3.13Image ManagerApplying EffectsThe Effects menu in the Edit mode contains a number of effects thatcan be applied to images. These can have dramatic effects on theimages.All effects can be applied to the entire image or to the selected regiononly. To apply the effect only to a region of an image, select the regionbefore invoking the effects.Most effects have several parameters that can be changed. You can seethe result of changing parameters in the preview area of the Effectwindow.For further details on applying effects, use the on-line help.Undoing Your ActionsYou can undo your last 5 actions and turn the image to the state it hadbefore performing these actions. This is useful if you applied anoperation by mistake. To undo an action, click the Undo button onthe toolbar. To achieve directly an action you want to undo, choose itfrom the drop down list by clicking the downward arrow button next tothe button. All the actions, which have been done after the cancelledaction, will be undone too.To redo the action that was undone, click the Redo button ontoolbar.To achieve directly an action you want to redo, choose it from the dropdown list by clicking the downward button next to the Redo button. Allthe actions, which have been undone before the cancelled action, will beredone too.