Bonjour,

Je cherche à récupérer les coordonnées(X,Y,Z) de chaque point d'un nuage de points.
J'ai tenté de réaliser un programme qui fait cette commande mais en vain. Le compte de point nuageinst.count est toujours égal à 0.
J'ai trouvé ce "filtre" sur le guide de l'API de Revit.


Code:
Déclaration de l'éxécute        Dim nuage As PointCloudType
        Dim nuageinst As PointCloudInstance
        Dim nuagecollec As PointCollection
        Dim points As CloudPoint
        Const nbpoints As Integer = 999999
        Const distmoy As Double = 0.001
        Dim count As Integer




        nuage = PointCloudType.Create(doc, "rcs", "C:\nuage.rcs")
        nuageinst = PointCloudInstance.Create(doc, nuage.Id, Transform.Identity)


        t.Commit()
 


        'Filtre
        Dim app As Application = uidoc.Application.Application
        Dim currentSel As Selection = uidoc.Selection
        Dim pickedBox As PickedBox = currentSel.PickBox(PickBoxStyle.Enclosing, "Selectionne le nuage.")


        Dim min As XYZ = pickedBox.Min
        Dim max As XYZ = pickedBox.Max
        Dim view As View = uidoc.ActiveView
        Dim right As XYZ = view.RightDirection
        Dim up As XYZ = view.UpDirection
        Dim planes As List(Of Plane) = New List(Of Plane)


        Dim directionCorrect As Boolean = IsPointAbovePlane(right, min, max)
        planes.Add(app.Create.NewPlane(right, If(directionCorrect, min, max)))
        planes.Add(app.Create.NewPlane((right * -1), If(directionCorrect, min, max)))


        directionCorrect = IsPointAbovePlane(up, min, max)
        planes.Add(app.Create.NewPlane(up, If(directionCorrect, min, max)))
        planes.Add(app.Create.NewPlane((up * -1), If(directionCorrect, min, max)))


        Dim filter As PointCloudFilter = PointCloudFilterFactory.CreateMultiPlaneFilter(planes)
        Dim tr As Transaction = New Transaction(uidoc.Document, "Highlight")
        tr.Start()
        nuageinst.SetSelectionFilter(filter)
        nuageinst.FilterAction = SelectionFilterAction.Highlight
        tr.Commit()
        uidoc.RefreshActiveView()


        nuagecollec = nuageinst.GetPoints(filter, distmoy, nbpoints)
        count = nuagecollec.Count
Est-ce que vous pouvez m'éclairer sur l'erreur que je peux faire ?

En vous remerciant,