. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 584 16.8.24 Extract Component . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 587 16.8.25 Mono Mixer displayed so that each image pixel conforms to one screen pixel. Channels A Channel is a single component of a pixel’s color. For a colored pixel in GIMP, these com- ponents are usually Red, Green, Blue visualize the selection channel in all its glorious detail by toggling the QuickMask button. A large component of learning how to use GIMP effectively is acquiring the art of making good selections—selections

visualize the selection channel in all its glorious detail by toggling the QuickMask button. A large component of learning how to use GIMP effectively is acquiring the art of making good selections—selections begin to delete the oldest items from the Undo History. Note Even though the Undo History is a component of an image, it is not saved when you save the image using GIMP’s native XCF format, which preserves important actions that do alter an image but cannot be undone: Closing the image The Undo History is a component of the image, so when the image is closed and all of its resources are freed, the Undo History goes

will begin to delete the oldest items from the Undo History. Even though the Undo History is a component of an image, it is not saved when you save the image using GIMP's native XCF format, which preserves contain hundreds of anchor points, or even thousands. A path may contain multiple components. A "component" is a part of a path whose anchor points are all connected to each other by path segments. The in paths allows you to convert them into selections having multiple disconnected parts. Each component of a path can be either open or closed: "closed" means that the last anchor point is connected

advantage of the fact that the human brain cannot easily distinguish small differences in the Hue component of an image (see “Hue” on page 191 for more information). In other words, the fewer colors in your els or points (you can choose which you prefer from the pull-down menu). A pixel is the smallest component in a bitmap image, and all measures in pixels depend on the screen resolution. A point, however working with web publishing, you definitely won’t need it. If you plan to use the scanned images as a component or base for further image manipulating, then you might be satisfied with the result of a good scanner