GIMP/Glossary

This is a glossary of the book. C channel There are two types. 1. A grayscale layer of a primary color. Channels depend on the image type. Channels in an RGB image would contain a Red channel, a Green channel and a Blue channel. Channels in a CMYK image would contain a Cyan channel, a Magenta channel, a Yellow channel and a Black channel. A grayscale image would only have one channel, a Gray channel. 2. A user created channel is a grayscale layer. They are often used to save selections. G Gaussian blur A filter that blurs an image. gradient A smooth blend from one color to another. They come in various shapes, but the most common is the linear gradient. J JPEG A lossy raster image format. L layer A part of an image, one which can be transparent, translucent or opaque, that, together with other layers, gets stacked up to form the image. M magic wand A tool for selecting areas of image or layer with the similar colour. P pixel A basic element of a raster image, having the shape of a single-colored square. PNG A lossless raster image format.