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发表于 2009-2-7 20:42:46
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来自: 中国
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$ p! | s6 `5 n4 [- Sub A(), V+ P7 w9 h' ^7 l8 R
- Dim PL(0) As AcadLWPolyline, Ps(11) As Double, C(0) As AcadCircle, P(2) As Double
' |! a. |$ h5 T- b- Y3 Y9 K/ P' B; _ - Dim R1 As Variant, R2 As AcadRegion1 ]+ E* \- C8 K4 h! p. _4 T$ J. U
- Dim S1 As Acad3DSolid, S2 As Acad3DSolid
1 m. l# I, |; a0 a5 G$ Z" W - Dim UCS As AcadUCS, Xp(2) As Double, Yp(2) As Double
R+ c8 k. \" n$ S - With ThisDrawing& M" P2 m# A( X- |6 y
- . V& O3 b) B" M! Y
- '转换到世界坐标系WCS
& k1 _; P; m+ y/ [- v - SendCommand "ucs w "9 }1 F# H6 \4 p$ N" m
-
7 ?2 j, p* j1 ?9 i- E - '定义优化多段线的顶点坐标
) P {) ^; H( \* n# ~, U - Ps(0) = -7: Ps(1) = -12
3 j5 {0 D- X" a: \" Y1 O" ]+ q! ^ - Ps(2) = 7: Ps(3) = -12
$ g5 E; H6 y+ B9 M& w+ I' C7 H - Ps(4) = 12: Ps(5) = -7
- F) m0 K" Q# g5 i9 s1 N - Ps(6) = 12: Ps(7) = 0
' N; B5 N' W: z: f" W) J4 s - Ps(8) = -12: Ps(9) = 0
' d- p: `" T8 W6 T! @ `; G7 c- ^ - Ps(10) = -12: Ps(11) = -7
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- '创建优化多段线/ u2 E$ v6 @4 }
- Set PL(0) = .ModelSpace.AddLightWeightPolyline(Ps)% L! m7 ^% H3 h( u
- ; e4 G0 c+ ^0 W0 D
- '多段线闭合9 ?3 d; M# ^0 A/ k6 `% A- n" t! e M( |
- PL(0).Closed = True
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: _$ j' v# W7 O0 h - '多段线第2、3顶点间部分改为90度圆弧
2 \4 b, \, G; |. ?+ ?4 u - PL(0).SetBulge 1, .Utility.AngleToReal(22.5, acDegrees)7 |, {3 C, Z0 O
- - w5 C$ J0 \3 U, T
- '多段线第4、5顶点间部分改为180度圆弧, S4 P( H9 B' |* @# ~/ U
- PL(0).SetBulge 3, 1: \* Z7 g+ O/ Z: U/ n# ?$ P. c
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3 w5 u* h/ {. C& h& b) C/ J - '多段线第6、1顶点间部分改为90度圆弧
' `# b* r" n& j' [ - PL(0).SetBulge 5, .Utility.AngleToReal(22.5, acDegrees)+ j! p) |) D5 K0 B6 a( `
- * u# K7 Y: D3 q0 B ?. n `; a
- '用多段线做面域: A0 S* ?, E( p5 o# M3 U
- R1 = .ModelSpace.AddRegion(PL)
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/ Q) x, E: ?& ], \ - '把面域赋值给R2,便于下步使用
$ e% k3 y {. J3 I. k5 s - Set R2 = R1(0)
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- '以原点为圆心,半径10画圆- c, c9 ? \$ r# A5 @
- Set C(0) = .ModelSpace.AddCircle(P, 10)
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' {' [' N* M5 f, P, u! u% | q - '用圆做面域- \2 F* ~/ n2 W
- R1 = .ModelSpace.AddRegion(C)4 q4 t; ?/ |" ^4 Z$ L4 {
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- '多段线做成的面域与圆做成的面域差集8 r. `7 n- V1 ~1 Y% r& E! V3 l, X, r1 Y
- R2.Boolean acSubtraction, R1(0)
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- '把面域拉伸为三维实体S1,高度50
# X% P/ O4 B/ ~# ]- K0 ?9 m - Set S1 = .ModelSpace.AddExtrudedSolid(R2, 50, 0)* A6 x$ G [' ^2 v7 E- ^- I
- . i5 x5 ^( s& s$ w0 X* t
- '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9 J1 x% L- T4 X8 m) V# c! ~
- Xp(0) = 1: Xp(1) = 0: Xp(2) = 0, e1 Y& V& E# Z' x
- Yp(0) = 0: Yp(1) = 0: Yp(2) = 1
2 ~1 L9 f& J1 o) ] - Set UCS = .UserCoordinateSystems.Add(P, Xp, Yp, "AAA")
3 U6 ^0 E" Z( Z0 S' q8 T% ]3 w6 f -
' L8 q! a& N# {# {! l9 D9 s - '把UCS“AAA”置为当前
$ k9 D3 ?4 f a7 M ^/ U& C" ~ - .ActiveUCS = UCS
* m5 P8 U) h' B" \, s9 _ -
! d% r. z1 m6 \8 K# }9 K9 b - '以世界坐标系(0,12,10)为圆心,半径2画圆* f( e8 @; Y% |" V& K
- P(0) = 0: P(1) = 12: P(2) = 10
^! d0 |* l( G7 ^* y - Set C(0) = .ModelSpace.AddCircle(P, 2)
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- '把该圆做成面域* w" L1 q8 w8 c. F1 A: k5 @% Y
- R1 = .ModelSpace.AddRegion(C)
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% {! i, ^# o& I* z - '拉伸该面域为三维实体S2,高度24
. Y- @ ?# n7 A7 i - Set S2 = .ModelSpace.AddExtrudedSolid(R1(0), 24, 0)
0 u- F7 e8 ^; O* Z' d/ e+ h7 I - 3 P* i& k% X6 j" T7 R% { z
- 'S1与S2差集,新实体为S1
- d: v- x: N- X' h V K+ [( ^ - S1.Boolean acSubtraction, S2& F# v- B9 l4 m5 `% \% u' f1 W* ]7 V
-
0 K3 ^/ N0 S& x+ e( m - '以世界坐标系(0,12,40)为圆心,半径2画圆, Z3 P: _2 {5 H! }
- P(0) = 0: P(1) = 12: P(2) = 40' m) ?" ]5 S! p
- Set C(0) = .ModelSpace.AddCircle(P, 2)( _+ t5 B" Z7 @- W! x2 S0 \& k6 ~$ Y
- - L, s2 B1 V; r' x* g9 n1 U
- '把该圆做成面域" x7 @* t+ l4 q
- R1 = .ModelSpace.AddRegion(C)& y' J% M; Y# ^
- 1 W, `, N& g; u# N
- '拉伸该面域为三维实体S2,高度24' |. _ O( k7 L- k( S2 {
- Set S2 = .ModelSpace.AddExtrudedSolid(R1(0), 24, 0)2 [8 |! i$ q3 X) {4 f$ q
-
% ]" @& b$ H+ F5 }7 N+ M2 [' r - '差集
- s" Y+ \. ] Y+ n: x7 u6 t! B - S1.Boolean acSubtraction, S2
8 }2 R8 v2 Z- X+ l - End With5 m) v1 ^2 j0 P+ k6 Z
- End Sub/ h' F* F+ L, ]/ t) ^
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