To composite one movie with another

1 Open the foreground movie.

2 In each frame, create a selection that defines the foreground image.

Because the foreground image continues to move, the selection in each frame must be different.

3 On the Frame Stacks palette, click the Rewind button [nj to go back to the first frame in the stack.

4 Open the background movie or image.

If the background is a movie, click the Rewind button.

5 Do one of the following:

• Select the background movie and choose Movie menu > Set Movie Clone Source.

• Select the background image and choose File menu > Clone Source > [Image Title].

6 Select the foreground movie.

7 Click the drawing mode button in the lower-left corner of the document window, and choose one of the following:

• | | Draw Outside if you selected the portion of the image that you want to keep.

• ' ' Draw Inside if you selected the portion of the image that you want to replace.

You can also invert the selection instead of changing the drawing mode.

8 On the Brush Selector bar, choose a Cloners brush.

If you want to bring the background across perfectly, select the Straight Cloner brush variant.

9 Paint in the foreground movie to replace the background by using the clone source.

10 Click the Step Forward button it] and paint the background of the next frame. If your clone source is a movie, Corel Painter automatically advances the foreground and clone source movies by one frame. The movies stay synchronized as you proceed.

11 Repeat step 10 for each frame in the movie.

If you want to automate the painting process, you can record the complete painting of one frame as a script and then apply that script to the entire movie. This assumes that the entire movie can use the cloned background. For more information, refer to "Applying Scripts to Movies" on page 371.

The frame stack ofthe background movie.

The frame stack ofthe background movie.

The frame stack ofthe foreground movie where selections ofthe dog are generated.

The frame stack ofthe foreground movie where selections ofthe dog are generated.

The composited movie. To composite movies using scripting

1 Working in a sample image, determine whether Auto Select or Color Select works best with your image.

Those selection methods are accessible by choosing Select menu > Auto Select or Color Select.

2 When you've determined the settings for the best method, start over. This time, record the Auto Select or Color Select process as a script.

To record a script, click the palette menu arrow on the Scripts palette, and choose Record Script.

3 Open the frame stack in which you wish to create selections.

4 Choose Movie menu > Apply Script to Movie.

5 In the Apply Script to Movie dialog box, double-click the Auto Select or Color Select script you saved.

Corel Painter applies the script to each frame in the stack.

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