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This is a glossary of the book.
- 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.
- Gaussian blur
- A filter that blurs an image.
- A smooth blend from one color to another. They come in various shapes, but the most common is the linear gradient.
- A lossy raster image format.
- 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.
- magic wand
- A tool for selecting areas of image or layer with the similar colour.
- A basic element of a raster image, having the shape of a single-colored square.
- A lossless raster image format.