Not sure what you mean, but I'll attempt to answer the question anyhow :-).
 
I believe it only uses photos that users have geotagged using Flickr's geotagging system - therefore does not try and derive a location from the text tags.
 
This section of the help suggests that too... http://www.flickr.com/help/organizr/#200
 
J


From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of James Boardwell
Sent: 10 November 2006 16:10
To: backstage@lists.bbc.co.uk
Subject: Re: [backstage] Flickr Photo Map...

is there any pref given to the data?  i.e. geodata / celldata over tags: lodon, greenpark? is it possible to tell? 


On 11/10/06, Jason Cartwright < [EMAIL PROTECTED]> wrote:
I think the pages is a limitation of the technology, and perhaps a
usability 'feature' for showing that there is actually more results than
the map can comfortably show.

When you move around the map, and land in one place the JS fires off a
request to the API method "flickr.photos.search" [1] passing the map
area [2] and asking for 200 results back [3] in order of relevance [4].
I guess they limit the number of results for speed (both backend
database load, and frontend downloading, parsing and displaying the
results) - hence the pages.

J


[1] http://www.flickr.com/services/api/flickr.photos.search.html
[2] argument "bbox", example value
"-0.117405,51.458997,-0.092836,51.469902" - near where I live, crumbs!
[3] argument "per_page", example (default) value "200"
[4] argument "sort", example value "relevance"

________________________________________________
Jason Cartwright
Client Side Developer - CBBC Interactive
[EMAIL PROTECTED]

Desk: (0208 22) 59487
Mobile: 07976500729

"Recreate the world in your own image and make it better for your having
been here" - Ray Bradbury




-----Original Message-----
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED]] On Behalf Of Tom Loosemore
Sent: 10 November 2006 15:12
To: backstage@lists.bbc.co.uk
Subject: [backstage] Flickr Photo Map...

http://www.flickr.com/map/london/

Nice...

Though I don't understand the logic behind the 'pages' approach

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