VTK skull example program, this is a lot of compatriots who began to learn VTK can first study the program. This is under MFC, and that headsq is the slice image directly exported from CT machine. It needs to read these data when running. -VTK skull sample program, this is a lot of learning VTK compatriots can examine procedures. This is the mfc, which headsq ct machine is directly derived slice images, running time needed to read the data.