12. A program storage device readable by a digital processing apparatus and tangibly embodying a program of instructions executable by the digital processing apparatus to perform method steps for selecting a file format from a plurality of stored File formats for use in performing a translation from said selected file format to a requested file format, the method comprising the steps of: receiving a request for a data file in a requested file format; and determining an optimal file format from a plurality of stored file formats of said data file for use in performing said translation to said requested file format.
12. A program storage device readable by a digital processing apparatus and tangibly embodying a program of instructions executable by the digital processing apparatus to perform method steps for selecting a file format from a plurality of stored File formats for use in performing a translation from said selected file format to a requested file format, the method comprising the steps of: receiving a request for a data file in a requested file format; and determining an optimal file format from a plurality of stored file formats of said data file for use in performing said translation to said requested file format. 14. The program storage device according to claim 12 wherein said determining step is based upon minimizing the tile size of translation of said data file.