1. A method for improving data delivery of an image to a device comprising the steps of: a) obtaining a first plurality of data points corresponding to the image, each data point having an address (t, u) on a two dimensional coordinate system; b) grouping the first plurality of data points into an integral number of linear divisions, wherein more than two data points from the first plurality of data points are grouped into at least one linear division; c) selecting, from each of a plurality of linear divisions two data points representing minimum and maximum values of one of t and u to form a second plurality of data points; and d) temporarily storing said second plurality of data points in a memory means until it is requested.