3Dlabs Oxygen GVX210, User Manual

Page: 48 / 49

Glossary
3Dlabs Oxygen GVX210 User's Guide 38
Texture Mapping
A technique that enables 2D graphic images to be “wrapped” around or “pasted” on to a 3D primitive.
Perspective correction and lighting calculations allow for added realism.
Transformation
The change in rotation, size, position, and perspective of an object in 3D space.
Transparency
A function that refers to the rendering of transparent (non-opaque) objects. Transparency is generally
accomplished on a polygon rendering system using either screen-door transparency or alpha blending.
Vectors/second
Lines drawn per second.
VGA
Video Graphics Array. VGA runs at 640 x 480.
VHR
Very High Resolution. VHR runs at 1280 x 1024.
VRAM
Video Random Access Memory is an expensive, fast type of RAM that is used as display memory on high-end
graphics boards.
VRML
Virtual Reality Modeling Language.
Z-Buffer
Also known as the Depth Buffer, the Z-Buffer is a region of memory containing the depth component of a
pixel. Used, for example, to eliminate hidden surfaces from the image.