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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:
$ U7 V5 q2 y" p* v------------------------------------------------------------------------------------------------------------------------; g' q" ^ ?* Z) R
Dim S1 As String, S2 As String
; P/ u! n0 V3 g z! `/ }; a. jSub H()0 Y$ k" `7 Y: Q! R: }
Dim Space As Object, P As Variant, P2 As Variant, L As AcadLine
3 n, k4 S% ]- K+ c5 h: V# H Dim A As Double, A1 As Double, Ag As Double, Ag1 As Double, Ag2 As Double, R As Double
, c z8 s+ h: M0 P4 @- M `6 @ With ThisDrawing
6 y4 T5 L7 t+ r; ]7 H If .ActiveSpace = acModelSpace Then9 ?6 U( R; t+ ]3 J# _
Set Space = .ModelSpace
; O* y& e6 q# l9 u" ` Else4 R h* U8 K! H, o. g1 `
Set Space = .PaperSpace
8 d$ D% v) V) F( L7 i End If
4 n) D5 G+ @0 b4 O, D On Error GoTo 10
5 P- {7 G7 s' K7 \ P = .Utility.GetPoint(, vbCrLf & "指定弦起点:" )! l% P m: J: U" S
On Error Resume Next
( _; |. n2 I- D9 g5 t$ Y Do3 e% Q" U5 t; F9 h9 E0 f( H
Err.Clear
) e$ X: w0 S3 b .Utility.InitializeUserInput 0, "Y N"5 ^2 M3 v- V5 x% Q+ _
P2 = .Utility.GetPoint(P, vbCrLf & "指定弦端点或[保留弦(Y)/不保留弦(N)]<N>:" )( k# d f" [+ V. b2 \4 U5 x
8 X6 U5 U. }6 S) n0 X W% B1 X. c If Err.Number = 0 Then
: b' }- L$ j4 x: H Set L = Space.AddLine(P, P2)" `( i* Q2 E, a7 \" J7 e9 B/ w
Do. F N; ^& H' ~6 v5 T# o. p
Err.Clear
) P2 B2 w* a+ y, q0 n- ] .Utility.InitializeUserInput 6, "A C"
2 P5 q3 M, i" \- i7 ] A = .Utility.GetDistance(P, vbCrLf & "指定弧长或[画圆弧(A)/画圆(C)]<C>:" )
2 U/ x) T" }4 A; x0 S" R4 P If Err.Number = 0 And A > L.Length Then
. _' g4 [/ r6 ^$ h3 H" f Ag2 = 3.14159265358979
6 Z0 x/ {# g! S% R6 I% s, c Do% K2 v7 H! V+ _8 \
Ag = (Ag1 + Ag2) / 2#2 S# {+ H) T4 b/ M, @; `0 a
A1 = Ag * L.Length / Sin(Ag)
& L$ T& S2 T" Q3 }- O+ @% g' q If A1 = A Or Ag = Ag1 Or Ag = Ag2 Then Exit Do
3 G* X4 m4 T! n! Y9 r6 K9 x- k If A1 > A Then. [) T: B0 W9 k
Ag2 = Ag- g$ D& ]6 H1 s4 S, e, [
Else
9 z! H- \: @/ s: u5 p; f2 r4 J Ag1 = Ag
* O: _$ M( P% O" g End If
/ p- g8 n+ k1 |0 ]( H' o8 P Loop
8 q: q& O* Q4 y! n- J R = A / Ag1 / 2#
* A9 o9 H/ {- R3 k P = .Utility.PolarPoint(P, L.Angle + 1.5707963267949 - Ag, R). I* y+ L( V/ M! [8 P q
If S2 = "A" Then; J( e% p( s7 Y8 ^5 L5 X' _
Space.AddArc P, R, 4.71238898038469 + L.Angle - Ag, 4.71238898038469 + L.Angle + Ag, w. C2 Q7 ?* u$ @: ]( X! S
Else
9 P# }% Q6 i' j1 [9 z+ m( B2 n Space.AddCircle P, R0 Y ?' P$ s, ]. C1 a' v
End If* {& _4 M1 n. N$ ^) B
If S1 = "N" Or S1 = "" Then L.Delete
: x8 [3 S( Z0 i6 r. G- J Exit Do) b9 u, H5 }$ n' f! U+ A1 k
ElseIf Err.Number = -2147352567 Then9 D0 r5 B. l8 U8 M5 t
L.Delete( m) F W1 e" ^. Q. E, \
Err.Clear
# v3 [- O) J6 ? p) c4 G: C0 d Exit Do, R8 R+ t! M9 a! Y7 q0 |# l7 C% G
ElseIf Err.Number <> 0 Then
2 D, X0 s; I' P/ d$ N+ P S2 = .Utility.GetInput: G8 ]% `7 t1 E! _2 \
End If, O/ ]" c( h/ c( i1 ^2 u+ w# V
Loop
C o; P' j* ?# h7 }7 s ElseIf Err.Number = -2147352567 Then+ f7 A2 K: V" T0 u! f
Exit Do$ T: Z: s' x$ O
Else
) M. T/ C1 O: d5 l w S1 = .Utility.GetInput
5 x7 q" V/ _% W! B End If
6 [5 B4 i* F5 L& d* p M3 ] Loop Until Err.Number = 0" T) I* G* d& h# s* s! t& @# F
End With8 h6 F# ]% c* a
10: End Sub# a2 [& q3 d/ A+ Q' s
------------------------------------------------------------------------------------------------------------------------, f8 r& X8 Q! i6 B1 S: \
使用方法:( W5 P+ c2 `( z
1.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
: c5 O6 a/ J# M& T7 q2.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
) i9 l( Z; L2 z: Y% D3.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！
:L