[OSM-talk] Woods vs Forests

Dave F davefoxfac63 at btinternet.com
Sat Oct 28 11:06:19 UTC 2017


On 27/10/2017 13:00, Tomas Straupis wrote:
>>>     Fine. Let's say in higher level there is only one "forest". Then my
>>> topic moves one layer down and stays exactly the same otherwise.
>>>     What I'm talking is about virtual hierarchy.
>>>     OSM tagging comes AFTER that.
>> As I map & tag what I see in reality; could you expand on what you mean by
>> "virtual hierarchy"?
>    When you create a map (not a GIS database), you start with hierarchy
> of objects which you're going to display. After that you specify what
> exactly each of those items in the hierarchy is in your datasets.

You've put the cart before the carthorse.

Entities are mapped & tagged into a database. Individual renderers 
*then* decide which objects to include & how they appear.

I believe your points are irrelevant to unifying the key tag used to 
describe groups of trees.

DaveF

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