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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:. S |9 N7 o/ r3 r0 s* U
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6 b2 }8 {: ^: L* m" V! d8 ]Dim S1 As String, S2 As String
& m; S% |% e1 q3 a: JSub H()
: l& j, P% T$ a* T9 e; r ? Dim Space As Object, P As Variant, P2 As Variant, L As AcadLine' P9 M! H6 V6 {2 r
Dim A As Double, A1 As Double, Ag As Double, Ag1 As Double, Ag2 As Double, R As Double
, r- G" s2 N# N4 c* A With ThisDrawing( K) ?3 z; p# N1 {8 r( a
If .ActiveSpace = acModelSpace Then- r# M. [" x: {0 p
Set Space = .ModelSpace
9 f4 e6 ~8 R" {$ a Else& i# H. t j8 \% S1 }4 A5 S
Set Space = .PaperSpace/ G/ Y4 s4 |5 s* T( K' h
End If: j4 r& X* _) a+ i' M: S( X
On Error GoTo 10
1 R. E0 |% r% [6 O1 A; n P = .Utility.GetPoint(, vbCrLf & "指定弦起点:" )# E9 r h% L% c- I9 @+ T# k
On Error Resume Next
3 a! o2 s/ E9 I! g( B0 A Do$ a* E& k6 o0 t3 w, U* h
Err.Clear. V b" s+ ^( a4 J
.Utility.InitializeUserInput 0, "Y N"
! q' W# h: {$ q P2 = .Utility.GetPoint(P, vbCrLf & "指定弦端点或[保留弦(Y)/不保留弦(N)]<N>:" )
& Y" _8 |0 {. }2 T- `3 a' ?
# P7 _6 {6 ~0 r$ Q: f If Err.Number = 0 Then
# H4 y9 e' J$ O4 H Set L = Space.AddLine(P, P2)
$ v" J! y& T1 l( M0 Z: `2 A Do5 r, k, u- `! w y
Err.Clear
. a9 I4 l2 C8 Q .Utility.InitializeUserInput 6, "A C"# N$ r, @& k x+ t& t7 u# [
A = .Utility.GetDistance(P, vbCrLf & "指定弧长或[画圆弧(A)/画圆(C)]<C>:" )
) e& p( w" u( b- G If Err.Number = 0 And A > L.Length Then
" u5 b9 C; F/ H+ i+ R. p0 \ Ag2 = 3.141592653589799 \5 r5 f) |& X
Do. g l2 ?! W- g' `' ~9 C
Ag = (Ag1 + Ag2) / 2#" W/ w" R8 \! w1 u- X% ?; P7 R& V, ?: T
A1 = Ag * L.Length / Sin(Ag); [0 v3 r; N, j4 ?, e0 w
If A1 = A Or Ag = Ag1 Or Ag = Ag2 Then Exit Do3 Z6 Q5 V# q2 G! I
If A1 > A Then
) }; {. `# o+ w3 z4 f2 e Ag2 = Ag+ a! k" S0 ~2 |% O/ {
Else
0 [/ E% E9 h9 U$ H, P% P( K8 C Ag1 = Ag" H7 t4 Z! I: c- ^. `
End If% I. A$ {/ W) @8 O: [
Loop
: N# y3 f" I2 ?1 w R = A / Ag1 / 2#
% y6 d7 u4 a; i/ }( U& b P = .Utility.PolarPoint(P, L.Angle + 1.5707963267949 - Ag, R), U0 c! n! t! w' `
If S2 = "A" Then
& {# f2 Y; \. X2 p9 ? Space.AddArc P, R, 4.71238898038469 + L.Angle - Ag, 4.71238898038469 + L.Angle + Ag
. p% i' Y$ M5 U* M$ H* K Else3 {/ }. r* s& ] p) }- P! F/ g
Space.AddCircle P, R, e& P9 H& p0 Y: P' r
End If9 r0 d( I* E: l8 D1 v
If S1 = "N" Or S1 = "" Then L.Delete
- |6 S3 n. y" w4 [( G Exit Do
@. o6 e2 v+ [$ T3 ?4 s; f* q/ K ElseIf Err.Number = -2147352567 Then
5 }3 g j W" E A L.Delete1 F+ l, {9 z, s) O" Y, |- x& i
Err.Clear& M9 t9 _8 [' C. S
Exit Do
8 P# q' Z9 N. A5 q ElseIf Err.Number <> 0 Then
" D# B9 N# C1 H4 e- T& ~1 D' t/ ` S2 = .Utility.GetInput
3 E& o+ J& A) |1 q# a, h2 r End If/ y& {" \* H# V! _& ?
Loop) W5 H3 I7 l8 \/ }; [
ElseIf Err.Number = -2147352567 Then6 t! O& O' Z* q s" m
Exit Do
. G, ^" u! [) U0 Y+ a) M Else
" [: S ?. _2 H' c j S1 = .Utility.GetInput
, E: \3 L9 {/ E0 ?; _ End If2 m5 D+ ~' _7 ]# v3 s
Loop Until Err.Number = 0& i6 U2 S% q/ V. C# h/ I w
End With
/ \* r. Z* X- Q10: End Sub
8 }1 K+ H# D) n( e. U; T' T------------------------------------------------------------------------------------------------------------------------
, t0 a2 \* n E+ R! Q使用方法:5 z, B! r2 t. K4 _5 M1 ]
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
& m3 g+ f' \8 b% p2.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/ E2 X4 S: U3 `
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！- H4 W x7 N5 j5 V7 p7 p: O7 |9 J2 d
:L