[postgis-users] Old question resurfacing
Frank Henze
henze at tu-cottbus.de
Wed Dec 18 00:30:09 PST 2013
Hi,
thanks for this very interesting approach!
We need LOD not only for point clouds, but also for large 3D models
(e.g. 3D city models / CityGML). Is there a solution for PostGIS?
Interesting approaches for visualization of large 3D can also find on
X3DOM (see homepage and search on Youtube).
Frank
Am 18.12.2013 09:01, schrieb Rémi Cura:
> Hey,
> I contacted the developper of XB PointStream specifically to ask him how
> to plug it to a postgres DB.
> It is no more an active project and he advised against it.
>
> At the other hand, with a much better licence (FreeBSD), active dev, and
> build in level Of Detail (LOD) feature (scene graph):
> http://potree.org/
>
> I asked the same question and it would be possible to plug it to db.
> We only need to develop a LOD inside DB to to make it possible to use it
> with huge database (I'm talking about 10's of billions at least in base,
> and several millions in cache/browser). ( Here my gothub project doc,
> the project is not clean enough to be used by others, but the slides
> contains some images
> :https://github.com/Remi-C/LOD_ordering_for_patches_of_points/tree/master/doc )
>
> Current WebGL limit with most graphic card seems to be around 10^6
> points, it is very small, hence the obligation to have LOD support to
> have maybe 10 * 10^6 points in cache in LOD structure in browser, and
> display only 10^6 points, but cleverly :
> more points close to viewer camera and in front of it, few points when
> far from viewer camera, zero point behind camera.
> These are very old and effective computer graphics tricks.
>
> Cheers,
> Rémi-C
>
>
>
>
>
> 2013/12/17 Basques, Bob (CI-StPaul) <bob.basques at ci.stpaul.mn.us
> <mailto:bob.basques at ci.stpaul.mn.us>>
>
> Hi Frank,
>
> I've been watching this approach develop over the past few year.
> Some intereing approaches to using the point based methods of
> display that I've zeroed in on use feature that they describe as
> Surfels and/or Splats. Just Google those two key words and you'll
> see what I'm talking about.
>
> http://graphics.ucsd.edu/~matthias/Papers/Surfels.pdf
>
> One drawback to these approaches is that they are sort of a closed
> system in that they concentrate on only displaying the point based
> features. In the end, as a real world tool, I'll need to
> incorporate into this type of visualizers, I means of mixing feature
> types. Surface tins, CAD models, and Points. Having the points
> reside in a DB will both help with the integration as well as allow
> some processing of things to be accomplished on the fly in this
> mixed feature viewer.
>
> Bobb
>
>
>
>
> -----Original Message-----
> From: postgis-users-bounces at lists.osgeo.org
> <mailto:postgis-users-bounces at lists.osgeo.org>
> [mailto:postgis-users-bounces at lists.osgeo.org
> <mailto:postgis-users-bounces at lists.osgeo.org>] On Behalf Of Frank Henze
> Sent: Sunday, December 15, 2013 2:10 PM
> To: PostGIS Users Discussion
> Subject: Re: [postgis-users] Old question resurfacing
>
> I dont know, at which point the downsampling should take place.
> An interesting solution for webbased visualization could be XB Point
> Stream:
> http://zenit.senecac.on.ca/wiki/index.php/XB_PointStream
>
> Frank
>
> Am 15.12.2013 00:45, schrieb Rémi Cura:
> > I guess everybody has reached the same conclusion :
> > using pointcloud is is possible to manage 100's of billions of points
> > and retrieve quickly those of interest.
> >
> > Now most of the usage requiere severe downsampling, which isn't a
> part
> > of anything yet but may come (I'm working on adding this to
> pointcloud).
> > .
> >
> > Cheers,
> >
> > Rémi-C
> >
> >
> > 2013/12/12 Basques, Bob (CI-StPaul) <bob.basques at ci.stpaul.mn.us
> <mailto:bob.basques at ci.stpaul.mn.us>
> > <mailto:bob.basques at ci.stpaul.mn.us
> <mailto:bob.basques at ci.stpaul.mn.us>>>
> >
> > Frank,
> >
> > I don't know about a group, or for that matter centering it
> on just
> > PostGIS, but I see 3D as the next big Mapping product line that
> > people are going to be looking for. PostGIS is a piece in a
> bigger
> > puzzle. I've been researching different methods for storing and
> > segmenting the point cloud data on the server side for a
> while now
> > and PostGIS has percolated up to near the top of the list.
