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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.
# j: k n e6 p第二个图
+ X7 \) t5 W. G- & i E5 m# E' {* i9 J
- '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UCS4 R1 G: O5 q y, H
- Dim dblOrigin(2) As Double, dblXAxisPoint(2) As Double, dblYAxisPoint(2) As Double, objUCS As AcadUCS
4 Q4 M4 K' }5 d( N. o3 g; N - '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8 Z, d3 c- M7 b$ x- s; ~# E8 A, ?
- Dim dblVerticesList(11) As Double, objLWPLine(0) As AcadLWPolyline, varRegions As Variant, obj3DSolid As Acad3DSolid/ ^8 H. b7 f# b. ?
- '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
7 }7 [8 \! f- f7 i - Dim dblCenter(2) As Double, objCylinder As Acad3DSolid4 m' G# S0 R4 C0 ^" l' ]8 M
- '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4 D- B5 o$ n& [# @& b7 h
- Dim dblPoint(2) As Double
$ {! i( U# ]% H3 I1 N L - With ThisDrawing; |% z1 q: V" C% l
- '把UCS设为WCS
0 ^: L0 u% g/ Q- O, h - .SendCommand "ucs w "4 _# T* b/ `2 H d& m
- '创建二维优化多段线/ a' ]5 [: d* x9 \6 [
- dblVerticesList(0) = -50% u7 \. U \" M' O; {; y7 w1 x
- dblVerticesList(2) = 50
/ T' j) h" n- b9 e( _; n6 W - dblVerticesList(4) = 60: dblVerticesList(5) = 10- t0 j, R" `9 h+ c g3 n) r
- dblVerticesList(6) = 60: dblVerticesList(7) = 60% B* S8 K1 c0 }3 g2 t
- dblVerticesList(8) = -60: dblVerticesList(9) = 60
' p8 J" A; n$ o( w% X! D - dblVerticesList(10) = -60: dblVerticesList(11) = 10
* l) V! g! S9 q4 |$ ~" O6 T1 N - Set objLWPLine(0) = .ModelSpace.AddLightWeightPolyline(dblVerticesList)
6 q ?. S# W1 w) [# S - '多段线闭合
' D) F2 l |' s9 r k7 X/ Q7 f% }* w - objLWPLine(0).Closed = True4 V* _( _/ V+ i) X9 k
- '把多段线的三个直线段改为圆弧
% C1 L# g8 z; t+ S# v) [/ e' i! [ - objLWPLine(0).SetBulge 1, Tan(.Utility.AngleToReal(90 / 4, acDegrees)): K4 X5 U: K0 d# S; q- V( B
- objLWPLine(0).SetBulge 3, Tan(.Utility.AngleToReal(180 / 4, acDegrees))
* f+ R% I& M. r& G0 ?8 b! t - objLWPLine(0).SetBulge 5, Tan(.Utility.AngleToReal(90 / 4, acDegrees))
& v' X2 r9 n2 C) j& u2 D* o - '用多段线做边界创建面域
: n( o& s" @" ] - varRegions = .ModelSpace.AddRegion(objLWPLine)/ I, R* Q: B; c6 y* W' y+ O
- '删除用过的多段线0 H+ Q- M/ K4 s
- objLWPLine(0).Delete7 Y4 ^$ V$ V$ }4 O
- '用面域创建拉伸实体
* u6 g2 u: w1 n: g2 x3 o; Z( B - Set obj3DSolid = .ModelSpace.AddExtrudedSolid(varRegions(0), 300, 0)
' g, }% {; `$ r- |; O - '删除用过的面域( Z C# @3 m/ ~
- varRegions(0).Delete7 V5 {/ Z3 t- g
- '创建用于差集的中间大圆柱体
, d2 Z, n$ e5 H1 | - dblCenter(1) = 60: dblCenter(2) = 150
9 J, t+ m9 B; G, w - Set objCylinder = .ModelSpace.AddCylinder(dblCenter, 50, 300)1 z- o6 |6 o: `+ S) e
- '差集
1 V7 Q @& o8 s& L - obj3DSolid.Boolean acSubtraction, objCylinder
" l4 H6 L4 X1 P2 x) b - '创建用于差集的第一个小圆柱实体
$ F+ @9 f; l# a( _6 ` - dblCenter(2) = 30
& i0 e; O) }& |+ |+ j% ? - Set objCylinder = .ModelSpace.AddCylinder(dblCenter, 10, 120)" @, c+ N9 k( |- h% E% 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
) s R+ `7 K8 h4 z - '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
. ^# _7 `& Z7 O" x* |- ~ - dblPoint(0) = -1: dblPoint(1) = 60: dblPoint(2) = 301 P0 _; F+ l/ [( e% k2 ^: A. M
- '三维旋转小圆柱体
: z+ e" v& |2 w5 Z% i/ T6 P - objCylinder.Rotate3D dblCenter, dblPoint, .Utility.AngleToReal(90, acDegrees)9 A5 d5 f( R( F5 ^0 L
- '差集
& W0 w+ b7 j" c: |( Y+ v - obj3DSolid.Boolean acSubtraction, objCylinder
* E- S* a7 b8 A% [$ u - '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; e* @, @6 x- v. {0 B
- dblCenter(2) = 270: dblPoint(2) = 2704 s- G! a& \; i t& ?$ Y) D
- Set objCylinder = .ModelSpace.AddCylinder(dblCenter, 10, 120)
. c, n! V; x6 f3 ^) k; G. B Z - objCylinder.Rotate3D dblCenter, dblPoint, .Utility.AngleToReal(90, acDegrees)
1 t1 i* z! }& a9 ?# A - obj3DSolid.Boolean acSubtraction, objCylinder
5 E9 U6 d# ?% |: _7 Z2 q" [ - '指定实体的颜色7 i# a7 C# O0 z/ K
- obj3DSolid.color = 42# x, D1 Y2 x6 u: i1 k! c- g
- '新建UCS
/ h) f( U; a( f+ x - dblXAxisPoint(0) = 1: dblXAxisPoint(1) = 0: dblXAxisPoint(2) = -1
) s/ s2 B/ h! Q! Q, E. ~4 J8 l - dblYAxisPoint(0) = -1: dblYAxisPoint(1) = 2: dblYAxisPoint(2) = -1
5 Z' B3 B$ n3 _- \( ^% | - Set objUCS = ThisDrawing.UserCoordinateSystems.Add(dblOrigin, dblXAxisPoint, dblYAxisPoint, "U")3 L5 p N/ E- J4 i1 B- w6 ^ I& c
- '改变视图方向和着色模式; k/ w7 b$ X/ k( o
- .SendCommand "plan u u" & vbCr & "ucs w shademode g "- V) x; Z. r0 K
- End With& B) ]. }" S7 Z
复制代码
9 p5 d# N! b) C7 Z[ 本帖最后由 woaishuijia 于 2010-2-11 22:33 编辑 ] |
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