[OSM-dev] osm2pgsql for 64-bit IDs

[Scott Crosby]

On Sun, Jun 5, 2011 at 8:41 AM, Anthony <osm at inbox.org> wrote:
> On Sun, Jun 5, 2011 at 8:39 AM, Frederik Ramm <frederik at remote.org> wrote:
>> Linestrings with internal geometries are very unlikely to happen, for a
>> number of reasons, one of them being topology.
>
> That's too bad.  More than 90% of node ids are completely useless as
> they refer to only one way.

Out of curiosity, I did a test on this, because I was planning on
exploiting this 'conventional wisdom'. I was hoping that 99% of nodes
occur in one way, but on a 2010-08 planet, 85% of nodes occur in one
way, 12% in 2, and 1% in more than two..

Scott