> >
> > There is a big piece related in how to generalize data for 3D
> > scaling in the browser, that's the biggest shortcoming I've
> become
> > aware of in order to make something run nicely in the
> browser, I've
> > also of late been forcing myself to think mobile, which has
> it's own
> > set of criteria as far as the browser goes.
> >
> > I would likely join the list of something call PostGIS 3d, but I
> > don't know that there is enough interest for a whole community
> > (yet), maybe it's better to stay ahead of the curve though.
> >
> >
> > Bobb
> >
> >
> >
> > -----Original Message-----
> > From: postgis-users-bounces at lists.osgeo.org
> <mailto:postgis-users-bounces at lists.osgeo.org>
> > <mailto:postgis-users-bounces at lists.osgeo.org
> <mailto:postgis-users-bounces at lists.osgeo.org>>
> > [mailto:postgis-users-bounces at lists.osgeo.org
> <mailto:postgis-users-bounces at lists.osgeo.org>
> > <mailto:postgis-users-bounces at lists.osgeo.org
> <mailto:postgis-users-bounces at lists.osgeo.org>>] On Behalf Of Frank
> Henze
> > Sent: Thursday, December 12, 2013 1:17 PM
> > To: PostGIS Users Discussion
> > Subject: Re: [postgis-users] Old question resurfacing
> >
> > Hi all,
> >
> > briefly a few details to
> http://www2.htw-dresden.de/~s68071/3DWebGIS/:
> >
> > - Projektauswahl: Baalbek and Palatin are static X3D
> models (no
> > PostGIS)
> > - Projektauswahl: W3DS is dynamically generated from a
> PostGIS 2.0 DB
> > via a "GetScene"-request by Geoserver
> >
> > I think Baalbek is too large (too many triangles) and therefore
> > possibly leads to crash. Palatin and W3DS should work.
> >
> > The 3D window is a standard WebGL window based on X3DOM. So it
> > should run right stable.
> >
> > Once again my question:
> > Is there an interest in a PostGIS 3D group?
> >
> > Frank
> >
> > Am 12.12.2013 16:55, schrieb Basques, Bob (CI-StPaul):
> > > Frank,
> > >
> > > Very nice. It froze up for me pretty quickly, I tried both FF
> > and Chrome. Still looked good while it ran.
> > >
> > > This stability aspect is a big piece of being able to make
> > something that folks will want to use. Data segregation will
> be a
> > big piece moving forward I think.
> > >
> > > Bobb
> > >
> > >
> > >
> > > -----Original Message-----
> > > From: postgis-users-bounces at lists.osgeo.org
> <mailto:postgis-users-bounces at lists.osgeo.org>
> > <mailto:postgis-users-bounces at lists.osgeo.org
> <mailto:postgis-users-bounces at lists.osgeo.org>>
> > > [mailto:postgis-users-bounces at lists.osgeo.org
> <mailto:postgis-users-bounces at lists.osgeo.org>
> > <mailto:postgis-users-bounces at lists.osgeo.org
> <mailto:postgis-users-bounces at lists.osgeo.org>>] On Behalf Of Frank
> > > Henze
> > > Sent: Thursday, December 12, 2013 6:04 AM
> > > To: PostGIS Users Discussion
> > > Subject: Re: [postgis-users] Old question resurfacing
> > >
> > > Hi Bobb,
> > > hi all,
> > >
> > > https://hub.sharedgeo.org/apps/x3d/ looks great!
> > >
> > > We have similar requirements for a 3d WebGIS.
> > > A first prototype you can find at:
> > >
> > > http://www2.htw-dresden.de/~s68071/3DWebGIS/
> > >
> > > For "Projektauswahl:" select "W3DS"
> > >
> > > and then select "Historische Gebäude" (Historical Buildings)
> > >
> > > If there is nothing to see, then press on the left side "Alles
> > anzeigen"
> > >
> > > We use the community buildt Geoserver incl. Web 3D service +
> > X3DOM + JS.
