Operation Basic 3 Chapter

Selecting Images

Background Image and Foreground Image

Background and foreground in a transition effect

In a transition from one image to another, the old image is referred to as the “background image”. The new image, which replaces the old image, is referred to as the “foreground image”.

When a transition completes, the background image and foreground image are interchanged.

B: background image

F: foreground image

B F B F

Example transition effect: wipe

Background and foreground in an animation effect

In an animation effect, in which an effect pattern is inserted in the image or moved about on the image, the background image is the background to the effect, and the inserted effect is referred to as the “foreground image”.

When an animation effect completes, the background image and foreground image are not interchanged.

B: background image

F: foreground image

B

B F

Example animation effect: picture-in-picture

3-12Chapter 3 Basic Operation