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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()( v) K0 p$ p6 ~5 B8 w0 ^8 O
- Dim PL(0) As AcadLWPolyline, Ps(11) As Double, C(0) As AcadCircle, P(2) As Double3 R6 O: k9 r& x5 r! _, l. K( T
- Dim R1 As Variant, R2 As AcadRegion" R$ R: h1 L6 X$ i+ j
- Dim S1 As Acad3DSolid, S2 As Acad3DSolid
2 c0 B! j8 j6 O# R! g - Dim UCS As AcadUCS, Xp(2) As Double, Yp(2) As Double
% A8 G5 h) v" @$ t/ L - With ThisDrawing
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2 Y9 [7 Z5 |+ t) @1 H - '转换到世界坐标系WCS& a. i# _: ^. M& j& f
- SendCommand "ucs w "
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- '定义优化多段线的顶点坐标
# h3 V' b, B* [. }' a( ~1 [/ Z - Ps(0) = -7: Ps(1) = -12: G6 z+ ^9 Z& K5 i
- Ps(2) = 7: Ps(3) = -12
; E% C5 F4 {8 f3 _9 n3 f - Ps(4) = 12: Ps(5) = -7
7 j% `) M0 f. E7 `% B- X& h& J - Ps(6) = 12: Ps(7) = 0 ?9 v$ Y+ G7 V7 N
- Ps(8) = -12: Ps(9) = 0
, Y+ O" W8 _" w% [, }2 P% l" s - Ps(10) = -12: Ps(11) = -7' M! W" _. J( _% ^0 z. X! |
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6 f; h4 c! j/ I [2 u - '创建优化多段线- Q8 C& N3 }) ^4 i( L) G" |. r! ~
- Set PL(0) = .ModelSpace.AddLightWeightPolyline(Ps)( U& H" l6 O& ~6 c3 ]" D9 V
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2 Y4 ^1 X: P$ w7 t5 A" a& Q/ V - '多段线闭合
! j$ M: E1 w7 `; a- F' @: D - PL(0).Closed = True
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, m# P/ d( e0 i - '多段线第2、3顶点间部分改为90度圆弧$ }7 ~$ A M9 U4 E, w6 l6 v
- PL(0).SetBulge 1, .Utility.AngleToReal(22.5, acDegrees) `4 g9 K! \8 K* z# t$ M* g
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; |1 |7 s9 j# a. O9 P - '多段线第4、5顶点间部分改为180度圆弧
: [9 u* ?5 } R+ ` - PL(0).SetBulge 3, 1+ A4 T+ G" s) n6 {+ Y
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- '多段线第6、1顶点间部分改为90度圆弧/ E! P" w: r' Y" \
- PL(0).SetBulge 5, .Utility.AngleToReal(22.5, acDegrees)4 e0 ]5 L6 P1 w# n' @# S
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4 ~! j! P$ K: h3 ]: x+ _% k0 Q: f - '用多段线做面域7 ^; e/ R% m. V6 | M* U" K
- R1 = .ModelSpace.AddRegion(PL)) }8 N9 ^6 h) N( d$ h* a
- ( F0 C+ f) d, e& J; V
- '把面域赋值给R2,便于下步使用
; ? R ^; ?; T$ m+ {" P6 e. c - Set R2 = R1(0)
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- '以原点为圆心,半径10画圆2 @" q$ a' \+ q4 j# L. m, ]
- Set C(0) = .ModelSpace.AddCircle(P, 10)
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5 q2 y: K! F" S! m$ q. Y - '用圆做面域2 t) z: o# `+ z. X0 T5 g5 R
- 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: o& h- o" _% n2 p! Y7 e' [" N9 w* G( X
- R2.Boolean acSubtraction, R1(0), }$ z- q* R7 s/ T; ]) X5 z$ s
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) v$ s0 J- _+ @4 ^, z6 K5 \' F. m - '把面域拉伸为三维实体S1,高度50
' [- E9 ^# P/ q - Set S1 = .ModelSpace.AddExtrudedSolid(R2, 50, 0)
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) _. D7 ]2 {. V: L" \ - '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# A8 t$ T6 |# F- e
- Xp(0) = 1: Xp(1) = 0: Xp(2) = 0 j$ t0 M0 n& }: \
- Yp(0) = 0: Yp(1) = 0: Yp(2) = 1. d- J: X v2 @- k+ R- _
- Set UCS = .UserCoordinateSystems.Add(P, Xp, Yp, "AAA")
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- '把UCS“AAA”置为当前& m( o# T4 X! X
- .ActiveUCS = UCS! N) ]/ A4 y7 J4 e
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( B2 H$ ^/ x% L0 e - '以世界坐标系(0,12,10)为圆心,半径2画圆, m9 M+ R. [$ q4 K5 Q# D
- P(0) = 0: P(1) = 12: P(2) = 10
! L s6 j0 H4 {2 U3 g& `1 {; H* E - Set C(0) = .ModelSpace.AddCircle(P, 2)4 w/ I9 p0 W: y( m- v* E* _
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- '把该圆做成面域! u3 T1 t1 S8 a5 o6 y
- R1 = .ModelSpace.AddRegion(C)
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' ~7 l: ~: c! n1 `$ A9 w& E* t - '拉伸该面域为三维实体S2,高度24
1 j2 q0 W6 S7 w - Set S2 = .ModelSpace.AddExtrudedSolid(R1(0), 24, 0)+ Z, w# g! E! p7 z& D
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0 G8 T) r8 F3 a1 ^2 i- T, k5 |; {4 o9 k - 'S1与S2差集,新实体为S1
7 f" s7 k' g `. q, \ - S1.Boolean acSubtraction, S2! |$ h+ }+ B1 |+ @ m" m3 w9 T. Z/ R
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- '以世界坐标系(0,12,40)为圆心,半径2画圆+ ~* F2 B5 U3 b O
- P(0) = 0: P(1) = 12: P(2) = 401 V& [1 S- i% A( z. E
- Set C(0) = .ModelSpace.AddCircle(P, 2)
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- '把该圆做成面域" ^# R' X# }" s
- R1 = .ModelSpace.AddRegion(C)
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* x7 y0 S9 q/ u: o2 O$ c - '拉伸该面域为三维实体S2,高度24$ J }& S% U1 X
- Set S2 = .ModelSpace.AddExtrudedSolid(R1(0), 24, 0)
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- '差集
% D0 w, I, r! v( q' d - S1.Boolean acSubtraction, S27 F" G7 N+ r! v2 Z& R0 q- T
- End With
8 l& {$ ~( e' N9 Z: M9 ] - End Sub6 B( d" y3 A4 {3 |. b4 G
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