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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.; @8 V& l, J6 [# V
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
) V9 g) B! f8 c- ?9 F2 W+ G/ { - Dim dblOrigin(2) As Double, dblXAxisPoint(2) As Double, dblYAxisPoint(2) As Double, objUCS As AcadUCS3 Q7 _ }' Q. 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
2 ?* P O5 o3 p - Dim dblVerticesList(11) As Double, objLWPLine(0) As AcadLWPolyline, varRegions As Variant, obj3DSolid As Acad3DSolid. [ f: q( t& _1 z
- '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4 u; X; N7 U( M$ i p, b8 i
- Dim dblCenter(2) As Double, objCylinder As Acad3DSolid9 e l2 H2 f' P' v' f0 m1 H+ }" a5 t
- '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/ H6 K) a9 s3 f% y
- Dim dblPoint(2) As Double) w0 V. `7 G8 H7 I/ p: w
- With ThisDrawing
9 s7 V& N6 Y1 G7 \ - '把UCS设为WCS
; D* Z Z2 e7 o0 N+ [, V - .SendCommand "ucs w "
' G1 f( r7 [. v: e% T* b. U, w - '创建二维优化多段线
{3 P5 \) |' E8 n# B" J - dblVerticesList(0) = -50
/ D6 ?6 H* W) `3 W% I - dblVerticesList(2) = 50
. v# S: h! I( V- F- f) a - dblVerticesList(4) = 60: dblVerticesList(5) = 107 f# Z; r+ V3 t4 ?, W6 J. `0 |7 T2 x
- dblVerticesList(6) = 60: dblVerticesList(7) = 609 l6 v, P `; N; ~
- dblVerticesList(8) = -60: dblVerticesList(9) = 60
% B* s' M+ o/ i0 c$ s; K - dblVerticesList(10) = -60: dblVerticesList(11) = 10; z* {2 |! {* R+ P" V1 A4 `
- Set objLWPLine(0) = .ModelSpace.AddLightWeightPolyline(dblVerticesList)
+ S4 y/ i" e" G: w9 G - '多段线闭合' N2 ]: f1 N3 {
- objLWPLine(0).Closed = True: X ]3 U) w! }) k$ A% z, R
- '把多段线的三个直线段改为圆弧
- x+ p; J) |7 D/ n. G! s$ B9 | - objLWPLine(0).SetBulge 1, Tan(.Utility.AngleToReal(90 / 4, acDegrees))5 {) I* o H7 o2 H! I5 u" O
- objLWPLine(0).SetBulge 3, Tan(.Utility.AngleToReal(180 / 4, acDegrees))% ~+ W2 D0 {5 R$ b/ h
- objLWPLine(0).SetBulge 5, Tan(.Utility.AngleToReal(90 / 4, acDegrees))
$ n2 M0 |: f: ]$ @/ ^$ d - '用多段线做边界创建面域5 r! {: H l+ v, t5 P# S5 z
- varRegions = .ModelSpace.AddRegion(objLWPLine)( @: C; f/ w. t( n2 D; S
- '删除用过的多段线! \6 ~9 I% F1 N9 V( B7 _& T/ ]
- objLWPLine(0).Delete
! S) B9 p9 l$ }. f$ G - '用面域创建拉伸实体0 c5 F0 K3 D3 T% F, z! ?: f( P
- Set obj3DSolid = .ModelSpace.AddExtrudedSolid(varRegions(0), 300, 0)
# }7 ]6 u& M; _1 b3 \( }$ q - '删除用过的面域
, w1 [, @; i- q: l - varRegions(0).Delete8 u3 m. _% \7 Y& j/ \
- '创建用于差集的中间大圆柱体7 k( y3 `4 ^9 ~1 {
- dblCenter(1) = 60: dblCenter(2) = 150% @! L6 V' ~, _5 K8 c# i C( T2 u
- Set objCylinder = .ModelSpace.AddCylinder(dblCenter, 50, 300)* P. A7 c) Q- _! w8 s& t/ i
- '差集: {3 u ^7 ^2 m Z3 |2 r% K
- obj3DSolid.Boolean acSubtraction, objCylinder
9 e# n e$ O8 [8 a8 Y* V3 @ - '创建用于差集的第一个小圆柱实体& a# z+ q; P9 S# f3 r
- dblCenter(2) = 30
+ h; I5 v- W( \ - Set objCylinder = .ModelSpace.AddCylinder(dblCenter, 10, 120)
; h! j6 y) }2 o - '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& W X; L& r6 s
- '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
1 Z) Y# h c, Y# w; H) w. | - dblPoint(0) = -1: dblPoint(1) = 60: dblPoint(2) = 30
% v2 x2 M- s7 t! p$ j w - '三维旋转小圆柱体- I4 k" A' G5 }
- objCylinder.Rotate3D dblCenter, dblPoint, .Utility.AngleToReal(90, acDegrees)
; d% L5 q3 {5 R+ F3 ~1 w - '差集
" D0 A& t" d9 _3 A$ P+ o9 l2 w - obj3DSolid.Boolean acSubtraction, objCylinder
# f; v. l7 R( q 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& @0 K* `! q H! _
- dblCenter(2) = 270: dblPoint(2) = 270
3 F' R( Y' j$ p- M2 B7 r$ H - Set objCylinder = .ModelSpace.AddCylinder(dblCenter, 10, 120)
* I1 D l$ {5 q. A( @- Q - objCylinder.Rotate3D dblCenter, dblPoint, .Utility.AngleToReal(90, acDegrees)) W+ h$ G7 k% J9 h; W# i4 k. x
- obj3DSolid.Boolean acSubtraction, objCylinder
+ W& r: O% v5 D3 o) L: ` - '指定实体的颜色
' q U" G0 A3 O7 p - obj3DSolid.color = 42
2 D( {4 T" P" o - '新建UCS
9 O" l5 r7 }8 w' O- M! ~ - dblXAxisPoint(0) = 1: dblXAxisPoint(1) = 0: dblXAxisPoint(2) = -1. ~" P1 B% ^0 h5 H2 b
- dblYAxisPoint(0) = -1: dblYAxisPoint(1) = 2: dblYAxisPoint(2) = -1& ?5 P! R8 P, N9 u. m
- Set objUCS = ThisDrawing.UserCoordinateSystems.Add(dblOrigin, dblXAxisPoint, dblYAxisPoint, "U")
; G/ ?; w$ b' G - '改变视图方向和着色模式
# {7 t( K' t% I: ~$ r - .SendCommand "plan u u" & vbCr & "ucs w shademode g "
) h' _3 \- t) c( B - End With
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! `# m$ ?2 u: `; W1 w[ 本帖最后由 woaishuijia 于 2010-2-11 22:33 编辑 ] |
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发表于 2010-2-10 11:41
楼主
多谢高手了~！感激啊……