0 v - (setq e (entlast))8 T _, |' E6 I p
- ! S- J" s/ ^- [2 X+ G# J
- ; 若最后创建45度的圆锥6 d6 j: Y& J. ]2 R4 {( X
- (if (/= endcone "order")
: x/ M+ J- _- R7 N - (progn (command "move" "l" "" ptStart (list (car ptStart) (- (cadr ptStart) (/ (- radmid radinner) 2)) (caddr ptStart)))
. A( e% ~0 X y- A - (command "cone" ptStart "d" radmid "a" (list (car ptStart) (+ (cadr ptStart) (/ radmid 2)) (caddr ptStart)))
# z) ^, L" [, A- R S# r - (command "move" "l" "" ptStart (list (car ptStart) (- (+ (cadr ptStart) (abs threadlength)) (/ (- radmid radinner) 2)) (caddr ptStart)))1 j% y! s) ^0 z% C8 e
- (command "union" "l" e "")
Y1 o1 f7 r: M- F0 h* l - (setq e (entlast))
$ \- C. D9 \- [0 Q/ ` - )
+ [7 }5 F& f# @! Z v' N! Z# ? - )
' ?/ n( W% n# z - ! y' l( P3 E) J, g3 x
- ; 从大圆柱中减去小直径圆柱" V2 V4 b& U3 {. P
- (command "cylinder" ptStart "d" (* radmid 1.5) "c" (list (car ptStart) (+ (cadr ptStart) (abs threadlength)) (caddr ptStart)))/ R8 o. N0 M2 l5 Z b: W' B! p! u0 x
- (command "subtract" "l" "" e "")
( ^& C9 m/ B# a - (setq e (entlast))# X0 i' C! H& |4 {3 J
- " ] c1 ~& D4 L8 U1 Y
- ; 从螺旋中减去圆柱
+ H R$ J1 a7 } q2 Y0 M - (command "subtract" tstmp "" e "")
# q7 ]; p' F& J& V& `( o - 2 u) X9 {% _3 H
- ; 如果螺旋长度为负然后镜像
' D+ s6 D" I1 o( U - (setq e (entlast)); v$ {: Z& B! P' x) T* y
- (if (< threadlength 0) (mirror3d e "zx" ptStart "y"))8 Y1 m A$ i4 w( y" ]1 l" J2 W
- / t( w. b3 E; U+ ]2 m
- (command "zoom" "p")" c/ H+ D; x8 g' ~( {
- ; (command "undo" "end") ; 结束undo步骤& Q* \0 W+ D- o# x/ z$ {
- )
3 P. m. N" c) \. [4 R
7 Q; q: U/ L- a( Y/ ~- ;;;---------------------------------------------------------------------------------------------------------------------;
5 t$ U) W( B4 i! a1 d - (arxload "geom3d" nil)
4 o+ n& c( C2 V - (princ "0 K* F0 s' D: t% m7 R
- 3DThread 已加载。 ")
6 |5 }! A Q7 ?1 x$ }. w - (princ)
2 z4 H R+ d5 m1 [$ w1 Y2 r
! g4 B( K; I J" }; s3 f3 K, l4 J y) ?/ w- E; e) g+ u! w
/ |& w8 L0 _: P7 S% a4 l1 A三、弹簧源程序
9 E) F4 J% H/ X9 w" Z- (defun errMsg (s) ; 当命令执行时出现错误
# d3 e, S- r! s2 B. I - ; 例如用户按下了CTRL + C7 k0 h0 g, {$ y* a* a. T
- (if (/= s "Function cancelled")
) z( ?) y" x$ D( p - (princ (strcat "" C' q$ U" l1 J/ ?4 i( w1 l9 [8 a
- Error: " s)) |5 n8 \( g6 r' q3 O
- )$ Y' y7 q8 I8 B2 M0 A. _
- (setvar "cmdecho" cmdch) ; 恢复调用前的cmdecho系统变量值7 G, e" q" w9 B
- (setvar "blipmode" blpmd) ; 恢复调用前的blipmode系统变量值
1 k0 u# ]" `" m2 K( p! n! n - (setq *error* olderror) ; 恢复旧的错误处理% _, [; Y! s7 ^; y' B5 E: w
- (princ)
# i6 \2 u- W7 [0 ?! v: o- y4 L6 Y - )4 O; ]1 |0 `9 M- i3 Q
% ?3 K) `. w* g$ m# y1 H- (defun spring (nRepeat cntPoint bhfac lr strad bvfac: E3 e9 K5 J6 U, L _" h
- / angle distnc tp aGrw dhGrw dvGrw Pi2 dv). ?' M l% M+ K- P5 n* M: [$ m
1 V% d' }) p7 }8 {- (setvar "blipmode" 0) ; 关闭 blipmode
% Y$ A- \# G" u4 d. m) P - (setvar "cmdecho" 0) ; 关闭 cmdecho) I+ I# S' d6 s7 o7 _" q% \
- (setq Pi2 (* 3.14159265 2))9 C5 N3 R: d7 q4 I _' M
- (setq aGrw (/ Pi2 lr))
" M- M3 P( I U- h - (setq dhGrw (/ bhfac lr))
, k5 a* Y! a8 {1 Z - (if bvfac (setq dvGrw (/ bvfac lr))): _' I, y# h B- B% m+ ~9 n
- (setq angle 0.0)
9 X: P+ g* s4 Q - (if bvfac
