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TGA

Type:Image File

Acronym: Truevision Advanced Raster Graphics Adapter

Opens With: Adobe Photoshop CS5, Adobe Illustrator CS5, GIMP

Raster graphic file format designed by Truevision; supports 8, 16, 24, or 32 bits per pixel at a maximum of 24 bits for RGB colors and 8-bit alpha channel; often used to store texture files referenced by 3D video games.

In 1989, Truevision introduced new extensions to the Targa format to meet the needs of graphics professionals. Examples of the extra extensions include:

  • Date and time the file was created
  • Author name and comments
  • Alpha channel type
  • Pixel aspect ratio
  • Gamma value

A scaled-down postage stamp copy of the image (a "thumbnail" image) The Targa format, which stands for Truevision Advanced Raster Graphics Adapter, was designed by Truevision (now Pinnacle Systems) in 1984 for use with its first video software programs.

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