> > >
> > > Some of our problems:
> > >
> > > How to import 3D geometries into PostGIS?
> > > Which formats and interfaces (CAD, X3D)?
> > > Point clouds in PostGIS (also import of).
> > >
> > > Is there a 3D PostGIS interest-group?
> > > If not, should one established?
> > >
> > > Frank
> > >
> > > Am 11.12.2013 17:44, schrieb Basques, Bob (CI-StPaul):
> > >> All,
> > >>
> > >> Nothing that far along. Did a couple of proofs of
> concept so far,
> > >> I've done a couple of presentations on the Visualizer
> approach. We
> > >> tried a couple of different things, x3Dom, allover'js
> > >>
> > >> You can see some of them here ( some of the pages take a
> while to
> > >> load the data in the background, be patient):
> > >>
> > >> https://hub.sharedgeo.org/apps/x3d/ (these will
> generally need a
> > >> webGL enabled browser)
> > >>
> > >> These are purely intended as a test of just how much data
> could
> > >> easily be squished into the browser before if blows, so you
> > might experience
> > >> some failures. Ideally the data coming into these would be
> > segmented
> > >> via a SQL call to PostGIS Pointcloud sources.
> > >>
> > >> The last two in the list are using some point clouds cut
> from our
> > >> recent data collect at 8pt per sq meter for the City (6
> billion
> > >> points in all), these are using about 300k points each
> for example.
> > >>
> > >> Bobb
> > >>
> > >> *From:*postgis-users-bounces at lists.osgeo.org
> <mailto:postgis-users-bounces at lists.osgeo.org>
> > <mailto:postgis-users-bounces at lists.osgeo.org
> <mailto:postgis-users-bounces at lists.osgeo.org>>
> > >> [mailto:postgis-users-bounces at lists.osgeo.org
> <mailto:postgis-users-bounces at lists.osgeo.org>
> > <mailto:postgis-users-bounces at lists.osgeo.org
> <mailto:postgis-users-bounces at lists.osgeo.org>>] *On Behalf Of *Rémi
> > >> Cura
> > >> *Sent:* Wednesday, December 11, 2013 10:08 AM
> > >> *To:* PostGIS Users Discussion
> > >> *Subject:* Re: [postgis-users] Old question resurfacing
> > >>
> > >> I would be very interested to know any attempt to
> visualize 3D point
> > >> cloud from data base !
> > >>
> > >> We did the same but our solution is far from perfect.
> > >>
> > >> Bob, is you rporject public/open source, have you any
> paper/doc
> > about it ?
> > >>
> > >> Cheers,
> > >>
> > >> Rémi-C
> > >>
> > >> 2013/12/11 Basques, Bob (CI-StPaul)
> <bob.basques at ci.stpaul.mn.us <mailto:bob.basques at ci.stpaul.mn.us>
> > <mailto:bob.basques at ci.stpaul.mn.us
> <mailto:bob.basques at ci.stpaul.mn.us>>
> > >> <mailto:bob.basques at ci.stpaul.mn.us
> <mailto:bob.basques at ci.stpaul.mn.us>
> > <mailto:bob.basques at ci.stpaul.mn.us
> <mailto:bob.basques at ci.stpaul.mn.us>>>>
> > >>
> > >> Hmm,
> > >>
> > >> I'm working with the Minneapolis International Airport
> (MSP) on a
> > >> project, any chance that data is open/accessible enough
> to play
> > with?
> > >> This could tie directly into a project I'm already
> working on.
