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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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- Sub A()7 Z4 h% F0 N; {* N% l( G/ j$ f7 P
- Dim PL(0) As AcadLWPolyline, Ps(11) As Double, C(0) As AcadCircle, P(2) As Double
# G# w- T, O$ w4 c - Dim R1 As Variant, R2 As AcadRegion% {+ t: S' Z- K2 M' i% s
- Dim S1 As Acad3DSolid, S2 As Acad3DSolid* j4 _7 M; ~" v& l' a* l' g7 D
- Dim UCS As AcadUCS, Xp(2) As Double, Yp(2) As Double
8 D6 J! ^+ k9 p+ f2 P - With ThisDrawing
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- '转换到世界坐标系WCS
( U" E* I) }6 {% M - SendCommand "ucs w "6 G8 v* \% Y; }) ~4 P
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9 ~. p y( u( V0 m4 z: R. T - '定义优化多段线的顶点坐标7 R" w, ]% F; O
- Ps(0) = -7: Ps(1) = -12% y3 H6 b' R- r( B) [) J
- Ps(2) = 7: Ps(3) = -12
. t% C, D; o; i% K( G8 R) d - Ps(4) = 12: Ps(5) = -7# {3 O% h5 ~& g
- Ps(6) = 12: Ps(7) = 01 j$ F* x& n/ s$ u/ o3 ^
- Ps(8) = -12: Ps(9) = 0: D: T3 B- A5 T6 [) r- N* A% S
- Ps(10) = -12: Ps(11) = -7* X* f( H5 Y' L J% r/ B
- " p* b2 w: S$ Z
- '创建优化多段线' a8 Z, V0 T+ |5 z: r. C- m& |6 W
- Set PL(0) = .ModelSpace.AddLightWeightPolyline(Ps)* C! o# @( K1 w7 T i) E
- 3 Z5 c+ a% c, M- V$ v( f
- '多段线闭合
& }# s( x$ F( k- v D/ {. I7 p" z - PL(0).Closed = True6 r A) R) t4 C$ q8 ]. f1 }6 T
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$ z0 m5 X/ Y: m' x4 d, p - '多段线第2、3顶点间部分改为90度圆弧
8 C2 r) Q: f5 `! e# Z) c$ [' d" ? - PL(0).SetBulge 1, .Utility.AngleToReal(22.5, acDegrees)
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- '多段线第4、5顶点间部分改为180度圆弧$ q$ c& J7 t7 m. ~
- PL(0).SetBulge 3, 1
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- '多段线第6、1顶点间部分改为90度圆弧* Y) {6 |" k% x0 e+ y, A
- PL(0).SetBulge 5, .Utility.AngleToReal(22.5, acDegrees)
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% {+ W* r6 g# y - '用多段线做面域$ e; I! t! f+ A7 ]: N1 g
- R1 = .ModelSpace.AddRegion(PL)' j, d0 P: w ^- d+ b
- - O) l% s3 w7 L/ B7 }7 f7 b
- '把面域赋值给R2,便于下步使用& ?8 H3 D% ^- X+ I% j
- Set R2 = R1(0)
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- '以原点为圆心,半径10画圆3 C; y: l" j1 d+ \3 l/ J1 N; i
- Set C(0) = .ModelSpace.AddCircle(P, 10)6 j+ c7 l4 K3 B1 I& I$ {1 v
- + m) o; h! H" W# X6 T8 H1 D8 x. x. w
- '用圆做面域
: {3 ~( ^$ b. h m8 m2 c - R1 = .ModelSpace.AddRegion(C)5 Q- T$ J% @$ h' i( l6 H3 T: E
- 4 U5 O" X' M' J6 P+ s/ [* d( q
- '多段线做成的面域与圆做成的面域差集/ q. O* _3 h: n4 ]
- R2.Boolean acSubtraction, R1(0)8 j2 b, {8 X) b7 I8 T
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2 a: f, w, P! K. p7 Z - '把面域拉伸为三维实体S1,高度508 R. O8 C$ l. _- k R) H0 A
- Set S1 = .ModelSpace.AddExtrudedSolid(R2, 50, 0)3 ?+ G" [+ h- k* k. @) E F) A
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6 ?' |% P9 W: I5 E( K - '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
6 d+ |. g6 h! X - Xp(0) = 1: Xp(1) = 0: Xp(2) = 0
$ J0 K$ ^3 [: [3 G3 B3 f- F - Yp(0) = 0: Yp(1) = 0: Yp(2) = 12 s4 e8 L3 ~4 `0 z% B
- Set UCS = .UserCoordinateSystems.Add(P, Xp, Yp, "AAA")
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6 a# a$ f8 M6 H$ e - '把UCS“AAA”置为当前8 H+ ~9 p3 U: z( x! y7 h$ `
- .ActiveUCS = UCS+ k' ]' z) H8 G8 L1 j
- ' n. ?' f9 u$ _
- '以世界坐标系(0,12,10)为圆心,半径2画圆
6 i. N- A: }" v( `$ J! ~* P - P(0) = 0: P(1) = 12: P(2) = 10
2 _& X2 u" E9 b! h: Z7 \ S" R8 d - Set C(0) = .ModelSpace.AddCircle(P, 2)8 Y# o7 D7 Z7 b* |) A) o; O
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: e) |& Y. r: z" R8 d: ]' ^# V - '把该圆做成面域2 Q6 P' u8 {- G \) B6 ~
- R1 = .ModelSpace.AddRegion(C)' b9 Z3 Y& e {# y# {
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% A8 S9 ?# j/ _9 `7 c$ D - '拉伸该面域为三维实体S2,高度24 M x+ T8 u3 s) @9 R) U
- Set S2 = .ModelSpace.AddExtrudedSolid(R1(0), 24, 0)# f9 f8 ]0 Q* u! L5 J
- 1 {# ^0 R) c- w
- 'S1与S2差集,新实体为S1- A. ~% s. ?7 S D
- S1.Boolean acSubtraction, S2
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2 o& d' p& `% B) g% \ - '以世界坐标系(0,12,40)为圆心,半径2画圆! j3 M" }1 \9 f9 @9 v) C3 m7 y0 ^: }! ^
- P(0) = 0: P(1) = 12: P(2) = 40$ L' }$ E5 p: Q. F: K% v+ a% N
- Set C(0) = .ModelSpace.AddCircle(P, 2)% l7 E2 B2 g0 y6 _* S
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' R! ]% P, k; G3 e8 T( K* M& n - '把该圆做成面域; {& V# c+ U3 J; @, s
- R1 = .ModelSpace.AddRegion(C)
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5 ~! Q$ w$ }" w6 m( V' h% R - '拉伸该面域为三维实体S2,高度24' e( g) t- f: }; B+ h
- Set S2 = .ModelSpace.AddExtrudedSolid(R1(0), 24, 0)% H7 m9 M* R% f
- 4 o; D/ L# j2 v5 `
- '差集) k, D. Q- v0 a$ ?
- S1.Boolean acSubtraction, S2
# ]2 B H7 i. ~) ?2 w2 I4 \# m - End With8 u4 ~- y% X" A5 G8 C( W
- End Sub
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