[OSM-dev] Implied Tags

[Christian Vetter]

Hi,


On Tue, Apr 12, 2011 at 8:45 PM, Frederik Ramm <frederik at remote.org> wrote:
> I think you are assuming a consistency that doesn't exist. There are no
> "implied tags" in OSM; there are certain tags that, in certain countries and
> according to a reasonably big group of mappers, imply something else but
> this is far from a hard rule that could be baked into a "parseable data
> file".

And the implied tags noted in the wiki pages?

> You are assuming that "implied tags" are a widely known and used concept and
> that there are certain logical rules for that. There aren't, to my
> knowledge.

So what would be your advice? Just ignore implied tags? They seem to
be used in many cases ( e.g. barrier vs barrier=bollard ) and I want
to avoid "fuzzy" parsing.

Regards,

Christian Vetter