Apple MB673Z/A User Manual - Page 658

LZW compression, macro lens, Main Viewer, managed images, master, megapixel, memory card, metadata

Page 658 highlights

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 compression, JPEG, TIFF. macro lens A type of lens used for extreme close-up photography. See also camera, lens, prime lens, telephoto lens, wide-angle lens, zoom lens. Main Viewer For systems with multiple displays, the Main Viewer is used for displaying the Aperture application. See also display, Secondary Viewer. 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 library, master, offline, online, referenced images. 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 memory card, project, version. megapixel One million pixels. For example, 1,500,000 pixels equals 1.5 megapixels. See also digital image sensor, pixel. memory card The device in the camera where digital images are stored. See also camera, capture. 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 EXIF, IPTC. meter The process of using a light meter to calculate the appropriate exposure. See also light meter. midtones The color values in an image between the highlights and shadows. See also contrast, highlights, Highlights & Shadows adjustment, Levels adjustment, shadows. mirroring The process of showing the same image on two or more displays. See also extended desktop mode. Mirror setting A Secondary Viewer setting that sets Aperture to present the same image selection on the Main and Secondary Viewer displays. See also display, image selection, mirroring, Main Viewer, Secondary Viewer. 658 Glossary

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658
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
compression
,
JPEG
,
TIFF
.
macro lens
A type of lens used for extreme close-up photography.
See also
camera
,
lens
,
prime lens
,
telephoto lens
,
wide-angle lens
,
zoom lens
.
Main Viewer
For systems with multiple displays, the Main Viewer is used for displaying
the Aperture application.
See also
display
,
Secondary Viewer
.
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
library
,
master
,
offline
,
online
,
referenced images
.
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
memory
card
,
project
,
version
.
megapixel
One million pixels. For example, 1,500,000 pixels equals 1.5 megapixels.
See
also
digital image sensor
,
pixel
.
memory card
The device in the camera where digital images are stored.
See also
camera
,
capture
.
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
EXIF
,
IPTC
.
meter
The process of using a light meter to calculate the appropriate exposure.
See
also
light meter
.
midtones
The color values in an image between the highlights and shadows.
See also
contrast
,
highlights
,
Highlights & Shadows adjustment
,
Levels adjustment
,
shadows
.
mirroring
The process of showing the same image on two or more displays.
See also
extended desktop mode
.
Mirror setting
A Secondary Viewer setting that sets Aperture to present the same
image selection on the Main and Secondary Viewer displays.
See also
display
,
image
selection
,
mirroring
,
Main Viewer
,
Secondary Viewer
.