Zooming Charts

Depending on the amount of data initially shown on a Time, Event, XY, or Correlation chart, you may not be able to see the fine details in a trend. To show more detail, you can zoom in on any area of a chart by placing the mouse pointer in a chart's plotting area, and then clicking and dragging the mouse to select the area you want to enlarge. As you drag the mouse, a selection area appears, as the following figure shows:

When you release the mouse, the selected area is enlarged.   

You can also zoom in and out via the chart's context menu.

NOTE: The Auto Refresh option negates all zooms. Consequently, if you need to zoom into a chart, you may want to lengthen the Auto Refresh interval or disable the option temporarily.

To zoom a chart

  1. Position the mouse pointer over the plotting area of the chart.

  2. Right-click and select one of the following zoom commands from the context menu:

    • Select Zoom from the context menu to zoom the chart horizontally and vertically.

    • Select Zoom Vertically from the context menu to zoom the chart vertically.

    • Select Zoom Horizontally from the context menu to zoom the chart horizontally.

You can also zoom a chart by clicking and dragging the mouse inside the plotting area of the chart.

To undo a zoom

  1. Position the mouse pointer over the plotting area of the chart.

  2. Right-click and select Undo Last Zoom to cancel the last zoom command. To undo all zoom commands, select Undo All Zooms from the context menu.

See Also

To customize a chart's zooming options