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An Introduction to Photoshop

Explore the capabilities of Photoshop, the ultimate digital Dark Room, for image editing, retouching, special effects, and more. Learn about color models, terminology, and preparatory concepts such as layers, channels, and paths.

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An Introduction to Photoshop

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  1. An Introduction to Photoshop

  2. What is Photoshop? • The digital equivalent of a Dark Room. • Photo editing lab. • Creative tool chest. • Translator of formats characteristics. • A scanning package. • Everything above and more all in one package.

  3. What Photoshop is not. • A drawing package. • A slide organizing package. • A movie making program. • An internet tool. • A web page development tool.

  4. Major Categories of Photoshop Use • Scanning and then Manipulating. • Photo Retouching and Alterations. • Adding Special Effects using Filters • Preparing Images to be Printed.

  5. RGB (Screen based) CMYK (Printing full-color Prints) Lab (Cross platform standard) Bitmap (Black & White) Grayscale (256 Shades of gray) Duotone (Two-four color channels – posters) Indexed (256 colors in one channel) MultiChannel (24 spot channels) Preparatory Concepts-Color

  6. Preparatory Concepts-Terminology • Layers - Overlays of separate parts of the final Images. Like transparencies. • Channels - Separation of the colors of the final images onto distinct sheets. • Paths - Recorded tracings from the image. Some tools will follow the path while performing a task. Vectors not part of the image. • Canvas versus image. Canvas is AREA you can work in. Image is presently used area. • Actions - Recorded series of tasks for repeating or automating steps.

  7. Preparatory Concepts-Terminology • History – Complete list of tasks performed. Allows multiple step undoes or the deletion of a previous step followed by the remaining steps. • Gamut – The range of colors that a color system can display or print. The Spectrum of colors seen by the human eye is wider that the gamut available in any color model.

  8. Preparatory Concepts - Gamut Lab RGB CMYK

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