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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(); L( a/ F0 S; t. B
- Dim PL(0) As AcadLWPolyline, Ps(11) As Double, C(0) As AcadCircle, P(2) As Double0 d- T( B7 y, y( Y3 R6 f& W
- Dim R1 As Variant, R2 As AcadRegion
M8 F4 a; G" ?- E - Dim S1 As Acad3DSolid, S2 As Acad3DSolid5 D& q" k! ]% y, m0 Z5 ]
- Dim UCS As AcadUCS, Xp(2) As Double, Yp(2) As Double
; E6 x7 ~( u0 @- T) M0 w - With ThisDrawing0 D. `" _% i2 ]1 w5 K: C9 D
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+ b* l( N8 E8 w& d: g# t" ]0 D+ I" j$ V - '转换到世界坐标系WCS* y8 g9 X# g3 [4 X
- SendCommand "ucs w "
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8 H' |7 g4 g; c4 u- q: Q) _: s - '定义优化多段线的顶点坐标. s$ Q2 t5 N# f9 _2 V s
- Ps(0) = -7: Ps(1) = -129 s, s1 {) s4 j
- Ps(2) = 7: Ps(3) = -12
2 a) |# H3 n' E( |3 Q- g; |- |& L - Ps(4) = 12: Ps(5) = -7. B5 r" A/ [, q; A6 h3 ]* O
- Ps(6) = 12: Ps(7) = 0' x8 h8 {( S" U* | u
- Ps(8) = -12: Ps(9) = 08 [. Y( E) M6 R. x5 E& [$ \% A
- Ps(10) = -12: Ps(11) = -7/ t+ ^. D( n6 R1 ~* W- ^
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9 g3 A' W% _1 j1 P# _" n - '创建优化多段线
/ f+ I, i+ {$ j; [& E: V& w& { - Set PL(0) = .ModelSpace.AddLightWeightPolyline(Ps)
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P2 Z/ A) u3 e, F7 u - '多段线闭合- h; l+ ^0 d8 V/ U, l& v
- PL(0).Closed = True
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( j% [. d- V% A3 {" q - '多段线第2、3顶点间部分改为90度圆弧* Z' t( ], y1 x& I8 \/ s T
- PL(0).SetBulge 1, .Utility.AngleToReal(22.5, acDegrees)
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3 G( S1 i3 M: ?- S/ K2 y5 D$ e - '多段线第4、5顶点间部分改为180度圆弧
7 n& a$ N/ k$ i2 x - 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) t% V- f1 K' R+ b
- PL(0).SetBulge 5, .Utility.AngleToReal(22.5, acDegrees)
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- '用多段线做面域" n2 k$ y# C5 z# i- P$ ]8 o
- R1 = .ModelSpace.AddRegion(PL)+ u7 b/ A8 c) Y7 m" x7 q3 r
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3 e6 ]9 v2 ^( c, ~: r - '把面域赋值给R2,便于下步使用) V; {- A* [8 c- v) j9 p: M
- Set R2 = R1(0)
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/ _- g+ z9 o- T! Y/ a8 G - '以原点为圆心,半径10画圆
# S. M, r/ x! R# a1 {4 ?( U - Set C(0) = .ModelSpace.AddCircle(P, 10)' e! V$ f: l2 I# u k
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- '用圆做面域, Y4 j2 Y$ Z' f
- 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
. x G" [: D) _4 u, }$ X - R2.Boolean acSubtraction, R1(0)
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- '把面域拉伸为三维实体S1,高度50
' x+ m' h. b* b - Set S1 = .ModelSpace.AddExtrudedSolid(R2, 50, 0)/ c9 |" e: e, e! T5 t# u
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- '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
: H% @% Q( s5 n - Xp(0) = 1: Xp(1) = 0: Xp(2) = 0
6 e9 {* G1 H+ o1 a1 g) S5 i ]7 R1 V - Yp(0) = 0: Yp(1) = 0: Yp(2) = 1
7 n. U4 [% N- a0 V9 p9 C4 ? - Set UCS = .UserCoordinateSystems.Add(P, Xp, Yp, "AAA")- d/ J! B! k! g( y O' b
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- '把UCS“AAA”置为当前
' B; s8 ^! l2 }# B# J# b - .ActiveUCS = UCS
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- '以世界坐标系(0,12,10)为圆心,半径2画圆; y5 x9 O( A# `3 k2 b5 G# T
- P(0) = 0: P(1) = 12: P(2) = 10- Z" p9 D6 N7 G
- Set C(0) = .ModelSpace.AddCircle(P, 2). K# ^% ^8 @& X9 S0 z# {
-
, W( W% R9 x. g) r - '把该圆做成面域 a! j- |3 m9 n5 A1 u3 O* [. I
- R1 = .ModelSpace.AddRegion(C)8 @4 x2 T/ j0 P# w
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) c6 G6 p/ U& o. x - '拉伸该面域为三维实体S2,高度24
9 {) G, q# k3 B& |; J, L - Set S2 = .ModelSpace.AddExtrudedSolid(R1(0), 24, 0)* _8 u4 ]0 g5 e0 O( y, C
-
, ~6 Z' I- I$ E4 O. ^: e - 'S1与S2差集,新实体为S1$ C8 r7 z5 [# u% t9 W/ a, R& a
- S1.Boolean acSubtraction, S2
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& W- L/ |( V! d4 K( r5 W. ]+ _ - '以世界坐标系(0,12,40)为圆心,半径2画圆
5 b! [5 d4 V7 _ - P(0) = 0: P(1) = 12: P(2) = 40: Z) y! V* m* c
- Set C(0) = .ModelSpace.AddCircle(P, 2)' L" x, ~- c4 o% ^# v
-
- L& h6 f. T$ @7 |8 e7 R8 M- u - '把该圆做成面域
( m- _2 M& M/ ?6 G7 @( Q - R1 = .ModelSpace.AddRegion(C)
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% B, J5 @ ?' U6 G( Z - '拉伸该面域为三维实体S2,高度245 O# l7 Z' ?( X: G
- Set S2 = .ModelSpace.AddExtrudedSolid(R1(0), 24, 0)
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- D5 Q$ C- [. F* X; x w3 S. u - '差集
x& O+ D' U9 }# x% L7 k+ \ - S1.Boolean acSubtraction, S21 @( B6 p0 _* y4 K1 m. v4 |0 t2 I% s
- End With7 r# s* S( @5 C' Q9 D) x% T
- End Sub
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