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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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- Sub A(). {! f" J% P6 [ P* g
- Dim PL(0) As AcadLWPolyline, Ps(11) As Double, C(0) As AcadCircle, P(2) As Double; L& \& E/ ~ o* h/ Z) J
- Dim R1 As Variant, R2 As AcadRegion( u( }6 U/ D! q
- Dim S1 As Acad3DSolid, S2 As Acad3DSolid
5 F. g. A% r9 g; ^9 U) [ - Dim UCS As AcadUCS, Xp(2) As Double, Yp(2) As Double
: c3 k% \5 a9 q( e) \ - With ThisDrawing; [& p) M: M# D# B* ?
-
5 T7 M+ S: d+ V/ N% D' `- i$ ^ - '转换到世界坐标系WCS
, Z( H; [ Q! R0 W4 H2 c - SendCommand "ucs w "
. P: _6 \, H, |' M: f$ B' E -
. _1 f0 Z7 y* s+ ` - '定义优化多段线的顶点坐标& i0 q% {& |) ~# l) F6 d( S$ g
- Ps(0) = -7: Ps(1) = -12
$ g' l B+ n6 S; G - Ps(2) = 7: Ps(3) = -12
$ V1 F3 P9 M2 \, r4 j. d M - Ps(4) = 12: Ps(5) = -7
V) Z# e" |& n3 Z8 i8 G - Ps(6) = 12: Ps(7) = 0 s. v- B$ ]8 m" {# k
- Ps(8) = -12: Ps(9) = 0
. n1 T0 @: ^. F' R+ F8 e a - Ps(10) = -12: Ps(11) = -7
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- '创建优化多段线
% G4 v% l" E" ?: C8 W - Set PL(0) = .ModelSpace.AddLightWeightPolyline(Ps)
6 {8 k1 ~/ U5 n# C- D, N" Q4 h -
( m* m) q& h3 E: k/ J" `7 G, r - '多段线闭合( a* N/ d7 L( W9 X
- PL(0).Closed = True
2 k/ `2 h9 ^- ~$ o) I6 R2 c -
( D6 H* c8 N2 k7 L ]! w+ O/ I - '多段线第2、3顶点间部分改为90度圆弧
, x2 L. i" o9 _$ f. M, d - PL(0).SetBulge 1, .Utility.AngleToReal(22.5, acDegrees)
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- '多段线第4、5顶点间部分改为180度圆弧2 k. j' d& j; j. D3 R
- PL(0).SetBulge 3, 1
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& P' F# u6 D ]4 U+ G$ ~ - '多段线第6、1顶点间部分改为90度圆弧( c$ S3 k; X+ }8 J+ f1 p
- PL(0).SetBulge 5, .Utility.AngleToReal(22.5, acDegrees). ?: N- y t9 u' n5 K5 A
-
3 A( b% I U, `* Q - '用多段线做面域
! t0 o, A9 y7 @# y# i' ] - R1 = .ModelSpace.AddRegion(PL)
" D) A& T9 ~8 X, g -
6 G) i$ ]9 p. a - '把面域赋值给R2,便于下步使用: B, W+ d. I4 Q7 O* i ^
- Set R2 = R1(0)
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- '以原点为圆心,半径10画圆- I, F$ `5 N7 ]* K" o7 V
- Set C(0) = .ModelSpace.AddCircle(P, 10)' h" j7 b! y7 P: D1 g4 r4 [
-
6 d7 v+ }. [( G7 p4 Q - '用圆做面域
- V' R# D9 l" g A8 O. ^8 E: Q - R1 = .ModelSpace.AddRegion(C)6 n8 O! @3 Z6 w; P0 b
- . {6 Z6 P5 `2 p9 o/ R+ C
- '多段线做成的面域与圆做成的面域差集8 A4 Y* G2 _. T: i
- R2.Boolean acSubtraction, R1(0)5 c& s- O N6 |0 ?/ w$ D
- 0 j- ~: S% n5 k. } ~8 U
- '把面域拉伸为三维实体S1,高度50
1 V; c# l; w' d' ^; r3 z6 `* w - Set S1 = .ModelSpace.AddExtrudedSolid(R2, 50, 0)% k7 {; f. ]1 a: t2 O
-
4 u8 y, \/ w% o8 n5 G; C - '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 V9 @& n4 j! v( U4 Y4 S
- Xp(0) = 1: Xp(1) = 0: Xp(2) = 02 Y+ J3 f/ n& e2 J- p! _
- Yp(0) = 0: Yp(1) = 0: Yp(2) = 1
0 Q- ?% a. y0 i. [- K: {# c5 ^5 b; B - Set UCS = .UserCoordinateSystems.Add(P, Xp, Yp, "AAA")' s1 S5 j. n, N0 p! J2 a
-
/ F4 z2 v" ]& ^2 _& l; Z - '把UCS“AAA”置为当前
4 ^. w6 I8 B. d) W9 s - .ActiveUCS = UCS
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- '以世界坐标系(0,12,10)为圆心,半径2画圆
: z4 L0 @, m" S) C* F' h; t - P(0) = 0: P(1) = 12: P(2) = 10
1 T. f- X* Q1 ?6 U0 `' G. U0 a/ T - Set C(0) = .ModelSpace.AddCircle(P, 2)/ T- w3 c' J' b( c/ B
-
% q/ S/ @( }( ~1 X4 _( n - '把该圆做成面域. l3 @- f4 p0 F! A* ?1 ]
- R1 = .ModelSpace.AddRegion(C)/ t; B6 }+ q/ @2 D* K8 B# u
-
: d; m; r% |- p6 V" r% n) e - '拉伸该面域为三维实体S2,高度244 b5 z3 e9 F8 W& g l8 D4 y
- Set S2 = .ModelSpace.AddExtrudedSolid(R1(0), 24, 0)/ i& x! z2 @* @1 `2 @0 O
- ! L; c' Q. ]9 ?3 Q
- 'S1与S2差集,新实体为S1- t. J* d) r7 y! ~, w2 |* d" Q
- S1.Boolean acSubtraction, S2
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1 `. \9 y$ H) j2 z - '以世界坐标系(0,12,40)为圆心,半径2画圆
; s+ {: \$ S2 T) C9 \ - P(0) = 0: P(1) = 12: P(2) = 40
' [/ j+ Q, o* J - Set C(0) = .ModelSpace.AddCircle(P, 2), k. z0 P4 K5 q& W; s
-
3 S! ]: R8 ?* T8 J+ y" F - '把该圆做成面域
, M" V& p; w" ~& G - R1 = .ModelSpace.AddRegion(C)
4 B' k& u7 T# D' @ -
7 Y, x* Y' ^% i# | - '拉伸该面域为三维实体S2,高度245 B/ T& `3 t4 W' l
- Set S2 = .ModelSpace.AddExtrudedSolid(R1(0), 24, 0)
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! \5 p. v+ V P. c) o: y - '差集
9 B; s* [3 Q* h+ s - S1.Boolean acSubtraction, S2$ ?& X" Z. c! G8 E6 N
- End With
3 f* Y' g5 l" E+ Z1 N - End Sub
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