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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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# X* j, g/ ]" u; Q! |. s- Sub A()
# I% R0 y! y6 H- n9 F2 r: \ - Dim PL(0) As AcadLWPolyline, Ps(11) As Double, C(0) As AcadCircle, P(2) As Double
+ n' T) }- a5 l7 k w3 r. H; _ V$ W7 T - Dim R1 As Variant, R2 As AcadRegion
+ l0 p Q+ B) ], U, v" p - Dim S1 As Acad3DSolid, S2 As Acad3DSolid
) Z5 O6 J5 G/ ?# p& d - Dim UCS As AcadUCS, Xp(2) As Double, Yp(2) As Double
( ?: J( P. H) }, [. ` - With ThisDrawing
# Z- B5 ^1 T) {" q2 a2 L - $ x/ |. t# s/ ?( D
- '转换到世界坐标系WCS
4 t" L- b+ l6 g/ S6 w6 U6 S0 V - SendCommand "ucs w "
- q7 }2 ^6 i4 X7 o - 9 @; G6 q; K9 y2 ]
- '定义优化多段线的顶点坐标
& I% W% w9 G+ f4 L9 G+ B - Ps(0) = -7: Ps(1) = -12
- A4 Z9 ~; I- M0 L - Ps(2) = 7: Ps(3) = -12& M4 i# ]$ t0 d) m' w! {
- Ps(4) = 12: Ps(5) = -7' O: f, v: B F* a e f' I
- Ps(6) = 12: Ps(7) = 05 w# P. m. h6 [7 \' |
- Ps(8) = -12: Ps(9) = 02 r( m5 U6 X3 H7 t0 H7 Q; E2 t
- Ps(10) = -12: Ps(11) = -7
- y% F" V+ {* j7 O$ |, @; Y - - k8 Z: X5 |' G7 x- l( @
- '创建优化多段线
/ ^. l( I( }4 z9 d - Set PL(0) = .ModelSpace.AddLightWeightPolyline(Ps)
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/ }; Y; B% G2 y6 ` - '多段线闭合
( {+ y9 ?6 p+ U - PL(0).Closed = True& J4 d3 x3 a0 K$ T" n: a8 B+ z
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- '多段线第2、3顶点间部分改为90度圆弧
! R. H+ c( ^6 h% V3 K+ V - PL(0).SetBulge 1, .Utility.AngleToReal(22.5, acDegrees). ` G4 k8 l9 i$ Q+ O
- & C2 Q0 ?/ Y- e' P' c+ s1 u! Z
- '多段线第4、5顶点间部分改为180度圆弧! R2 U( X- [9 y
- PL(0).SetBulge 3, 11 u+ m& H2 ~* k: B
- ; w6 f! b" ?8 W% E2 G" {0 E" A
- '多段线第6、1顶点间部分改为90度圆弧
9 m1 @. @% _6 m' e, y% Y# v+ }. v - PL(0).SetBulge 5, .Utility.AngleToReal(22.5, acDegrees)
' ?0 I0 n5 F3 ? g D+ Y2 h8 F -
) Y: r, k$ A4 R8 `- q! h2 I% e - '用多段线做面域" S9 V) g! @& M; e3 ]) E3 }
- R1 = .ModelSpace.AddRegion(PL). g8 [: h+ \; k9 o& z- a0 E4 y
- 8 e# |) E% z# B/ T
- '把面域赋值给R2,便于下步使用- S6 C& ?& e. n
- Set R2 = R1(0)
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' E& L2 w- L7 A1 A( I4 Z - '以原点为圆心,半径10画圆
9 W' o& P3 W. A - Set C(0) = .ModelSpace.AddCircle(P, 10)1 o3 l+ j2 ^( f, x( I, O
-
X1 u) a* a3 b! A+ ]! r - '用圆做面域0 M* z$ T E; Z5 }2 d, o% z- h
- R1 = .ModelSpace.AddRegion(C)
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+ F+ p% |3 k% b% G, U, F - '多段线做成的面域与圆做成的面域差集
3 D D- E4 a- y3 A# M+ |0 Y - R2.Boolean acSubtraction, R1(0)$ {3 E; H+ k' K
-
. ]- ]0 d) R$ h' W4 X - '把面域拉伸为三维实体S1,高度50) L: n0 ~$ O7 \ P; O/ r* u8 `! I& C) j
- Set S1 = .ModelSpace.AddExtrudedSolid(R2, 50, 0)
$ |: m' c3 I. V" n0 }% T0 W - , ?6 P8 g4 i8 F( E8 W1 G) J
- '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 J# H$ ]/ {$ ^6 r. W8 V- ^ | - Xp(0) = 1: Xp(1) = 0: Xp(2) = 0- U. T! {6 G5 E9 ?& }0 q+ w% a" ^
- Yp(0) = 0: Yp(1) = 0: Yp(2) = 1 O$ S$ k1 g" L& d/ T. X! N
- Set UCS = .UserCoordinateSystems.Add(P, Xp, Yp, "AAA")
, W. Z) s. m+ U0 ^$ l" Q -
9 E* w7 x8 @7 o @* Y9 { - '把UCS“AAA”置为当前3 R/ [, |* n( Y& G9 b
- .ActiveUCS = UCS
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- '以世界坐标系(0,12,10)为圆心,半径2画圆8 e: ?+ l+ C* S$ s8 ]
- P(0) = 0: P(1) = 12: P(2) = 10' ~5 z1 A/ T& {; g0 w9 m! B3 }. ~" T
- Set C(0) = .ModelSpace.AddCircle(P, 2)% d; h8 S3 n! G" B% s0 ~: ]
-
4 L. M2 P1 |1 n: |, D M - '把该圆做成面域
8 N& g) ]/ K# f - R1 = .ModelSpace.AddRegion(C)" K4 m {$ ?+ J' I# Y6 G' J
- 4 c4 `8 ~8 }6 j8 q- h! K" C0 @
- '拉伸该面域为三维实体S2,高度24
/ B# w0 o" ]; C9 Q9 ]6 l5 v - Set S2 = .ModelSpace.AddExtrudedSolid(R1(0), 24, 0)$ g' Q& E! s6 y6 T7 a5 X5 |
-
. z2 Q: V, b! z6 I I8 N2 z( V5 }/ D - 'S1与S2差集,新实体为S1
- @2 u7 `" a, T; M) Z - S1.Boolean acSubtraction, S2
]5 J. h* X7 k - 0 ^3 Z2 o8 g4 J6 T' g1 _; R; h! t
- '以世界坐标系(0,12,40)为圆心,半径2画圆
4 K9 A& f% [, k - P(0) = 0: P(1) = 12: P(2) = 407 o! i5 J. {& `4 y+ t5 W
- Set C(0) = .ModelSpace.AddCircle(P, 2)
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& a1 I/ K" `* O8 h - '把该圆做成面域8 d# r/ |( P" g3 u0 w4 U& i
- R1 = .ModelSpace.AddRegion(C)0 }2 R* Y! P2 H: F
-
" r4 _0 q V; M* J8 a* V - '拉伸该面域为三维实体S2,高度24
- i* w0 L& z& Y - Set S2 = .ModelSpace.AddExtrudedSolid(R1(0), 24, 0)1 f( N) H* h3 W
- 5 a* I; W' ^6 j' C- w
- '差集, u5 R5 ]% \8 z. ]" s+ v2 j& i. G
- S1.Boolean acSubtraction, S25 R+ B/ O9 \# u }4 T( O# L- w
- End With
5 `, |! O3 ~1 t3 [' Y - End Sub) S5 ]3 O3 S, ^* V3 g
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