On 06/07/09 10:51, Frankie Roberto wrote:
> The most obvious implementation we could do would be where users visit
> the slippy map without having a location set in their cookie. Currently
> we guess at a location via IP address, but it would be good (and not
> difficult) to use the geolocation API here instead, falling back on the
> existing IP-based method if the API isn't present or if the user
> declines to authorise permission.

The trouble with that is that in all supporting browsers, the first 
thing people will get when visiting OSM is some sort of prompt. Also, I 
can imagine visiting OSM, starting to find where I want on the map, then 
noticing "Oh, it wants to know where I am", clicking "Sure, no problem" 
and being taken _away_ from where I wanted to look.

I think a "Find Me" button is better UI.

> A final scenario is where the user is in motion, and wants the map to
> pan so that it 'follows' their movements.

"Find Me", when clicked, scrolls to the appropriate place and adds a 
marker. It then, under the covers, keeps asking for an updated location 
and moving the marker if necessary, but does not scroll the map unless 
"Find Me" is pressed again.

Gerv


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