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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.; s* @1 N+ s( E; {* U" ]
第二个图
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- '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
( m) Q, m- b( E7 w - Dim dblOrigin(2) As Double, dblXAxisPoint(2) As Double, dblYAxisPoint(2) As Double, objUCS As AcadUCS
3 _& M/ a( |0 W! h8 Q - '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
- l- p1 O8 j6 X' U - Dim dblVerticesList(11) As Double, objLWPLine(0) As AcadLWPolyline, varRegions As Variant, obj3DSolid As Acad3DSolid
j0 T# p$ x6 {" A5 A7 u. m - '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
8 S* B! R* s. z - Dim dblCenter(2) As Double, objCylinder As Acad3DSolid
" [) H5 ], P' \6 V) N, x, U, v - '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. {8 w1 K% G; f) p1 N! c3 A
- Dim dblPoint(2) As Double
9 W, Y% }, \, V' J( b6 y. [4 ?7 s - With ThisDrawing
) ]( M* u/ t; ~$ J - '把UCS设为WCS
9 _6 J5 b- e. [- F: V - .SendCommand "ucs w ". h2 t$ ]5 O4 G3 ~. k
- '创建二维优化多段线0 m o0 s4 ]3 s, ]
- dblVerticesList(0) = -50+ L N! n3 B6 B9 `7 }. g& B
- dblVerticesList(2) = 50
s6 y1 @* m" D5 t* P! U0 z - dblVerticesList(4) = 60: dblVerticesList(5) = 10& g2 V+ x% \! W0 b6 F& B
- dblVerticesList(6) = 60: dblVerticesList(7) = 60' W- {$ l- l& V$ q$ t6 z
- dblVerticesList(8) = -60: dblVerticesList(9) = 60
' \- l8 s: U) K3 Z. @' g - dblVerticesList(10) = -60: dblVerticesList(11) = 104 A6 O6 D; Y+ m' {7 o/ K) K' `# v
- Set objLWPLine(0) = .ModelSpace.AddLightWeightPolyline(dblVerticesList)
0 B$ I5 e/ t2 Y2 z: k - '多段线闭合( Q2 d$ s* z! M4 j2 D$ \
- objLWPLine(0).Closed = True
% x0 e) C; N) H( X) @* Q; @ - '把多段线的三个直线段改为圆弧+ M4 c. F: P. d- y c
- objLWPLine(0).SetBulge 1, Tan(.Utility.AngleToReal(90 / 4, acDegrees))
- m1 J) e8 g4 a/ Y* O - objLWPLine(0).SetBulge 3, Tan(.Utility.AngleToReal(180 / 4, acDegrees))0 H. b: V2 A) o
- objLWPLine(0).SetBulge 5, Tan(.Utility.AngleToReal(90 / 4, acDegrees))* |" G/ C5 o0 r" s
- '用多段线做边界创建面域6 r! U+ z* x$ h' E& [* z
- varRegions = .ModelSpace.AddRegion(objLWPLine)
: _% r3 ]4 o: A w - '删除用过的多段线
. X0 {8 |4 F/ a. a" K - objLWPLine(0).Delete7 T3 T# d. b# ~% |- \: R
- '用面域创建拉伸实体" M! _) B( x8 e! D: }0 C" h
- Set obj3DSolid = .ModelSpace.AddExtrudedSolid(varRegions(0), 300, 0)! j$ }. V+ q0 n$ G ]
- '删除用过的面域! u# Z. t1 H# A5 c, _; y4 w
- varRegions(0).Delete+ ]' E# D& f- K+ V) s& M
- '创建用于差集的中间大圆柱体0 D4 R& x+ n C0 H' V" _
- dblCenter(1) = 60: dblCenter(2) = 150
" \3 ` ~, ^. { - Set objCylinder = .ModelSpace.AddCylinder(dblCenter, 50, 300)
. F7 M \$ i1 V$ l0 g* J% y - '差集
6 J. U1 W* i5 \- g3 L6 d - obj3DSolid.Boolean acSubtraction, objCylinder6 X% K) Z7 e! G8 {; V2 x
- '创建用于差集的第一个小圆柱实体% ^( }$ o) [3 K$ e3 X1 f9 l* {1 m: q
- dblCenter(2) = 30$ t E8 x- |2 H
- Set objCylinder = .ModelSpace.AddCylinder(dblCenter, 10, 120)
( r5 U" G9 `; e* ~- g - '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
8 }* Z* H- R) C% w; ~ - '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& _0 J+ @! r* G4 |' A
- dblPoint(0) = -1: dblPoint(1) = 60: dblPoint(2) = 30
2 V! U+ }! R- [ a1 Q* { - '三维旋转小圆柱体 P: x- f" Q) F% c, n
- objCylinder.Rotate3D dblCenter, dblPoint, .Utility.AngleToReal(90, acDegrees)1 W# H* T' Y; J) s5 y
- '差集
* j4 r d# W. o9 x3 f$ I - obj3DSolid.Boolean acSubtraction, objCylinder) p$ o- t1 l5 g: C% R
- '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
1 O& y* y6 M$ _9 z - dblCenter(2) = 270: dblPoint(2) = 270; O' g* ~) r9 h! l- a
- Set objCylinder = .ModelSpace.AddCylinder(dblCenter, 10, 120)
. a$ w6 w) ^3 g' C+ e - objCylinder.Rotate3D dblCenter, dblPoint, .Utility.AngleToReal(90, acDegrees)
; ]* h* G& D: V: o - obj3DSolid.Boolean acSubtraction, objCylinder1 o" l2 \" W: h1 c0 B
- '指定实体的颜色- T, t! c3 @9 b( C
- obj3DSolid.color = 42* T/ N' T' g9 x( [/ D) n
- '新建UCS
* V Y1 |; S4 G% `) t - dblXAxisPoint(0) = 1: dblXAxisPoint(1) = 0: dblXAxisPoint(2) = -1* y! _/ l( p/ [; e3 i
- dblYAxisPoint(0) = -1: dblYAxisPoint(1) = 2: dblYAxisPoint(2) = -1
+ ^$ `8 Y/ n8 x3 j - Set objUCS = ThisDrawing.UserCoordinateSystems.Add(dblOrigin, dblXAxisPoint, dblYAxisPoint, "U")( T7 q1 ~1 x3 F
- '改变视图方向和着色模式
# ~ w$ b! _' q9 \ - .SendCommand "plan u u" & vbCr & "ucs w shademode g "; N* F" y3 Y3 v0 m0 _. ~
- End With9 y9 j( S2 q' i! d
复制代码 3 G% f; a" A: y: ~) h; @
[ 本帖最后由 woaishuijia 于 2010-2-11 22:33 编辑 ] |
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