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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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# X1 k" v7 S' ?, p) {- Sub A()
6 b4 K D- L$ X7 U2 R; t - Dim PL(0) As AcadLWPolyline, Ps(11) As Double, C(0) As AcadCircle, P(2) As Double5 Q3 C) p9 @* I* w( N2 r9 {0 {; k
- Dim R1 As Variant, R2 As AcadRegion; q' a( {' J3 P5 z9 }
- Dim S1 As Acad3DSolid, S2 As Acad3DSolid0 |) |% z/ e) R
- Dim UCS As AcadUCS, Xp(2) As Double, Yp(2) As Double
A4 K- W1 D8 v% Y3 u2 W, ^ - With ThisDrawing: s# h) f) J/ G: T( g* S2 Y
-
* x' X3 ]4 _6 S0 a - '转换到世界坐标系WCS9 H# U* C4 N/ c
- SendCommand "ucs w "- I* }' I3 j4 e7 t
-
7 M' L) E9 j" Z1 K/ y+ _ - '定义优化多段线的顶点坐标8 `, I, ^( X' j/ t. [
- Ps(0) = -7: Ps(1) = -12
6 U: {. w# p9 @ - Ps(2) = 7: Ps(3) = -12+ {) _" ]1 K& U! o: r5 G
- Ps(4) = 12: Ps(5) = -7
' n4 m0 t5 f3 b5 ]6 Y# ?4 W - Ps(6) = 12: Ps(7) = 0
. `* `2 ?; T0 a8 f9 J - Ps(8) = -12: Ps(9) = 0
. d- T* S5 t" B! s" \5 u1 Y. I - Ps(10) = -12: Ps(11) = -7) |) s6 k& q0 r! u1 ?# k9 f: V/ R
-
- L% v2 k/ a. |0 b - '创建优化多段线5 Z8 h# F1 w. z
- Set PL(0) = .ModelSpace.AddLightWeightPolyline(Ps)
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3 {) I/ v. {0 |) Q - '多段线闭合( T2 d/ i, x( p- V! \1 a& A) `* \, E
- PL(0).Closed = True
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4 V2 x* `; c0 U3 p1 [ - '多段线第2、3顶点间部分改为90度圆弧* w- i% }5 I N) ?: M& O/ R( e* b) ?
- PL(0).SetBulge 1, .Utility.AngleToReal(22.5, acDegrees)
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( x8 J* H% u* r0 W6 F - '多段线第4、5顶点间部分改为180度圆弧
3 W2 r4 T! F: ^& q6 B2 e6 T! J* c - PL(0).SetBulge 3, 1$ t9 K$ ^) F2 H) E9 K# ]
-
8 l+ Z8 O7 {; a% `1 S - '多段线第6、1顶点间部分改为90度圆弧% F/ n; v* A( A% o8 @
- PL(0).SetBulge 5, .Utility.AngleToReal(22.5, acDegrees)
4 G2 S9 T( ]5 i& u- E' ^0 Y1 F -
J+ d) z( |; b - '用多段线做面域
5 `2 P) {9 d2 r% u/ z1 R# Y - R1 = .ModelSpace.AddRegion(PL)
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# a! P/ E" D& V8 H - '把面域赋值给R2,便于下步使用& y. E; P* U; W# Y' F9 U
- Set R2 = R1(0)+ r8 W2 U' ^$ L2 o6 w3 ~
- - y. m( u/ f& t- M+ ?* P* m7 ^
- '以原点为圆心,半径10画圆5 o6 z3 j; {& r3 N% |
- Set C(0) = .ModelSpace.AddCircle(P, 10)
- B+ }; N: R7 D$ J# ^. o - + P$ F$ ~- T$ u) t4 C- l
- '用圆做面域% O. s% i# X E' A$ ^4 K
- R1 = .ModelSpace.AddRegion(C)
: a3 w3 x9 z d- \5 @; R) H -
( h3 y$ H2 f* K# W - '多段线做成的面域与圆做成的面域差集! m% e$ O& K5 h( Y
- R2.Boolean acSubtraction, R1(0)' D6 b# u; K, K6 B
-
a7 T' O) k5 m3 J$ p. ~) D - '把面域拉伸为三维实体S1,高度50
! y5 q- |! p5 G. [0 F" b; F% O - Set S1 = .ModelSpace.AddExtrudedSolid(R2, 50, 0)
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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% Z* {2 O- Z. y2 z r& Y5 b
- Xp(0) = 1: Xp(1) = 0: Xp(2) = 0
: T D) Z( I; Q - Yp(0) = 0: Yp(1) = 0: Yp(2) = 1
# u5 r- H& M6 r% e0 R - Set UCS = .UserCoordinateSystems.Add(P, Xp, Yp, "AAA")
5 ~) i) d7 W2 ]( Z; b -
! W; L% A J% q6 D+ H9 y' j9 W - '把UCS“AAA”置为当前
" R$ T" n5 s, O$ J, F. U( {( ]8 i - .ActiveUCS = UCS$ |- a4 ?* v4 V1 L& B$ l% x
-
: e9 s- r" ]: `" {" | - '以世界坐标系(0,12,10)为圆心,半径2画圆
* A0 F/ u+ a1 U. }# R" o2 @ - P(0) = 0: P(1) = 12: P(2) = 10% y$ y! V8 B0 R- W; v( |
- Set C(0) = .ModelSpace.AddCircle(P, 2)! `5 l# P. W& Z. P
- - b. @* h0 C; s/ I" Z2 Q% E8 u
- '把该圆做成面域2 @; y2 p" l) g" d
- R1 = .ModelSpace.AddRegion(C)% |% B9 J+ Y* w( r
-
2 l+ e* D, }* C" r - '拉伸该面域为三维实体S2,高度24
( d+ Z c! o* O$ b" E' H7 L5 K1 D) u - Set S2 = .ModelSpace.AddExtrudedSolid(R1(0), 24, 0)% O- I- G' F$ w9 j" e
-
* x* v5 t! ~" s8 S - 'S1与S2差集,新实体为S1
$ i6 U9 N$ K: W) ]( C - S1.Boolean acSubtraction, S2
1 |; L/ x- _) ~/ d/ g; t' ~2 U -
8 U r7 Y) o. k- P5 j: B - '以世界坐标系(0,12,40)为圆心,半径2画圆
) Z% d( {8 B4 z: E: I - P(0) = 0: P(1) = 12: P(2) = 40
; T* v r6 E7 _ - Set C(0) = .ModelSpace.AddCircle(P, 2). B3 ?) y% v6 x. s+ B) M9 y
- / @* q9 ~% s- T' P2 [- j0 h$ A/ X
- '把该圆做成面域
" S! l: k1 E6 r; m5 A7 @( {2 ]% ? - R1 = .ModelSpace.AddRegion(C)
. a' N! C2 e Y' w5 v S+ q r - % G3 ^' Q" V! c( k, ?! B9 u4 ]* X( \
- '拉伸该面域为三维实体S2,高度24( \0 p8 D: r/ z9 f& z3 `
- Set S2 = .ModelSpace.AddExtrudedSolid(R1(0), 24, 0)
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- '差集# B# d9 [1 |& I2 ]0 Q5 }5 r7 u4 D
- S1.Boolean acSubtraction, S2: ~/ `% h: c" z& Y ~
- End With+ I3 h4 S% J. q) R e. ]
- End Sub
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