DEPARTMENT OF THE NAVY WASHINGTON D C
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An apparatus and method for transforming graphical data into digital data using a digital computer having plotting equipment is disclosed in the patent application it eliminates the need for a separate digitizing machine. A pen replacement having a point defined thereon replaces a pen in a holding device. Pen placement is directed by a computer responding to commands from an operator to traverse graphical data while the computer records digital position information.
- Computer Hardware