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发表于 2007-3-9 14:41:30
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来自： 中国辽宁营口
用VBA画图方法
VBA源代码：: {3 \+ C! y' T$ A* Y. {2 e
$ ?2 l$ b" z! [% H* J5 m' A# Y
Sub A() '本程序以20圆的圆心为坐标原点
) T/ Y: ^1 ~" e Dim Y As Double '左上方小圆圆心纵坐标
5 ?$ w( k; U. T* g! ` Dim Y1 As Double, Y2 As Double, B As Double, B1 As Double '迭代运算中间变量 F5 [! `& S4 Y# h/ {$ m5 u
Dim R As Double '小圆半径% G/ a( a! `" p- q+ ]9 S% L
Dim O(2) As Double '坐标原点1 J8 d5 r6 e4 j+ [3 Y# s' s% Z9 d
Dim O1(2) As Double '左上方小圆圆心4 O, I% U0 p7 P: m
Dim O2(2) As Double '右上方小圆圆心
' [) _: [4 |0 M$ G Dim O3(2) As Double '右下方小圆圆心) D! d/ L; w' x9 ^+ ^ j
Dim P1(2) As Double, P2(2) As Double, P3(2) As Double '直线起端点
$ }9 U) K, o7 T Y1 = 10 '迭代运算边界条件: M _7 E5 v+ I6 m& V) ]) r( u
Y2 = 20+ Q) v {- }& Y6 K7 {5 {
Do '计算合适的小圆圆心纵坐标- U" f u, s6 A1 D% i" t
Y = (Y1 + Y2) / 27 _2 E& e: ^7 d
B = -(2 + Sqr(2)) * Y ^ 4 - 40 * Sqr(2) * Y ^ 3 + 1600 * Y ^ 2 - 16000 * Sqr(2) * Y + 320000 + 160000 * Sqr(2), k; w5 E; v; f$ n3 Q7 A
If B = 0 Then' k2 I [9 n8 g% C
Exit Do
9 l6 S3 |& [# [6 N9 D1 p ElseIf Y = Y1 Then
" a4 N7 W' A0 x6 C4 F B1 = -(2 + Sqr(2)) * Y2 ^ 4 - 40 * Sqr(2) * Y2 ^ 3 + 1600 * Y2 ^ 2 - 16000 * Sqr(2) * Y2 + 320000 + 160000 * Sqr(2)' ^. ]2 {8 p! D
If Abs(B1) < Abs(B) Then Y = Y28 S. r& r- A5 a/ y: I/ M/ u7 [
Exit Do
5 i4 R8 M0 ]+ ^8 A8 T0 D1 B ElseIf Y = Y2 Then
3 V/ {( V' X+ C4 X2 K2 C+ q3 a" m B1 = -(2 + Sqr(2)) * Y1 ^ 4 - 40 * Sqr(2) * Y1 ^ 3 + 1600 * Y1 ^ 2 - 16000 * Sqr(2) * Y1 + 320000 + 160000 * Sqr(2)( g8 C+ H3 K7 h! H! c; l& J
If Abs(B1) < Abs(B) Then Y = Y1
8 W5 U* a d Q' H! X Exit Do+ A$ V/ g6 y/ G7 g+ d
ElseIf B > 0 Then2 Q" A) {2 q8 \
Y1 = Y# ~: z/ f X) m) k4 X* F6 F6 N
Else
6 k4 N8 l# i/ z; ?6 B' K Y2 = Y& t3 c1 r. ~4 k' [* b, V
End If
0 c/ o6 ~ f7 K$ x$ W$ [! ]6 i' n1 P Loop/ }$ ^% U. o% ~" K
R = Y ^ 2 / 40 '小圆半径
) J8 v8 s+ x0 {) v3 C O1(0) = R - 107 c1 A+ ~0 K `1 ], ^
O1(1) = Y '各点赋值0 U6 j, ?4 ^% U
O2(0) = Sqr(0.5) * (10 + R): h7 u7 \6 {6 ]7 X
O2(1) = O2(0)' N4 H6 F0 `7 c; G3 H
O3(0) = O1(1)
6 L( {1 p9 A, ?/ n B3 Y O3(1) = O1(0)8 Z& b H0 e4 f8 X2 ^8 Y4 w
P1(0) = -10
0 q: t- \9 U8 K! V+ h P1(1) = -106 P2 f( W/ o8 _2 _; o
P2(0) = -10% L4 J; b# ~5 ?
P2(1) = 20$ k5 H6 I( ^; k' x+ }
P3(0) = 20
$ o1 b i2 k, f' Y1 s P3(1) = -10$ h- I9 X& f! u' Z/ O: E% O# j8 d# S& ~
With ThisDrawing
( L7 q: S: x4 ~4 Y .ModelSpace.AddLine P1, P2 '画直线( v$ A, q. I( S, ]# q" L
.ModelSpace.AddLine P1, P3
! }- l, w. D3 C" j. ] .ModelSpace.AddCircle O, 10 '画大圆
9 U) E q1 o& c/ Y8 z4 K .ModelSpace.AddCircle O1, R '画三个小圆
4 a0 }9 J/ O: @" N: Q3 h .ModelSpace.AddCircle O2, R' e7 y5 s+ n" d
.ModelSpace.AddCircle O3, R
9 @: O8 ? v/ C6 U6 F; H End With
9 A$ i9 g, \% D0 N- ?End Sub |
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发表于 2007-3-9 09:43:24
发表于 2007-3-9 12:21:41
楼主
都好厉害，我没想到的都给想到了／
:L