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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 s [% s0 P3 B9 U
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
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. _& L' q& u5 p; ` z- Dim dblVerticesList(26) As Double, objLWPLine(0) As AcadLWPolyline, varRegions As Variant, dblAxisPoint(2) As Double, dblAxisDir(2) As Double
: p8 R" U6 u4 b! Y - With ThisDrawing% i3 D/ ?( j$ K
- .SendCommand "ucs w "
% `9 z4 x6 d8 u! R) a - dblVerticesList(0) = 30
1 I, Y" F. F1 z - dblVerticesList(3) = 100
" D/ u2 C {5 d- y. o# N - dblVerticesList(6) = 100: dblVerticesList(7) = 25
# V3 N) q: h7 Q3 d - dblVerticesList(9) = 95: dblVerticesList(10) = 30
% U$ X+ e. n- m7 U7 k6 O0 n - dblVerticesList(12) = 65: dblVerticesList(13) = 30
% h1 n B' i4 E& n9 z$ }3 O/ H - dblVerticesList(15) = 60: dblVerticesList(16) = 357 Y' H7 Y! @2 l8 Y( G
- dblVerticesList(18) = 60: dblVerticesList(19) = 95
0 ]; t# C8 r, J$ o5 ]7 g5 t. L - dblVerticesList(21) = 55: dblVerticesList(22) = 100
5 ?; K, x( P' D0 y - dblVerticesList(24) = 30: dblVerticesList(25) = 100
, Y' O/ @( I" z8 f: c( A - Set objLWPLine(0) = .ModelSpace.AddLightWeightPolyline(dblVerticesList)
M8 G! a4 Y, p - objLWPLine(0).Closed = True
/ N& v* H/ N" p/ @' y5 J - objLWPLine(0).SetBulge 2, Tan(.Utility.AngleToReal(90 / 4, acDegrees))" {$ @" B1 \/ l$ W
- objLWPLine(0).SetBulge 4, Tan(.Utility.AngleToReal(-90 / 4, acDegrees))
, Y' m5 f7 z6 T# }5 _ Z - objLWPLine(0).SetBulge 6, Tan(.Utility.AngleToReal(90 / 4, acDegrees))
' a3 g& D, N3 c8 Y1 C - varRegions = .ModelSpace.AddRegion(objLWPLine)+ j7 Q0 Z6 a/ _1 T6 I) o4 H) j; ^
- objLWPLine(0).Delete
* q; V+ y2 Y9 B# |" G5 A - dblAxisDir(1) = 1) Q2 ` O% [8 o2 P
- .ModelSpace.AddRevolvedSolid varRegions(0), dblAxisPoint, dblAxisDir, .Utility.AngleToReal(180, acDegrees) * 2
: ^4 q/ b& [5 O0 j* t5 a7 C0 s9 k - varRegions(0).Delete: U, n& `* r7 u/ X
- ZoomAll
) ~" D4 `, l. _5 r$ C& a - End With( M- c. F0 {$ ]. X- D* H- ~
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0 _3 `' N8 b* b% P+ d$ n) `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! {: H% T. U+ d
; r, M" A( Z& S- Sub A()& @& @9 O* R8 b% |
- Dim objBox As Acad3DSolid, objSphere As Acad3DSolid, dblCenter(2) As Double8 \, d0 U$ _$ Y
- With ThisDrawing.ModelSpace
' \- m2 R# F" X8 U# v# g - Set objBox = .AddBox(dblCenter, 100, 100, 100)( ]% f. g/ S8 r9 O) @9 a
- dblCenter(1) = 50) _" H0 U" R1 @$ N9 c9 J
- Set objSphere = .AddSphere(dblCenter, 45)
, z; p+ e! i$ {3 Z" Q- ~ - objBox.Boolean acSubtraction, objSphere- R& y" E# I$ @- C% [' w* F
- objBox.color = 152
& @% w- X' B, ?+ r. G4 Z - MyDisplay0 [, X; p/ ]; s/ m
- End With
( U% h! d1 z9 W; I* L9 N1 g6 S( d - End Sub, X, d+ G+ e1 A9 g
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- Sub B()0 U3 @1 S9 o$ z7 `
- Dim dblVerticesList(17) As Double, objLWPLine(0) As AcadLWPolyline, varRegions As Variant, dblAxisPoint(2) As Double, dblAxisDir(2) As Double, obj3DSolid As Acad3DSolid
