Hi, I actually haven't got the point cloud data as yet... but my guess is that it would be double precision. And where are the "thoughts on the topic"? I didn't get any :)
Cheers, Ed On Fri, Mar 9, 2012 at 8:46 AM, Nicklas Avén <nicklas.a...@jordogskog.no>wrote: > Hallo > > What is the precision of your points? > > Are they integer or double precision? > > If it is just integer I think PostGIS might give you quite a big > overhead. > > Here is some thoughts (from Paul I guess?) on the topic. > > /Nicklas > > > On Fri, 2012-03-09 at 08:19 +0100, Ed Linde wrote: > > Hi All, > > I have this really massive 3D point cloud dataset (few TBs) that I > > would like to compute an intersection with OSM geometry. The problem > > now is that if its worth loading all of > > this data into postgres/postgis and then indexing it? How long would > > it take? Or am I better of thinking of writing some C/C++ code that > > can compute some sort of a GRID on top of these cells and > > then possibly use GDAL libraries to compute an intersection? Problem > > being that I don't know what projection the point cloud is in and if I > > need to re-project etc... and postgis would > > have been ideal for it. What do you guys recommend I do? > > > > > > Cheers, > > Manu > > _______________________________________________ > > postgis-users mailing list > > postgis-users@postgis.refractions.net > > http://postgis.refractions.net/mailman/listinfo/postgis-users > > > _______________________________________________ > postgis-users mailing list > postgis-users@postgis.refractions.net > http://postgis.refractions.net/mailman/listinfo/postgis-users >
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