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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.
* e8 t+ _6 ~: d2 h$ H& C6 @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UCS1 Z+ c& |" J+ A$ D$ Y
- Dim dblOrigin(2) As Double, dblXAxisPoint(2) As Double, dblYAxisPoint(2) As Double, objUCS As AcadUCS
6 Z! s6 }0 r5 z8 {5 | - '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
: w' ?4 j' b: M/ W - Dim dblVerticesList(11) As Double, objLWPLine(0) As AcadLWPolyline, varRegions As Variant, obj3DSolid As Acad3DSolid. N1 n. ], r' ^/ b' E
- '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
) s- M' `* q* z+ [/ X - Dim dblCenter(2) As Double, objCylinder As Acad3DSolid
' H; y' k" N- t9 K - '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
) q+ x5 ]: |7 Z - Dim dblPoint(2) As Double( }- u* }9 o) Q5 _
- With ThisDrawing, W! P. h# `9 v$ C& y* l2 X- c
- '把UCS设为WCS: ~4 A1 Z0 G. p* }% s0 H
- .SendCommand "ucs w "& Z* S8 y8 m ^; a. _8 D
- '创建二维优化多段线' y9 U1 C$ e0 ~- ]0 R/ z. }
- dblVerticesList(0) = -50
4 @3 t8 e- S# Z- R5 m, l) y - dblVerticesList(2) = 50- g; r- |% D$ ?" I
- dblVerticesList(4) = 60: dblVerticesList(5) = 109 H/ F. k# m( o
- dblVerticesList(6) = 60: dblVerticesList(7) = 60
5 P8 W/ k7 G$ L, Y! B. V& _ - dblVerticesList(8) = -60: dblVerticesList(9) = 609 j6 H8 ^) o+ b
- dblVerticesList(10) = -60: dblVerticesList(11) = 10( [ E4 y4 z: {6 Q: F* d+ N
- Set objLWPLine(0) = .ModelSpace.AddLightWeightPolyline(dblVerticesList)
2 s* T/ ?$ l" x2 r) K& Q+ u - '多段线闭合3 z& p I, e/ V5 L
- objLWPLine(0).Closed = True
- [. M7 w# d. q( |3 y - '把多段线的三个直线段改为圆弧6 @5 K }+ d7 k8 z, `) V
- objLWPLine(0).SetBulge 1, Tan(.Utility.AngleToReal(90 / 4, acDegrees))
: G$ y/ h, n5 F- T) {- i% e) Z - objLWPLine(0).SetBulge 3, Tan(.Utility.AngleToReal(180 / 4, acDegrees))7 k. g+ y @. @' b" H% _1 \
- objLWPLine(0).SetBulge 5, Tan(.Utility.AngleToReal(90 / 4, acDegrees))1 W# P2 U! t* h; e7 i
- '用多段线做边界创建面域* Q% @* I8 Z0 ]* c
- varRegions = .ModelSpace.AddRegion(objLWPLine)
; v9 D5 F0 c2 m) R9 ?9 J - '删除用过的多段线
8 W# Q4 K% w) i; ~0 f8 [9 a* W - objLWPLine(0).Delete
* E6 i N1 k% L- Q3 \ - '用面域创建拉伸实体
$ |7 v, [& n9 m2 ^! i N) ~) x# N - Set obj3DSolid = .ModelSpace.AddExtrudedSolid(varRegions(0), 300, 0)0 x9 z, ?/ O; Y1 ^- \
- '删除用过的面域$ X8 y6 T& H3 b$ Q1 c% q
- varRegions(0).Delete/ M& X1 \: K4 f& \
- '创建用于差集的中间大圆柱体4 [8 G1 h Z# S, j0 T
- dblCenter(1) = 60: dblCenter(2) = 150( y% A3 Z( f5 `7 Q
- Set objCylinder = .ModelSpace.AddCylinder(dblCenter, 50, 300): t( Q; T6 L/ T, F
- '差集* u3 h L' \" \: g& H. Z- U/ a
- obj3DSolid.Boolean acSubtraction, objCylinder
, P/ a" m. _5 u - '创建用于差集的第一个小圆柱实体" w. J. ?2 n2 ~5 Z7 k0 n
- dblCenter(2) = 30
7 y. g9 {' v7 s' |( c* ?- z$ z2 c - Set objCylinder = .ModelSpace.AddCylinder(dblCenter, 10, 120)
5 w& k# U* p" ~. I& T - '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3 P; ~9 {) t3 y4 W2 h8 ^9 u; Q+ R
- '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
3 U0 Z% _" O, ~2 Q/ A2 d& \ - dblPoint(0) = -1: dblPoint(1) = 60: dblPoint(2) = 30, P" G; V& ]# P, ]/ b
- '三维旋转小圆柱体' @( m2 m5 j+ A7 a" W j
- objCylinder.Rotate3D dblCenter, dblPoint, .Utility.AngleToReal(90, acDegrees)7 }) b6 f/ H0 |2 s- m: q* v8 I
- '差集
) d' b/ }3 g9 @$ f) j+ P4 A. ^1 ~: b - obj3DSolid.Boolean acSubtraction, objCylinder% _# o9 E. |! _
- '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' _% z- n ^0 X6 g+ V9 e/ B- N
- dblCenter(2) = 270: dblPoint(2) = 270
* U, k1 y5 [& e) ] - Set objCylinder = .ModelSpace.AddCylinder(dblCenter, 10, 120)
+ e2 Q! j Z$ l9 p! n% X - objCylinder.Rotate3D dblCenter, dblPoint, .Utility.AngleToReal(90, acDegrees)
: h) Q5 i0 H# c, B& F" h( M1 o( ` - obj3DSolid.Boolean acSubtraction, objCylinder5 B; X, W( { p$ m) |9 ^& |& }
- '指定实体的颜色" n1 p6 b, U# I! k$ r& S$ }
- obj3DSolid.color = 42
6 {+ a; L0 h" W7 m2 l7 z/ \( L - '新建UCS
2 T) x# h3 B& z; q1 W9 |- p - dblXAxisPoint(0) = 1: dblXAxisPoint(1) = 0: dblXAxisPoint(2) = -1- T. Y n5 C' I/ n% k7 Y+ `
- dblYAxisPoint(0) = -1: dblYAxisPoint(1) = 2: dblYAxisPoint(2) = -1: j8 H( T* F. i% ?4 o1 m
- Set objUCS = ThisDrawing.UserCoordinateSystems.Add(dblOrigin, dblXAxisPoint, dblYAxisPoint, "U")
6 Q8 J- R, ^" m' A& i9 b$ a, A6 \* _ - '改变视图方向和着色模式
. T. A. W5 }3 @ s - .SendCommand "plan u u" & vbCr & "ucs w shademode g "1 T/ p# G/ B$ ~ b0 D& d' n8 `
- End With
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复制代码 # c" |0 V0 b0 k) H3 S( _( ^
[ 本帖最后由 woaishuijia 于 2010-2-11 22:33 编辑 ] |
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