Hi Paul, On 25 October 2012 11:37, Paul Norman <[email protected]> wrote:
> I keep a pgsnapshot database up to date on my home server for a local jxapi > server and also for analysis. > > I have a linestring column built for the ways table, but there's no > geometry > for relations. > > I am wondering what would be involved with getting a geometry column built > for the relations table. > > I expect this would slow down updates, but it would be invaluable to for > analysis. > > I believe Ian Dees mentioned to me something about some work that had been > done on this. > > Is there anything that I could do to help? I have minimal java knowledge > and > some postgis knowledge. > > Osmosis currently has no understanding of how relations relate to physical shapes. In other words, it has no way to examine the tags of a relation and build a polygon or linestring using the members of the relation. It's not something I've investigated myself, so to be honest I have very little understanding of what would be involved. I suspect it would require substantial effort. Hopefully others have a better understanding than I do. Brett
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