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发表于 2009-2-7 20:42:46
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来自: 中国
第二个图
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B1 e( O0 J- k$ i& L) {0 W2 n- Sub A()
) e3 U9 T( f- D' L - Dim PL(0) As AcadLWPolyline, Ps(11) As Double, C(0) As AcadCircle, P(2) As Double! g: C4 N7 `5 K0 `) W. |7 K2 F' u8 M
- Dim R1 As Variant, R2 As AcadRegion
0 r( `* p) y6 ?/ M3 ]1 r* g - Dim S1 As Acad3DSolid, S2 As Acad3DSolid8 `: m) N9 P D3 E/ r4 z
- Dim UCS As AcadUCS, Xp(2) As Double, Yp(2) As Double
8 w2 Z: _* V( w# r - With ThisDrawing
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- '转换到世界坐标系WCS: C) A" j. `6 M, s
- SendCommand "ucs w "
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( o7 l* _" G/ x0 E) _4 \/ x - '定义优化多段线的顶点坐标0 ]1 I2 k3 _5 h0 A7 N9 l
- Ps(0) = -7: Ps(1) = -12% t" N) Q+ F5 n8 J! K. z4 }" e
- Ps(2) = 7: Ps(3) = -12
0 @3 o8 z% C- H' v. }+ M) x% T - Ps(4) = 12: Ps(5) = -7
; e5 v: [' c7 ]' a# D - Ps(6) = 12: Ps(7) = 0
- ?+ X" R% R+ n+ R# \$ P$ A% ]. J - Ps(8) = -12: Ps(9) = 0# ?2 Y2 w4 g+ v' \
- Ps(10) = -12: Ps(11) = -7/ \6 x% A0 H; b7 {2 L y, v
- 7 q( ]+ ]- z* v) w9 }0 A. v) ]
- '创建优化多段线0 U$ o5 I) Z( a5 d! h8 ~6 X, Y7 S3 N- F: J
- Set PL(0) = .ModelSpace.AddLightWeightPolyline(Ps), k. n) V" ~$ ]8 h
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- '多段线闭合9 }, r9 n6 e3 {& j% |2 A
- PL(0).Closed = True
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- '多段线第2、3顶点间部分改为90度圆弧1 t, K- K1 H5 k* F2 P6 P
- PL(0).SetBulge 1, .Utility.AngleToReal(22.5, acDegrees)0 H; y. K/ p8 K3 F% q
- 5 Z' o! Y5 e6 P) O+ \3 K
- '多段线第4、5顶点间部分改为180度圆弧
# M, {! O4 R8 a. [2 B" M - PL(0).SetBulge 3, 1# c. Q t. ~. c& F
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- '多段线第6、1顶点间部分改为90度圆弧+ ], r2 B9 R% m' l
- PL(0).SetBulge 5, .Utility.AngleToReal(22.5, acDegrees)
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8 K) Y/ B/ ]: b6 n: D - '用多段线做面域6 y( K+ r4 V; x
- R1 = .ModelSpace.AddRegion(PL)% `: a6 G, r- f+ Y5 U
-
- \! y; S0 V1 K0 x" { - '把面域赋值给R2,便于下步使用
L7 u! ?+ u% [- J" U - Set R2 = R1(0)
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# M( L% F- W9 M( E. R - '以原点为圆心,半径10画圆4 q8 a1 L8 s: S
- Set C(0) = .ModelSpace.AddCircle(P, 10)
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- '用圆做面域/ @! w' |( Y1 Y$ I9 W8 i# G
- R1 = .ModelSpace.AddRegion(C)- C" l& i: ]+ G g l
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- '多段线做成的面域与圆做成的面域差集/ o- b0 r: S$ ?0 \
- R2.Boolean acSubtraction, R1(0)
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- '把面域拉伸为三维实体S1,高度50
4 k9 M' }3 A4 L" R: A/ a$ w% V - Set S1 = .ModelSpace.AddExtrudedSolid(R2, 50, 0)0 o: U& I6 q7 r8 O* K% ^3 F
- " ^0 \0 f( m6 r2 j: U
- '新建UCS,原世界坐标系WCS的XZ平面为新UCS“AAA”的XY平面,原点不变
3 I/ p U- u1 J - Xp(0) = 1: Xp(1) = 0: Xp(2) = 0
% n/ ]& \* `% R6 F( z - Yp(0) = 0: Yp(1) = 0: Yp(2) = 18 d; W+ U2 _% Y: g" a
- Set UCS = .UserCoordinateSystems.Add(P, Xp, Yp, "AAA")
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1 q' G4 D" P' V; `$ |- p, W- e - '把UCS“AAA”置为当前
% t/ E9 W! O7 h% R7 v. G - .ActiveUCS = UCS
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- '以世界坐标系(0,12,10)为圆心,半径2画圆
; ]- e1 g' D) B: z. x - P(0) = 0: P(1) = 12: P(2) = 105 X @0 c* s4 S3 I. _4 K
- Set C(0) = .ModelSpace.AddCircle(P, 2)
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+ ]* p5 X& k& d3 `5 ]" [ - '把该圆做成面域
' K! e9 C# N, ^5 i) b4 Q - R1 = .ModelSpace.AddRegion(C)! x# J* C" O% C$ g$ N% C: O
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# Q4 O9 |* `( G `) Q - '拉伸该面域为三维实体S2,高度24
F' \9 E3 _3 B+ h6 G - Set S2 = .ModelSpace.AddExtrudedSolid(R1(0), 24, 0)
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8 ~; X8 @+ u0 }: ]) m - 'S1与S2差集,新实体为S11 I9 [1 J3 L( o/ J* P
- S1.Boolean acSubtraction, S2
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- '以世界坐标系(0,12,40)为圆心,半径2画圆1 J0 ^0 K8 d2 J$ n
- P(0) = 0: P(1) = 12: P(2) = 40' K, b# ?) B7 X+ H; o2 e4 a3 _
- Set C(0) = .ModelSpace.AddCircle(P, 2)* \6 N4 n; _) m4 k0 W
-
' [* @! k" Y" g - '把该圆做成面域: G9 b5 @4 w& k- ]/ e u. Z9 g
- R1 = .ModelSpace.AddRegion(C)
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- '拉伸该面域为三维实体S2,高度24
4 }0 H5 g- h7 Q9 s3 r - Set S2 = .ModelSpace.AddExtrudedSolid(R1(0), 24, 0)
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- '差集+ s+ C) l2 v# e& B S; J; w
- S1.Boolean acSubtraction, S2
( v# R$ r4 B- ^/ C6 } - End With# {+ G* M- T' M# L# b* ]( c. ?
- End Sub
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