
Managing Axes in OVERLAY Layouts
Overview
When you write GTL programs, all axes are automatically managed for you. For
example, in a LAYOUT OVERLAY block, the overlay container decides the following
characteristics:
• which axes are displayed
• the axis type of each axis (linear, time, and so on)
• the data range of each axis
• the label of the axis
• other axis characteristics, some of which are derived from the current style
Usually, the internal techniques that are used to manage axes produce good default axes.
Occasionally, you might find some feature that you want to change. Layout statements
provide many axis options that change the default axis ...