Well the information is kept in the OSM history (even if the ways are
deleted?)
Someone could do a render with 2007 roads in red, 2008 roads in orange, 2009
roads in yellow... etc.
I'm sure such tiles could be generated and used for flickr. On the main OSM
website it might be more hard to do however. (need a localised rule that
uses old data and colours it as such).

2009/1/7 Douglas Furlong <douglas.furl...@gmail.com>

> 2009/1/7 Mikel Maron <mikel_ma...@yahoo.com>
>
>>
>> > > What exactly are you referring to? All I can see there is Black Rock
>> > > City, aka the site of Burning Man.
>> >
>> > My first impression when clicking the link in Jonathan's mail was that
>> > somebody was making a map for their computer game using JOSM and
>> > accidentally uploaded it, heh.
>>
>> Excellent. Not too far from the truth. Except you have to drive 8 hours to
>> get to the game, it lasts a week, and everyone wins.
>>
>> Black Rock City is temporary, one week per year. Each year the city moves
>> to minimize impact on the desert. Next year we'll make a new map.
>>
>> It does raise the question of how to preserve web mapping history. Burning
>> Man is an extreme example of a dynamic world in flux. Burning Man Flickr
>> photos from 2008 only make sense against the 2008 map.
>>
>
> If you  move every year, then a simple solution would be to Map it with the
> year in which it was done.
>
> It would be nice if some thing as significant as this was maintained in
> Open Street Map.
>
> But that's just me.
>
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>


-- 
Gregory
nomoregra...@gmail.com
http://www.livingwithdragons.com
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