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pieper/loadPointCloud.py

Created June 3, 2022 20:57
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Load a ply point cloud in Slicer
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loadPointCloud.py
"""
filePath = "/Users/pieper/slicer/latest/SlicerMorph/loadPointCloud.py"
modelPath = "/opt/tmp/georeferenced_model.vtk"
exec(open(filePath).read())
"""
modelNode = slicer.util.loadModel(modelPath)
modelArray = slicer.util.arrayFromModelPoints(modelNode)
pointSource = vtk.vtkPointSource()
pointSource.SetNumberOfPoints(len(modelArray))
pointSource.Update()
pointPolyData = pointSource.GetOutputDataObject(0)
modelPolyData = modelNode.GetPolyData()
pointPolyData.GetPoints().DeepCopy(modelPolyData.GetPoints())
pointPolyData.GetPointData().DeepCopy(modelPolyData.GetPointData())
modelNode.SetAndObservePolyData(pointPolyData)
modelDisplayNode = modelNode.GetDisplayNode()
modelDisplayNode.SetRepresentation(modelDisplayNode.PointsRepresentation)
modelDisplayNode.SetPointSize(2)
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