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
