[OSM-dev] Proposal: Database accelerator and dirty tile marker based on simple algorithm.

[SteveC]

* @ 18/09/06 06:52:57 PM dave at earth.li wrote:
> On Mon, Sep 18, 2006 at 07:14:00PM +0200, Lars Aronsson wrote:
> > What part of GRASS is not applicable to OSM?  Their way of doing 
> > quad trees is not useful for us?  So we have to write our own?
> > Their way of doing quad trees is only useful for proprietary data, 
> > and to create free geodata OSM has to reinvent all the algorithms?
> 
> Their website looks like GRASS is a GUI application. Are you suggesting
> that we cut and paste from their source, or is there a library hidden
> somewhere? Does it talk to mysql and store history and meta data of all
> the points? What language is it in? Their website is dire.
> 
> What happened to Chris Schmitt(was that it?)'s renderer using
> shapefiles? That looked a lot faster than what we have now.

doing planet.osm -> GML -> shapefile is problematic now that planet.osm
is huge, anyone who can do it is welcome to try.

Oh and im not sure if this has been discussed or relevant but the
renderer at least spits out _projected_ tiles.

have fun,

SteveC steve at asklater.com http://www.asklater.com/steve/