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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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- Sub A()
; q0 l$ w' `' B: ]6 S - Dim PL(0) As AcadLWPolyline, Ps(11) As Double, C(0) As AcadCircle, P(2) As Double# |! N5 O6 \3 Z( r; D2 b
- Dim R1 As Variant, R2 As AcadRegion
; ?7 g9 u& g7 u) b* h( m - Dim S1 As Acad3DSolid, S2 As Acad3DSolid
$ K) e9 O, }: c* a+ S. W - Dim UCS As AcadUCS, Xp(2) As Double, Yp(2) As Double
$ v" x3 ^9 O1 x$ o - With ThisDrawing- R% m7 Y3 ?. Q8 Z: u+ u$ Y( o
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- '转换到世界坐标系WCS2 p N9 k& z/ \
- SendCommand "ucs w "
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& U5 B& c& @4 r8 v! ^2 G - '定义优化多段线的顶点坐标( v4 q8 x7 _2 \2 f1 y
- Ps(0) = -7: Ps(1) = -12+ a, }. l [3 m
- Ps(2) = 7: Ps(3) = -128 l* n6 C9 x& z) c: T
- Ps(4) = 12: Ps(5) = -7# P: @3 z1 t2 v7 D1 _& r
- Ps(6) = 12: Ps(7) = 0: q* c# v% n: b6 y) s
- Ps(8) = -12: Ps(9) = 0) O) V# C( l# z3 J1 L4 k
- Ps(10) = -12: Ps(11) = -7
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* Z) {' |& l) y/ f$ A' f; M - '创建优化多段线- g, x+ K1 T! s2 V
- Set PL(0) = .ModelSpace.AddLightWeightPolyline(Ps)/ H- f; O8 o1 r9 T" s2 }
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2 ]; I% h6 M0 O0 a0 F - '多段线闭合9 \, C$ r, w0 [; q- C$ n7 y ]
- PL(0).Closed = True5 l& b5 _/ |6 Z; r' G6 h
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i/ j: j/ v$ T - '多段线第2、3顶点间部分改为90度圆弧
$ Q1 e9 M2 a/ z - PL(0).SetBulge 1, .Utility.AngleToReal(22.5, acDegrees) n/ W& ~, Y, U
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; h' y+ I( N4 m1 p. |# ^ - '多段线第4、5顶点间部分改为180度圆弧
" f7 O& ^) y, ^3 n b7 n( ? - PL(0).SetBulge 3, 1
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8 q5 h8 U8 ]$ \1 R$ T/ K+ o - '多段线第6、1顶点间部分改为90度圆弧
. S9 _% N$ l6 h' ~( F - PL(0).SetBulge 5, .Utility.AngleToReal(22.5, acDegrees), L$ G8 d% Q/ r& s' Y, _+ }
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- '用多段线做面域
' t; a# L7 P; p, s - R1 = .ModelSpace.AddRegion(PL)) p v g/ H8 o8 O
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- '把面域赋值给R2,便于下步使用
0 y# H- F* C* \- O - Set R2 = R1(0)
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! @6 b) j4 |) d: v7 U+ v - '以原点为圆心,半径10画圆
" [- ~' z6 R9 }% ~ - Set C(0) = .ModelSpace.AddCircle(P, 10)/ j+ _3 V2 t% X% u0 |1 o/ T% O Q
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. `( R' w3 A, f1 v0 u3 }' N, l - '用圆做面域
1 O2 q+ a7 }$ _: S, g7 a- G - 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
* P* F4 s: X2 s5 H - R2.Boolean acSubtraction, R1(0)
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- '把面域拉伸为三维实体S1,高度50
4 |+ i0 A' I) v* a+ Y - Set S1 = .ModelSpace.AddExtrudedSolid(R2, 50, 0)
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! X `4 v! A) Q' h' 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) N/ c S! x; G- k- r) s7 {; B
- Xp(0) = 1: Xp(1) = 0: Xp(2) = 0; D6 ~' r* ?; I( J9 S3 I6 P
- Yp(0) = 0: Yp(1) = 0: Yp(2) = 1
! O$ L/ A N) x8 l! k" ]# c - Set UCS = .UserCoordinateSystems.Add(P, Xp, Yp, "AAA")
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- '把UCS“AAA”置为当前" A* d `5 J9 i( g
- .ActiveUCS = UCS# Y1 M/ d7 r5 `) k7 w
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- q, ^; }8 a, u; A* b3 h+ m - '以世界坐标系(0,12,10)为圆心,半径2画圆4 z0 y8 w% A* W( {7 r
- P(0) = 0: P(1) = 12: P(2) = 10
+ p) c0 S, `9 {" K" C. G$ L8 P! ?5 L - Set C(0) = .ModelSpace.AddCircle(P, 2): e9 i& e+ A; z
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+ C9 M' M, y7 W2 B9 t, u - '把该圆做成面域+ V6 E c0 L& y/ T. w @( a
- R1 = .ModelSpace.AddRegion(C)- o5 x U7 V. q; S$ P
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- '拉伸该面域为三维实体S2,高度24( m9 b5 S5 s2 ^1 k8 \
- Set S2 = .ModelSpace.AddExtrudedSolid(R1(0), 24, 0)
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( `5 O" j" H5 J - 'S1与S2差集,新实体为S1
& R; F5 H' h( Q& L" R$ P& r - 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
9 p& E7 v7 d; V4 c4 E - P(0) = 0: P(1) = 12: P(2) = 404 r1 e6 f2 s* b% |2 h
- Set C(0) = .ModelSpace.AddCircle(P, 2)
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- '把该圆做成面域
' l4 b" [1 @1 E1 @ - R1 = .ModelSpace.AddRegion(C)7 z5 x& t+ x2 E7 O1 `
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! y* e4 x- K8 n' y7 |' C - '拉伸该面域为三维实体S2,高度24% n I( ^4 ]# ?0 ~9 o
- Set S2 = .ModelSpace.AddExtrudedSolid(R1(0), 24, 0)* N. h5 `% L; ~' y
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- '差集, c& J r$ O( y1 E5 j# I7 d; r; A3 |
- S1.Boolean acSubtraction, S2
0 n" Z0 q! }8 E! e& p+ R - End With
& j3 c* k- ]# _ - End Sub
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