| 摘要 |
PROBLEM TO BE SOLVED: To divide an image handwritten on an electronic blackboard by a simple operation and order the results in units of divided areas.SOLUTION: The electronic blackboard device comprises: the screen of a display unit 105; and a position coordinate detector 140 for detecting a position designated in an area on the screen. A CPU 111 comprises: means for detecting handwritten line data representing a series of detected positions and their detection orders; display means for displaying the detected handwritten line data on the screen; means for discriminating, on the basis of comparison between both-end positions of a line represented by the handwritten line data and a predetermined position, whether the line is a division line for dividing an area; and order determination means for determining the orders of the respective divided areas divided by the division lines, among the divided areas, on the basis of the detection orders of the detected positions within the divided areas. |
