[postgis-users] Point cloud load
nicklas.aven at jordogskog.no
Thu Mar 8 23:51:30 PST 2012
Sorry, I forgot the link:
On Fri, 2012-03-09 at 08:46 +0100, Nicklas Avén wrote:
> 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
> Here is some thoughts (from Paul I guess?) on the topic.
> 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
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