Depth of field, Device, Characterization – Apple Aperture 2 User Manual
Page 649: Desaturate, Decompression, Density
Glossary
649
crop The process of printing or distributing only part of the original image. The
general purpose of cropping an image is to create a more effective composition.
Another reason for cropping an image is to make it fit a particular aspect ratio, such as
4 x 6. See also
Crop adjustment An adjustment in Aperture that trims the image for the purpose of
changing the composition or modifying the aspect ratio. The Crop adjustment is used
in conjunction with the Crop tool. See also
,
.
decompression The process of creating a viewable image from a compressed digital
image file. See also
.
definition The clarity of details in an image. See also
.
Definition parameter An Enhance adjustment parameter in Aperture used to adjust
the clarity of details in an image. See also
.
demote In Aperture, the process of moving an image in a stack away from the pick
position. See also
.
densitometer An instrument designed to measure the optical density of photographs.
See also
density The ability of an image to reproduce distinct dark colors. An image with high
definition in the darker colors is referred to as dense. See also
.
depth of field The area of the image that appears in focus from the foreground to the
background. Depth of field is determined by a combination of the opening of the
aperture and the focal length of the lens. See also
.
desaturate To remove color from an image. Complete desaturation results in a
grayscale image. See also
.
Desktop setting A Secondary Viewer setting that turns off the dual-display function.
See also
destination profile The working-space profile that defines the results of a color
conversion from a source profile. See also
.
device characterization The process of creating a unique, custom profile for a device,
such as a display or printer. Characterizing a device involves specialized dedicated
hardware and software to determine the exact gamut of the device. See also