30. A method according to claim 29 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 in map C on the 1-cells imported from map A into map C, each of said boxes corresponding to a predetermined area.
30. A method according to claim 29 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 in map C on the 1-cells imported from map A into map C, each of said boxes corresponding to a predetermined area. 31. A method according to claim 30 wherein said step of generating an array of square boxes which are superimposed in map C on the 1-cells imported from map A into map C, comprises the step of importing the array of boxes in map C into map B to identify the unmatched 1-cells in map B which will not interfere with the 1-cells from map A, each of said boxes corresponding to a predetermined area.