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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：% Z1 y! j! D" l' R' I# s* v% q. w n
, O4 I% n4 x/ W9 W
Sub A() '本程序以20圆的圆心为坐标原点
) M+ p' ]( Z! I7 Y7 p( ] Dim Y As Double '左上方小圆圆心纵坐标
4 T, _7 D) p2 ]+ l; O- j# J) B, { Dim Y1 As Double, Y2 As Double, B As Double, B1 As Double '迭代运算中间变量
" t3 f& z2 W- b& N# R% |. L Dim R As Double '小圆半径
( Y; h$ Y6 t- b1 d4 p Dim O(2) As Double '坐标原点 g) d6 {- E, V4 K
Dim O1(2) As Double '左上方小圆圆心
2 G% m& r$ g& \) L: @6 Z Dim O2(2) As Double '右上方小圆圆心
1 e+ q* U9 ]$ X- K9 N1 d Dim O3(2) As Double '右下方小圆圆心
- K' m" g/ q* T Dim P1(2) As Double, P2(2) As Double, P3(2) As Double '直线起端点/ i/ f, v& {* v# h" s5 v* t4 \
Y1 = 10 '迭代运算边界条件+ i6 k+ y F0 M5 k! L6 C- E, P; P
Y2 = 20
& M6 f& f8 K" N1 \- N+ d9 ?$ h Do '计算合适的小圆圆心纵坐标
7 \* S# C; E, r& ]3 R$ J Y = (Y1 + Y2) / 22 Z& F2 l; s: B5 b2 ~' S" ^
B = -(2 + Sqr(2)) * Y ^ 4 - 40 * Sqr(2) * Y ^ 3 + 1600 * Y ^ 2 - 16000 * Sqr(2) * Y + 320000 + 160000 * Sqr(2), K" E [0 ]- v8 n5 P" a5 I
If B = 0 Then
o2 J- n9 {4 O( n: N' e Exit Do
" a: H: l& V, W2 D1 | P ElseIf Y = Y1 Then; X ]6 H$ x1 b
B1 = -(2 + Sqr(2)) * Y2 ^ 4 - 40 * Sqr(2) * Y2 ^ 3 + 1600 * Y2 ^ 2 - 16000 * Sqr(2) * Y2 + 320000 + 160000 * Sqr(2)
+ X1 s6 N3 s4 `( F" C0 ^ If Abs(B1) < Abs(B) Then Y = Y2; G. u7 x) m) B; U! D
Exit Do
: w V1 d% F- R8 @+ V ElseIf Y = Y2 Then
( I) }& u4 k, F B1 = -(2 + Sqr(2)) * Y1 ^ 4 - 40 * Sqr(2) * Y1 ^ 3 + 1600 * Y1 ^ 2 - 16000 * Sqr(2) * Y1 + 320000 + 160000 * Sqr(2)
+ o# c' N2 [' c/ X8 P4 h If Abs(B1) < Abs(B) Then Y = Y1
, W+ \; g4 B9 B9 c Exit Do9 m9 j% Q, o: H" v9 H
ElseIf B > 0 Then
# c0 R+ ?- f! ~$ X8 p7 D4 h Y1 = Y
0 n4 i; ?* S6 j# P [ Else$ h! g; a9 W: W* Z/ X- |5 h
Y2 = Y
Q8 l& `/ m( L$ C" Y0 q End If
* W b2 _' e- j! f Loop
1 m6 L( W- r% O# b/ L# b) l8 m R = Y ^ 2 / 40 '小圆半径
. _2 _$ a4 T& Y3 u. v O1(0) = R - 10
) G2 F0 f/ U" x7 E& z O1(1) = Y '各点赋值
6 G' r( I3 b* \: v5 l O2(0) = Sqr(0.5) * (10 + R)
- }5 k7 U- H9 v5 W$ }$ A O2(1) = O2(0); l; d7 g0 f' J% c
O3(0) = O1(1)3 y; h) ?6 b: L- P8 `
O3(1) = O1(0)
* i; Y- z* ?/ @/ J- x8 w: j# {8 Z P1(0) = -10
: ]7 P. f3 Q; |3 w- b6 M P1(1) = -10- \5 ]7 J0 D7 h/ H
P2(0) = -106 ?$ ^0 e5 H2 o: a) |' z
P2(1) = 20
# E/ t- Z; a7 `- ~- _$ A P3(0) = 20; d2 u% z o5 L" X% X
P3(1) = -10 m; J% R% ` ~! U2 l! k9 } o
With ThisDrawing
7 X$ r+ l5 A; t* E' G. X .ModelSpace.AddLine P1, P2 '画直线2 U! S, d" N1 S2 o T
.ModelSpace.AddLine P1, P3, ]7 ~" I. K r% o7 S& _
.ModelSpace.AddCircle O, 10 '画大圆
8 m8 u, [; d, Y4 i8 u* h .ModelSpace.AddCircle O1, R '画三个小圆0 F) @1 g# N; u1 y- o1 z
.ModelSpace.AddCircle O2, R
% d- w* f' p. s, W .ModelSpace.AddCircle O3, R
' |' m8 p/ F, z) S. | End With5 U- _& P* G- S3 I. Q0 j- J. P1 {
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