| 摘要 |
PURPOSE:To reduce the setting of an operation state which causes an operator's operation to be interrupted. CONSTITUTION:A body attention degree calculation part 18 calculates the degree of attention of a display body from a viewpoint position, a gazing point position, a screen display position and picture element brightness, a screen display body and shape attribute data. An operation state setting part 12 sets an operation state according to the degree of attention to the display body, the inputted operation state, and data of an operation state storage part 19. When a user clearly sets the operation state, the operation state is set. The degree of attention is compared with the degree of attention stored in an operation state storage part 19 and when the degree of attention becomes equal or larger, the operation state is changed into the operation state in the operation state storage part 19. An operation process part 13 alters the shape attribute data and redisplays a screen according to the operation state set the operation state setting part 12. An operation state display part 20 displays the operation state to the user. |
