A CDE Definition
In 3D graphics, it is the area that is within the view of the user. When rendering images, graphics programmers must write routines that draw all visible objects within the viewing frustum and not waste processing time dealing with elements outside of it. See 3D graphics.
The Viewing Frustum
The creation, display and manipulation of objects in the computer in three dimensions. 3D CAD and 3D graphics programs allow objects to be created on an X-Y-Z scale (width, height, depth). As 3D entities, they can be rotated and viewed from all angles as well as be scaled larger or smaller. They also allow lighting to be applied automatically in the rendering stage. See graphics, graphics pipeline, Gouraud shading, Phong shading and 2D graphics. See also 3D visualization.
The 3D Stage
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Terms By Topic
Click any of the following categories for a list of fundamental terms.