[OSM-newbies] Is there any tag for say "seeing in"?

[AlfonZ]

I think start_date (accompanied by end_date) might be what you are looking
for.
http://wiki.openstreetmap.org/wiki/Key:start_date
http://wiki.openstreetmap.org/wiki/Key:end_date

AlfonZ

On Fri, Sep 24, 2010 at 10:53 AM, Eric Jarvies <eric at csl.com.mx> wrote:

> I agree.  I have often thought one of the things OSM is really missing is a
> TIMELINE feature, wherein users can slide the timeline to any point in time,
> and see how the map looked at that point in time.  This of course would
> require the type of tagging you mention below, as to not to be confused with
> when the content was entered into OSM, but rather, when the actual park or
> building was started(to be built), and was finished(being built), for
> example.
>
> Eric Jarvies
>
> On Sep 24, 2010, at 2:36 AM, Xan wrote:
>
> > Hi,
> >
> > Is there any tag for say "I saw this thing in this date"? I think it's
> useful for knowing when things are change. I explain: we have tag data for
> tagging the date of construction or date when the things are finished.
> >
> > But suppose we have a park. One user tags all of its parts (in
> 2010-09-24). It's perfect and there is no missing thing. One month after, in
> this park, the Administration adds a playground. Another user adds this
> playground (in 2010-11-24). Could these users see "I-see-in=2010-09-24" and
> "I-see-in=2010-11-24"?
> >
> > This is different from a user tagging this park uncompletely in
> 2010-09-24 and another user completes the tag in 2010-09-25. Because the
> "version" of the park in this case is the same.
> >
> > So, "I-see-in" could provide information about if the things change or
> there are new elements.
> >
> > Regards,
> > Xan.
> >
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> >
>
>
>
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