| 摘要 |
PROBLEM TO BE SOLVED: To obtain a display data generation device capable of maintaining visibility of a displayed symbol even if an arbitrary area is enlarged or reduced.SOLUTION: An enlarged area setting part 104 sets an area where a corresponding symbol is displayed, as an enlarged area when a situation of an object changes. A symbol grouping part 105 groups multiple symbols on the basis of their distribution state. An enlargement/reduction part 106 determines an enlargement factor for the enlarged area, and with respect to areas other than the enlarged area, by determines a reduction factor on the basis grouped units and deforms display screen data. A symbol drawing optimization part 107 optimizes drawing so as to place a specific symbol in front, on the basis of a predetermined rule, when the specific symbol overlaps with other symbols. |
