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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.
/ {5 @7 V5 S& M第二个图8 ^1 ^9 m* ]# W
; e( [' k4 b6 E" X; ], u- '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
) s* e/ n3 q6 F$ [' G' h; Q - Dim dblOrigin(2) As Double, dblXAxisPoint(2) As Double, dblYAxisPoint(2) As Double, objUCS As AcadUCS# m% w/ C" ~% B5 k! k* m4 y
- '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
9 b" M6 b2 X: K$ X; ?6 ?$ N - Dim dblVerticesList(11) As Double, objLWPLine(0) As AcadLWPolyline, varRegions As Variant, obj3DSolid As Acad3DSolid
& Y H( R7 @. W - '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2 E2 j' \* w1 e6 u
- Dim dblCenter(2) As Double, objCylinder As Acad3DSolid
5 v$ A& ]0 D; a+ ]5 u) Q6 | S - '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0 R0 c! J) { J
- Dim dblPoint(2) As Double
/ d7 B$ a/ v7 c, d - With ThisDrawing$ u% Y" j [; {
- '把UCS设为WCS" |# D3 b. V5 A C# n" b
- .SendCommand "ucs w "# e( y( A4 K# g8 m6 N; J3 b
- '创建二维优化多段线$ ^4 k" { R( z; a. A5 k& M3 w# M
- dblVerticesList(0) = -509 a- K7 k0 I8 q! ]
- dblVerticesList(2) = 50% r7 W" a5 _6 `0 b' t* l
- dblVerticesList(4) = 60: dblVerticesList(5) = 10
- C8 S- c% B' ^* C n - dblVerticesList(6) = 60: dblVerticesList(7) = 605 r5 k) B8 s. o9 M
- dblVerticesList(8) = -60: dblVerticesList(9) = 60/ _, C& s2 U9 C% k6 e. p' P
- dblVerticesList(10) = -60: dblVerticesList(11) = 10
: O; t2 R! n: _ _0 i - Set objLWPLine(0) = .ModelSpace.AddLightWeightPolyline(dblVerticesList)8 b; x% \* x0 ?. l. m
- '多段线闭合
' C6 r9 _/ e+ {( c% {. I( { - objLWPLine(0).Closed = True) k5 M) ~. s! j7 O N
- '把多段线的三个直线段改为圆弧
/ ?+ N4 M. m. j* B3 q5 G1 H: v/ s - objLWPLine(0).SetBulge 1, Tan(.Utility.AngleToReal(90 / 4, acDegrees))
8 ~+ z c W+ P8 X- U# { - objLWPLine(0).SetBulge 3, Tan(.Utility.AngleToReal(180 / 4, acDegrees))
) K. b' d3 g- i; g1 Q. u8 m - objLWPLine(0).SetBulge 5, Tan(.Utility.AngleToReal(90 / 4, acDegrees))7 W' p* n) H' \) A$ q+ A; I
- '用多段线做边界创建面域, U( T* _8 I# b G7 M
- varRegions = .ModelSpace.AddRegion(objLWPLine)
+ }; W0 ?' s2 k: h* W( P - '删除用过的多段线/ K" W8 O1 z W+ x/ m3 ~
- objLWPLine(0).Delete# Z1 ^% V5 O7 S! m
- '用面域创建拉伸实体
5 x' @" {# v" `: z% A, } - Set obj3DSolid = .ModelSpace.AddExtrudedSolid(varRegions(0), 300, 0)+ {9 z6 U/ D0 ?+ a6 f- j# C
- '删除用过的面域/ I* G% \4 I) ~
- varRegions(0).Delete* V/ r h& X( A: E6 |4 r
- '创建用于差集的中间大圆柱体
7 i0 X2 A( T$ Y! ^' u - dblCenter(1) = 60: dblCenter(2) = 1504 @+ A ^! g Q4 K
- Set objCylinder = .ModelSpace.AddCylinder(dblCenter, 50, 300)+ b) j7 {1 K9 o+ u2 w, E9 ^
- '差集
|$ s5 M6 o. ~8 U+ `" V- G - obj3DSolid.Boolean acSubtraction, objCylinder
. f: W) ?5 _2 ]$ W - '创建用于差集的第一个小圆柱实体# q" Y, Y+ n( b7 _; G0 b
- dblCenter(2) = 301 i% |; W( @0 ~& p5 F5 b+ r/ G
- Set objCylinder = .ModelSpace.AddCylinder(dblCenter, 10, 120)
H7 g) f/ \2 J: E+ K - '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 i8 I! e: m4 h" x5 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
+ D0 W, @ Q4 ?6 b# k( i( C - dblPoint(0) = -1: dblPoint(1) = 60: dblPoint(2) = 30) E/ T" l% b5 P6 p* u
- '三维旋转小圆柱体. P N* W0 ~; n0 t G# D
- objCylinder.Rotate3D dblCenter, dblPoint, .Utility.AngleToReal(90, acDegrees)
3 V2 I. X* D1 a! L0 Q* I5 U - '差集: p# [4 X4 y, i4 s$ j
- obj3DSolid.Boolean acSubtraction, objCylinder
0 |, J# e2 { _) ^ - '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5 A7 Z: c; {! i" C
- dblCenter(2) = 270: dblPoint(2) = 270, v1 w; A) G/ j: y1 M
- Set objCylinder = .ModelSpace.AddCylinder(dblCenter, 10, 120)8 f8 i8 }' {# [9 ~' q1 \! B# h
- objCylinder.Rotate3D dblCenter, dblPoint, .Utility.AngleToReal(90, acDegrees)
# O* n' Q. q; J7 z8 B; W9 ? - obj3DSolid.Boolean acSubtraction, objCylinder$ ]: a4 C9 ?/ z9 U. `. f# ^ A
- '指定实体的颜色
d, R, Y5 F0 n- y) e, { Y - obj3DSolid.color = 42
* ?2 s- o9 W! \8 p) T* z - '新建UCS6 ?, r/ L* {* B# L
- dblXAxisPoint(0) = 1: dblXAxisPoint(1) = 0: dblXAxisPoint(2) = -1
: S4 T' g z4 q% I$ U - dblYAxisPoint(0) = -1: dblYAxisPoint(1) = 2: dblYAxisPoint(2) = -1
" F' {& X& A- V: Z$ m: W$ z( y+ v - Set objUCS = ThisDrawing.UserCoordinateSystems.Add(dblOrigin, dblXAxisPoint, dblYAxisPoint, "U")$ |. p0 c Y5 j Q
- '改变视图方向和着色模式/ Y( n$ i E& z% K- n
- .SendCommand "plan u u" & vbCr & "ucs w shademode g "
& }) Z- Z9 I& [2 C9 S - End With' R: [( G U- a- f5 p( j2 C, A
复制代码
2 `, }* c/ W: j! {, w; F[ 本帖最后由 woaishuijia 于 2010-2-11 22:33 编辑 ] |
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