CheckInterference Example



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Using Programming Languages other than VBA

Sub Example_CheckInterference()
    ' This example creates a box and a cylinder in model space.
    ' It then finds the interference between the two solids and
    ' creates a new solid from that interference.
    
    ' For ease of viewing, different colors are used for the box, the
    ' cylinder, and the interference solid.
    
    Dim color As AcadAcCmColor
    Set color = AcadApplication.GetInterfaceObject("AutoCAD.AcCmColor.16")

    Dim boxObj As Acad3DSolid
    Dim boxLength As Double, boxWidth As Double, boxHeight As Double
    Dim boxCenter(0 To 2) As Double
    boxCenter(0) = 5#: boxCenter(1) = 5#: boxCenter(2) = 0
    boxLength = 10#: boxWidth = 7: boxHeight = 10#
    
    ' Create the box (3DSolid) object in model space
    Set boxObj = ThisDrawing.ModelSpace.AddBox(boxCenter, boxLength, boxWidth, boxHeight)
    Call color.SetRGB(80, 100, 244)
	boxObj.TrueColor = color
    
    ' Define the cylinder
    Dim cylinderObj As Acad3DSolid
    Dim cylinderCenter(0 To 2) As Double
    Dim cylinderRadius As Double
    Dim cylinderHeight As Double
    cylinderCenter(0) = 0#: cylinderCenter(1) = 0#: cylinderCenter(2) = 0#
    cylinderRadius = 5#
    cylinderHeight = 20#
    
    ' Create the Cylinder (3DSolid) object in model space
    Set cylinderObj = ThisDrawing.ModelSpace.AddCylinder(cylinderCenter, cylinderRadius, cylinderHeight)
    Call color.SetRGB(244, 150, 50)
	cylinderObj.TrueColor = color
    
    ' Find the interference between the two solids and create a new solid from it
    Dim solidObj As Acad3DSolid
    Set solidObj = boxObj.CheckInterference(cylinderObj, True)
    Call color.SetRGB(200, 150, 244)
	solidObj.TrueColor = color

    ' 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
    
    ' You can now delete the box and cylinder in AutoCAD to
    ' see the interference solid more clearly.
               
End Sub

 
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