[Tagging] Survey points

Warin 61sundowner at gmail.com
Wed Mar 11 22:26:39 UTC 2015

On 12/03/2015 1:43 AM, moltonel 3x Combo wrote:
> Here is a fine example of this case : http://www.openstreetmap.org/way/236843122
> The description tag explains that the reference point is the base of
> the christian cross on this bell tower. I think it makes sense of
> mapping this this way : in a sense the whole building *is* the
> man_made=survey_point. Adding a separate survey_point node would have
> little benefit.
> There are other examples like this one, but not all of them have a
> neat description of where the precise survey point is on the
> structure.
> On the other hand, some ways look a bit pointless and could probably
> be nodes, but a survey is needed to be sure:

True 'survey points' are documented with their precise location, date of 
location and description. So looking at that data would clarify the 
situation and not require a visit.
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