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第一个图在前一个帖子有人会CAD的VBA编辑吗?中画过了.
3 t% U& Q' [' ?7 b/ e+ D第二个图
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) @5 R6 C3 v: o2 C/ @- '声明一个原点三维数组/一个X轴方向三维数组/一个Y轴方向三维数组和一个UCS对象,用于在三维空间转换UCS
T0 \. p2 V6 N- Y* ? - Dim dblOrigin(2) As Double, dblXAxisPoint(2) As Double, dblYAxisPoint(2) As Double, objUCS As AcadUCS3 s& |( E! u! j, P
- '声明一个包含六个二维点的坐标数组/一个有一个元素的优化多段线对象数组/一个用于接收面域的变体变量和一个三维实体对象,用于创建拉伸实体+ \+ o0 f; |% L6 ?( N# z& b# A
- Dim dblVerticesList(11) As Double, objLWPLine(0) As AcadLWPolyline, varRegions As Variant, obj3DSolid As Acad3DSolid
% N9 g/ P8 C: j2 Z5 S8 x - '声明一个三维点坐标和一个三维实体对象,用于创建圆柱体与拉伸实体差集
. Q( c: M w, K# a+ ? - Dim dblCenter(2) As Double, objCylinder As Acad3DSolid
?8 r) v8 T; F2 Q8 d8 I7 j6 R - '声明一个三维点,用于与圆柱体中心点配合,指定圆柱体的旋转轴- M) O+ ^9 r b2 T
- Dim dblPoint(2) As Double
5 G4 j5 @( [# o. Y8 n' h - With ThisDrawing
! Q( O' h. a3 l# v4 z - '把UCS设为WCS
! S# l6 V2 U. z# C7 ]: g - .SendCommand "ucs w "
' r% b7 v. N8 E5 u! T1 ~ - '创建二维优化多段线% u: L7 ^6 t/ ]0 z* T
- dblVerticesList(0) = -50
7 G7 N% Y+ [1 k9 S - dblVerticesList(2) = 50
8 A$ |* e: G B. g" G - dblVerticesList(4) = 60: dblVerticesList(5) = 10) G% \6 n$ A: A" G {- R
- dblVerticesList(6) = 60: dblVerticesList(7) = 609 y( q/ ?# V4 s: r
- dblVerticesList(8) = -60: dblVerticesList(9) = 607 V' y) V3 R) Q, {' X
- dblVerticesList(10) = -60: dblVerticesList(11) = 10) k1 U. X( N8 |! h% z
- Set objLWPLine(0) = .ModelSpace.AddLightWeightPolyline(dblVerticesList); o: u6 v: `) D
- '多段线闭合
; U6 X3 x& B2 E& p* Z5 Z, N - objLWPLine(0).Closed = True8 Q+ i, b+ e2 P' M9 `/ `9 T
- '把多段线的三个直线段改为圆弧: W: z! d1 R' B j
- objLWPLine(0).SetBulge 1, Tan(.Utility.AngleToReal(90 / 4, acDegrees))
" M( S+ ~% k: C; H - objLWPLine(0).SetBulge 3, Tan(.Utility.AngleToReal(180 / 4, acDegrees))
. L+ J/ L/ Q& g- f8 _* l; A+ J7 {* k- A - objLWPLine(0).SetBulge 5, Tan(.Utility.AngleToReal(90 / 4, acDegrees))5 V5 M# D- c( A7 U: w. J
- '用多段线做边界创建面域' z- z8 M" }$ x. \, y
- varRegions = .ModelSpace.AddRegion(objLWPLine)
( r9 T2 F _8 Y4 n - '删除用过的多段线
, m. u1 ]: c9 W, R - objLWPLine(0).Delete. n! ` ^, E# F; z* Y
- '用面域创建拉伸实体
% H+ Y" T. r; `0 E' N2 T# q - Set obj3DSolid = .ModelSpace.AddExtrudedSolid(varRegions(0), 300, 0)% n. m4 `" g* ^& n# N( J
