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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?
5 g) @6 L! ]+ d; l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4 C# C5 @" A& l( a+ h/ D" l% Q
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- Dim dblVerticesList(26) As Double, objLWPLine(0) As AcadLWPolyline, varRegions As Variant, dblAxisPoint(2) As Double, dblAxisDir(2) As Double, J) k T6 q( q( O6 w/ H
- With ThisDrawing
! Z. u- S: Z) u& ` - .SendCommand "ucs w "
6 F+ y5 |1 O$ Q5 O - dblVerticesList(0) = 30, f/ ^" Y; [* F' L
- dblVerticesList(3) = 100% {7 M+ i8 s9 p. O: Z0 R. Q
- dblVerticesList(6) = 100: dblVerticesList(7) = 250 `9 N" ^6 k7 y( W% s% g) p
- dblVerticesList(9) = 95: dblVerticesList(10) = 30
. b$ c/ [" c6 q& p - dblVerticesList(12) = 65: dblVerticesList(13) = 30+ E$ @2 J" u" A3 |: a3 ~# h: X4 a
- dblVerticesList(15) = 60: dblVerticesList(16) = 35$ D# F; _3 P1 i% p7 A; p
- dblVerticesList(18) = 60: dblVerticesList(19) = 95
1 c2 I, R1 Z% v' ?' ? - dblVerticesList(21) = 55: dblVerticesList(22) = 100! t7 I. {; {5 y
- dblVerticesList(24) = 30: dblVerticesList(25) = 100/ p; q. Q% y( F- T; C! z% ~
- Set objLWPLine(0) = .ModelSpace.AddLightWeightPolyline(dblVerticesList): F7 ~6 k4 C5 c+ J
- objLWPLine(0).Closed = True# f( e! }& s, c& V
- objLWPLine(0).SetBulge 2, Tan(.Utility.AngleToReal(90 / 4, acDegrees)), [# y, _# [$ D
- objLWPLine(0).SetBulge 4, Tan(.Utility.AngleToReal(-90 / 4, acDegrees))
7 ^# F0 j0 \ Q5 G" k7 |, l - objLWPLine(0).SetBulge 6, Tan(.Utility.AngleToReal(90 / 4, acDegrees))" R" d5 p) N& \0 E' Y4 a
- varRegions = .ModelSpace.AddRegion(objLWPLine)9 ^- ?, u) `5 D6 w6 u# ~) N
- objLWPLine(0).Delete! o7 N8 {8 h, o5 {# D5 ]
- dblAxisDir(1) = 1: w1 q7 [- Q" @
- .ModelSpace.AddRevolvedSolid varRegions(0), dblAxisPoint, dblAxisDir, .Utility.AngleToReal(180, acDegrees) * 28 p& T" Z: O1 j' a" z
- varRegions(0).Delete
9 G+ b. |; a2 D5 G& M - ZoomAll
( C% i9 o0 {5 s7 H - End With
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( M3 p$ u9 P: U' @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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- Sub A()
" M8 ^ Q8 r [! f2 j - Dim objBox As Acad3DSolid, objSphere As Acad3DSolid, dblCenter(2) As Double
1 Q! ]5 {7 p" C4 k, d! s - With ThisDrawing.ModelSpace! t$ m w3 A; o8 C9 E2 h- L
- Set objBox = .AddBox(dblCenter, 100, 100, 100)
U9 p8 K* P0 q7 i% _ - dblCenter(1) = 505 A$ K! n/ x6 ]' P
- Set objSphere = .AddSphere(dblCenter, 45)
; w( u( a. n. ]2 H - objBox.Boolean acSubtraction, objSphere
' H p( z) w& Y/ W: g - objBox.color = 152
" L5 \& P9 V! N( a3 K - MyDisplay' \+ X' m: P! }% t4 O W
- End With
# V- I9 C8 F5 A9 Y3 v - End Sub, o, c% | p! ` Z
7 o+ F7 _* @' p) u- Sub B()) G- V5 h6 Z+ F' P- a
- Dim dblVerticesList(17) As Double, objLWPLine(0) As AcadLWPolyline, varRegions As Variant, dblAxisPoint(2) As Double, dblAxisDir(2) As Double, obj3DSolid As Acad3DSolid
* p( g, U- L2 a3 G - With ThisDrawing
