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发表于 2008-5-10 20:16
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***************珍珠项链建模源代码********************+ P7 C: R5 U5 {7 H3 t+ @! W
$$佛珠
% J+ s: [" }) l" s8 L$ v/ G$$实体变量声明。* f2 z* [% X7 q' `( X
entity/pt(11) $$选择的点数' M8 c0 l9 g6 b/ C' z
entity/obj1,obj2,obj3,obj4
) A3 `2 w& X. n3 _: Q) I centity/mycolor% [5 s( I# u( D, g$ i# [; _$ m2 n
entity/results(1000) $$生成的点集
, ]) k- t! i$ l Nnumber/num2,num $$点集的数量
' t8 o6 j+ g( h$ E& l; K; @4 H7 r1 G8 Vnumber/beaddia $$佛珠直径- d- L" J! Y' `+ m6 t+ L \
number/a(3),b(3)
+ L/ j ^# _0 A- ~" udata/num2,108% b* w# |$ g& K; E# n$ l& w$ J- z1 J
$$print/'num2',num2
- N) T7 v8 W8 ~7 p5 M4 N$$选择屏幕点7 S `# c9 Z, H* x6 \3 p, ~
num=1
; {/ B8 M [5 i3 F" b. nl10:
. Z5 W6 x% F9 Z* d2 x) F7 v3 N* Z. uif/num>11,jump/l30:
* R' ? Z' K/ w* {2 C* Lpos/'pick a point',x,y,z,resp5 a2 i3 y2 l9 S% s1 m$ v8 W2 F' d
jump/l10:,trm:,,,l20:,resp9 G. a, i' ~ Q) m4 Z A
/ _, @+ o+ I( {$ q. T t7 P
l20:, X7 `7 ~1 K8 B/ v$ `
pt(num)=point/x,y,z
0 N" ~9 j7 }; d7 x( y' W$ \& Gnum=num+1
( I+ p$ y5 D# ~( |jump/l10:+ E( q- F9 W7 _7 A) C& Q
2 G: z) z) D* d6 d* E9 d$ P
$$创建封闭的样条曲线1 F# C' G( X U1 c
l30:' x; @' e& [" t" m
obj1=spline/closed,pt(1..num-1)0 C& w' @" O6 S, n! a r
delete/pt1 M9 ?/ X4 A; A/ @0 D
$$样条曲线分段,创建点集(等弦长,弦长=beaddia)
+ H X! {, G' P. o* W% t# Jcpset/earcl,obj1,num2,results
^' t1 m. g7 |* V: y( T5 b% c$$计算球体的直径
0 G1 p4 V8 J( H! B4 ?/ Sa(1..3)=&point(results(1))+ R0 j& t& i" f" m0 J
b(1..3)=&point(results(2))
. t- ?+ N# R6 T" r% g' _% Ebeaddia=sqrtf((a(1)-b(1))**2+(a(2)-b(2))**2+(a(3)-b(3))**2)- G; C# D# o/ V5 D* i
, j' a* Z) ~, \& e1 u' r2 @& O
( A$ G5 {, U* _8 O$$在样条曲线的分段点上创建佛珠/ s3 u. J+ C0 l
num=1
5 |6 ~# I3 x! {l40:
! ^! Z2 y5 g1 s6 ~4 r, zif/num>108,jump/l50:
L; _0 g; W: X+ La(1..3)=&point(results(num))( A; O/ v$ H# c. {9 p3 k
obj2=solsph/origin,a(1),a(2),a(3),diamtr,beaddia7 G* N/ E9 e" L* T& E: g) t
num=num+1* {' I7 J# M! m
jump/l40:9 ^" q& Y, x0 d& O
' M: q/ x* L& e' {% b
$$创建线1 F' N* X6 @ i1 w9 M
l50:
, ]9 T/ \+ m, y1 Q7 W% iobj3=spline/results(1..108)
$ I* d! |0 a& I/ q( uobj4=soltub/obj1,diamtr,beaddia/8
0 C- I) h0 c/ D, O% i1 Z5 C
7 a6 T5 R$ P5 ~+ u/ O, pdelete/results! L9 k8 h: V" B- }: L/ ^, V
delete/obj1# o& y+ C! z: B
delete/obj3$ G9 H3 m M$ ]( G
$$程序结束
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