[postgis-users] Point cloud load

[Ed Linde]

ok so it sounds like they haven't yet figured a good way of doing this? At
least that is
what I get from the blog.

On Fri, Mar 9, 2012 at 8:51 AM, Nicklas Avén <nicklas.aven at jordogskog.no>wrote:

>
> Sorry, I forgot the link:
> http://opengeo.org/technology/postgis/coredevelopment/pointclouds/
>
> On Fri, 2012-03-09 at 08:46 +0100, Nicklas Avén 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
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