Why is vtkRTAnalyticSource.cxx in Parallel? Any objection to move it to Imaging (with some change like VTK_PARALLEL_EXPORT -> VTK_IMAGING_EXPORT)? -- François Bertel, PhD | Kitware Inc. Suite 204 1 (518) 371 3971 x113 | 28 Corporate Drive | Clifton Park NY 12065, USA