Downloadable computer software for generating, reconstructing, visualizing, manipulating, transmitting, and storing 2-D, 3-D and 4-D image data and associated information; Downloadable computer software that uses photo-realistic illumination models, physics-based illumination models, and/or true light interaction models for illumination and/or shadowing of image data and associated information; Downloadable computer software for image archiving and compression, communications and information ...