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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& O8 v. S. q6 R% E3 |
- ( o: ^7 L! ` E7 S" ]4 `
- Sub A()
9 P1 B) F/ ~1 L, \% y/ k - Dim PL(0) As AcadLWPolyline, Ps(11) As Double, C(0) As AcadCircle, P(2) As Double
7 R/ q7 [# k/ G% V - Dim R1 As Variant, R2 As AcadRegion
$ [3 |2 a$ E/ { - Dim S1 As Acad3DSolid, S2 As Acad3DSolid
) _7 P4 K3 I! w9 O G: b& I - Dim UCS As AcadUCS, Xp(2) As Double, Yp(2) As Double! ]0 K G, H+ V' C
- With ThisDrawing9 Y* u4 B) g$ K2 a1 n
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4 m6 M+ l' X8 U0 e9 R/ u% x - '转换到世界坐标系WCS; i* y8 o$ h( f) c4 Y
- SendCommand "ucs w "
. I5 F* t* x& W! a/ m* J - 0 K/ m+ U! ^* \* e2 |2 q
- '定义优化多段线的顶点坐标
) l- Y; `1 F+ X6 Y - Ps(0) = -7: Ps(1) = -121 l! d1 Z- z2 g! K Y
- Ps(2) = 7: Ps(3) = -129 p1 @# |: r& a" b
- Ps(4) = 12: Ps(5) = -7, ~" Z. t( ?$ c
- Ps(6) = 12: Ps(7) = 03 `& E3 e D3 w# {. }
- Ps(8) = -12: Ps(9) = 0; K! L8 Y. `( J; m. @& d) j
- Ps(10) = -12: Ps(11) = -70 {5 I; }/ a1 u+ `5 j
- ) U/ d: m8 w+ A n# H
- '创建优化多段线+ m) [# Y4 l7 |
- Set PL(0) = .ModelSpace.AddLightWeightPolyline(Ps)
. o1 i+ S* N9 D) _5 s" J -
! r( D ?# X9 G - '多段线闭合) ]" R! }4 V( S3 k8 Y1 D% G
- PL(0).Closed = True
6 D1 S/ T F9 S7 t - ( E' }+ W: F/ N4 p/ X
- '多段线第2、3顶点间部分改为90度圆弧
9 d; c/ h5 \) d; ]3 |2 O& G# u - PL(0).SetBulge 1, .Utility.AngleToReal(22.5, acDegrees)
) U) }3 a5 F% u - 8 B3 o( _$ H4 O1 ~$ ?6 I
- '多段线第4、5顶点间部分改为180度圆弧
* s# `& @0 X+ k7 o7 R - PL(0).SetBulge 3, 11 ^$ o$ h$ M4 A
-
0 b3 J c+ y& |- B% @+ C - '多段线第6、1顶点间部分改为90度圆弧
5 o9 A4 e4 u2 y. |4 y7 E - PL(0).SetBulge 5, .Utility.AngleToReal(22.5, acDegrees)+ H& `8 N. l8 M% K4 M4 S! ?- a
-
7 m& z m: S3 p1 M/ y - '用多段线做面域
* ` q9 T$ q1 _! w# y% W+ S - R1 = .ModelSpace.AddRegion(PL)7 R, w1 H( k* m: N
- 3 u* j$ @9 V, R' R! R' g
- '把面域赋值给R2,便于下步使用
" l' c0 @ N' j+ y$ x - Set R2 = R1(0)
6 R0 N! A# E3 i& k' _' m - ( A$ |' \/ O" |7 c0 _" V/ e; c
- '以原点为圆心,半径10画圆
6 f7 F3 ^" h% I: x, [ - Set C(0) = .ModelSpace.AddCircle(P, 10)
# a6 M' m. u' H1 J* E* O - 1 {" o: J% M4 C5 B( K
- '用圆做面域
- ^# ]" D3 F/ B - R1 = .ModelSpace.AddRegion(C)7 U% @$ J% t) D3 j( z
- 4 I( r+ u2 S: W9 E7 w* T& O
- '多段线做成的面域与圆做成的面域差集7 @9 M, a7 R, O
- R2.Boolean acSubtraction, R1(0)
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+ _( Y' A) _; z0 M; m% e l2 w - '把面域拉伸为三维实体S1,高度50+ ^2 n, r! N5 Y% L$ {8 R+ ~
- Set S1 = .ModelSpace.AddExtrudedSolid(R2, 50, 0), s3 j. T. v4 \, j8 G7 V" Y+ O
- " B+ U u( s9 s. d+ s" G5 p- l0 `
- '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3 K3 Q c* }$ R8 V+ h: _8 ?
- Xp(0) = 1: Xp(1) = 0: Xp(2) = 08 b0 P- z7 A: O1 A. A
- Yp(0) = 0: Yp(1) = 0: Yp(2) = 1
- a+ Y& Q6 O, L: [& D - Set UCS = .UserCoordinateSystems.Add(P, Xp, Yp, "AAA")
~- n& C7 J$ h# P6 Z -
% B& P' l) E8 b! ?' q) U - '把UCS“AAA”置为当前
( h1 y4 A& l" {2 A - .ActiveUCS = UCS( A- B) I3 b5 I1 M8 m! {) g
- " \. I# A7 _& t% E! J
- '以世界坐标系(0,12,10)为圆心,半径2画圆2 p( D) F) R, R9 w
- P(0) = 0: P(1) = 12: P(2) = 10
$ R6 }. N, o9 v+ e5 }8 G2 o - Set C(0) = .ModelSpace.AddCircle(P, 2): ?% v2 |0 H; U& p/ }' M: D2 A
- # v5 s' J' K3 f' j3 o9 |/ Z0 \/ A
- '把该圆做成面域, s& S+ I5 t7 j" W
- R1 = .ModelSpace.AddRegion(C)4 k# ]8 u8 K1 D S5 `
-
- n+ P$ y* l! K" T" y - '拉伸该面域为三维实体S2,高度24
1 s; W- U' V. \' u) [# x+ h9 T - Set S2 = .ModelSpace.AddExtrudedSolid(R1(0), 24, 0)% k# j& S: _! ^* [% i
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% T$ _; w8 |5 H9 l - 'S1与S2差集,新实体为S1) s3 b! j- x( h6 J! z
- S1.Boolean acSubtraction, S2
8 k: @. m& }) e* e- M! S - % I. E2 O: p- e6 }! \
- '以世界坐标系(0,12,40)为圆心,半径2画圆
! x: [- c7 h% o - P(0) = 0: P(1) = 12: P(2) = 404 o% Y8 Q2 @3 y6 g% k+ v
- Set C(0) = .ModelSpace.AddCircle(P, 2)$ W* W1 l) ?) ~$ ^& K. w
-
, J) D- }5 y; G$ U9 G - '把该圆做成面域
6 K" b+ ]/ |0 i8 W2 \ - R1 = .ModelSpace.AddRegion(C)6 e/ l( _9 {4 [6 l9 l. m
-
1 Z' c* {' [6 X+ w - '拉伸该面域为三维实体S2,高度24
, T$ S- o( D$ p: B4 y: ] - Set S2 = .ModelSpace.AddExtrudedSolid(R1(0), 24, 0)
* m3 j ]" b# X/ F c -
! q3 o( z8 w/ g- V$ g# J - '差集& ]5 g+ h- O/ h( v t1 O
- S1.Boolean acSubtraction, S26 E, c7 i* }/ I: N$ M/ L: d
- End With
4 Y8 I/ m+ U1 W% J - End Sub, G. z- E: B! ~; l( c9 N% f1 W
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