US Patent 7667862 Method and system for streaming images to wireless devices

A method for interactively viewing raster images using scalable vector graphics (SVG), including receiving an SVG document, the SVG document including a reference to a raster image within the SVG document, the reference indicating a rectangular portion, a display width and height, and an IP address for a server computer, passing the SVG document to an SVG viewer, rendering the SVG document, including requesting from the server computer a first portion of raster image data corresponding to the rectangular portion, display width and display height, the first portion of raster image data being derived from the raster image, receiving the first portion of raster image data from the server computer, displaying the first portion of raster image data, transmitting a user request for a different portion of the raster image data, receiving a modified SVG document, modified according to the different portion requested by the user, passing the modified SVG document to the SVG viewer for re-rendering. A system and a computer readable storage medium are also described and claimed.