On Thu, 2008-10-16 02:53:46 +1200, Joseph Gentle <[EMAIL PROTECTED]> wrote:
> So how good is postgis? Does anyone know if its performant enough for
> real-time map rendering? Can it do level-of-detail stuff ("fetch all
> data in europe with at least city level significance")?Current versions of gpsdrive (http://www.gpsdrive.de/) and gpsdisplay (http://lug-owl.de/~jbglaw/gpsdisplay.git) will render their maps directly off a PostGIS database. On my laptop, rendering a map in a zoom level useable for in-city driving will take about 400ms, including parsing of the osm.xml file and fetching the data from a (possibly almost-hot) PostgreSQL page cache. Larger maps, covering half of Germany, will need between about 60 and 250 seconds. MfG, JBG -- Jan-Benedict Glaw [EMAIL PROTECTED] +49-172-7608481 Signature of: GDB has a 'break' feature; why doesn't it have 'fix' too? the second :
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