- '删除用过的面域3 n" L E; _/ R
- varRegions(0).Delete' z3 W8 M1 H4 E# L9 F
- '创建用于差集的中间大圆柱体
7 r! h9 c! Z/ L - dblCenter(1) = 60: dblCenter(2) = 150
0 g+ h& e' n/ D* ? - Set objCylinder = .ModelSpace.AddCylinder(dblCenter, 50, 300)6 v5 s* T8 O/ N+ Q8 R
- '差集* ]4 Y% S2 s+ h8 y9 p5 ~1 }9 k7 H
- obj3DSolid.Boolean acSubtraction, objCylinder
" L p) N9 O' W7 F2 C5 M - '创建用于差集的第一个小圆柱实体
# \3 @: T; }+ Z0 p& H0 Z+ @ - dblCenter(2) = 30
6 [; J) a) [ g - Set objCylinder = .ModelSpace.AddCylinder(dblCenter, 10, 120)
$ B- `$ c9 m3 s" f9 ]. Z - '由于圆柱体的轴线平行于WCS的Z轴,在差集之前必须加以旋转,使其轴线与WCS的Y轴平行, F+ Y( y5 X: ^: ^6 S! U7 c
- '用dblCenter做旋转轴的基点,在左侧(相对于WCS的XY平面)指定旋转轴的第二个点
6 Y) Q" G$ n- p2 \0 Z5 _7 ?5 Q - dblPoint(0) = -1: dblPoint(1) = 60: dblPoint(2) = 30
4 }7 h) `: H6 t/ S! z9 d: B - '三维旋转小圆柱体
: y, G0 p' i: d# @1 P# V; [ - objCylinder.Rotate3D dblCenter, dblPoint, .Utility.AngleToReal(90, acDegrees)
: ?3 r$ i Q" E( P) H - '差集5 g4 m8 f: J* C; x- \. i) T
- obj3DSolid.Boolean acSubtraction, objCylinder
- ~, }( F) ]+ n A8 I* j/ h4 T - '重新指定中心点和旋转轴的第二个点,创建第二个小圆柱体并旋转/差集5 D3 g( T- G4 e% j+ u
- dblCenter(2) = 270: dblPoint(2) = 270
, ?' j$ X; W% v: y0 ?9 _9 j8 I" w" W5 ` - Set objCylinder = .ModelSpace.AddCylinder(dblCenter, 10, 120)
0 e7 R% Y: r( V3 } - objCylinder.Rotate3D dblCenter, dblPoint, .Utility.AngleToReal(90, acDegrees)
6 R9 S! @& J& ~8 }6 V. x/ N - obj3DSolid.Boolean acSubtraction, objCylinder& n3 U! q' q' W5 _
- '指定实体的颜色. ]! n& ?; r8 v+ \7 `% P
- obj3DSolid.color = 42
" `' d& D: u% H3 T, s - '新建UCS
2 `! b# x$ v0 v1 S4 N - dblXAxisPoint(0) = 1: dblXAxisPoint(1) = 0: dblXAxisPoint(2) = -1
4 c: e' d. S+ k3 b8 \. O - dblYAxisPoint(0) = -1: dblYAxisPoint(1) = 2: dblYAxisPoint(2) = -1
% u# A0 h* v) n7 E5 E. i - Set objUCS = ThisDrawing.UserCoordinateSystems.Add(dblOrigin, dblXAxisPoint, dblYAxisPoint, "U")
: `3 h0 ^6 \$ o5 R - '改变视图方向和着色模式
4 [( u* J1 ~9 J; ?4 x, W - .SendCommand "plan u u" & vbCr & "ucs w shademode g "
4 k& K* @6 q$ r7 j* z* K) t - End With
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复制代码
; \# t# j# A& R8 M. k3 Q[ 本帖最后由 woaishuijia 于 2010-2-11 22:33 编辑 ] |
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