> > >>
> > >> Thanks
> > >>
> > >> Bobb
> > >>
> > >> *From:*postgis-users-bounces at lists.osgeo.org
> <mailto:postgis-users-bounces at lists.osgeo.org>
> > <mailto:postgis-users-bounces at lists.osgeo.org
> <mailto:postgis-users-bounces at lists.osgeo.org>>
> > >> <mailto:postgis-users-bounces at lists.osgeo.org
> <mailto:postgis-users-bounces at lists.osgeo.org>
> > <mailto:postgis-users-bounces at lists.osgeo.org
> <mailto:postgis-users-bounces at lists.osgeo.org>>>
> > >> [mailto:postgis-users-bounces at lists.osgeo.org
> <mailto:postgis-users-bounces at lists.osgeo.org>
> > <mailto:postgis-users-bounces at lists.osgeo.org
> <mailto:postgis-users-bounces at lists.osgeo.org>>
> > >> <mailto:postgis-users-bounces at lists.osgeo.org
> <mailto:postgis-users-bounces at lists.osgeo.org>
> > <mailto:postgis-users-bounces at lists.osgeo.org
> <mailto:postgis-users-bounces at lists.osgeo.org>>>] *On Behalf Of *Gerry
> > >> Creager - NOAA Affiliate
> > >> *Sent:* Tuesday, December 10, 2013 2:14 PM
> > >>
> > >>
> > >> *To:* PostGIS Users Discussion
> > >> *Subject:* Re: [postgis-users] Old question resurfacing
> > >>
> > >> Bob, all:
> > >>
> > >> I agree. I'll have to spend some time with pointcloud but
> it DOES
> > >> look very promising.
> > >>
> > >> Another application? Lidar. Pointed at the sky, not at the
> > ground (we
> > >> use 'em to determine cloud layers [ceiling] and sky cover at
> > airports
> > >> for aviation data...).
> > >>
> > >> Thanks, all!
> > >>
> > >> gerry
> > >>
> > >> On Tue, Dec 10, 2013 at 1:49 PM, Basques, Bob (CI-StPaul)
> > >> <bob.basques at ci.stpaul.mn.us
> <mailto:bob.basques at ci.stpaul.mn.us>
> > <mailto:bob.basques at ci.stpaul.mn.us
> <mailto:bob.basques at ci.stpaul.mn.us>>
> > <mailto:bob.basques at ci.stpaul.mn.us
> <mailto:bob.basques at ci.stpaul.mn.us>
> > <mailto:bob.basques at ci.stpaul.mn.us
> <mailto:bob.basques at ci.stpaul.mn.us>>>> wrote:
> > >>
> > >> Gerry,
> > >>
> > >> Remi's idea about using a point cloud may be spot on for
> your use.
> > >> It allows you to set a point cloud down to a revolution
> if need be,
> > >> which seems like what you are looking for.. If the data
> becomes too
> > >> massive for insertion into DB at real-time speeds, then
> you could
> > >> also separate this revolution into separate DB's as well,
> you could
> > >> separate a whole number of ways, by elevation, or
> quadrant, or . . .
> > >>
> > >> I'm very interested in visualization possibilities with
> something
> > >> like this being available in a database. We're doing some
> > similar db
> > >> 3d visualization stuff on some rather dense point clouds.
> Your data
> > >> once available could use the same visualizer.
> > >>
> > >> Bobb
> > >>
> > >> *From:*postgis-users-bounces at lists.osgeo.org
> <mailto:postgis-users-bounces at lists.osgeo.org>
> > <mailto:postgis-users-bounces at lists.osgeo.org
> <mailto:postgis-users-bounces at lists.osgeo.org>>
> > >> <mailto:postgis-users-bounces at lists.osgeo.org
> <mailto:postgis-users-bounces at lists.osgeo.org>
> > <mailto:postgis-users-bounces at lists.osgeo.org
> <mailto:postgis-users-bounces at lists.osgeo.org>>>
> > >> [mailto:postgis-users-bounces at lists.osgeo.org
> <mailto:postgis-users-bounces at lists.osgeo.org>
> > <mailto:postgis-users-bounces at lists.osgeo.org
> <mailto:postgis-users-bounces at lists.osgeo.org>>
> > >> <mailto:postgis-users-bounces at lists.osgeo.org
> <mailto:postgis-users-bounces at lists.osgeo.org>
> > <mailto:postgis-users-bounces at lists.osgeo.org
> <mailto:postgis-users-bounces at lists.osgeo.org>>>] *On Behalf Of *Gerry
> > >> Creager - NOAA Affiliate
> > >> *Sent:* Tuesday, December 10, 2013 1:41 PM
> > >> *To:* PostGIS Users Discussion
> > >> *Subject:* Re: [postgis-users] Old question resurfacing
> > >>
> > >> Bob
> > >>
> > >> At least preliminarily, I can post-process, so speed of
> db adds
> > isn't
> > >> too troubling. Maintaining accurate representation of the
> bin-volume
> > >> data is, however, important.
