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第二个图形出不来,可能是因为你的CAD版本太老了吧?
* Q" A6 s8 l2 N+ H$ o在早期CAD中,LWPolyline(二维多段线)对象使用三维坐标,而现在常见的版本中该对象已经优化,改为使用二维坐标.7楼代码就是用二维坐标设计的.如果在早期版本中运行该代码,应该把多段线顶点坐标数组改为三维的形式,如下' p6 Q0 s: Q) p# {. b) T
- 4 H3 ?* b7 l! B- j2 ?' v( Z
- Dim dblVerticesList(26) As Double, objLWPLine(0) As AcadLWPolyline, varRegions As Variant, dblAxisPoint(2) As Double, dblAxisDir(2) As Double
0 @) I- w9 b- {+ U* y) Q i - With ThisDrawing0 D. ]8 l% t# N9 n/ c J X% g
- .SendCommand "ucs w "
1 D* u# G2 H `, ] - dblVerticesList(0) = 30
4 s! d8 F0 @ z" q' j - dblVerticesList(3) = 100& s }) q u- [8 d. |. X8 a5 n' M
- dblVerticesList(6) = 100: dblVerticesList(7) = 25
+ w6 m" T7 g6 h1 }) r% G6 i! { b - dblVerticesList(9) = 95: dblVerticesList(10) = 30# b& b d: L" m
- dblVerticesList(12) = 65: dblVerticesList(13) = 30) L4 u1 t+ n7 J, G+ B
- dblVerticesList(15) = 60: dblVerticesList(16) = 35+ a3 x. G+ N- w. T3 t! F/ Z/ ]7 e
- dblVerticesList(18) = 60: dblVerticesList(19) = 95
, d/ r6 N0 m9 s) `0 }0 m2 | - dblVerticesList(21) = 55: dblVerticesList(22) = 1001 s/ _% }9 _$ c, l( P6 U; ^
- dblVerticesList(24) = 30: dblVerticesList(25) = 100+ _; V9 H6 c6 b
- Set objLWPLine(0) = .ModelSpace.AddLightWeightPolyline(dblVerticesList)
4 B7 ]* }+ [8 I' `! o - objLWPLine(0).Closed = True
" J; S; F" M+ W - objLWPLine(0).SetBulge 2, Tan(.Utility.AngleToReal(90 / 4, acDegrees))
; B$ b2 t( ~( R% m - objLWPLine(0).SetBulge 4, Tan(.Utility.AngleToReal(-90 / 4, acDegrees))
; K1 a+ A0 N8 O5 X! V, _" A5 g( r' ? - objLWPLine(0).SetBulge 6, Tan(.Utility.AngleToReal(90 / 4, acDegrees))- Y8 Y$ k$ C$ Y# I# f, c; Q5 A
- varRegions = .ModelSpace.AddRegion(objLWPLine)
- v' U; M7 l; |7 @; Q - objLWPLine(0).Delete
: w; Q+ M; l1 N4 u" b0 d/ v - dblAxisDir(1) = 1
. B! P+ `+ \/ C* `) E" c - .ModelSpace.AddRevolvedSolid varRegions(0), dblAxisPoint, dblAxisDir, .Utility.AngleToReal(180, acDegrees) * 25 S: Q9 M; p" z: ^
- varRegions(0).Delete
, X' U/ m9 c) `. u - ZoomAll4 s( R- ]2 P% h+ u4 z; \' }
- End With
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; ]) H% @( f. ?" i' V; H; I# t7 ]( c如果要求程序运行的最后得到像1楼附图一样的显示结果,可以给三维实体赋予指定的颜色,并调用图形界面的"着色"命令改变视图的显示模式.还可以改变视图方向,如下
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1 S" R# G' y! x1 P" f' X- Sub A()
3 }# M% d4 s) R& f+ q! O - Dim objBox As Acad3DSolid, objSphere As Acad3DSolid, dblCenter(2) As Double( x! w: e+ b. J4 p
- With ThisDrawing.ModelSpace9 U" \$ ?( v1 Q2 Z
- Set objBox = .AddBox(dblCenter, 100, 100, 100)
8 z( Y8 ~: f& t4 w - dblCenter(1) = 50, i* O7 ]9 s% O# w( u
- Set objSphere = .AddSphere(dblCenter, 45)
/ z* f+ r0 J- w/ a; c - objBox.Boolean acSubtraction, objSphere
$ _2 `9 o, ~' ?9 s: Q - objBox.color = 152
5 s9 U9 m# a! w7 c: o. ] - MyDisplay) I% W: G# Y' U2 i+ c
- End With
, k6 q: Q! j% j8 c$ M0 o3 x8 @' r - End Sub
s' d4 G4 U3 J* W4 T( w$ A. U0 p4 [- }
) \' }; {7 P7 E0 Q4 p1 [4 r6 Y- Sub B()
1 C1 t4 q0 r9 r - Dim dblVerticesList(17) As Double, objLWPLine(0) As AcadLWPolyline, varRegions As Variant, dblAxisPoint(2) As Double, dblAxisDir(2) As Double, obj3DSolid As Acad3DSolid r, I+ S$ v: F
- With ThisDrawing0 ?- |* ^/ D* b+ q# y+ `, ]
