Main viewer, Midtones, Memory card – Apple Aperture 2 User Manual
Page 658: Lzw compression, Megapixel, Master, Metadata, Mirroring, Macro lens, Meter
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Glossary
LZW compression A lossless data-compression algorithm developed by Abraham
Lempel, Jakob Ziv, and Terry Welch in 1984. LZW compression algorithms are typically
used with JPEG and TIFF graphics files to reduce the file size for archiving and
transmission at a ratio of 2.8:1. See also
macro lens A type of lens used for extreme close-up photography. See also
,
.
Main Viewer For systems with multiple displays, the Main Viewer is used for displaying
the Aperture application. See also
.
managed images Images whose masters are stored in the Aperture library. The
locations of the individual masters are managed by the Aperture database. Managed
image files are always online. See also
.
master The source image file that was copied from either your computer’s file system
or your camera’s memory card. In Aperture, the master is never modified. Anytime a
change is made to the image, that change is applied to the version. See also
megapixel One million pixels. For example, 1,500,000 pixels equals 1.5 megapixels. See
also
memory card The device in the camera where digital images are stored. See also
metadata Data about data; metadata describes how data was collected and formatted.
Databases use metadata to track specific forms of data. Aperture supports both EXIF
and IPTC metadata. See also
.
meter The process of using a light meter to calculate the appropriate exposure. See
also
.
midtones The color values in an image between the highlights and shadows. See also
Highlights & Shadows adjustment
mirroring The process of showing the same image on two or more displays. See also
.
Mirror setting A Secondary Viewer setting that sets Aperture to present the same
image selection on the Main and Secondary Viewer displays. See also
.