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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 $ s) t0 m1 H3 ^ j
3 t4 G) ? I4 @5 Z/ h/ ^是的6 ]; h. k/ Z* A: p$ N6 A- h! y
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。
- o1 Y$ Y0 ~' X9 Z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, _
+ r4 L7 X7 g2 n' z - 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 Integer4 `2 b, d' [1 a u; J+ }
- With ThisDrawing
3 M8 g+ i2 U$ a4 Q - If .ActiveSpace = acModelSpace Then
/ l1 L' D5 F* h) v% [! {& V - Set Space = .ModelSpace) V) _' S; a7 v5 v p
- Else
' F* g: X) l0 j) ~7 j" D. D - Set Space = .PaperSpace
6 D' w6 g1 X) G! F" }5 l - End If
( f2 l* q. ~8 ^* e1 P: D - Set SS = .SelectionSets.Add("SS" )7 c b8 d" n2 E' _' k+ o6 |8 s
- SS.SelectOnScreen' @) |+ L# d6 b* K* q( v
- If SS.Count > 0 Then
% w9 ^5 z* b& w+ G+ u! o; b1 T - SS(0).GetBoundingBox MinP, MaxP( C% K9 l. G, a- Z
- If SS.Count > 1 Then
r6 f5 D( n- F2 d) G" o+ d: ? - For I = 1 To SS.Count - 1' |5 M% Q/ x( t/ s, z
- SS(I).GetBoundingBox E_min, E_max
4 d; J" ]# M9 R5 x6 e - If E_min(0) < MinP(0) Then MinP(0) = E_min(0)& s" l" T/ }9 q' }1 w! x- [, R
- If E_min(1) < MinP(1) Then MinP(1) = E_min(1), ^0 @6 Y& a0 r( x
- If E_min(2) < MinP(2) Then MinP(2) = E_min(2)! l h+ g% g: A3 Z2 [4 J' }
- If E_max(0) > MaxP(0) Then MaxP(0) = E_max(0)
; D0 W5 _- P2 U& ~! Q" }% s - If E_max(1) > MaxP(1) Then MaxP(1) = E_max(1)
e3 I. T# r" p+ ^. O! B; y - If E_max(2) > MaxP(2) Then MaxP(2) = E_max(2)- U3 J/ E+ V9 z0 y2 B9 S1 B* }
- Next5 w1 g3 J" W/ E9 `. e, P6 I
- End If
1 g+ b3 [# q$ x2 J - P1(0) = MaxP(0): P1(1) = MinP(1): P1(2) = MinP(2)
+ ` J, T) M. X( n3 ] - P2(0) = MaxP(0): P2(1) = MaxP(1): P2(2) = MinP(2)
% ], N6 K5 A) `$ h7 U3 I' I; k. X7 ? - P3(0) = MinP(0): P3(1) = MaxP(1): P3(2) = MinP(2)
6 t2 [9 J( E: V( L/ }0 z- d - P4(0) = MinP(0): P4(1) = MaxP(1): P4(2) = MaxP(2)
& G: m) _5 v) `7 Q# E: U - P5(0) = MinP(0): P5(1) = MinP(1): P5(2) = MaxP(2)# X& Z$ D3 |' V6 P3 k1 e
- P6(0) = MaxP(0): P6(1) = MinP(1): P6(2) = MaxP(2)+ ?9 o0 h' V3 b; o5 F
- C(0) = (MinP(0) + MaxP(0)) / 2: C(1) = (MinP(1) + MaxP(1)) / 2: C(2) = (MinP(2) + MaxP(2)) / 2
! V: |( ~- K, l: q4 G$ Y - With Space/ l% P" z4 H9 A3 p! N) I' [
- .AddLine MinP, P1, _( X6 m- F2 o' ^+ r
- .AddLine P1, P2+ [7 ^2 h. q9 \8 j1 h+ S/ `" Y
- .AddLine P2, P3
5 w: J& t# ?1 B - .AddLine P3, MinP- H% v+ c2 n: `' n* v; K7 g( r
- .AddLine MinP, P5, H; R4 v! w; s7 C) X, t
- .AddLine P1, P6
0 c+ p$ ~, P1 C - .AddLine P2, MaxP ^/ ?! r& r. N6 {8 m* E0 T
- .AddLine P3, P4' m4 f( [8 I3 T5 g$ }
- .AddLine MaxP, P4
' }& V8 g. K9 o4 d2 f& g/ {7 i - .AddLine P4, P5
2 f6 A7 G+ r2 J2 _ - .AddLine P5, P61 ~( A; A- d `. T. |; P
- .AddLine P6, MaxP& A! x8 i, z3 B0 j5 P4 a
- .AddPoint C
& |7 e, G: F/ ~( @9 T. e - End With, @: C* O- B5 b7 y9 Z" L
- End If
; {( C. d; I, G- j7 c - SS.Delete
2 _; G7 W8 y4 k! `2 F - End With
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