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alpha channel described above. But unlike alpha channels being only a channel in
an image, mattes are complete images you can use in your projects to define
which areas of your video become transparent, which remain opaque. And again,
you can use a single image as a motionless mask for the whole duration of your
video clip, or you can use an animated sequence of masks for the same length.
First, create masks in PhotoImpact, then import them into the Timeline placing on
top of a video track. Mattes are described in detail in the section
mattes" on page
114.
COOL 3D Production Studio files
One of the most exciting features in MediaStudio
Pro is working with 3D computer generated
graphics. Having solid support for COOL 3D
Production Studio is simply cool - your imagination
is the limit.
Talking about 3D is beyond the scope of this book,
but you can create great-looking 3D text and logo
elements for use in your video productions.
There are three ways to export a MediaStudio Pro - compatible file format from
Cool 3D:
• C3D file: MSP can directly import COOL 3D Production Studio project files
(.c3d).
• COOL 3D Production Studio can export a 32-bit .avi video file with alpha
channel; this method is perfect for compositing work. Alpha channel in the file
will make overlaying easy.
• The third option is to export it as a sequence of images.
An important thing is to use the right settings when outputting sequences from
COOL 3D. Make sure to output frame-based image sequences from COOL 3D. Also,
keep in mind the target format and frame rate of the video project 3D images will
be used in. It is always possible to resize the 3D clips later in Media Studio Pro, but
it will take needless effort to do that.
Refer to COOL 3D Production Studio documentation for instructions on exporting
image sequences and creating video files with animated 3D objects.
CHAPTER 9: INTEGRATION WITH ULEAD PRODUCTS 181
"Working with
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