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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+ _, W+ O0 P% C4 \1 M7 _7 I( c
, F$ {% f) J1 n) m! W- Sub A()
7 O. D2 W' n: m7 H - Dim PL(0) As AcadLWPolyline, Ps(11) As Double, C(0) As AcadCircle, P(2) As Double1 e& T( q" w/ F3 l* b" M% X
- Dim R1 As Variant, R2 As AcadRegion3 R s' g+ l2 X2 C; ]2 O" {) J: l
- Dim S1 As Acad3DSolid, S2 As Acad3DSolid
/ m" K: E5 @% f6 x8 r0 f- a O - Dim UCS As AcadUCS, Xp(2) As Double, Yp(2) As Double
: m1 o% z+ V) o+ _ G' O - With ThisDrawing
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- '转换到世界坐标系WCS. }9 X9 {$ n3 M) z/ e: c: r/ R
- SendCommand "ucs w "3 m* Y& x* h' V1 r4 T5 A8 r
-
% M$ l" y. X0 i" P( h& q - '定义优化多段线的顶点坐标3 F& M+ A2 |# ]. ^
- Ps(0) = -7: Ps(1) = -12
7 N, e' o7 X. e# t5 ? - Ps(2) = 7: Ps(3) = -12: M# x% j/ L/ T; Y& b/ I
- Ps(4) = 12: Ps(5) = -7* H) `6 X; J% [6 H1 B% m; l* q4 ?
- Ps(6) = 12: Ps(7) = 07 ^) g7 D6 l6 ]
- Ps(8) = -12: Ps(9) = 05 W$ y* ]% h" m% u
- Ps(10) = -12: Ps(11) = -7
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- '创建优化多段线. B/ }/ |3 w% E1 L3 z
- Set PL(0) = .ModelSpace.AddLightWeightPolyline(Ps)
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- '多段线闭合- E9 b' L4 e; p/ A0 P# M
- PL(0).Closed = True3 O3 E* N/ l: O- F+ n9 y9 i* }
-
7 R! V0 o6 L5 N* [ - '多段线第2、3顶点间部分改为90度圆弧
& f( T$ Q5 l* T: P7 i8 Q0 N - PL(0).SetBulge 1, .Utility.AngleToReal(22.5, acDegrees)
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+ V' p, H. o$ s7 m& V: v" ]# D3 k - '多段线第4、5顶点间部分改为180度圆弧
7 v4 t1 }7 G/ s3 K1 Y) f) F# @ - PL(0).SetBulge 3, 1' |3 n- ~2 z5 h# c9 [8 e
-
. {+ I1 o5 Z$ H* d" l - '多段线第6、1顶点间部分改为90度圆弧8 e) O& ]. X, A
- PL(0).SetBulge 5, .Utility.AngleToReal(22.5, acDegrees)( `+ w( P2 q! Q h+ R; P% ?+ y
-
( [- y" J1 Y* n. Q# Y7 a - '用多段线做面域# S* X% M( k3 ]' Y! G
- R1 = .ModelSpace.AddRegion(PL)
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- '把面域赋值给R2,便于下步使用( A% v5 T4 t: e3 T
- Set R2 = R1(0)
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- '以原点为圆心,半径10画圆! d8 w- }6 }3 z4 v- O q
- Set C(0) = .ModelSpace.AddCircle(P, 10)
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- '用圆做面域
4 f! S* [& G0 c& ? - R1 = .ModelSpace.AddRegion(C)
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1 w _; H( F+ u; j. w - '多段线做成的面域与圆做成的面域差集' a9 ?9 z! B f
- R2.Boolean acSubtraction, R1(0): p& h E$ a- M) u# J6 Y
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1 O5 Z8 q j' r - '把面域拉伸为三维实体S1,高度50: |. r8 i2 w* Q" D- Q/ E
- Set S1 = .ModelSpace.AddExtrudedSolid(R2, 50, 0)
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$ F1 d5 o4 v4 q q+ s9 {5 G, o - '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
7 c8 y. J, s9 p. @% H1 w - Xp(0) = 1: Xp(1) = 0: Xp(2) = 0& V+ w( R5 n/ O9 F5 G$ O) p/ q. c3 I
- Yp(0) = 0: Yp(1) = 0: Yp(2) = 1' X" i/ g! _* _) A& n+ T6 o
- Set UCS = .UserCoordinateSystems.Add(P, Xp, Yp, "AAA")
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) a# O9 V) Z9 ?* U2 F l u - '把UCS“AAA”置为当前
- N# L3 x2 l+ |- Y$ P - .ActiveUCS = UCS
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- '以世界坐标系(0,12,10)为圆心,半径2画圆
5 q& Z/ t. c# v7 y8 t8 C3 O - P(0) = 0: P(1) = 12: P(2) = 10
4 Z2 z+ N, A! U' w2 M - Set C(0) = .ModelSpace.AddCircle(P, 2)
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8 |0 j- ^' {- K! N - '把该圆做成面域; u* Q: D( g6 J2 p8 E) d* d5 q4 O
- R1 = .ModelSpace.AddRegion(C)
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( X! d5 g: c9 l2 O. ~! o - '拉伸该面域为三维实体S2,高度24
b" f; O1 h/ ]1 y3 J6 B: h - Set S2 = .ModelSpace.AddExtrudedSolid(R1(0), 24, 0). _9 x6 L8 m. c" z: ^9 `
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( O( C8 T* W2 R7 s' { - 'S1与S2差集,新实体为S1
' ^& p1 F5 \. h* E& g7 ` - S1.Boolean acSubtraction, S2
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) ?0 `: L+ c, O' s! c - '以世界坐标系(0,12,40)为圆心,半径2画圆
! p2 v* }. y8 b( M1 S - P(0) = 0: P(1) = 12: P(2) = 40
3 @3 K3 {3 `4 Z* v/ [ - Set C(0) = .ModelSpace.AddCircle(P, 2)3 J) r% e6 _4 ?6 V# |0 Z
-
3 |1 G8 ?7 D+ b5 o( l - '把该圆做成面域* S. l. i9 k# e6 q
- R1 = .ModelSpace.AddRegion(C)
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- '拉伸该面域为三维实体S2,高度24: \$ L5 n6 c; |* z& K) r- K
- Set S2 = .ModelSpace.AddExtrudedSolid(R1(0), 24, 0); H0 G3 F, V& G4 r
- 3 T$ O! i. @! e# Z5 g: e1 p
- '差集
) ^) T9 Z! _0 n, J% X% U - S1.Boolean acSubtraction, S2
) F5 s; f# W5 \7 W- R+ U - End With8 J2 y1 _- m% |! F7 N2 Y' }
- End Sub
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