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ActiveX 开发指南

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AddRevolvedSolid Method (ActiveX)

2023-1-4 12:27| 发布者: admin| 查看: 559| 评论: 0|来自: AutoCAD

摘要: 在给定轴周围的区域的情况下创建旋转实体。

在给定轴周围的区域的情况下创建旋转实体。

支持的平台:仅窗口

签名

工 务 局:

RetVal = object.AddRevolvedSolid(Profile, AxisPoint, AxisDir, Angle)
对象

类型:模型空间,图纸空间

此方法适用的对象。

轮廓

访问:仅输入

类型:区域

配置文件只能是对象。Region

轴点

访问:仅输入

类型:变体(双精度的三元素数组)

指定旋转轴起点的 3D WCS 坐标。

轴迪尔

访问:仅输入

类型:变体(双精度的三元素数组)

指定旋转轴方向的 3D 矢量。

角度

访问:仅输入

类型:

以弧度为单位的旋转角度。输入 6.28 进行整圈旋转。

返回值(RetVal)

类型:3DSolid

对象作为新创建的旋转实体。3DSolid

言论

必须关闭要旋转的区域。不能旋转块中包含的对象。一次只能旋转一个对象。

右手法则确定旋转的正方向。

例子

工 务 局:

Sub Example_AddRevolvedSolid()
    ' This example creates a solid from a region
    ' rotated around an axis.
    ' The region is created from an arc and a line.
    Dim curves(0 To 1) As AcadEntity

    ' Define the arc
    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)
    
    ' Define the line
    Set curves(1) = ThisDrawing.ModelSpace.AddLine(curves(0).startPoint, curves(0).endPoint)
        
    ' Create the region
    Dim regionObj As Variant
    regionObj = ThisDrawing.ModelSpace.AddRegion(curves)
    ZoomAll
    MsgBox "Revolve the region to create the solid.", , "AddRevolvedSolid Example"
    
    ' Define the rotation axis
    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
        
    ' Create the solid
    Dim solidObj As Acad3DSolid
    Set solidObj = ThisDrawing.ModelSpace.AddRevolvedSolid(regionObj(0), axisPt, axisDir, angle)
    ZoomAll
    
     ' Change the viewing direction of the viewport
    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 "Solid created.", , "AddRevolvedSolid Example"

End Sub

Visual LISP:

(vl-load-com)
(defun c:Example_AddRevolvedSolid()
    ;; This example creates a solid from a region
    ;; rotated around an axis.
    ;; The region is created from an arc and a line.
    (setq acadObj (vlax-get-acad-object))
    (setq doc (vla-get-ActiveDocument acadObj))
    (setq modelSpace (vla-get-ModelSpace doc))

    ;; Define the arc
    (setq centerPoint (vlax-3d-point 5 3 0)
          radius 2
          startAngle 0
          endAngle 3.141592)
    (setq arc (vla-AddArc modelSpace centerPoint radius startAngle endAngle))
    
    ;; Define the line
    (setq line (vla-AddLine modelSpace (vla-get-StartPoint arc) (vla-get-EndPoint arc)))
        
    (setq curves (vlax-make-safearray vlax-vbObject '(0 . 1)))
    (vlax-safearray-put-element curves 0 arc)
    (vlax-safearray-put-element curves 1 line)

    ;; Create the region
    (setq regionObj (vla-AddRegion modelSpace curves))
    (vla-ZoomAll acadObj)
    (alert "Revolve the region to create the solid.")
    
    ;; Define the rotation axis
    (setq rotAxisPt (vlax-3d-point 7 2.5 0)
          rotAxisDir (vlax-3d-point 11 1 3)
          rotAngle 6.28)
        
    ;; Create the solid
    (setq solidObj (vla-AddRevolvedSolid modelSpace (vlax-safearray-get-element (vlax-variant-value regionObj) 0) rotAxisPt rotAxisDir rotAngle))
    
    ;; Change the viewing direction of the viewport
    (setq NewDirection (vlax-3d-point -1 -1 1))
    (setq activeViewport (vla-get-ActiveViewport doc))
    (vla-put-Direction activeViewport NewDirection)
    (vla-put-ActiveViewport doc activeViewport)
    (vla-ZoomAll acadObj)
    (alert "Solid created.")
)

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