On 22/09/2010 13:36, Andrew Harvey wrote:
On Wed, Sep 22, 2010 at 9:31 PM, Pierre-Alain Dorange<[email protected]> wrote:
With JOSM you can achieve that by drawing a way by clicking on the node
one by one. It will draw a new way using the same nodes.
That is okay for a couple nodes, but is error prone and tedious for
hundreds of nodes (like if you are matching an outline of a beach to
the existing coastline nodes).
on JOSM :
copy the way (ctr + C),
create a new layer (ctrl + N) and don't clic in it,
paste the way (ctrl + V) (the nodes are at the same place),
put the tags,
merge the layers,
merge the duplicated nodes (validator plugin),
done !
There are several "school" for such situation (ie. boundary+river) :
* some tell to redraw completly all things (node + ways) so that it can
be later into several layers (if OSM handle layer someday).
* some split boundary and add tags (reuse nodes and ways)
* some redraw way using the same nodes
All have advantage and disadvantage : numbers of nodes, creating dupe
nodes (QA warnings), maintenance difficulty...
So this is an ongoing issue with no real concensus or agreement?
yes. I use the 3d way (drawing 2 ways sharing nodes). I prefer this
method for the reason given : if the bank/flow changes, the border may not.
But it is a mapping style...
--
FrViPofm
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