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发表于 2008-12-31 15:36:15
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来自: 中国辽宁营口
用VBA做了一下,请指正:# G1 y3 B" _! S7 J* Z
- Sub A()" |% R" R" R% K( y, [/ P. Q! H
- Dim P1(2) As Double- C5 w8 {# }& a5 y0 X% [6 |3 n6 S+ B
- Dim C1 As AcadCircle, C2 As AcadCircle, C3 As AcadCircle, C4 As AcadCircle- N+ p6 N( k' }1 F! h5 {
- Dim Cf1 As AcadCircle, Cf2 As AcadCircle
. x! g5 B$ {3 N& g* t A, [4 C: H - Dim L As AcadLine" b! y: D7 [4 w; F3 f# [
- Dim M As Double, N As Double
" {5 J/ o) \6 S; U - Dim r As Double
( `; \1 t3 r5 p" `: ^) E - Dim V As Variant
4 M: ~2 u0 o6 w8 p. e - With ThisDrawing
4 f S- u4 A, T3 C0 T - Set C1 = .ModelSpace.AddCircle(P1, 20)2 L$ s* B: [$ y( P0 q( j
- Set C2 = C1.Copy1 N9 C! |* Z8 e" E
- Set C4 = C1.Copy
. ~5 T$ \9 B O# b% `* U$ M - Set C3 = .ModelSpace.AddCircle(P1, 15)
7 n: m7 N2 ]0 [; Q) y( S' c( K - Set Cf1 = .ModelSpace.AddCircle(P1, 40)9 u0 V. v+ h! U; g! }0 G5 c# b( O
- Set Cf2 = Cf1.Copy. j- o h( w3 v( Y* P# c
- Set L = .ModelSpace.AddLine(P1, P1)
+ V) e/ G3 b" ]) c/ ~ - M = 21: N = 30* w+ `1 o O8 E" s7 q# o
- Do2 ]' B* H! u; l' X k B: K
- r = (M + N) / 2
6 |3 u. W$ p- x! D: @7 G: z% Q - Cf1.Radius = r
4 d# i* H7 v2 ]! q) | - P1(0) = -r: P1(1) = 0
0 {- l* R# z, p - C1.Center = P1
3 L+ g8 `7 R" }1 f `' B - Cf2.Center = P1. x- g6 t* t* |
- P1(0) = r + 5
* j6 `% }4 E9 F7 H - C3.Center = P1) v" v) l3 P8 Z( t1 R
- V = Cf1.IntersectWith(Cf2, acExtendNone)$ U8 W. Q4 F n% \6 o, n
- P1(0) = V(0): P1(1) = V(1): P1(2) = V(2)
* Z6 ?" V" T! K& { - C2.Center = P1
' ?# Q( \& y5 H. K- }* S( ` - L.StartPoint = C2.Center
7 M6 e5 t' R" `2 E9 P: z - L.EndPoint = C3.Center
: x% Z+ |* x6 r- O; | - If L.Length = 35 Or r = M Or r = N Then" v& A" N9 V* D+ D- w
- Exit Do H' J7 R4 g" T2 \1 n- S
- ElseIf L.Length < 35 Then
1 c+ V# }: E/ G% U% l3 N t. q - M = r4 z! G. R7 B! l- V. f
- Else; G9 s( R" Q, R
- N = r. J' I ^4 R) J. m' g4 q9 f8 J
- End If0 k: \. |6 @, E+ O" x1 a
- Loop+ D3 J! o6 e2 K8 c' u* `0 v
- C2.Mirror C1.Center, C3.Center: I' z% E% S* S7 ?- s
- C4.Radius = r + 20
: V5 ]& y# f/ ?2 ]5 b5 ?% q - Cf1.Delete
. q3 }. ?. W1 C& B- B - Cf2.Delete
" c5 f$ Q9 T" C0 L/ E - L.Delete9 A- r, S# z! F
- End With" n, |6 |( t$ E/ b7 @. w
- End Sub
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