On Sun, 8 Feb 2009, Martijn van Oosterhout wrote:
> I just realised. You have also created a parse_wkt, which opens up the
> path to limited relation processing even in non-slim mode. (It doesn't
> solve the problem completely, since the whole problem is that non-slim
> doesn't store most of the info required, but for certain types of
> relations it might be sufficient.)
Yes, in order to mark tiles as dirty for deleted objects, I select the
object from the database prior to deletion and parse it into a list of
nodes.
I have also cheated to some extent with relations - so that I don't need
to care how osm2pgsql creates PostGIS objects for relations, I just parse
the WKT which is being added to the database. This has the advantage that
the object generation code can be changed without affecting the tile
expiry code, although there will be a minor overhead introduced by parsing
the WKT instead of integrating more directly in the relation processing
code.
- Steve
xmpp:[email protected] sip:[email protected] http://www.nexusuk.org/
Servatis a periculum, servatis a maleficum - Whisper, Evanescence
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