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发表于 2008-9-26 13:26:01
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来自： 中国辽宁营口
VBA代码:/ j/ i0 v" \9 t' X5 u
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& A: [. ]7 C+ Y4 k0 VDim S1 As String, S2 As String7 o k( S$ t* r
Sub H()
7 r5 z7 h5 i- c. u6 m4 K% P Dim Space As Object, P As Variant, P2 As Variant, L As AcadLine
8 A/ e2 ?. T6 h3 K' C1 z2 Y: l Dim A As Double, A1 As Double, Ag As Double, Ag1 As Double, Ag2 As Double, R As Double
( c( z) g; W+ f* R, ?3 k6 U' ` With ThisDrawing
8 v1 E. {9 {7 K* Z% [% B If .ActiveSpace = acModelSpace Then4 r7 O7 k1 D% A3 ?0 j3 H+ m
Set Space = .ModelSpace
9 _1 w. ^" p! P Else
2 Z9 t( ]; A0 B e Set Space = .PaperSpace
; y9 v: ?. a7 |7 M End If
# P( B+ J( J0 O R- r! C8 M On Error GoTo 10
& C2 o6 q+ h& W0 [ P = .Utility.GetPoint(, vbCrLf & "指定弦起点:" )
: K3 D& [9 D/ Q/ W$ k On Error Resume Next$ D! S' B) \) B0 P6 v
Do
- P6 d4 a0 X" l Err.Clear
X! G: E" ?/ Y; q7 x# ? .Utility.InitializeUserInput 0, "Y N"9 j6 Y& W% ]! L+ a0 c
P2 = .Utility.GetPoint(P, vbCrLf & "指定弦端点或[保留弦(Y)/不保留弦(N)]<N>:" )
" {# a$ z" ]3 g O8 }8 Z
. m& o: J9 a* Z7 m4 R/ a If Err.Number = 0 Then8 }# z/ ~: z) }: M
Set L = Space.AddLine(P, P2)
) C/ b( I3 F. P Do. p4 D7 \3 U3 ~/ X* v4 y, ~
Err.Clear
& Y# b/ W/ \# @, c .Utility.InitializeUserInput 6, "A C"- x7 R1 X9 K3 r: V! T5 \3 _( G6 R
A = .Utility.GetDistance(P, vbCrLf & "指定弧长或[画圆弧(A)/画圆(C)]<C>:" )
) @8 E" g% `& s If Err.Number = 0 And A > L.Length Then, j/ W; ~" [" @8 _9 u- z5 X
Ag2 = 3.14159265358979
8 ~9 f$ _9 f# h, I Do
% v! \( \& l; w2 I# l. Y) ? Ag = (Ag1 + Ag2) / 2#+ T- A' y* C6 G/ _% ?
A1 = Ag * L.Length / Sin(Ag), a/ B/ Q1 ^" v6 j) u# d* ]
If A1 = A Or Ag = Ag1 Or Ag = Ag2 Then Exit Do
9 o) S6 I7 M: R, B5 D7 I" L8 o If A1 > A Then7 T! t6 h( f' I2 R8 t
Ag2 = Ag
7 E! v2 D' C W2 x1 U \2 i Else R4 T3 j3 ~* P: B* e. F! g( m! S- I3 H
Ag1 = Ag
; _. V C4 e% R8 m End If
! y, Z) G8 S3 ] Loop% g& H0 L. [3 y. _6 {; [
R = A / Ag1 / 2#8 H' U' n b! q& |/ O
P = .Utility.PolarPoint(P, L.Angle + 1.5707963267949 - Ag, R)
6 n4 Y* q* t( X f% \ If S2 = "A" Then
8 w3 `$ F1 {4 a; m. p5 ^# D) v Space.AddArc P, R, 4.71238898038469 + L.Angle - Ag, 4.71238898038469 + L.Angle + Ag
2 r2 C2 _2 m! K Y- ^! w Else
% G) h2 A* N5 U6 t7 f X4 Y, Y6 [: j Space.AddCircle P, R3 C( E: i3 J2 m
End If8 o* N4 I* _ Y- v. I
If S1 = "N" Or S1 = "" Then L.Delete5 E+ B5 w+ L: b' w; c6 O4 Y
Exit Do4 g0 {- e T( p) x4 U+ K
ElseIf Err.Number = -2147352567 Then* L5 C. v6 C" R6 z' o
L.Delete
E# F& A9 @+ g, s Err.Clear* J: {0 U0 t+ u/ f
Exit Do6 s2 R" N6 K- U
ElseIf Err.Number <> 0 Then( {% q0 i; C1 c$ y0 c; D
S2 = .Utility.GetInput5 a0 k j- r* T& ^( a% @
End If
1 U1 n% o+ k5 C* S ~ Loop" {1 ^% h5 g& v; C" z
ElseIf Err.Number = -2147352567 Then, J {$ e2 g* i
Exit Do9 }9 j, R# J8 Y$ L
Else& S( {& ^8 G& Q( [. A3 H" x
S1 = .Utility.GetInput3 V$ {, S' R p( q6 H3 j4 Y" i
End If
- o* X. _* E! [$ a5 b G; x Loop Until Err.Number = 0
' }: e0 \# C+ N( a. \ End With
* ^5 ~3 f3 o0 w0 d) R10: End Sub0 ?# Z; D7 k( }! N" x" {
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J5 V# E' _4 ~8 A2 I9 d使用方法:
* V/ Z: N) t# _ Z$ q3 T- ]& q* L1.把上面代码粘贴到VBA编辑器Thisdrawing代码窗口,或下载附件解压后加载. r6 F, Y J- o D
2.Alt+F8,在弹出的"宏"对话框中点运行按钮,或在命令行键入"-vbarun",回车,"H",回车4 ~3 o" X* K1 m9 s& b Z
3.按命令行提示操作 |
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发表于 2008-9-24 16:35:42
你还缺一个条件：要么是对应角度，要么是周长！下图到底是哪种？如何是好？- @6 v) K$ i" k% n; i- ], S: Z
楼主
！角度是可以测量的！
:L