> > >>
> > >> Typical rotation is 1-3 RPM, and a complete volume scan takes
> > ~11 min
> > >> in clear air (where you best see biologicals if so
> inclined) or ~5
> > >> min in one of the storm data collection modes. These are
> for common
> > >> WSR88D, stationary radars. SMARTR's and others we have
> here that are
> > >> mobile present a whole host of other options/data eval
> and speed
> > problems.
> > >>
> > >> Current radar data are nominally considered to have a
> horizontal
> > >> resolution of ~250 m, ignoring distortion or keyholing due to
> > >> range.Typically 16 elevations are scanned, once or or
> twice in storm
> > >> mode and a few less elevations in clear air mode.
> > >>
> > >> Now, the interesting thing that's on the horizon is
> Phased Array
> > Radar.
> > >> When that happens, more data, more resolution, and faster
> updates.
> > >>
> > >> gerry
> > >>
> > >> On Tue, Dec 10, 2013 at 11:05 AM, Basques, Bob (CI-StPaul)
> > >> <bob.basques at ci.stpaul.mn.us
> <mailto:bob.basques at ci.stpaul.mn.us>
> > <mailto:bob.basques at ci.stpaul.mn.us
> <mailto:bob.basques at ci.stpaul.mn.us>>
> > <mailto:bob.basques at ci.stpaul.mn.us
> <mailto:bob.basques at ci.stpaul.mn.us>
> > <mailto:bob.basques at ci.stpaul.mn.us
> <mailto:bob.basques at ci.stpaul.mn.us>>>> wrote:
> > >>
> > >> Gerry,
> > >>
> > >> Seems like the biggest hangup would be in adding the data
> to the DB
> > >> fast enough. How many points, per revolution, and what
> is the
> > >> frequency of a revolution (stationary Radar, correct,
> although as I
> > >> think about it, it could be mobile if needed, just need
> to add
> > in the
> > >> radar location to each record)?
> > >>
> > >> Bobb
> > >>
> > >> *From:*postgis-users-bounces at lists.osgeo.org
> <mailto:postgis-users-bounces at lists.osgeo.org>
> > <mailto:postgis-users-bounces at lists.osgeo.org
> <mailto:postgis-users-bounces at lists.osgeo.org>>
> > >> <mailto:postgis-users-bounces at lists.osgeo.org
> <mailto:postgis-users-bounces at lists.osgeo.org>
> > <mailto:postgis-users-bounces at lists.osgeo.org
> <mailto:postgis-users-bounces at lists.osgeo.org>>>
> > >> [mailto:postgis-users-bounces at lists.osgeo.org
> <mailto:postgis-users-bounces at lists.osgeo.org>
> > <mailto:postgis-users-bounces at lists.osgeo.org
> <mailto:postgis-users-bounces at lists.osgeo.org>>
> > >> <mailto:postgis-users-bounces at lists.osgeo.org
> <mailto:postgis-users-bounces at lists.osgeo.org>
> > <mailto:postgis-users-bounces at lists.osgeo.org
> <mailto:postgis-users-bounces at lists.osgeo.org>>>] *On Behalf Of *Gerry
> > >> Creager - NOAA Affiliate
> > >> *Sent:* Tuesday, December 10, 2013 10:52 AM
> > >> *To:* PostGIS Users Discussion
> > >> *Subject:* [postgis-users] Old question resurfacing
> > >>
> > >> I asked this years ago, and I think Paul was less than
> pleased with
> > >> me (:-), but:
> > >>
> > >> Has anyone, in the ensuing years looked at encoding radar
> data
> > into a
> > >> postGIS database? We've a little idea that might benefit one
> > project,
> > >> and getting the radar data into a good geospatial format
> would be
> > >> beneficial.The data, of coure, would start out as
> > radial-distance and
> > >> intensity from the radar site, although we could
> preprocess it
> > by gridding.
