[OSM-newbies] Nodes v. Ways when adding amenities

[Mike Thompson]

> Maybe it'd be better to add  these unknown shapes as circles?  Then it
would be obvious that this is a just a big node with some relative size
information?

A circle would imply a circular building.  If the building isn't circular,
I don't think it should be represented in the data that way.


On Thu, May 9, 2013 at 6:00 AM, Tac Tacelosky <tacman at gmail.com> wrote:

> Better no outline than an inaccurate one.   Hmm.  How about if there were
> a tag to indicate that the outline is an estimate and needs further review?
>
>
> I recently added a new grocery store that opened in my neighborhood:
>
> http://www.openstreetmap.org/browse/node/807746578
>
> It's a mid-sized store, and takes up most of the building on that corner,
> it replaced the Safeway that used to be there, which is reflected in that
> building's history:
>
> http://www.openstreetmap.org/browse/way/66834804
>
> I'd like to associate the new market with the building.  Should I simply
> name the building and add the tag shop=supermarket?
>
> Even with great aerial photography, it's often difficult to determine
> where one store ends.  DC is fortunate to have the footprints of many of
> our buildings in OSM because the data was made available.  But I'm working
> on a section in New Jersey now where there is no data beyond the TIGER
> import.  I have geocoded photos (that I took) of a few dozen shops, and I'd
> like add them to OSM, but it feels like adding them as a bunch of points
> (nodes) will be worse than looking at the size of the storefront and
> drawing a series of little boxes that reflect the relative sizes.   I don't
> have building information at all, so I don't know the address.
>
> Maybe it'd be better to add  these unknown shapes as circles?  Then it
> would be obvious that this is a just a big node with some relative size
> information?
>
> Thanks for the suggestions.
>
> Tac
>
> Tac
>
>
>
> On Thu, May 9, 2013 at 7:22 AM, Dave F. <davefox at madasafish.com> wrote:
>
>> On 09/05/2013 11:42, Tac Tacelosky wrote:
>>
>>> I'm about to add a few shops in a shopping center.  Is it better to add
>>> them as ways so that the renderer has some idea about the footprint and
>>> relative size?  Or as nodes, which seems to be the more common approach?
>>>
>>> The tiny nail salon is right next to a large supermarket, and the gas
>>> station on the corner is in between those two as far as size, while I can't
>>> do an exact outline, I can draw a box to indicate relative sizes.
>>>
>>> Are both approaches correct, or is one way better?
>>>
>>
>> Both are correct. It depends on you really; whether you have the time or
>> patience to draw a full outline or simply add a node. Many areas now have
>> fairly accurate aerial imagery that can be traced. As renderers are
>> allowing greater zoom levels I've been upgrading POI's to polygon areas. A
>> problem you may run into however is multi-storey shopping centres. There's
>> never been a satisfactory way to map/render these as area & you may want to
>> keep them as POI's.
>>
>> Dave F.
>>
>
>
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