An object that can be drawn into a timeline needs to be able to provide the start and end time of its data, and also be able to accept a size at which it should draw itself.
A timeline visualisation.
Timeline markers that are drawn onto a timeline
This is an item plotter for
Represents a track in the timeline.
A timeline object is a temporal object and is able to drawn sections of temporal data into a given viewport.
Different type of markers.