Alpha channel: Difference between revisions

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The '''alpha channel''' is the fourth channel of an image, where the first three channels are red, green, and blue. Generally, a [[TGA]] file can be saved with just the [[RGB]] channels (24bit), or with all four channels (32bit). In Source, it is used to define either [[opacity]] or self-illumination.
[[category:glossary]][[category:Material system]]


The '''alpha channel''' is the fourth channel of an image, where the first three channels are red, green, and blue.  Generally, a [[TGA]] file can be saved with just the [[RGB]] channels (24bit), or with all four channels (32bit). In Source, it is used to define either [[opacity]] or self-illumination.
== See also ===
* [[Alpha]]


----
[[Category:Glossary]]
''See also''
[[Category:Material system]]
 
[[Alpha]]

Revision as of 07:03, 10 October 2007

The alpha channel is the fourth channel of an image, where the first three channels are red, green, and blue. Generally, a TGA file can be saved with just the RGB channels (24bit), or with all four channels (32bit). In Source, it is used to define either opacity or self-illumination.

See also =

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