You're right, the online documentation does not really explain this
explicitly.
When you examine the example response given at
http://code.google.com/apis/picasaweb/docs/2.0/developers_guide_protocol.html#ListPhotos
you'll notice that each entry contained in an album feed also has a number
of <link> elements. One of them is the "self" link to the entry.
e.g.:
<link rel='self' type='application/atom+xml'
href='http://picasaweb.google.com/data/entry/api/user/liz/albumid/albumID/photoid/photoID'
/>
This gives you the clue how to query individual photo entries. The long
version is the URL:
http://picasaweb.google.com/data/entry/api/user/liz/albumid/albumID/photoid/photoID
The short version, since photo id's are unique per user:
http://picasaweb.google.com/data/entry/api/user/liz/photoid/photoID
In general, with ".../feed/user/..." you are requesting a collection, and
with ".../entry/user/..." you are requesting a specific element/entry from a
collection.
On Tue, Oct 5, 2010 at 4:40 PM, perikut <pero...@gmail.com> wrote:
> hi,
> i have read how to get a list of photos of an album via GET requests,
> but what if I want to get a specific photo (if I know the identifier)?
>
> thanks in advance,
> Pere
>
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