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</o:shapelayout></xml><![endif]--></head><body lang=DE link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span lang=EN-US>Hi,<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>I am using VTK to find a best fitting hyperplane (or regression plane) for a given 3D point cloud (polydata surface) and was wondering if the ThinPlateSplineTransform could be of any help. Can I use an equally distributed ‘grid’ of points to calculate the matching hyperplane with the ThinPlateSplineTransform or is there a better way?<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>Regards,<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>Michael<o:p></o:p></span></p><p class=MsoNormal><o:p> </o:p></p></div></body></html>