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arc command vba

arc command vba

arc command vba

(OP)
autocad2004 vba

trying to create an arc using
center point , start point , and total angle

can someone please help with the commands for doing this

thanks

RE: arc command vba

You just need to feed the AddArc method what it wants. It wants radius and angles. Find the radius by getting the distance between your center and the point you pick. Then calc the angles from your two points...

Sub Example_AddArc()
    ' This example creates an arc in model space.
   
    Dim arcObj As AcadArc
    Dim centerPoint(0 To 2) As Double
    Dim radius As Double
    Dim startAngleInDegree As Double
    Dim endAngleInDegree As Double
    
    ' Define the circle
    centerPoint(0) = 0#: centerPoint(1) = 0#: centerPoint(2) = 0#
    radius = 5#
    startAngleInDegree = 10#
    endAngleInDegree = 230#
    
    ' Convert the angles in degrees to angles in radians
    Dim startAngleInRadian As Double
    Dim endAngleInRadian As Double
    startAngleInRadian = startAngleInDegree * 3.141592 / 180#
    endAngleInRadian = endAngleInDegree * 3.141592 / 180#
    
    ' Create the arc object in model space
    Set arcObj = ThisDrawing.ModelSpace.AddArc(centerPoint, radius, startAngleInRadian, endAngleInRadian)
    ZoomAll
End Sub

"Everybody is ignorant, only on different subjects." — Will Rogers

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