[OSM-talk] Removing ways in Potlatch

Eugene Alvin Villar seav80 at gmail.com
Mon Jun 21 11:32:00 BST 2010


On Sun, Jun 20, 2010 at 7:23 PM, Lester Caine <lester at lsces.co.uk> wrote:

> John Smith wrote:
> > On 20 June 2010 17:07, Steve Bennett<stevagewp at gmail.com>  wrote:
> >> On Fri, Jun 18, 2010 at 9:10 AM, Alex S.<maps at swavely.com>  wrote:
> >>> Some would like to see it kept and marked historical, but deleting ways
> >>
> >> Oh? Could you elaborate?
> >
> > Some people would like to be able to map the 4th dimension (time)...
> > So that historical maps could be shown, but the API would have to be
> > updated to be able to do this by specifying start/end dates and by
> > default only return data that is still deemed current...
>
> +10 for that ... main reason I am playing with the mapping is for
> genealogical
> reasons, and it would be nice to see the state of things at a particular
> snapshot in time. Following the development of London for example ....
>
>
One big problem with any 4th dimensional idea is plate tectonics. I'm
willing to bet that if you were to map how London was before the great fire
of 1666, the coordinates of places won't match their current locations in
WGS84 coordinates.
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