yes with 3d matrix do I mean an array of 3d point values and with volume i mean a 3d image... maybe someone have an example code for this problem? thanks! -- View this message in context: http://vtk.1045678.n5.nabble.com/3d-matrix-to-volume-tp4392472p4392883.html Sent from the VTK - Users mailing list archive at Nabble.com.