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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.
2 x# A9 _4 p! \5 _; ]: z' V0 V第二个图
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. o6 [: e* |' l+ ?7 f6 Y' G; ] K! c. o, g- '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UCS9 j' E# {' X9 ^0 b$ P
- Dim dblOrigin(2) As Double, dblXAxisPoint(2) As Double, dblYAxisPoint(2) As Double, objUCS As AcadUCS
" K6 q, B. G$ g' t - '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
+ y: B' S/ S. s, i - Dim dblVerticesList(11) As Double, objLWPLine(0) As AcadLWPolyline, varRegions As Variant, obj3DSolid As Acad3DSolid
* p& V4 V: V0 r - '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
v! h" ?3 J) B u+ e6 { - Dim dblCenter(2) As Double, objCylinder As Acad3DSolid9 D2 p3 F. q3 t7 Q
- '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
- h) X+ L: ]' U - Dim dblPoint(2) As Double: n$ ~& E! W- x1 u1 x6 [
- With ThisDrawing3 m: a2 V- z# b! a
- '把UCS设为WCS4 F. C6 p% X! t& b/ u" O3 I
- .SendCommand "ucs w "8 l L6 A3 ~. \. x) Q: e
- '创建二维优化多段线4 \$ Y( C. `6 o$ {
- dblVerticesList(0) = -50 V1 f1 ~2 M( L" X1 F- }. P
- dblVerticesList(2) = 50
. j' _% F7 ?* T/ P7 s, q - dblVerticesList(4) = 60: dblVerticesList(5) = 104 z1 D+ K& Q( {! y' f4 N" h
- dblVerticesList(6) = 60: dblVerticesList(7) = 60
' l& @0 s/ b# D$ U& K - dblVerticesList(8) = -60: dblVerticesList(9) = 607 X4 w0 n" u1 k T( t* d* T
- dblVerticesList(10) = -60: dblVerticesList(11) = 10$ F- r: T+ W" z" U# y, }; U
- Set objLWPLine(0) = .ModelSpace.AddLightWeightPolyline(dblVerticesList)$ ?2 F$ y$ O! M3 u3 r
- '多段线闭合
0 w$ n$ ~& X+ ] e" f - objLWPLine(0).Closed = True
7 b* v2 W' E/ L* b* G - '把多段线的三个直线段改为圆弧$ r i; u0 |" Z" J0 Z
- objLWPLine(0).SetBulge 1, Tan(.Utility.AngleToReal(90 / 4, acDegrees))
0 C" y Y p6 x+ Q - objLWPLine(0).SetBulge 3, Tan(.Utility.AngleToReal(180 / 4, acDegrees))
1 L; z/ q3 g, ^, a - objLWPLine(0).SetBulge 5, Tan(.Utility.AngleToReal(90 / 4, acDegrees)), B- B9 m- [% t8 ^1 J1 a K( \; B& K
- '用多段线做边界创建面域
# D3 ~7 y$ l; B; ]2 H$ E - varRegions = .ModelSpace.AddRegion(objLWPLine)
/ M: M6 z0 G! J' |0 k - '删除用过的多段线
- m5 s* g0 P; j. p3 q8 I- n) y - objLWPLine(0).Delete
9 k0 ]5 C; u1 x% X, C - '用面域创建拉伸实体
5 h8 t' N/ k3 m9 L$ ?; ?' V } - Set obj3DSolid = .ModelSpace.AddExtrudedSolid(varRegions(0), 300, 0)0 z! i, n2 ?- @! y
- '删除用过的面域
, y. Q- i) `* N/ t% I; X2 b8 H$ | - varRegions(0).Delete
7 y) t! j& @2 |) e - '创建用于差集的中间大圆柱体
) w1 Q1 i a+ F5 Q( | - dblCenter(1) = 60: dblCenter(2) = 1508 J# {* X3 \1 X% N, ?
- Set objCylinder = .ModelSpace.AddCylinder(dblCenter, 50, 300)
4 j, z V E7 b/ p - '差集
4 f0 K/ }1 K- j' Z - obj3DSolid.Boolean acSubtraction, objCylinder
% h( Q+ f1 ?8 }% P - '创建用于差集的第一个小圆柱实体
: x0 v+ D4 B! j# R. { - dblCenter(2) = 30
0 w- @/ I9 `2 ?" a* A3 [4 w: i - Set objCylinder = .ModelSpace.AddCylinder(dblCenter, 10, 120)" c' h* b1 I0 c2 a& H
- '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5 u3 Y, @! v; B* O0 U/ h4 U
- '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 _$ ~; u- G5 A/ P - dblPoint(0) = -1: dblPoint(1) = 60: dblPoint(2) = 30& e, |/ _- n; ~; t0 w! \; c' h# @
- '三维旋转小圆柱体$ V) n0 \ ~. l8 d4 @
- objCylinder.Rotate3D dblCenter, dblPoint, .Utility.AngleToReal(90, acDegrees)# z# X, D% [% x4 l. f9 q
- '差集
& y' {9 r. w0 p6 p% g f - obj3DSolid.Boolean acSubtraction, objCylinder
9 O. Q. i$ ]4 ~" M" b6 m - '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2 \6 b& b3 e1 Z- X
- dblCenter(2) = 270: dblPoint(2) = 270) ?7 F6 C, H9 {
- Set objCylinder = .ModelSpace.AddCylinder(dblCenter, 10, 120)7 e L' `: G! O5 C+ m$ i
- objCylinder.Rotate3D dblCenter, dblPoint, .Utility.AngleToReal(90, acDegrees)/ K5 u3 J1 }* L5 w, v$ t
- obj3DSolid.Boolean acSubtraction, objCylinder3 G7 x0 {- L: ]0 z# I( q! B
- '指定实体的颜色; X1 c4 N: [! B+ ]! _
- obj3DSolid.color = 42
/ W7 @5 t. g. p( R9 h$ K/ u - '新建UCS
! G, Q. E& ?; z& |6 D - dblXAxisPoint(0) = 1: dblXAxisPoint(1) = 0: dblXAxisPoint(2) = -1
: _, @; ?' \$ S) \5 M0 v - dblYAxisPoint(0) = -1: dblYAxisPoint(1) = 2: dblYAxisPoint(2) = -1$ J1 q! X! v; G% A
- Set objUCS = ThisDrawing.UserCoordinateSystems.Add(dblOrigin, dblXAxisPoint, dblYAxisPoint, "U")0 x' t7 N& `( P6 n: n
- '改变视图方向和着色模式
8 y/ k2 z( r& e/ ~' h; ~& j - .SendCommand "plan u u" & vbCr & "ucs w shademode g "
! C$ Z3 o8 \; |9 ]# S - End With% C: }# l( z4 Z% y, i ]
复制代码 ( X* x3 G2 @( ]8 T7 J
[ 本帖最后由 woaishuijia 于 2010-2-11 22:33 编辑 ] |
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