[OSM-talk] Historical Data in OSM database

[Michal Migurski]

On Nov 8, 2010, at 6:53 PM, John Smith wrote:

> On 9 November 2010 12:44, Laurence Penney <lorp at lorp.org> wrote:
>> Using start_date and end_date tags on two way IDs (one for the Palace in its first position, another for its second) might be a reasonable way to map the Crystal Palace.
> 
> One way to handle this would be to update the API to default to only
> return current objects, rather than the current situation of returning
> everything. The API could then be "asked" for objects valid for a set
> time period, the start/end dates would need to be part of the main
> object to make the lookup efficient though.

Would this apply to the planet, as well?

I think this kind of historical mapping is a fantastic idea, but I'm also biased in favor of the present and future. I'd prefer to keep errant crystal palaces from materializing in modern renders.

-mike.

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michal migurski- mike at stamen.com
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