+ h7 B, C" [# P - .SendCommand "ucs w "( l! [' P5 g3 p* W
- dblVerticesList(0) = 30
m3 g4 U" O, _: ~" d - dblVerticesList(2) = 100
* \/ k8 T4 t1 E1 z - dblVerticesList(4) = 100: dblVerticesList(5) = 25% \+ q! Z, S" O* p
- dblVerticesList(6) = 95: dblVerticesList(7) = 30) C' q% N$ h# T2 @8 t
- dblVerticesList(8) = 65: dblVerticesList(9) = 30
0 I N* m& h4 g0 ~0 B& P - dblVerticesList(10) = 60: dblVerticesList(11) = 351 W: h8 b2 n1 T8 z9 b
- dblVerticesList(12) = 60: dblVerticesList(13) = 95
! O; Y. |: y! U+ i. O( W - dblVerticesList(14) = 55: dblVerticesList(15) = 100# Q$ u: X( ]$ k/ |. r; J6 N
- dblVerticesList(16) = 30: dblVerticesList(17) = 1001 \" r; h& f6 g7 f# Y: ~
- Set objLWPLine(0) = .ModelSpace.AddLightWeightPolyline(dblVerticesList)
3 W7 |* L3 G+ A1 T1 j - objLWPLine(0).Closed = True9 V+ Q2 y7 t* a; K
- objLWPLine(0).SetBulge 2, Tan(.Utility.AngleToReal(90 / 4, acDegrees))3 M0 e5 k$ [! G8 U m& q
- objLWPLine(0).SetBulge 4, Tan(.Utility.AngleToReal(-90 / 4, acDegrees))) g) v; [3 ]$ k$ A
- objLWPLine(0).SetBulge 6, Tan(.Utility.AngleToReal(90 / 4, acDegrees))% k; K7 `2 N! J/ x
- varRegions = .ModelSpace.AddRegion(objLWPLine)
# }5 f5 G7 y, f* e) e& ] - objLWPLine(0).Delete8 s7 S( F" ?# U+ R
- dblAxisDir(1) = 1
5 D- _: w' x7 p+ l" z - Set obj3DSolid = .ModelSpace.AddRevolvedSolid(varRegions(0), dblAxisPoint, dblAxisDir, .Utility.AngleToReal(180, acDegrees) * 2)& O' d$ c e& U- b. Q. L- \
- varRegions(0).Delete
' `* I: M- ~( L" I5 F0 w - obj3DSolid.color = 135
h3 B3 c$ _. \' E( E4 J - MyDisplay3 n' n8 Z+ e5 s# e. r+ }4 f- t
- End With
6 @* z7 q i: `% d/ ]/ |$ I( n/ C - End Sub1 ~3 Z Q0 h3 f8 A: E. P- M
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- Private Sub MyDisplay()
/ d& p% Y! J0 w - Dim objUCS As AcadUCS, dblOrigin(2) As Double, dblXAxisPoint(2) As Double, dblYAxisPoint(2) As Double6 K' b/ D- x) r- G5 ~
- dblXAxisPoint(0) = 1: dblXAxisPoint(1) = 0: dblXAxisPoint(2) = -1* `, Z( y" {0 k, a2 L
- dblYAxisPoint(0) = -1: dblYAxisPoint(1) = 2: dblYAxisPoint(2) = -1: G8 o. Z0 C# R3 g9 B/ d
- Set objUCS = ThisDrawing.UserCoordinateSystems.Add(dblOrigin, dblXAxisPoint, dblYAxisPoint, "U")" S) H7 c0 n; O0 `6 ^
- ThisDrawing.ActiveUCS = objUCS/ F! I+ ]! S" T+ w4 ^4 i4 K
- ThisDrawing.SendCommand "plan c ucs w shademode g "
, G, N8 x% x$ H' n7 e6 K( t& Q - ZoomAll
9 ]$ G* b! Z& q/ ]4 q9 p& T+ h; f - End Sub
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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.
Z2 @; V! P; {! g/ _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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9 E9 c: y5 w: r( F) u! @, H+ C$ S N- ThisDrawing.SendCommand "plan c ucs w -shademode g "
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; _0 C9 ^) O7 C& i, \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.
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[ 本帖最后由 woaishuijia 于 2010-2-2 14:31 编辑 ] |
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