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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* d: L6 D3 ^) L
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- Sub A()' m, }/ z" U6 U" p7 g% `4 \ |
- Dim PL(0) As AcadLWPolyline, Ps(11) As Double, C(0) As AcadCircle, P(2) As Double* Z1 P5 U% w1 s- [5 r
- Dim R1 As Variant, R2 As AcadRegion
" W2 I' o/ P, u2 S+ e* f2 `) r - Dim S1 As Acad3DSolid, S2 As Acad3DSolid; L7 U( k7 S. m. A4 \4 J3 m" P' n
- Dim UCS As AcadUCS, Xp(2) As Double, Yp(2) As Double
4 X$ z0 q+ Q% D* R* Q7 U+ Q& T. C - With ThisDrawing
- @0 H5 p. ~9 V+ ^* L. P3 i1 a4 q -
7 M6 \- i. `- k% ^ - '转换到世界坐标系WCS* g3 O9 E9 {: i
- SendCommand "ucs w "$ c. Y/ Q( s5 I9 }8 T/ V
-
# z7 V7 w% c3 x7 L' O - '定义优化多段线的顶点坐标' R8 w, c1 o f7 a
- Ps(0) = -7: Ps(1) = -12. [4 [. f4 Z6 {1 \! t! }$ h
- Ps(2) = 7: Ps(3) = -12' u* E) ?4 Y+ Y0 M7 o9 m
- Ps(4) = 12: Ps(5) = -7
6 ~, P$ F% V' D- ]" s* a) Q - Ps(6) = 12: Ps(7) = 0
2 t' T8 L# a( M - Ps(8) = -12: Ps(9) = 0
# P( A( ~: V1 R8 T# `& L; r - Ps(10) = -12: Ps(11) = -7
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- '创建优化多段线# N% J, ^: a( U3 o9 |7 y' w
- Set PL(0) = .ModelSpace.AddLightWeightPolyline(Ps)
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0 }! `8 A; `* {) K - '多段线闭合! o$ i4 T8 \7 ?$ m8 T A
- PL(0).Closed = True
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) L1 @1 V- h3 _, n2 Q - '多段线第2、3顶点间部分改为90度圆弧! Y, l1 J3 Q' `# e* N4 {, Z: l
- PL(0).SetBulge 1, .Utility.AngleToReal(22.5, acDegrees)5 I2 H/ l7 I& A Z" c, w
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9 E9 o- L# h& c3 O( H - '多段线第4、5顶点间部分改为180度圆弧
5 X) n' D0 E D2 w - PL(0).SetBulge 3, 1
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7 a+ q% \. L8 f3 K* j3 q - '多段线第6、1顶点间部分改为90度圆弧6 m( V( F7 M% Q1 c( m
- PL(0).SetBulge 5, .Utility.AngleToReal(22.5, acDegrees)+ e1 J3 ?3 T* l0 L- S
-
$ `0 ?, h) ?! e" f# c S - '用多段线做面域
' J5 v9 _) p* [9 j. ]- n V ? - R1 = .ModelSpace.AddRegion(PL)
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! M+ ?8 m; F1 J3 o- ^( z% l - '把面域赋值给R2,便于下步使用
: C7 w- O3 K1 J( ^" `1 \+ [ - Set R2 = R1(0)1 a' ?+ i4 p0 F: m4 g8 ~ x
-
. [! ~- h0 F) L2 ~( ~ - '以原点为圆心,半径10画圆0 X r- g( j" q( k$ ]% P
- Set C(0) = .ModelSpace.AddCircle(P, 10)- c& J6 E9 [3 d
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- '用圆做面域6 U3 v( ~1 b6 g- W' n. O
- 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. ^4 ?8 u7 D2 h( I$ ?6 O
- R2.Boolean acSubtraction, R1(0)3 m+ I6 c9 _- o+ a$ q
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- '把面域拉伸为三维实体S1,高度50 ?- [, t5 Y; H
- Set S1 = .ModelSpace.AddExtrudedSolid(R2, 50, 0): v- z7 h U X+ p# P
-
+ }" G* G' Z3 U E) r- 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; q5 X# d7 x3 a
- Xp(0) = 1: Xp(1) = 0: Xp(2) = 0
( | m( O2 |$ F% t, o, x - Yp(0) = 0: Yp(1) = 0: Yp(2) = 1
6 Q* d% T; [ Z* U1 @' J% }8 J - Set UCS = .UserCoordinateSystems.Add(P, Xp, Yp, "AAA"); {( [2 L( y3 S- x9 ~6 X
-
5 w6 |8 Z+ S; m4 o- s - '把UCS“AAA”置为当前4 \/ L/ n7 {( Z% p( p
- .ActiveUCS = UCS2 q0 @' P# K j6 I0 p" q. X
-
. r, Q3 I; e+ u0 O/ S! o @ - '以世界坐标系(0,12,10)为圆心,半径2画圆& A r& I7 u* B. g1 u
- P(0) = 0: P(1) = 12: P(2) = 106 Y$ c. V& \. |) ^4 l/ ?8 M
- Set C(0) = .ModelSpace.AddCircle(P, 2)9 y: q7 R. |/ a. N: r+ T' K
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- '把该圆做成面域
' \+ b( W2 U0 G" a m" v ^ - R1 = .ModelSpace.AddRegion(C)8 Y) \5 o4 X3 p; h' a( |) Y
- " B: q5 |5 ^0 D7 W' }" m
- '拉伸该面域为三维实体S2,高度24' O/ i8 z9 _. n o
- Set S2 = .ModelSpace.AddExtrudedSolid(R1(0), 24, 0)
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" M1 I ~6 p3 \! F* h; Z - 'S1与S2差集,新实体为S1" [* r, m+ G, H2 l: Q
- S1.Boolean acSubtraction, S2: h) S3 v5 Q% B0 J2 t
-
* W( }* X% i Q - '以世界坐标系(0,12,40)为圆心,半径2画圆
* W5 j+ @% X/ e* O+ E5 r: t - P(0) = 0: P(1) = 12: P(2) = 40
6 z/ G, w, B4 d9 V3 M - Set C(0) = .ModelSpace.AddCircle(P, 2)
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- '把该圆做成面域* D& O- G+ \( Q7 W0 ^
- R1 = .ModelSpace.AddRegion(C)3 N% e; j" h2 ?3 b& ^1 c, |
- % F! Z3 T& H3 K9 j- z
- '拉伸该面域为三维实体S2,高度244 o% l8 \( k0 j' n
- Set S2 = .ModelSpace.AddExtrudedSolid(R1(0), 24, 0)
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- '差集' H! ~% @0 i! B3 k
- S1.Boolean acSubtraction, S2
/ Y7 T" m: x5 ^# n- |6 F/ } - End With
, h- G- H' N8 Q8 q - End Sub1 n9 w7 s- g( {- U$ J9 _! J
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