[Tagging] tree rows vs individual trees

Colin Smale colin.smale at xs4all.nl
Sat Feb 9 18:03:10 UTC 2019


On 2019-02-09 15:23, Tom Pfeifer wrote:

> On the natural=tree page I stumbled over the phrase:
> 
> "Tree rows ... This approach can also be combined with individually mapped trees for further details."
> 
> On natural=tree_row I found it was part of the 2010 proposal which said:
> "if individual trees in a tree row are mapped, the tree nodes should be part of the tree row way. Usually, however, it's not necessary to map the individual trees in a tree row."
> 
> In the discussion this was reasoned with:
> "...connecting the trees with a way allows renderers to generalize the tree row into a single entity, rather than showing each tree separately"
> 
> IMHO this violates the one object - one OSM element principle. Either I choose the coarser approach to map a way for the row, or I refine it to individual trees, but should not use the row anymore.
> 
> If a renderer wants to cluster any trees that can be done algorithmically.

In the same way that a highway can be deduced from the constituent
nodes?
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