DISPLAY CONTROLLER

摘要

PROBLEM TO BE SOLVED: To provide a display controller for controlling an indication so as to exactly and surely identify a part overlapping plural areas on a screen. SOLUTION: A map information display controller 1 displays a first area specified by first map information stored in a first map information storage part 12 and a second area specified by second map information stored in a second map information storage part 13 on the screen of a display device 3 while partially overlapping these areas. In a plotting processing part 16, any one of pixels composing of a picture corresponding to only one of the first area and the second area is colored in respectively different first and second colors and plotting processing is controlled so as to color plural pixels corresponding to the part overlapping these areas so as to alternately constitute straight lines in the first and second colors.