Create and show a trend snapshot
You can capture and save a snapshot of graphed data and then layer that saved data over current data in a trend. This feature allows you to overlay and compare historical data with current data or any multiple sets of data.
TIP:
Settings on the
Runtime
tab enable or disable an operator's ability to create snapshots and show or hide overlays at runtime.To create and show a snapshot:
- Using the Trend property tabs, set up the pens, start date and time, time span, and other trending options that you want to include in the snapshot.
- Run the trend.
- To capture the chart data, right-click the trend chart and then selectCreate Snapshot. Name the snapshot and then clickOK.
- To add the snapshot to the trend, open the chart properties and then click theOverlaystab.
- ClickAdd. Click the name of the snapshot you want to add and then clickOK.
- To show and hide the snapshot on the trend chart, run the trend. Right-click the trend and selectOverlays > Show/Hide >snapshot name.
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