Textbook "Top player complete copy manual Vol.2" of the latest tennis technology became a digital book that was able to be read with iPad and it appeared. A convenient CG image for the confirmation of the operation image to say nothing of being able to read the text and the illustration with iPad was collected, and only iPad made inspection possible.
It analyzes based on data that analyzes each form of a flat serving, the slice serving, and the spin serving of Roger Federer by three dimensions and it explains in detail.