Setting nesting options

The Advanced tab of the Composition Settings dialog box includes two nesting options. If the Preserve Resolution When Nested option is selected, the nested composition retains its resolution setting. If this option is not selected, the containing composition's resolution overrides the nested composition's resolution. You can use the Preserve Resolution option, for example, to retain a low resolution for a nested composition and improve its preview time.

When selected, the Preserve Frame Rate When Nested or in Render Queue option locks a composition to a specific frame rate, which should improve performance in many cases as well as eliminate the need to use Posterize Time in creating reduced frame rate effects. If this option is not selected, the containing composition's frame rate overrides the nested composition's frame rate.