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When a user ‘checks out’ a file, only he or she can edit it. The other users who have shared access to the files will only be able to make edit changes after the file has been checked back in. This precautionary file management system means that other users cannot overwrite a file while it is being edited. Version Cue now consists of two elements: the Version Cue Server and Adobe Drive. The Version Cue Server can be installed locally or on a dedicated computer and used to host Version Cue projects. Adobe Drive connects to the Version Cue servers, where the connected server appears as a hard drive in the Finder/Explorer as well as in the Open and Save As dialog boxes.

File compatibility

Photoshop CS3 allowed JPEG and TIFF images to open via Camera Raw, for the first time, as if they were raw files. A number of people had misgivings about this, partly because of the potential confusion it might cause, but also because of the way it was implemented in Photoshop CS3. For example, you had the Photoshop File Handling preferences doing one thing, plus another setting in the Bridge preferences, and there was no simple way to summarize how these should be configured in order to get JPEG or TIFF images to open up via Camera Raw the way you would expect. In fact, even fellow Photoshop experts were just as confused as everyone else as to how to manage the preference settings in these two different locations. To be honest, it was a bit of a mess, but things have been improved somewhat since then.

The ‘Prefer Adobe Camera Raw for Supported Raw Files’ option always launches Adobe Camera Raw as your favored raw processor when opening a proprietary raw file. Some cameras may embed an sRGB profile tag in the EXIF metadata of a JPEG capture file (where the profile used isn't a correct sRGB profile anyway). If you check the ‘Ignore EXIF profile tag’ option, Photoshop ignores this particular part of the metadata and reads from the (correct) embedded profile data instead.

Camera Raw preferences

You can click on the Camera Raw Preferences… button to open the dialog shown in Figure 2.16. At the bottom are the JPEG and TIFF Handling preferences where you have three options with which to decide how JPEG and TIFF images should be opened in Photoshop. These are now fairly easy to understand and predictable in their behavior. If ‘Disable JPEG (or TIFF) support’ is selected this safely takes you back to the way things were before, where all JPEG or TIFF files open in Photoshop directly. If ‘Automatically open all supported JPEGs (or TIFFs)’ is selected, this causes all supported JPEGs (or TIFFs) to always open via Camera Raw. However, if ‘Automatically open JPEGs (or TIFFs) with settings’ is selected, Photoshop only opens JPEG or TIFF images via Camera Raw if they have previously been edited via Camera Raw. When this option is selected you have the option in Bridge to use a double-click to open a JPEG directly into Photoshop, or use to force JPEGs to open via Camera Raw. Note that when you edit a JPEG or TIFF in Camera Raw in this way, the next time you use a double-click to open, the file will now default to opening via Camera Raw.

Figure 2.16 This shows the Camera Raw preferences dialog with the JPEG and TIFF Handling options at the bottom.

So why should you want to open JPEGs (or TIFFs for that matter) in Camera Raw? This is useful if you shoot in JPEG mode and wish to use Camera Raw to process the JPEG masters (as you would a raw capture image) without actually editing the master files. This is because Camera Raw records all the edits as separate instructions. The same argument applies to opening TIFF files via Camera Raw, but the important thing to note here is that Camera Raw can only open flattened TIFFs and cannot open TIFFs that contain saved layers. The main reason why it might be useful to use Camera Raw to open a TIFF image is if you want to process TIFF scan images via Camera Raw to take advantage of things like the capture sharpening controls in the Detail panel section.

Layered files in a DTP layout

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