As indicatory period in the trend graph is changed during scroll period of the scroll

摘要

PROBLEM TO BE SOLVED: To provide a scroll system efficiently performing a scroll of a trend graph over a whole collection period and the scroll particularly considering a fixed period since the scroll system related to the usual trend graph is difficult in scroll operation using a piece of a scroll bar when the collection period of the data is long. SOLUTION: Although, in this trend graph scroll system, the display period of the trend graph 1 is changed over within the scroll period of the scroll bar 2 by operating the picture displayed scroll bar 2, when a picture displayed button 3 is operated, the scroll period of the scroll bar 2 is changed over, and the display of the trend graph 1 is allowed to cope with the long term data and short term data by changeover of the scroll period.