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CAD

Computer aided design software.

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CAD

Ray (light ray)

Software; CAD

In rendering, the simulation of a straight line of light radiating from a light source. The number of light rays that need to be calculated by the renderer depend on desired qualities, such as ...

Raytracing

Software; CAD

A rendering technique used to create photorealistic reflections and refractions on reflective surfaces, and to produce shadows. Raytracing is a high-quality alternative to reflection mapping, ...

Real time

Software; CAD

In film and video compositing, the display, recording, or playback speed at which motion appears natural. In NTSC, real time is 30 frames per second; in PAL, it is 25 frames per second.

Redirect control

Software; CAD

A handle available at the origin of a character for translation and/or rotation of the character. When a character is redirectable, you can change the translation and orientation of its already ...

Reference editor

Software; CAD

A window that lets you manage the file and proxy references within a scene.

A method of rotation that uses a unit quaternion (a quaternion of length one) to represent an orientation in three dimensions. A quaternion is a four dimensional extension to complex numbers. Maya ...