thanks for reply David, I'm using window7 64bits 4Gb of memory and I'm programming on vs2010. the configuration manager is set to win32. Massi -- View this message in context: http://vtk.1045678.n5.nabble.com/vtkImageReslice-tp5722020p5722022.html Sent from the VTK - Users mailing list archive at Nabble.com.