| 摘要 |
PROBLEM TO BE SOLVED: To display a past state of a monitoring target using a display screen configured by an object without using a large amount of data such as video data.SOLUTION: A monitoring target display device has: an object storage unit (10) that stores an object including a property defining a state of the object associated with a monitoring target and behavior calculating a value of the property on the basis of a value of a parameter; a property update unit (60) for updating a value of the property of the object stored in the object storage unit to a value calculated by the behavior; a property update history storage unit (70) for storing a history of update of the property by the property update unit; and a display unit (50) for displaying on the display device the object stored in the object storage unit using a past value of the property stored in the property update history storage unit. |
