[OSM-talk] Duplicate nodes incorrectly removed by bot BugBuster ?

Apollinaris Schoell aschoell at gmail.com
Sun Sep 27 20:14:06 BST 2009


yes this a critical point. also tiger import created 2 nodes for
railways/boundary/road/powerline crossing each other. even if the layer tag
is missing they must not merge. instead a layer tag must be added.
a bot can never solve such a problem. only make it worse.


On Sun, Sep 27, 2009 at 11:09 AM, Russ Nelson <nelson at crynwr.com> wrote:

> Ruben Wisniewski writes:
>  > No I'm not only touching this buildings, I tried to fix every doubled
>  > node. It's the same thing a user would do with a josm validator.
>
> What is a "doubled node"?  Any node which has the same lat/lon as
> another node?  The US TIGER import created just one node where
> limited-access highways crossed local roads at a bridge.  Sometimes
> I've separated them by selecting the node, and asking JOSM to create
> another node.  Now, maybe JOSM should move the nodes ever so slightly
> apart from each other, but that's in the nature of an improvement to
> JOSM.
>
> It's definitely NOT correct to take two nodes which are at the same
> location and merge them, particularly if they're part of two different
> ways tagged with different layer= values.
>
> --
> --my blog is at    http://blog.russnelson.com
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