1 ) A digital image format for storing information and computer executable instructions that generate a digital image, the image format comprising: a header information section including information about the format and the digital image; an image data section including information related to the digital image; an executable code section including computer executable instructions that when executed by a computer perform operations to generate viewable image data for the digital image; and a program variables section including variables and static data defined and used by the computer executable instructions when executed by the computer.