Using photos from your iPhoto library in other applications is fairly straightforward. Just drag them from the iPhoto window onto the app, into a document window or onto the Desktop.
What you'll get is a copy of the file in its original format – unless, that is, it's a raw file, in which case iPhoto will produce a JPEG conversion.
To get at the raw file itself, you either need to right-click on its thumbnail and choose Show File to display its location in the Finder (which is a bit of a pain), or choose the Export option from the File menu and select Original from the File Export tab.
There are a number of other flexible file export options here too. Dragging thumbnails from the iPhoto window creates same-sized images with the same filenames, but in this dialog it's possible to specify different sizes, formats and file types.
You could create a folder of images for a web page, for example. Need to send low-res samples to a customer, friend or colleague? This is the place to do it. And if you've used Places to add geotagging details to photos, exporting them via this dialog will embedd the location information in the metadata.
This Export Photos dialog has four tabs, though, and File Export is just the first. Using the others, you can generate web albums and movies from your photos, and while there's some crossover with iPhoto's other web and slideshow tools, they're still worth a look as useful alternatives.
The Web Page export tools are basic, but could be useful if you need to prepare an interactive gallery for anyone to use. The two remaining tabs, QuickTime and Slideshow, both create standalone movie files from sets of photos, but go about it in a different way.
The Slideshow tab works alongside iPhoto's own slideshow features. The QuickTime tab generates a much simpler slideshow in the QuickTime format, dispensing with fancy transitions and effects, and substituting a simple fade between photos.
The Export Photos dialog is useful for exporting batches of photos with custom filenames and settings, but its other export options, particularly the QuickTime export, could prove just as handy. Let's take a look.
How to use the Export Photos dialog
1. Export file format
When you use iPhoto's File Export tab, you can choose the file format, the quality (for JPEGs) and the file size – useful if you want to export pictures for web pages or email. If you want the original photo, you should choose Original from the Kind menu.
2. Export file size
If you need to change the size, choose from iPhoto's Small, Medium or Large settings, but you'll probably find it more useful to specify the dimensions using the Custom setting. This enables you to set the maximum size for width or height – 1,000 pixels, for example.
3. Web Page export
The Web Page tab generates a basic web album, exporting it as a set of HTML files to a disk folder, rather than uploading it to a remote server. Select the size of the thumbnails and the grid layout, and the size of the photos you see when you click on a thumbnail.
4. Exported web pages
For slick-looking web albums, send your photos to iWeb, or MobileMe galleries (if you have an account). The pages produced by this option are very basic. But it is a quick way to produce clickable galleries for your own use or distribution to others.
5. QuickTime export
The QuickTime export option generates a movie where each slide is displayed for a fixed period (the Display image for: box) using a simple 'fade' transition. You can set the size of the QuickTime window/movie using the Width and Height boxes; photos are scaled to fit.
6. QuickTime playback
Doing this is a lot quicker than setting up a custom iPhoto slideshow, both in terms of setup time and how long it takes iPhoto to generate the movie. The movie that's produced can be controlled using simple play/pause and forward wind/rewind buttons.
7. Slideshow export
If you select the Slideshow tab, iPhoto will create a more sophisticated movie based on the last-used Slideshow settings, including any themes, transitions and music. The Custom Export button opens up more options, but they quickly get complicated, so try out the presets.
8. Slideshow movies
The Slideshow option generates an MPEG4 movie rather than a QuickTime file; this will open in iTunes by default, but you can also open it with the QuickTime Player. The results are slick, thanks to iPhoto's slideshow features, but the movies take a while to generate.
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