Trend snapshot

The trend snapshot curve is a snapshot of a trend taken at a specific time.

Fig Trend snapshot

A time interval can be selected in the time toolbar. When a new time intervall is
selected the 'Update curve' button is pressed to redraw the curve.

Store curve

A snapshot curve can be stored by activating File/Save in the menu.

Open stored curve

A saved snapshot curve is opened from File/Open in the menu. To open in a new window,
first activate File/New to open an empty snapshot window, and then activate File/Open in
this window.