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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：! x" i* |( ~0 |3 g1 Y2 a" n
" x" x+ g6 ]5 F- Z) i
Sub A() '本程序以20圆的圆心为坐标原点
0 t; m4 R3 v+ h) X" F0 M Dim Y As Double '左上方小圆圆心纵坐标
7 b9 [) P0 g1 \+ K: K1 H Dim Y1 As Double, Y2 As Double, B As Double, B1 As Double '迭代运算中间变量
. n+ j% U1 ^1 f2 e U8 [2 b- O Dim R As Double '小圆半径
* i& H0 X0 g7 T* v Dim O(2) As Double '坐标原点
8 f3 y& @2 `7 B5 W4 ]# W) [2 R Dim O1(2) As Double '左上方小圆圆心5 b4 n% o) v2 O1 w) N0 L8 U6 }
Dim O2(2) As Double '右上方小圆圆心
; ~ X' c9 L1 Q; x( a, X Dim O3(2) As Double '右下方小圆圆心
5 Q$ u% n$ @! W2 N% ^% @ Dim P1(2) As Double, P2(2) As Double, P3(2) As Double '直线起端点
) b: V, B1 _- s" A$ D/ w: O Y1 = 10 '迭代运算边界条件
" s+ R6 d! R) O Y2 = 20
: V T4 c1 N! M. y3 I# D# N Do '计算合适的小圆圆心纵坐标
- D9 W; }9 f1 t/ a$ X b4 f3 p8 j Y = (Y1 + Y2) / 2
! a6 c# l. ~ f, e# n& F B = -(2 + Sqr(2)) * Y ^ 4 - 40 * Sqr(2) * Y ^ 3 + 1600 * Y ^ 2 - 16000 * Sqr(2) * Y + 320000 + 160000 * Sqr(2)( W9 j7 ~& k2 z9 g/ b, ^! ~$ @1 I h
If B = 0 Then/ V, }; R5 \: Y" q/ u$ q
Exit Do7 M( f% M+ ?$ u8 b$ ?9 |
ElseIf Y = Y1 Then. F, S- H+ P |& w# H {% H1 C$ W
B1 = -(2 + Sqr(2)) * Y2 ^ 4 - 40 * Sqr(2) * Y2 ^ 3 + 1600 * Y2 ^ 2 - 16000 * Sqr(2) * Y2 + 320000 + 160000 * Sqr(2)
. l/ K& f: _, x If Abs(B1) < Abs(B) Then Y = Y2
: C+ `' _) n' c& b4 d% [ Exit Do
$ k$ k, q# o) B. w( z ElseIf Y = Y2 Then3 X5 A2 t2 z8 s* W4 W0 y. R; d
B1 = -(2 + Sqr(2)) * Y1 ^ 4 - 40 * Sqr(2) * Y1 ^ 3 + 1600 * Y1 ^ 2 - 16000 * Sqr(2) * Y1 + 320000 + 160000 * Sqr(2)
/ E7 x+ w% q/ o$ l, k8 ]* h1 F If Abs(B1) < Abs(B) Then Y = Y1
# ~* e, ~" G' C; {9 F0 U8 f Exit Do o# u4 p, s% ]' S& k4 }2 L% X: U! d
ElseIf B > 0 Then
9 D0 S, \5 e$ _ W# b- i Y1 = Y
8 T+ m" Z2 l7 b) X; D7 T2 s! L1 B) W Else& v- ?6 k, `, q2 `4 b3 o4 c1 r0 f
Y2 = Y
7 u3 D* E: e' d! u# w End If
5 {% C, [* r# ?" X) ` Loop
! V5 f8 H t) ?+ ~0 g R = Y ^ 2 / 40 '小圆半径( X4 X0 W$ b2 ^6 D; p
O1(0) = R - 106 r3 m' w4 b, j8 ^
O1(1) = Y '各点赋值
3 G2 ]: a; s! M4 y/ T O2(0) = Sqr(0.5) * (10 + R)
# b" }/ R! J$ H! m" q* d O2(1) = O2(0)" f. h" `2 ~! \+ E% d3 k8 P
O3(0) = O1(1)
7 M0 u& D3 R. Z5 z4 y+ e' J O3(1) = O1(0), V A1 O0 l# c+ v1 P2 |
P1(0) = -10
( H+ ?) r3 O* S$ X7 d- T P1(1) = -10
. y5 }9 N# u/ I P2(0) = -10
0 I4 t2 x, C' q1 d9 p/ Y+ { P2(1) = 20
Y1 O# l2 o) ?- d3 x P3(0) = 20. I9 H9 [( Q9 A) o
P3(1) = -10
4 b% f! k K- z5 w( l With ThisDrawing# k# I o/ L+ @" l# U! o! t# o
.ModelSpace.AddLine P1, P2 '画直线9 A% z5 k1 o+ G
.ModelSpace.AddLine P1, P3' O# R4 z1 g+ c9 {
.ModelSpace.AddCircle O, 10 '画大圆
( ?& v) f# s+ E! `7 U2 h& T( K! E .ModelSpace.AddCircle O1, R '画三个小圆6 {3 J$ l0 L8 h$ z7 m
.ModelSpace.AddCircle O2, R
: [5 [& l! Z9 L; d5 T2 t8 p8 O. \9 \5 T .ModelSpace.AddCircle O3, R
2 u) L4 b. Z, R1 F) l, a1 l* h/ H End With+ d2 q7 F' @7 }; F
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