vba旋转生成实体

brianxian

求VBA旋转生成实体语句，如一个平面的圆绕一个轴旋转后生成圆环，就是这个图标的语句。谢了！

wuyunpeng888

<pre class="Code">Sub Example_AddRevolvedSolid()
    ' 该示例通过面域沿一个轴旋转以创建实体。
    ' 面域是由一个弧和一根直线创建的。
    Dim curves(0 To 1) As AcadEntity

    ' 定义圆弧
    Dim centerPoint(0 To 2) As Double
    Dim radius As Double
    Dim startAngle As Double
    Dim endAngle As Double
    centerPoint(0) = 5#: centerPoint(1) = 3#: centerPoint(2) = 0#
    radius = 2#
    startAngle = 0
    endAngle = 3.141592
    Set curves(0) = ThisDrawing.ModelSpace.AddArc(centerPoint, radius, startAngle, endAngle)
   
    ' 定义直线
    Set curves(1) = ThisDrawing.ModelSpace.AddLine(curves(0).startPoint, curves(0).endPoint)
        
    ' 创建面域
    Dim regionObj As Variant
    regionObj = ThisDrawing.ModelSpace.AddRegion(curves)
    ZoomAll
    MsgBox "旋转该面域以创建实体。", , "AddRevolvedSolid 示例"
   
    ' 定义旋转轴
    Dim axisPt(0 To 2) As Double
    Dim axisDir(0 To 2) As Double
    Dim angle As Double
    axisPt(0) = 7: axisPt(1) = 2.5: axisPt(2) = 0
    axisDir(0) = 11: axisDir(1) = 1: axisDir(2) = 3
    angle = 6.28
        
    ' 创建实体
    Dim solidObj As Acad3DSolid
    Set solidObj = ThisDrawing.ModelSpace.AddRevolvedSolid(regionObj(0), axisPt, axisDir, angle)
    ZoomAll
   
     ' 更改视口的查看方向以更好地看清实体
    Dim NewDirection(0 To 2) As Double
    NewDirection(0) = -1: NewDirection(1) = -1: NewDirection(2) = 1
    ThisDrawing.ActiveViewport.direction = NewDirection
    ThisDrawing.ActiveViewport = ThisDrawing.ActiveViewport
    ZoomAll
    MsgBox "实体已创建完成", , "AddRevolvedSolid 示例"

End Sub</pre>

brianxian

谢了，就是这个东西，我的开发要完成了

brianxian

Sub Example_AddRevolvedSolid()
        Dim cc As AcadCircle
        Dim ptc(0 To 2) As Double
        Dim rc As Double
        ptc(0) = 0: ptc(1) = 0: ptc(2) = 0
        re = 5
         Set cc = ThisDrawing.ModelSpace.AddCircle(ptc, re)
    ' 创建面域
    Dim regionObj As Variant
    regionObj = ThisDrawing.ModelSpace.AddRegion(cc)
  
   
    ' 定义旋转轴
    Dim axisPt(0 To 2) As Double
    Dim axisDir(0 To 2) As Double
    Dim angle As Double
    axisPt(0) = 10: axisPt(1) = -5: axisPt(2) = 0
    axisDir(0) = 10: axisDir(1) = 5: axisDir(2) = 0
    angle = 6.28
       
    ' 创建实体
    Dim solidObj As Acad3DSolid
    Set solidObj = ThisDrawing.ModelSpace.AddRevolvedSolid(regionObj(0), axisPt, axisDir, angle)
    ZoomAll
End Sub
这又是这么回事？

按照你给的代码修改的

brianxian

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brianxian

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brianxian

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谢谢~~~~~~~~~~~~~~~~~~！