Operation Manual

To have Aperture automatically update previews in a single project only
1 In the Library inspector, select the projects whose images you want to maintain previews
for.
2 Choose Maintain Previews For Project from the Library Action pop-up menu (with a gear
icon).
A checkmark appears next to the Maintain Previews For Project menu command. Aperture
will now automatically update previews when images are imported into the projects, as
well as when versions are created or adjusted.
Note: Turning on automatic preview maintenance does not generate the previews. It
only tells Aperture what to do the next time an image is imported or a version is created
or adjusted. To generate previews, you can use the shortcut menus described in Controlling
Previews with Shortcut Menus.
Controlling Previews with Shortcut Menus
You can control previews in projects by Control-clicking a project in the Library inspector
and choosing an item from the shortcut menu that appears. In addition, you can control
previews for single images or for a selection of images by Control-clicking images in the
Browser.
In the Library inspector, you can delete all the previews for a project or update all the
previews for a project.
To delete all the JPEG previews for a project
µ
In the Library inspector, Control-click the project whose JPEG previews you want to delete,
then choose Delete Previews from the shortcut menu.
To update all the JPEG previews in a project
µ
In the Library inspector, Control-click the project whose JPEG previews you want to update,
then choose Update Previews from the shortcut menu.
If previews are already up to date and you choose Update Previews, Aperture alerts you
that no work is required. However, you can force the rebuilding of previews.
To force the rebuilding of JPEG previews in a project
µ
In the Library inspector, hold down the Option key while Control-clicking the project
whose JPEG previews you want to force Aperture to update, then choose Generate
Previews from the shortcut menu.
In the Browser, you can select one or more images and either delete or update the JPEG
previews.
To delete JPEG previews for an image selection
1 In the Browser, select an image or group of images whose JPEG previews you want to
delete.
242 Chapter 6 Displaying Images in the Viewer