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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:
7 ?$ W* {- q- K------------------------------------------------------------------------------------------------------------------------
6 O. h4 `) Q) g6 n8 K, J3 K4 {Dim S1 As String, S2 As String1 E% F- E) Z+ O+ N: M* J
Sub H()
' Z/ c$ t# y" u6 E+ i Dim Space As Object, P As Variant, P2 As Variant, L As AcadLine, O: z( b& `# Y
Dim A As Double, A1 As Double, Ag As Double, Ag1 As Double, Ag2 As Double, R As Double
8 j' i" ^7 A* f- Q2 Y With ThisDrawing
1 N o: D+ P( O If .ActiveSpace = acModelSpace Then6 U( U6 S* U2 K2 P' W
Set Space = .ModelSpace9 P( ?2 n5 ~: A3 Q
Else" }: G) _9 K' @4 ~ q' \% m
Set Space = .PaperSpace
+ C7 N" D: o- b( e& O End If2 ~. P2 z7 t0 h; r
On Error GoTo 100 Q" M/ P; P7 N1 Z0 T, s
P = .Utility.GetPoint(, vbCrLf & "指定弦起点:" )
) i) v @ n8 U! ~( Q3 w) H On Error Resume Next5 }: b2 s: H/ E
Do
; g" T U/ g" v5 W$ r Err.Clear
3 ~; O6 O/ {9 M% b .Utility.InitializeUserInput 0, "Y N"5 |( ~; M! H. w5 t% \' d
P2 = .Utility.GetPoint(P, vbCrLf & "指定弦端点或[保留弦(Y)/不保留弦(N)]<N>:" )$ A, Z" H# c! K$ h" c0 E* p; ~# F: g
/ f" b2 O5 l i% L& O* C7 s
If Err.Number = 0 Then
0 X! e% c9 Y. ^- X9 ~4 j Set L = Space.AddLine(P, P2)
# {0 k$ B6 Z$ Y; j Q Do1 g5 u/ d# t# v7 a: V) }) `3 z3 g0 z
Err.Clear, {7 C5 l; R# B, T. B! a
.Utility.InitializeUserInput 6, "A C"& C' l2 c" c# z
A = .Utility.GetDistance(P, vbCrLf & "指定弧长或[画圆弧(A)/画圆(C)]<C>:" )
6 C, ?- R E* R7 q8 Y$ H1 W If Err.Number = 0 And A > L.Length Then
0 f: \- i6 Y+ j# a" J Ag2 = 3.14159265358979' f3 V! j6 x% i, X+ n1 c
Do
# {. S. h3 J4 H" w. s# K& e0 Q Ag = (Ag1 + Ag2) / 2#+ Z% h: \3 `1 o9 Y
A1 = Ag * L.Length / Sin(Ag); x5 b' n4 U" j
If A1 = A Or Ag = Ag1 Or Ag = Ag2 Then Exit Do
; z% Q5 ?4 C# m% Y6 t If A1 > A Then
0 q. b; ]* R% C Ag2 = Ag$ X1 P& r C5 t4 C
Else
2 K2 u' Y/ Q! H# |( d. U# k Ag1 = Ag
6 i6 ]4 ?7 t% {; ? Q6 H* H* X' W1 t End If$ S/ M+ c# v$ g# o/ U
Loop
) [& {5 Q0 s# C4 O5 \ m. r R = A / Ag1 / 2#( \2 B7 h' o: S: C" w& [* m3 \
P = .Utility.PolarPoint(P, L.Angle + 1.5707963267949 - Ag, R)
: `4 m2 m5 v- K' z+ z8 y6 R If S2 = "A" Then/ \ ^) Y; ^0 f5 G
Space.AddArc P, R, 4.71238898038469 + L.Angle - Ag, 4.71238898038469 + L.Angle + Ag- K& n0 ~7 `2 i: f! \" I/ T
Else
) ^1 L4 ^' M8 p+ v* k Space.AddCircle P, R
) _# o3 W0 C3 B/ P2 z. e3 J End If" P8 A3 y/ ]( y( M- A9 ?2 a
If S1 = "N" Or S1 = "" Then L.Delete2 U! h# Z3 R, P& ~ y2 G2 K
Exit Do! n3 i& |4 ?7 d( N
ElseIf Err.Number = -2147352567 Then: C- m0 k" P1 }* T1 x& B, L5 T
L.Delete
9 Q, X# L! m. J* E8 P, q# l Err.Clear1 w2 \4 I: F% N5 {! `
Exit Do; o# `: {, y4 T* y8 s- o! t
ElseIf Err.Number <> 0 Then1 t9 y( Q% l1 q1 y" g3 r% A. ~
S2 = .Utility.GetInput
3 W) p2 q" n1 s y, A& g6 c3 K End If
0 e/ p4 \& y& g: n Loop
5 E- G1 h3 w0 R! }& V ElseIf Err.Number = -2147352567 Then
1 K4 z5 g6 a* |, o: I Exit Do# o0 [7 ^) K; N4 Y& E
Else, ~8 W# b" W7 y* c v5 j& G. G( r1 U
S1 = .Utility.GetInput4 [0 y4 Z W3 k( h" l" G$ } z9 i
End If* F7 S6 u) j) k
Loop Until Err.Number = 0
/ S& h. @/ K+ i9 }: q* K$ |. `7 T9 F End With
1 m, K! m. b( C# h10: End Sub
# f$ I+ _ j/ \; E------------------------------------------------------------------------------------------------------------------------
5 x1 m% C0 |! U$ X使用方法:# G) i+ z8 R" v) X
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
6 j3 w0 H3 j2 Q+ R/ E2.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* G# M: C" l6 Z; I2 ?+ z9 s, U) ^5 a
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！2 ~% U( }! u/ \- ~$ `' U
:L