Wednesday, October 1, 2008

What is ADOBE Photoshop about?

In simplest terms Photoshop is raster based image editing program. It has very powerful tools which can analyze and allow you to modify these pixels. Raster or bit mapped graphics are defined by a grid of pixels to Photoshop. Each pixel has a specific color value assigned to it depending what color mode you are working in it is defined differently. A pixel is usually very small so you don't notice the individual pixels, they all combine to make up you image.

Common uses for raster image formats
1. Continuous tone images like photographs
2. Used on the web

Raster image formats advantages
1. Only format that will show smooth gradients and subtle detail necessary in photographic images
2. Allow for color correction much easier then vector images

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