, l& {# h2 P& p& A2 G9 }6 w% k* c9 O4 A - With ThisDrawing% ]. }! Y! U7 @. \* h
- .SendCommand "ucs w "+ D/ D" Q- m( z5 G
- dblVerticesList(0) = 30+ l$ _; C% L/ m1 i; }7 `
- dblVerticesList(2) = 100
2 _# a' }+ {6 @& x9 ~" ^ - dblVerticesList(4) = 100: dblVerticesList(5) = 25
# \( z3 ~+ b- ]; G5 O8 K3 f - dblVerticesList(6) = 95: dblVerticesList(7) = 30 c) j4 M/ \3 L" o0 N: O; I% }$ N. ~
- dblVerticesList(8) = 65: dblVerticesList(9) = 30: E4 I# K( W8 Q4 Y( p7 N# b
- dblVerticesList(10) = 60: dblVerticesList(11) = 35, }+ G* s3 [+ D+ \
- dblVerticesList(12) = 60: dblVerticesList(13) = 95
; I b' c. @& Q! m/ X+ g1 ~* j - dblVerticesList(14) = 55: dblVerticesList(15) = 100" P' y& o0 J- P P
- dblVerticesList(16) = 30: dblVerticesList(17) = 1008 ]( o& l. e( v/ ]8 y
- Set objLWPLine(0) = .ModelSpace.AddLightWeightPolyline(dblVerticesList)( Z3 A# R; a. s3 ~& \( c( y
- objLWPLine(0).Closed = True1 r* N' j! X# t, G7 l
- objLWPLine(0).SetBulge 2, Tan(.Utility.AngleToReal(90 / 4, acDegrees)). m: D y$ t8 }" c6 l( Q I( ^* y
- objLWPLine(0).SetBulge 4, Tan(.Utility.AngleToReal(-90 / 4, acDegrees))
- h2 M* w3 p. {, J. U; P; X# G - objLWPLine(0).SetBulge 6, Tan(.Utility.AngleToReal(90 / 4, acDegrees))
, c4 J, t* ]/ d* y8 h/ n - varRegions = .ModelSpace.AddRegion(objLWPLine)
3 Z9 c* ]' J, ` - objLWPLine(0).Delete2 E, O% w; @# ]
- dblAxisDir(1) = 13 }( r2 @- h' U/ M. _
- Set obj3DSolid = .ModelSpace.AddRevolvedSolid(varRegions(0), dblAxisPoint, dblAxisDir, .Utility.AngleToReal(180, acDegrees) * 2), W; y; g, U6 N6 C7 i: h
- varRegions(0).Delete
$ ]3 t" w2 k0 Z# A" x. v - obj3DSolid.color = 135
6 ]) U& @) U+ a. @ - MyDisplay* |, F( F5 f+ o9 a# {( J5 t* p" A
- End With3 h5 p: J2 Q& |7 @$ j: z5 o; Z9 x
- End Sub2 G: a3 U2 Z/ p0 V5 ^
- R3 c' R0 X; g, Z- Private Sub MyDisplay()7 I; `6 \- L, d
- Dim objUCS As AcadUCS, dblOrigin(2) As Double, dblXAxisPoint(2) As Double, dblYAxisPoint(2) As Double3 T; K" u2 U X" }
- dblXAxisPoint(0) = 1: dblXAxisPoint(1) = 0: dblXAxisPoint(2) = -1
9 T$ Q! s8 \ k- }" X/ I) m4 L - dblYAxisPoint(0) = -1: dblYAxisPoint(1) = 2: dblYAxisPoint(2) = -1! L: v: W1 I( z
- Set objUCS = ThisDrawing.UserCoordinateSystems.Add(dblOrigin, dblXAxisPoint, dblYAxisPoint, "U")
2 n6 Z8 T& J/ Q2 t0 w9 y% V - ThisDrawing.ActiveUCS = objUCS Y" w/ y$ A1 ^. ]$ p7 a( y
- ThisDrawing.SendCommand "plan c ucs w shademode g "
! Y$ `- Q$ D# W W! h - ZoomAll
% R- l! d/ s7 C# I4 }8 Z - End Sub% t5 i0 ?* w; e3 F' T; S
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4 Q. e( c( u7 ]% K5 i R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.
2 ?3 w4 \2 Z2 o' Q8 H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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- B f& n6 J% L: E" q/ W% L/ k- ThisDrawing.SendCommand "plan c ucs w -shademode g "
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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.& z& Y4 i# t( l) e- x" u
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[ 本帖最后由 woaishuijia 于 2010-2-2 14:31 编辑 ] |
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