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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.
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! _8 _# h" r4 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
* D# j9 B0 g7 j3 s+ s, q6 E - Dim dblOrigin(2) As Double, dblXAxisPoint(2) As Double, dblYAxisPoint(2) As Double, objUCS As AcadUCS
. b* w8 W; R' N9 v& `5 o8 H - '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
" e8 V: y% F1 |( R3 _& w9 ~6 D - Dim dblVerticesList(11) As Double, objLWPLine(0) As AcadLWPolyline, varRegions As Variant, obj3DSolid As Acad3DSolid
2 k1 `! H8 [* E X+ h - '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
8 {' e3 c D- T0 r - Dim dblCenter(2) As Double, objCylinder As Acad3DSolid, @* H0 t% K6 @1 h: y
- '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
/ T, R6 t6 \2 U, q9 S. ?+ P; f) K - Dim dblPoint(2) As Double
" u, Z1 U6 a$ y+ Z4 R - With ThisDrawing
2 X9 o1 q* V0 T5 X% K/ D. p - '把UCS设为WCS
M1 A- E# |% ? J - .SendCommand "ucs w "5 Z+ Y- u0 p: g
- '创建二维优化多段线
9 V7 n2 D( ] ^1 r - dblVerticesList(0) = -50$ ]! e# ^/ @; Q, [3 r1 z- t9 r
- dblVerticesList(2) = 503 F7 c q( D. ?2 b0 t; |% C. b5 X' j
- dblVerticesList(4) = 60: dblVerticesList(5) = 10
- l+ S+ [6 n+ h8 b/ f4 t - dblVerticesList(6) = 60: dblVerticesList(7) = 60% e' L+ r1 K- Q8 F! I
- dblVerticesList(8) = -60: dblVerticesList(9) = 60
# j0 _; J$ u" z - dblVerticesList(10) = -60: dblVerticesList(11) = 10
7 h3 g, K& Q0 L - Set objLWPLine(0) = .ModelSpace.AddLightWeightPolyline(dblVerticesList)
- ?: I$ G8 w/ i9 r$ s - '多段线闭合
# p% b" t; Y8 K# ~: Q+ f( U - objLWPLine(0).Closed = True
+ b+ L) o) m& v7 h$ v - '把多段线的三个直线段改为圆弧
& K& w* s+ K: @- Y3 o - objLWPLine(0).SetBulge 1, Tan(.Utility.AngleToReal(90 / 4, acDegrees))6 N/ o# v5 O+ ^2 ]2 H m$ _: G; p
- objLWPLine(0).SetBulge 3, Tan(.Utility.AngleToReal(180 / 4, acDegrees))0 X5 I$ O3 t. t
- objLWPLine(0).SetBulge 5, Tan(.Utility.AngleToReal(90 / 4, acDegrees))$ E5 |& g0 X! [0 \% z
- '用多段线做边界创建面域/ t( Z2 t4 m* E* b2 J5 @ }) B# P
- varRegions = .ModelSpace.AddRegion(objLWPLine)
9 x2 O8 ^6 _. h8 {1 g, l - '删除用过的多段线
4 a- _$ G2 G' N7 f$ ` - objLWPLine(0).Delete) J- m4 h- C$ g! F5 {/ c t
- '用面域创建拉伸实体! i, z. p0 @+ y8 Z8 v
- Set obj3DSolid = .ModelSpace.AddExtrudedSolid(varRegions(0), 300, 0)) f! B! ]8 {2 z0 G& [
- '删除用过的面域
. t. V9 B7 c% K3 }, y& j; s- n - varRegions(0).Delete
% f' |# ^7 l4 p. q* a - '创建用于差集的中间大圆柱体8 A3 g" o* |9 L3 @' K( T- _
- dblCenter(1) = 60: dblCenter(2) = 150
& Q" X" s5 A1 Z, i2 U - Set objCylinder = .ModelSpace.AddCylinder(dblCenter, 50, 300)
7 |' Y1 d; \' {! { - '差集
6 `8 q! |6 O, x8 E P9 B/ Z - obj3DSolid.Boolean acSubtraction, objCylinder% f {) @7 x' j
- '创建用于差集的第一个小圆柱实体
; |7 e n2 d) U8 y( p - dblCenter(2) = 30
8 ?: l5 C" X; x! ]/ V L, n' l - Set objCylinder = .ModelSpace.AddCylinder(dblCenter, 10, 120)
. d5 T- g$ S* w# t; L+ g - '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2 `- P: `7 }6 {
- '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# D/ C* Q# P7 s$ O+ O( V$ o, A& n b
- dblPoint(0) = -1: dblPoint(1) = 60: dblPoint(2) = 307 @1 z, s3 v0 d( K6 H
- '三维旋转小圆柱体
: r: L* [: H; N5 X8 Y, _- V9 P' @0 f' a - objCylinder.Rotate3D dblCenter, dblPoint, .Utility.AngleToReal(90, acDegrees)! P x5 U z% _0 ]: l0 @
- '差集5 ?# d1 G3 Q1 {7 Z; J0 o$ f' g
- obj3DSolid.Boolean acSubtraction, objCylinder. r8 K7 M5 h# o0 `( L+ t
- '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" T8 ^' B- N4 c: r; l
- dblCenter(2) = 270: dblPoint(2) = 2707 Z! T" i& @) R4 O5 c
- Set objCylinder = .ModelSpace.AddCylinder(dblCenter, 10, 120)
t0 A! s, }& Z* J. K - objCylinder.Rotate3D dblCenter, dblPoint, .Utility.AngleToReal(90, acDegrees)! Y* B' }- O$ @) P5 S
- obj3DSolid.Boolean acSubtraction, objCylinder
" Z5 S3 J5 \$ L9 \3 U" v - '指定实体的颜色
* C$ l7 {/ t: V. Z* G6 h - obj3DSolid.color = 42# E! o! P8 t" x* J8 U, p7 [
- '新建UCS6 J7 e3 a5 D3 i9 h7 o7 o
- dblXAxisPoint(0) = 1: dblXAxisPoint(1) = 0: dblXAxisPoint(2) = -17 t. ~: g$ Y2 _3 F6 s
- dblYAxisPoint(0) = -1: dblYAxisPoint(1) = 2: dblYAxisPoint(2) = -1
9 q: g$ d4 a# T4 S, W7 w - Set objUCS = ThisDrawing.UserCoordinateSystems.Add(dblOrigin, dblXAxisPoint, dblYAxisPoint, "U")( x; ?$ h5 {* M( c
- '改变视图方向和着色模式% n) H+ B% S# V7 S1 W
- .SendCommand "plan u u" & vbCr & "ucs w shademode g "
$ I4 g' ~; X+ ~" W9 ^* V( G6 g! a - End With
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6 O; o; \- I4 |[ 本帖最后由 woaishuijia 于 2010-2-11 22:33 编辑 ] |
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