[microformats-discuss] Re: [Geowanking] geo microformat BOF session at Where 2.0

[Ryan King]

On Jul 7, 2005, at 12:35 PM, Dougal Campbell wrote:
> Ryan King wrote:
>> I don't think we need to divide this effort at this point, for   
>> several reasons:
>> 1. Most people who are interested in one, will be interested in both
>> 2. They have implications for each other.
>> 3. Implementors will want to implement both of them.
>> 4. They're trying to solve the same problem.
>
> I think you're right on all counts (though some implementors will  
> be more interested in one aspect or the other). Depending on your  
> point of view for your particular application of geolocation data,  
> a street address might be considered metadata for lat/lon, or vice  
> versa.
>
> I think the best format is going to allow for both types of  
> addressing, but only require one. Just off the top of my head, a  
> pseudo outline might look something like:
>
>   <location>
>     <geo>
>       <lat />
>       <lon />

There's actually a geo field in hCard, though outside the adr structure.

>     </geo>
>     <address>
>       ...something using hCard, maybe?...

or the adr substructure of hCard

>     </address>
>   </location>
>
> With a requirement that either geo or address (or both) must be  
> present. Implementations that only utilize geo coordinates can  
> simply ignore locations that don't include it (and vice versa). Or,  
> they can do their own geocoding translations.

This seems reasonable.

-ryan