- .SendCommand "ucs w "0 W1 X6 g2 V' P* ?$ f. \1 x
- dblVerticesList(0) = 306 Y0 j; G, k) z" k& ^, g
- dblVerticesList(2) = 100: O: P s1 Y/ t2 i* ?7 @
- dblVerticesList(4) = 100: dblVerticesList(5) = 25
! K" Q! w# |8 v! c - dblVerticesList(6) = 95: dblVerticesList(7) = 30, I, U3 `" N- G& X" Z/ P
- dblVerticesList(8) = 65: dblVerticesList(9) = 30
$ ]1 `# A3 b- r/ }; a# x( g! b - dblVerticesList(10) = 60: dblVerticesList(11) = 35" T8 N' b& l5 |; ]6 w1 w9 h {
- dblVerticesList(12) = 60: dblVerticesList(13) = 95
, I+ h; R; T2 ^+ T5 j - dblVerticesList(14) = 55: dblVerticesList(15) = 100
- [& i: t' u Q( Q% b1 T; X - dblVerticesList(16) = 30: dblVerticesList(17) = 100
! t; h' `( m7 i# v, Q7 V+ H& Q - Set objLWPLine(0) = .ModelSpace.AddLightWeightPolyline(dblVerticesList)
) i4 G* ^% r: l5 T/ h1 M) O - objLWPLine(0).Closed = True# z1 N# m& V! }% Y8 T
- objLWPLine(0).SetBulge 2, Tan(.Utility.AngleToReal(90 / 4, acDegrees))
" V# }) d, M: u - objLWPLine(0).SetBulge 4, Tan(.Utility.AngleToReal(-90 / 4, acDegrees))
4 J) i D5 G' L4 L6 v* M - objLWPLine(0).SetBulge 6, Tan(.Utility.AngleToReal(90 / 4, acDegrees))
( O' \" o1 y( T' f; `- u3 R$ Z - varRegions = .ModelSpace.AddRegion(objLWPLine)1 @+ w# s: n1 m7 G
- objLWPLine(0).Delete# Q' h0 S% n$ c+ K3 D" A. U. Q
- dblAxisDir(1) = 19 [5 C: {# D: i! b( w; T$ t$ c
- Set obj3DSolid = .ModelSpace.AddRevolvedSolid(varRegions(0), dblAxisPoint, dblAxisDir, .Utility.AngleToReal(180, acDegrees) * 2)6 z5 G! C8 I3 a8 c2 B
- varRegions(0).Delete
5 x( X0 Q* F# `2 y: ^3 |% { - obj3DSolid.color = 135
% G- { ^" U, K* F% Q6 o - MyDisplay
' {9 ]6 c+ i' v3 T% p6 o& ?1 Q - End With/ `) R: I( A2 I- w6 P" m4 V7 D7 ~) d- s
- End Sub0 b- F- l# f1 C4 ?; e1 @( i7 c
- - d8 J" Z2 H* f, M
- Private Sub MyDisplay()
8 {" ~( k) g6 L7 L - Dim objUCS As AcadUCS, dblOrigin(2) As Double, dblXAxisPoint(2) As Double, dblYAxisPoint(2) As Double' E! ^' |6 o) ~# r
- dblXAxisPoint(0) = 1: dblXAxisPoint(1) = 0: dblXAxisPoint(2) = -1/ }( t( X7 s7 \2 Q* W$ Y# j
- dblYAxisPoint(0) = -1: dblYAxisPoint(1) = 2: dblYAxisPoint(2) = -11 N4 q1 Q. T; `2 J" T1 H
- Set objUCS = ThisDrawing.UserCoordinateSystems.Add(dblOrigin, dblXAxisPoint, dblYAxisPoint, "U")5 a) J k$ i. Y5 x
- ThisDrawing.ActiveUCS = objUCS" A- e4 Y9 t F2 }9 S! P/ J
- ThisDrawing.SendCommand "plan c ucs w shademode g "% }; C! E1 m" C; H
- ZoomAll
( D8 s+ u; U4 t7 t0 j& m) o - End Sub3 u5 ~* V4 h( x3 A }
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上面代码中宏"A"和"B"分别是画1楼两个图形的代码."MyDisplay"是供两个宏运行到最后调用的子程序,用于修改视图方向和修改视图为"体着色"模式." h& C& z+ Z( Z" P% K# j% o
由于CAD2007以上版本中,"shademode"命令已被改为调用"视觉样式"命令,所以,如果在2007以上版本中运行本代码,应把ThisDrawing.SendCommand "plan c ucs w shademode g "一行,改为
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- ThisDrawing.SendCommand "plan c ucs w -shademode g "
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% n! E0 w0 w( o& h6 O8 e% u8 s请注意,新的代码中,第二个图形中的多段线仍然使用的是二维坐标,如果在早期版本中使用,应按前面所说的方法修改.0 x$ t5 c7 R6 i2 y* C7 ^- M! l# D
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[ 本帖最后由 woaishuijia 于 2010-2-2 14:31 编辑 ] |
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