Patent ID: 8310702

Claim:
An information processing method of generating print data in a printing apparatus which forms an image on a printing medium with a plurality of types of printing materials, the method comprising: an acquisition step of acquiring light scattering characteristic information of all the printing materials used in the printing apparatus; a decision step of deciding, in accordance with the light scattering characteristic information acquired in said acquisition step, an order in which the plurality of types of printing materials are superposed in at least some pixels of the image to be formed on the printing medium; and a generation step of generating print data to form the image on the printing medium by superposing the plurality of types of printing materials in the order decided in said decision step, wherein, in said decision step, the plurality of types of printing materials are classified into a plurality of groups in accordance with the light scattering characteristic information, and an order in which the printing materials are superposed to form the image on the printing medium is decided in terms of the groups.