3D Compositing with Action > Action: Basics > Setup and Processing Options >
Adaptive Degradation Tab

Use these settings to temporarily deactivate taxing operations during interactive manipulations. These settings do not affect the final renders.

Active button
  Enable to activate adaptive degradation display settings. Use to prevent slowdowns of the image window display when changing Action settings.
Filtering Degrade box
  Select whether to degrade filtering selections in the image window when changing any Action settings.
Filtering Update box
  Select whether to always degrade filtering selections, or on manipulation only.
EWA Filtering box
  Select whether to apply EWA or EWA+Linear filtering on maps (if selected in the Filter box) only when processing (Process Only), or all the time when working in Action (Always Use).
Lens Flare / Rays Degrade box
  Select whether to degrade Lens Flares and Rays.
Particles Degrade box
  Select a particle quality display setting.
Particles Update box
  Select whether to always degrade particles selections, or on manipulation only.

Shading Degrade box
  Select whether to degrade shading selections in the image window when changing any Action settings.
Shading Update box
  Select whether to always degrade shading selections, or on manipulation only.
Shadows Degrade box
  Select a shadow quality display setting.
Shadows Update box
  Select whether to always degrade shadows selections, or on manipulation only.
Surfaces Degrade box
  Select a surface quality display setting.
Surfaces Update box
  Select whether to always degrade surfaces selections, or on manipulation only.