/ T" E E. m, [ - (setq distnc strad dv 0.0)& j5 o$ w, J% f- v
- (setq distnc 0.0)4 @2 o% J* x' e& {8 V2 A' `# d, l {
- )
& f$ }! i \) m8 P - (if bvfac " [1 \- Q3 G. l. P( `
- (command "3dpoly") ; 开始绘制弹簧
' ]; X8 P4 U3 a: B) o+ i- g9 v. Q' z - (command "pline" cntPoint) ; 从基点开始绘制弹簧9 G5 R$ C4 ^- b
- )
! d* m0 [% i2 I - (repeat nRepeat ( g2 b6 b) z Z) n; R5 g& P
- (repeat lr
( S8 e6 H! u( J# P- ^" I7 H - (setq tp (polar cntPoint (setq angle (+ angle aGrw))/ F- w% H* i* n! Y$ \" h ]' a
- (setq distnc (+ distnc dhGrw))
' d0 b+ i- h5 Y C1 G- \( X - )& b8 e& x9 `- n$ V3 [1 @ B/ W% b4 x
- )
2 r1 j: o2 }2 U; T: j - (if bvfac6 _$ V: C' }% `8 g3 Z- N
- (setq tp (list (car tp) (cadr tp) (+ dv (caddr tp)))& H3 a7 ]) S7 ?7 k- ]6 r5 z
- dv (+ dv dvGrw)$ v- N3 }9 u4 r& t3 A: [* D
- )
- e- K5 F2 r8 p) E& Q - )
D& G: L4 {* ?% [5 j& O: p - (command tp) ; 继续输入下一点
: X1 [; p& u' J - )
; c8 r# [9 l2 }9 ? - )
! \! M5 w1 B8 z4 }9 |, q5 X! H - (command "") ; 输入结束, s; c6 }$ c. [% z) X* Q
- (princ)
4 E2 z" L: V. M# `, a6 T9 y - ) 2 B( @. O* B8 n4 [. ~: W% O8 r
- ; C/ }8 Z7 G" h( [ V! S
- ;;;
6 P& d g4 o# B; u) {5 j8 }6 G$ @ - ;;; 生成三维弹簧函数调用接口1 |, J( ~) I- E {
- ;;;
0 X& n# c1 {& @& J - 6 H4 ^/ @/ X, X* g5 E9 [3 J! |. O
- (defun C:3DSPRING (/ olderror cmdch blpmd cntPt RottCnt horiGrw vertGrw bgnRdtn ptCntPerCircle)
0 }2 h( T; Q; ]8 P - (setq cmdch (getvar "cmdecho")) ; 获取cmdecho值，以便调用结束后恢复
( N9 o5 h0 Q+ c6 _( P& o- l( k - (setq blpmd (getvar "blipmode")) ; 获取blipmode值，以便调用结束后恢复
?: P) _$ s! T( P' `8 } - (setvar "cmdecho" 0) ; 关闭 cmdecho
' {& Q7 V9 e: M0 t4 W' i: x. E - (initget 1) ; cntPt 必须非空1 ~* |" y, f9 A; R* g, J! A0 ]- E) n9 v0 Y
- (setq cntPt (getpoint "3 P- h+ F* W+ k% w! R) r& J1 d
- 请输入底部中心点: "))
: x& e7 m0 N. X/ Z1 I- j2 t - (initget 7) ; RottCnt 必须非零、非空,不可忽略
5 k6 a! ]- |( g& D, V; s' V+ y - (setq RottCnt (getint "0 M. D5 }9 f- `
- 旋转的圈数: "))1 I9 N% h+ B9 W5 U/ P
- (initget 7) ; bgnRdtn 必须非零、非空,不可忽略) ~% y- d! e- ?9 c9 G1 ?0 ]
- (setq bgnRdtn (getdist cntPt "2 a$ e+ @9 D+ u
- 起始半径: "))
% O+ ]& p, ?) K3 ^, W0 R& Z - (initget 1) ; cf 必须非零、非空7 g& H. q7 U+ ^# g7 X! {
- (setq horiGrw (getdist "
; C3 J1 p, P/ }# M7 M: d$ }. k - 每一圈的水平增长距离: "))
. e: z) |. i2 B. E - (initget 3) ; cf 必须非零、非空+ Y8 s- m1 p9 p! |1 B$ L( Y
- (setq vertGrw (getdist "1 \% _9 S3 H* t+ k
- 每一圈的垂直增长距离: "))6 d& ?2 B5 m' m8 F2 {
- (initget 6) ; ptCntPerCircle 必须非零、不可忽略$ j+ u& {# b& H0 _ t5 Z
- (setq ptCntPerCircle (getint ", }$ u* W4 g" }% f6 j( ^9 X+ y( Q
- 每一圈的插值点数<35>: "))9 g: S% Z" p6 r+ e$ H& v
- (cond ((null ptCntPerCircle) (setq ptCntPerCircle 35))) ! R. O" r5 M6 D, b7 L4 {8 Q
- (spring RottCnt cntPt horiGrw ptCntPerCircle bgnRdtn vertGrw)
1 G* W( X. a+ q- Z P - (setvar "cmdecho" cmdch) ; 恢复调用前的cmdecho系统变量值2 Y W7 \% ~2 ~2 e9 E1 C
- (setvar "blipmode" blpmd) ; 恢复调用前的blipmode系统变量值3 r$ o b/ L+ W3 \* p4 q( @
- (setq *error* olderror) ; Restore old *error* handler% [1 a d( M: d) B
- (princ)3 C. e+ W3 `2 t$ @; }: U
- 0 s# g9 y9 r6 x" Y; U/ F1 }
- ) , ~7 { q" `6 L# Z) Q
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发表于 2006-4-14 13:10
发表于 2006-5-5 10:43
