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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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7 j( s5 [9 D7 G$ @) M+ n3 g- Sub A()
) G9 q6 ^$ F4 a4 `: R$ b- j - Dim PL(0) As AcadLWPolyline, Ps(11) As Double, C(0) As AcadCircle, P(2) As Double7 J: c2 v, w" ?" p8 a1 \' y
- Dim R1 As Variant, R2 As AcadRegion* E' V/ b0 U$ u
- Dim S1 As Acad3DSolid, S2 As Acad3DSolid3 O& A4 w" G* M( _
- Dim UCS As AcadUCS, Xp(2) As Double, Yp(2) As Double: u8 A' x O0 ]0 Z$ B1 y
- With ThisDrawing2 V0 M0 ?4 ~9 ?/ @. b% b
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" @2 `. {# F/ A8 u4 U N - '转换到世界坐标系WCS
. \# B) Z) V' z1 ? - SendCommand "ucs w "
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- '定义优化多段线的顶点坐标
4 J6 X4 z& a9 v& k: q6 I - Ps(0) = -7: Ps(1) = -12* Z6 ^. |5 {& E8 ?% Y
- Ps(2) = 7: Ps(3) = -12
6 z/ L* u" o* x( M - Ps(4) = 12: Ps(5) = -7" L5 Z" @3 m; Q
- Ps(6) = 12: Ps(7) = 0
/ w5 y$ N1 a1 d$ l) A, l( u) d/ l& S - Ps(8) = -12: Ps(9) = 0
# h8 L+ j: z$ W" l - Ps(10) = -12: Ps(11) = -7
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- '创建优化多段线
7 E) C$ p5 ?( a6 z) d - Set PL(0) = .ModelSpace.AddLightWeightPolyline(Ps)
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! \8 o: w/ V/ ^" z/ _ - '多段线闭合4 S" U* v( T4 V& r7 T& B4 I
- 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( J9 | |$ q. L7 K8 W/ r
- PL(0).SetBulge 1, .Utility.AngleToReal(22.5, acDegrees)
/ ?: Z- S. F' f -
2 \% L% }7 K6 U5 ` - '多段线第4、5顶点间部分改为180度圆弧
0 _$ I3 G( z! b9 d% a& r - PL(0).SetBulge 3, 17 o2 L+ @# [5 ^1 A& T2 c+ b8 w
-
2 @, s1 z/ J4 x& v - '多段线第6、1顶点间部分改为90度圆弧0 A1 E2 z2 n* K ]4 w
- PL(0).SetBulge 5, .Utility.AngleToReal(22.5, acDegrees), B4 I$ ^* g( q4 h
- ; s1 O! _0 T( v. U. E) S
- '用多段线做面域
6 y0 C' m- W; P+ ~1 D- F - R1 = .ModelSpace.AddRegion(PL)7 s1 K8 }& Q( n2 s
- ; S4 g/ @. \ \1 e* f6 v9 `
- '把面域赋值给R2,便于下步使用" O; T l J+ V) f. R
- Set R2 = R1(0)
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q/ N9 ?. s% M - '以原点为圆心,半径10画圆
( W! ^! l* A/ x3 V* Q* `- w$ Q - Set C(0) = .ModelSpace.AddCircle(P, 10)
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) t7 S8 f9 O4 Y$ q" w - '用圆做面域
, q$ t$ `5 m% C0 y6 S+ q% h - R1 = .ModelSpace.AddRegion(C)
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- '多段线做成的面域与圆做成的面域差集1 Q3 C. e% `2 X
- R2.Boolean acSubtraction, R1(0)
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/ \" n- [, I6 e) ^ - '把面域拉伸为三维实体S1,高度50
' o- ^" x3 y6 ` - Set S1 = .ModelSpace.AddExtrudedSolid(R2, 50, 0)/ ~- u! T' m0 c0 z6 d6 N
-
' ?2 Z/ S, y! a/ Q: n - '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" L; S; y9 b* X3 @ ]
- Xp(0) = 1: Xp(1) = 0: Xp(2) = 0
1 j d t( m2 S0 V d - Yp(0) = 0: Yp(1) = 0: Yp(2) = 1, e& z1 _' @, O9 N) H
- Set UCS = .UserCoordinateSystems.Add(P, Xp, Yp, "AAA")
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- '把UCS“AAA”置为当前) N" f; { Y5 ~ g/ W
- .ActiveUCS = UCS
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- '以世界坐标系(0,12,10)为圆心,半径2画圆
& Z7 h; N& ~! @ - P(0) = 0: P(1) = 12: P(2) = 108 Z6 m; ]% s- ~
- Set C(0) = .ModelSpace.AddCircle(P, 2)
- D. C" l6 k+ ?6 R0 l* `- e -
! k. F; C- L ~ - '把该圆做成面域0 k7 @, @" x/ i
- R1 = .ModelSpace.AddRegion(C)
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- '拉伸该面域为三维实体S2,高度24
/ K( ?4 r1 A: C- F' @# X - Set S2 = .ModelSpace.AddExtrudedSolid(R1(0), 24, 0)$ ~ Z" o# F1 J; |, u0 Z" k1 o
-
% E; S$ c# d/ `4 M - 'S1与S2差集,新实体为S1; a% y1 F: @7 |1 O$ }0 V
- S1.Boolean acSubtraction, S2/ T7 s6 ~+ f% W; @" o
- 6 |7 W. ]3 X+ I* t: L. y
- '以世界坐标系(0,12,40)为圆心,半径2画圆
7 J T- f9 y2 x' ?; _ - P(0) = 0: P(1) = 12: P(2) = 404 q5 x0 `/ N. ]8 ~! G0 V+ C
- Set C(0) = .ModelSpace.AddCircle(P, 2)
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- '把该圆做成面域/ b) ~/ K; W4 v. [2 s
- R1 = .ModelSpace.AddRegion(C)
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- '拉伸该面域为三维实体S2,高度24$ y( C* f5 m3 }, v. t. W5 W
- Set S2 = .ModelSpace.AddExtrudedSolid(R1(0), 24, 0)
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% Q* n8 c# G, p% m - '差集
2 Y/ y% k) ]2 E0 ]6 c5 x0 m; u4 P - S1.Boolean acSubtraction, S2' v6 j( ^4 Y8 P& T5 W2 X$ _
- End With8 ?3 n6 B% ]$ y& A M$ ?
- End Sub
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