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Appendix A
Glossary - Synchronization
2D
Acronym for “two dimensional,” a term applied to computer graphics that are
“flat.” Typical desktop applications such as word processors, spreadsheet
programs, or other programs that manipulate print or simple graphics (such as
pictures or line art) are generally considered to be operating within a 2D
environment, even when they include simple three dimensional elements, such as
buttons.
3D
Acronym for “three dimensional,” referring to computer graphics that appear to
have volume and depth. Various modeling processes take the representation of a
three dimensional object provided by the computer program and render it by using
various lighting components, applying textures, and setting layers of transparency
or opacity as required in order to produce a realistic representation of a three-
dimensional object on a two-dimensional display.
Alpha Blending
Alpha blending is used in 3D graphics to create transparent or opaque effects for
surfaces such as glass and water. Alpha is a transparency value, so the lower the
value, the more transparent the image looks. It is also used in animations to produce
such things as fading effects, where one image gradually fades into another.
Anisotropic Filtering
A technique that preserves the surface details of an object as it recedes into the
distance by utilizing and blending together the object’s texture maps. This makes
3D objects appear more realistic as the detail of their surface texture is retained in
a smooth, seamless fashion on the sections that move or fade away into the
background.
Anti-aliasing
A method that smooths out the jagged edges of a curved object. A black curved line
on a white background displayed on a computer screen will have some jaggedness
along its edges due to the inherent limitations of using discrete pixels to display the
image. Anti-aliasing smooths out this jaggedness by filling in the white spaces
between the jagged edges with varying shades of grey.
Aspect Ratio
The proportions of a display are expressed as a ratio of its width and height.
Common ratios include 4:3 for TVs and CRTs, 5:4 for LCDs, and 16:9 for widescreen
displays.
Catalyst™ Control Center
Catalyst™ Control Center (CCC) is a graphical user application providing access to
the display features contained within the installed ATI hardware and software. CCC
can be used to fine-tune various graphics settings, enable or disable connected
display devices, change the orientation of a desktop, and much more.
© 2009 Advanced Micro Devices, Inc.
ATI FirePro™ S400 Syncronization Module