1. Method for displaying gridded datasets, comprising the steps of: creating at least one level tree node; IF more than one tree node is created, THEN linking neighboring said tree nodes; OTHERWISE measuring the defined quality of said at least one tree node; IF said defined quality is less than a predetermined goal, THEN refining a particular view, further comprising the steps of determining the usefulness of a particular vertex of gridded data; retrieving additional data so as to satisfy a view refinement criteria; and performing a redraw; OTHERWISE IF said defined quality exceeds a predetermined goal, THEN decimating a particular view; OTHERWISE generating triangle fans from said at least one tree node so as to facilitate their rendering as an input to a graphical display.