[Talk-GB] Historic data (was OS Boundaries)

David Dixon david at ddixon.force9.co.uk
Sun Apr 25 15:47:29 BST 2010

On 25/04/2010 07:57, Lester Caine wrote:

> Just because YOU are not using the data does not entitle you to delete it!
> The whole reason *I* am interested in OSM is as a base for documenting my
> genealogical data. Being able to check a location at some point in time is
> important and while many of the attempts to get time data properly tagged have
> not been accepted, simple information like 'constructed=1980' would at least
> allow maps to be rendered to provide a view in a particular year. ONCE that is
> possible, then the related boundary information is also important.
> Just like 'micromapping', historic information may not be of interest to
> everybody, but moving forward, why would you NOT want to maintain data that has
> already been mapped. We just need agreement on how it is maintained - since the
> 'history' of object edits is simply no substitute for mapping historic data.

I fully support having a repository of digitised historic mapping data, 
as it would be very useful for many applications included your 
genealogical one.  However, I'm not convinced that the main 
OpenStreetMap database is the best place for it.  As others have said, 
the database is getting increasingly full with current data and adding 
all significant mapping features through time will only serve as clutter 
to the majority of users/mappers, who just want to, say, get from A to B 
(or map A and B).  Let's get the *current* map up to scratch first! 
This sounds like an ideal candidate for a parallel project?  Just my 
opinion, of course.


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