Operation Manual

Full Screen view A workspace view in Aperture with minimal user interface, used to view
full-screen images with the least amount of light and color interference. See also Browser
layout, filmstrip, HUD, Split View layout, Viewer layout.
Full Screen view toolbar A collection of buttons and tools, grouped by function, located
at the top of the screen in Full Screen view. See also toolbar.
gamma A curve that describes how the middle tones of an image appear. Gamma is a
nonlinear function often confused with brightness or contrast. Changing the value of the
gamma affects middle tones while leaving the whites and blacks of the image unaltered.
Gamma adjustment is often used to compensate for differences between Mac and
Windows video cards and displays. The Mac Standard gamma is 1.8; the PC Standard is
2.2.
gamut The range of colors an individual color device is capable of reproducing. Each
device capable of reproducing color has a unique gamut determined by age, frequency
of use, and other elements such as inks and paper. See also device characterization, device
dependent, gamut mapping, ICC profile.
gamut mapping The process of identifying colors outside a device’s gamut and then
calculating the nearest color within its gamut. Gamut mapping is used when receiving
color information from another color space. See also color space, gamut.
Global Positioning System (GPS) A U.S. space-based navigation system that provides
reliable positioning, navigation, and timing services for civilian users on a continuous,
worldwide basis. Aperture uses image location information provided by GPS-enabled
cameras to plot where each image was shot on a map in Places view. See also GPS track
log, Places view.
GPS track log A file consisting of digital bread crumbs that are used to define a path or
route (“track”) using precise coordinates saved by a GPS device or GPS tracking iPhone
application. If you have a GPS-enabled camera or iPhone or another GPS device that you
use to create track files and save waypoints, you can import the track files into Aperture
and work with them in Places view. See also Global Positioning System (GPS), Places view,
waypoint.
grayscale Describes an image whose only colors are shades of gray. Usually grayscale
images have smaller file sizes because less information is required to display a gray pixel,
in which the red, green, and blue pixel elements all emit an equal intensity. See also Black
& White adjustment, monochrome, pixel.
grid view A Browser view that displays images as a grid of thumbnails. Grid view is the
Browser’s default view. See also Browser, filmstrip view, list view.
889Glossary