User Guide

Animation and Video434
To set grain position:
1 Record a script that applies surface
texture or dye concentration to an
entire image.
2 Choose Movie menu > Set Grain
Position. The Frame-to-Frame
Grain Position dialog appears.
3 Choose one of the following
options:
Grain Stays Still—this option
allows the grain to remain in the
same position throughout the
movie.
Grain Moves Randomly—this
option moves the grain as the
movie plays.
Grain Moves Linearly—this
option increments the grain
movement. Fill in the number of
pixels you want the grain to move
horizontally and vertically from
one frame to the next.
4 Click OK.
5 Apply the grain script by choosing
Movie menu > Apply Script to
Movie. Each frame is textured
according to your selected method.
Tip
•
If you choose Grain Moves Randomly,
you must disable the Record Initial State
option when recording your script. For more
information, refer to “Recording Scripts”
on page 417.
Using Scripts to Apply Brush
Strokes
Corel Painter also lets you apply a
brush stroke to a movie.
Corel Painter divides the stroke into as
many segments as there are frames
and places the segments in successive
frames.
This feature is most useful when used
with the Image Hose. When you
apply a brush stroke to a movie using
the Image Hose brush, Corel Painter
deposits one or more Nozzle images
on each frame. If the Nozzle file is an
animated sequence—for example, a
person walking—Corel Painter can
drop successive images on successive
frames. Play the movie back, and the
person walks across the image
window. For this to work, you must set
up the Nozzle file appropriately and
have the right Image Hose brush size.
For more information, refer to “Using
the Image Hose” on page 334.
To apply a brush stroke script:
1 Record a brush stroke.
For more information on this
feature, refer to “Recording and
Playing Back Strokes” on
page 117.
2 Open a movie file.
3 Choose Movie menu > Apply
Brush Stroke to Movie.
Compositing Movies
You can composite two movies
together into one—for example, you
can composite a foreground action
against a new background. To do this,
you must create a selection in each
frame of the foreground movie. For
information about selections, refer to
“Creating Selections” on page 206.
You can also create an alpha channel
for each frame and load it as a
selection as you work. For more
information, refer to “Creating
Channels” on page 220.