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Media Servers for Lighting Programmers by Vickie Claiborne

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Appendix C Glossary

Below is some common terminology you may encounter when working with media servers.

3D Mapping The process for aligning a 2D image on a 3D object.

3D Object An object with three dimensions (height, width, and depth). Can be physical object or virtual object created with software.

Alpha Channel Each pixel in an image can contain four channels of information: channels for red, green, and blue, as well as the alpha channel, which stores transparency information.

Artifact Any undesired distortion in an image that is visible while the image is being viewed.

Art-Net A communication protocol created by Artistic License for sending multiple universes of DMX-512 over an Ethernet network.

Aspect Ratio A ratio between the width and ...

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