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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:
- i8 ~0 L. T2 Y. Y------------------------------------------------------------------------------------------------------------------------
1 f1 }, m( \& b& h& JDim S1 As String, S2 As String/ X2 P, t7 H1 {1 V& @) F0 B# r
Sub H()
; q0 J' L. _' L) Y) p Dim Space As Object, P As Variant, P2 As Variant, L As AcadLine
) B9 O U9 ~2 @0 l1 F1 ? Dim A As Double, A1 As Double, Ag As Double, Ag1 As Double, Ag2 As Double, R As Double4 z- c+ q9 C1 H4 U4 w2 l4 \* O& Q
With ThisDrawing+ g) c. Z4 o3 @; J c( d% \3 g
If .ActiveSpace = acModelSpace Then
+ Y' T" X# w2 }4 V/ r* m Set Space = .ModelSpace$ p1 U7 D! L- ^+ L# w
Else
. x3 L. j% W) _( c$ j, x6 H( X Set Space = .PaperSpace' s3 l2 S W+ x2 T" A% E+ s+ S$ C# A
End If% J, u9 D7 Q" i9 f% Z; O. P& v# J
On Error GoTo 10 F! `% _$ w7 H. _: X$ M
P = .Utility.GetPoint(, vbCrLf & "指定弦起点:" )6 Z" e$ s% C2 A2 j. `+ C
On Error Resume Next
, y" Y- k, r$ I Do
. j! `# j; B- Z" l- Z# p Err.Clear
% ~/ r' a& @& V2 L4 i .Utility.InitializeUserInput 0, "Y N"
) [( R9 Z5 h* l' o: k P2 = .Utility.GetPoint(P, vbCrLf & "指定弦端点或[保留弦(Y)/不保留弦(N)]<N>:" )
6 k% B8 H# ]' h' [/ _7 y * o" p! h z4 V
If Err.Number = 0 Then; Z+ G2 E! W v) l
Set L = Space.AddLine(P, P2)/ {) N9 Y B. O ~* ?; I
Do
, t+ U# W9 a% U Err.Clear& @& o2 i: n; e1 I3 g+ ^
.Utility.InitializeUserInput 6, "A C"3 N: x6 \" O% E) K! \+ s5 [8 M
A = .Utility.GetDistance(P, vbCrLf & "指定弧长或[画圆弧(A)/画圆(C)]<C>:" )
: W/ @7 _# A( [" ?2 h, R If Err.Number = 0 And A > L.Length Then- x C; |$ i3 r4 B8 o+ [4 p; r0 G9 l
Ag2 = 3.14159265358979' a. v( [0 N9 E/ H
Do) h) N" c3 _5 i9 f6 G/ M
Ag = (Ag1 + Ag2) / 2#& y0 }& F* F' f9 X, k& f- H
A1 = Ag * L.Length / Sin(Ag)5 [6 u9 K# _2 |* r
If A1 = A Or Ag = Ag1 Or Ag = Ag2 Then Exit Do m/ X6 f2 @% @+ y
If A1 > A Then1 Z; @! r$ r! e8 `" S
Ag2 = Ag
. ]5 f4 c# k4 x! h4 g( D Else
$ V9 L* O2 l% Q( A5 K% u2 H3 j' u Ag1 = Ag
; b+ A, G1 j5 Q& [! [3 q' M End If: b- J5 H) D) i. j
Loop
6 D/ |, o: N2 H* }9 G2 X R = A / Ag1 / 2#7 C# I+ z5 v* O$ b* w) ]
P = .Utility.PolarPoint(P, L.Angle + 1.5707963267949 - Ag, R)! l- m6 I2 n( o+ _& ]$ y. b
If S2 = "A" Then) _/ w" I* |. |, P0 ?9 @ [( D
Space.AddArc P, R, 4.71238898038469 + L.Angle - Ag, 4.71238898038469 + L.Angle + Ag3 B" e! g+ B- u+ L) T
Else/ Z, C9 z6 Y) q) s# T
Space.AddCircle P, R t& J7 _/ s9 W
End If
/ ?1 a. F2 t1 i0 g9 W If S1 = "N" Or S1 = "" Then L.Delete" ]8 B% \' a. W/ B4 S; f
Exit Do v: b# \4 m f8 b
ElseIf Err.Number = -2147352567 Then
9 z( |7 @# _4 O, j5 Y, D L.Delete, @: t# T c7 U% _# H$ p; l; I4 U
Err.Clear1 G1 T2 e9 i! o$ M# v; N3 `
Exit Do
3 x& B' l, W% G; G& }9 }9 X ElseIf Err.Number <> 0 Then
" t; s% r& x; j/ Z+ t* O" _ S2 = .Utility.GetInput. o2 Y. M; J* Y7 G$ A" E; m. \
End If
7 I5 W C1 S) z# `: ?6 A Loop5 t5 a, ~* t6 v' H y' m
ElseIf Err.Number = -2147352567 Then
4 Y7 Z. \! `* |, o K( h( h: ^4 ]; E; T6 W Exit Do, d0 t$ Z2 B5 H' m
Else& u! ?( k# M# M3 j
S1 = .Utility.GetInput
& r9 L* ^, P* J1 S End If
' U5 b5 K3 s- Y% @8 h+ R T Loop Until Err.Number = 0
! _5 k" x4 g9 q, a, q( y, a End With
6 f8 R" V- C8 f' F& w; _10: End Sub9 I5 a7 d9 ^* x; w2 j
------------------------------------------------------------------------------------------------------------------------. {( E" T0 \1 ]: ~
使用方法:
' q; o7 U' F- r4 t1.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, v5 |& |$ t9 E; l' c
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; P3 D& A3 }4 Q2 P1 k" E
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？
楼主
！角度是可以测量的！' a$ H* D4 Z1 ?0 d, q% Q9 I" r8 ]
:L