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发表于 2011-7-1 13:59:29
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来自: 中国辽宁
本帖最后由 woaishuijia 于 2011-7-1 14:00 编辑
. K; T) t& j; a7 T! Z& F0 S6 f" @ J1 B% B3 Q
是的# T- [: N: Z7 n" r. k
以后看看能不能找到在cad里面编一个程序来实现这个功能。
2 c5 F' x1 B+ T3 |% V试试下面的代码- Dim Space As AcadBlock, SS As AcadSelectionSet, E As AcadEntity, E_max As Variant, E_min As Variant, MaxP As Variant, MinP As Variant, _' ~5 m9 ~! t- {6 U$ U$ Z9 U
- P1(2) As Double, P2(2) As Double, P3(2) As Double, P4(2) As Double, P5(2) As Double, P6(2) As Double, C(2) As Double, I As Integer
/ V1 f: h3 ~# M! {7 F# O9 W" N T - With ThisDrawing
) g0 ~( _1 V" n& m" w. L" z - If .ActiveSpace = acModelSpace Then
( x0 P9 I; q2 g( _& |2 m' g - Set Space = .ModelSpace
. ^$ `/ j1 [# d" X/ ?0 P" S - Else
: K2 ]/ Z$ A* Z7 L - Set Space = .PaperSpace1 v! j C3 G9 I* N. @) L4 W$ Q
- End If
, G& {5 o+ D) Q# p' B9 t - Set SS = .SelectionSets.Add("SS" )9 l4 P2 Q4 M* p: p
- SS.SelectOnScreen
0 @$ E4 Q4 m5 |0 x9 D+ c - If SS.Count > 0 Then( S6 p4 m G1 _# M6 G, Y: Q s
- SS(0).GetBoundingBox MinP, MaxP
& x0 r2 A; F3 A/ @ - If SS.Count > 1 Then7 R0 P5 F! q& B4 ?6 V
- For I = 1 To SS.Count - 1# I5 H, H6 l( D& t; J
- SS(I).GetBoundingBox E_min, E_max
4 ^- q4 O. w% x2 o* t5 } [ - If E_min(0) < MinP(0) Then MinP(0) = E_min(0)+ A( F5 q5 r) A; e: @$ V
- If E_min(1) < MinP(1) Then MinP(1) = E_min(1)
7 K( o4 E5 x5 o' S% i; C3 ~# Q/ p - If E_min(2) < MinP(2) Then MinP(2) = E_min(2)
+ v6 y6 e# }7 X2 R9 b, R - If E_max(0) > MaxP(0) Then MaxP(0) = E_max(0)
( j* w+ E; F) k& M3 c - If E_max(1) > MaxP(1) Then MaxP(1) = E_max(1)
% ~1 \. L/ e" F6 f - If E_max(2) > MaxP(2) Then MaxP(2) = E_max(2)
0 L5 T w) I9 r2 M9 U. `( t - Next% ~- D" m$ Q) |. L U3 [$ q% I9 H
- End If% K6 e3 \- {; g) X% {
- P1(0) = MaxP(0): P1(1) = MinP(1): P1(2) = MinP(2)7 A5 [' E; b5 M. t2 k+ s
- P2(0) = MaxP(0): P2(1) = MaxP(1): P2(2) = MinP(2)
; K7 ]5 a; @: z: ] - P3(0) = MinP(0): P3(1) = MaxP(1): P3(2) = MinP(2)* B, Q/ a/ D5 b% E7 d8 G0 P
- P4(0) = MinP(0): P4(1) = MaxP(1): P4(2) = MaxP(2)
5 T; P, M% d% c/ M0 K - P5(0) = MinP(0): P5(1) = MinP(1): P5(2) = MaxP(2)" U: O' S# Q* R
- P6(0) = MaxP(0): P6(1) = MinP(1): P6(2) = MaxP(2)& u8 s8 d8 S7 d0 m! y* H" Z5 `: X4 N
- C(0) = (MinP(0) + MaxP(0)) / 2: C(1) = (MinP(1) + MaxP(1)) / 2: C(2) = (MinP(2) + MaxP(2)) / 2 n2 |9 r- Q5 L& z: e
- With Space7 B3 F" K. m a9 J
- .AddLine MinP, P1: | A& D [1 R7 ^( n7 e
- .AddLine P1, P2
( T& Z9 t7 {; z. W0 b! C - .AddLine P2, P3$ a( L# K# ^ L, u/ C
- .AddLine P3, MinP
, B1 T& _% k/ y. q2 f1 k9 o4 j( C4 z - .AddLine MinP, P5
+ A2 ~4 S: N. q, j - .AddLine P1, P6+ X5 M1 A0 ~5 l3 }& @
- .AddLine P2, MaxP2 z: C# h% T* k0 h8 S5 ?2 r) A u
- .AddLine P3, P44 E( P5 K: }& r( S' u
- .AddLine MaxP, P4$ p; e) _ I6 |, ?& I T+ E
- .AddLine P4, P5
1 k! S: ^6 b7 k' J* h% ^# e - .AddLine P5, P6
. I0 v: i0 E0 c* w$ G- G - .AddLine P6, MaxP% c+ Z) X- k6 [9 K4 e
- .AddPoint C
' \% g0 f& j( p5 @ - End With( H2 c8 u7 N6 N
- End If
" H$ B+ i; q& f- t& G - SS.Delete
& q* M6 c9 S( ]7 E$ B8 v. B4 J - End With
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