Checks for interference between two solids and, if specified, creates a solid from the interference.
Supported platforms: Windows only
VBA:
RetVal = object.CheckInterference(Object, CreateInterferenceSolid, SolidsInterfere)
Type: 3DSolid
The object this method applies to.
Access: input-only
Type: 3DSolid
The object to check against.
Access: input-only
Type: Boolean
Access: output-only
Type: Boolean
No additional remarks.
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.20")
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
Dim bSolidsInterfere As Boolean
Set solidObj = boxObj.CheckInterference(cylinderObj, True, bSolidsInterfere)
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
Visual LISP:
(vl-load-com)
(defun c: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.
(setq acadObj (vlax-get-acad-object))
(setq doc (vla-get-ActiveDocument acadObj))
;; For ease of viewing, different colors are used for the box, the
;; cylinder, and the interference solid.
(setq color (vlax-create-object "AutoCAD.AcCmColor.20"))
(setq boxCenter (vlax-3d-point 5 5 0)
boxLength 10
boxWidth 7
boxHeight 10)
;; Create the box (3DSolid) object in model space
(setq modelSpace (vla-get-ModelSpace doc))
(setq boxObj (vla-AddBox modelSpace boxCenter boxLength boxWidth boxHeight))
(vla-SetRGB color 80 100 244)
(vla-put-TrueColor boxObj color)
;; Define the cylinder
(setq cylinderCenter (vlax-3d-point 0 0 0)
cylinderRadius 5
cylinderHeight 20)
;; Create the Cylinder (3DSolid) object in model space
(setq cylinderObj (vla-AddCylinder modelSpace cylinderCenter cylinderRadius cylinderHeight))
(vla-SetRGB color 244 150 50)
(vla-put-TrueColor cylinderObj color)
;; Find the interference between the two solids and create a new solid from it
(setq solidObj (vla-CheckInterference boxObj cylinderObj :vlax-true :vlax-true))
(vla-SetRGB color 200 150 244)
(vla-put-TrueColor solidObj color)
;; 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)
;; You can now delete the box and cylinder in AutoCAD to
;; see the interference solid more clearly.
(vlax-release-object color)
)