Creating timeline charts
When charting iBase items you can choose to create timeline charts rather than association charts. On a timeline chart, entities are represented as event frames and entities without dates and times as theme lines.
To create a timeline chart, you could add the event frames to the chart first, and then expand to add the theme lines or vice versa. Alternatively, you may create the chart using the Timeline Assistant and then add further items to the resulting chart.
You can either create a timeline chart by using the Timeline Assistant or, if the charting settings are set up correctly in Analyst's Notebook, by using the standard Add to Chart and Expand options on the shortcut menu.