PHOTOSHOP LIGHTROOM
User Guide
55
File information is stored using the Extensible Metadata Platform (XMP) standard. XMP is built on XML. In the case
of camera raw files that have a proprietary file format, XMP isn’t written into the original files. To avoid file
corruption, XMP metadata is stored in a separate file called a
sidecar
file. For all other file formats supported by
Lightroom (JPEG, TIFF, PSD, and DNG), XMP metadata is written into the files in the location specified for that
data. XMP facilitates the exchange of metadata between Adobe applications and across publishing workflows. For
example, you can save metadata from one file as a template, and then import the metadata into other files.
Metadata that is stored in other formats, such as EXIF, IPTC (IIM), and TIFF, is synchronized and described with
XMP so that it can be more easily viewed and managed.
See also
“Synchronize metadata with Adobe Camera Raw and Bridge” on page 94
“Working with keywords” on page 59
Specify where to write metadata changes
Lightroom lets you specify where to write adjustments and settings metadata. The information can be written to
XMP or to the catalog. Keep in mind that changes made in Lightroom are not automatically recognized by other
applications, when metadata is written to the catalog.
1
Choose File > Catalog Settings.
2
Click the Metadata tab, and then do either of the following:
•
To write adjustments and settings metadata to XMP, select Automatically Write Changes Into XMP.
•
To write adjustments and settings metadata to the catalog, deselect Automatically Write Changes Into XMP.
If you don’t write adjustments and settings metadata to XMP automatically, you can select a file and choose Metadata
> Save Metadata To File.
Save metadata changes to the file manually
•
Select one or more photos and choose Metadata > Save Metadata To File.
•
In Grid view, click the down arrow icon
in a thumbnail image to save (update) the metadata in the file.
Note:
The Save Metadata To File command does not update metadata in a DNG file. To update a DNG file, choose
Metadata > Update DNG Preview & Metadata.
View photo metadata
In the Library module, the Metadata panel displays the filename, file path, rating, text label, and EXIF and IPTC
metadata of selected photos. Use the pop-up menu to choose a set of metadata fields. Lightroom has premade sets
that display different combinations of metadata.
❖
With photos selected in the Grid view or the Filmstrip, or with photos in Loupe Compare, or Survey view, choose
any of the following from the pop-up menu at the top of the Metadata panel:
Default
Shows the filename, copy name, folder, rating, text label, and a subset of IPTC and EXIF metadata.
All
Shows the filename, copy name, file path, rating, text label, and all EXIF and IPTC metadata.
EXIF
Shows the filename, file path, and EXIF metadata.
IPTC
Shows the filename and all IPTC metadata.
Large Caption
Shows a large caption edit box and the copyright box.
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