[OSM-dev] (Multi)Polygon handling

Paul Norman penorman at mac.com
Fri Jul 13 16:12:34 BST 2012

> From: Jochen Topf [mailto:jochen at remote.org]
> Sent: Friday, July 13, 2012 5:02 AM
> To: Paul Norman
> Cc: 'nimix'; dev at openstreetmap.org
> Subject: Re: [OSM-dev] (Multi)Polygon handling
> On Fri, Jul 13, 2012 at 03:11:40AM -0700, Paul Norman wrote:
> > For a lot of the invalid cases there won't be a defined output yet. To
> > some extent osm2pgsql is a reference but I have no clue what it would
> > do in some of the possible combinations of invalid tagging and invalid
> > geometry
> No problem. Once we do have test cases, we can discuss that here and
> decide that test cases 17 should have result X and test case 23 should
> fail and test case 42 is implementation defined if we can't agree on
> whats supposed to happen.

The result of anything being left as implementation defined is that
implementations will differ and users will complain when the implementation
they're using differs from others.

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