37. A method according to claim 36 wherein said step of utilizing a modified Bresenham algorithm for wide lines comprises the step of generating an array of square boxes which are superimposed on map C on the 1-cells imported from map A into map C, each of said boxes corresponding to a predetermined area.
36. A method according to claim 32 wherein said step of importing non-interfering unmatched 1-cells from map B into map C comprises the step of utilizing a modified Bresenham algorithm for wide lines.