occurrences (OccurrenceList) : Occurrences of components to process level (SelectionLevel) : Level of parts to remove : Parts, Patches or Polygons resolution (Int) : Resolution of the visibility viewer sphereCount (Int) : Segmentation of the sphere sphereCount x sphereCount fovX (Double) [optional] : Horizontal field of view (in degree) considerTransparentOpaque (Boolean) [optional] : If True, Parts, Patches or Polygons with a transparent appearance are considered as opaque