> > >>
> > >> Thanks, Gerry
> > >>
> > >> --
> > >>
> > >> Gerry Creager
> > >>
> > >> NSSL/CIMMS
> > >>
> > >> 405.325.6371 <tel:405.325.6371>
> > >>
> > >> ++++++++++++++++++++++
> > >>
> > >> "Big whorls have little whorls,
> > >>
> > >> That feed on their velocity;
> > >>
> > >> And little whorls have lesser whorls,
> > >>
> > >> And so on to viscosity."
> > >>
> > >> Lewis Fry Richardson (1881-1953)
> > >>
> > >>
> > >> _______________________________________________
> > >> postgis-users mailing list
> > >> postgis-users at lists.osgeo.org
> <mailto:postgis-users at lists.osgeo.org>
> > <mailto:postgis-users at lists.osgeo.org
> <mailto:postgis-users at lists.osgeo.org>>
> > <mailto:postgis-users at lists.osgeo.org
> <mailto:postgis-users at lists.osgeo.org>
> > <mailto:postgis-users at lists.osgeo.org
> <mailto:postgis-users at lists.osgeo.org>>>
> > >> http://lists.osgeo.org/cgi-bin/mailman/listinfo/postgis-users
> > >>
> > >>
> > >>
> > >> --
> > >>
> > >> Gerry Creager
> > >>
> > >> NSSL/CIMMS
> > >>
> > >> 405.325.6371 <tel:405.325.6371>
> > >>
> > >> ++++++++++++++++++++++
> > >>
> > >> "Big whorls have little whorls,
> > >>
> > >> That feed on their velocity;
> > >>
> > >> And little whorls have lesser whorls,
> > >>
> > >> And so on to viscosity."
> > >>
> > >> Lewis Fry Richardson (1881-1953)
> > >>
> > >>
> > >> _______________________________________________
> > >> postgis-users mailing list
> > >> postgis-users at lists.osgeo.org
> <mailto:postgis-users at lists.osgeo.org>
> > <mailto:postgis-users at lists.osgeo.org
> <mailto:postgis-users at lists.osgeo.org>>
> > <mailto:postgis-users at lists.osgeo.org
> <mailto:postgis-users at lists.osgeo.org>
> > <mailto:postgis-users at lists.osgeo.org
> <mailto:postgis-users at lists.osgeo.org>>>
> > >> http://lists.osgeo.org/cgi-bin/mailman/listinfo/postgis-users
> > >>
> > >>
> > >>
> > >> --
> > >>
> > >> Gerry Creager
> > >>
> > >> NSSL/CIMMS
> > >>
> > >> 405.325.6371
> > >>
> > >> ++++++++++++++++++++++
> > >>
> > >> "Big whorls have little whorls,
> > >>
> > >> That feed on their velocity;
> > >>
> > >> And little whorls have lesser whorls,
> > >>
> > >> And so on to viscosity."
> > >>
> > >> Lewis Fry Richardson (1881-1953)
> > >>
> > >>
> > >> _______________________________________________
> > >> postgis-users mailing list
> > >> postgis-users at lists.osgeo.org
> <mailto:postgis-users at lists.osgeo.org>
> > <mailto:postgis-users at lists.osgeo.org
> <mailto:postgis-users at lists.osgeo.org>>
> > <mailto:postgis-users at lists.osgeo.org
> <mailto:postgis-users at lists.osgeo.org>
> > <mailto:postgis-users at lists.osgeo.org
> <mailto:postgis-users at lists.osgeo.org>>>
> > >> http://lists.osgeo.org/cgi-bin/mailman/listinfo/postgis-users
> > >>
> > >>
> > >>
> > >> _______________________________________________
> > >> postgis-users mailing list
> > >> postgis-users at lists.osgeo.org
> <mailto:postgis-users at lists.osgeo.org>
> <mailto:postgis-users at lists.osgeo.org
> <mailto:postgis-users at lists.osgeo.org>>
> > >> http://lists.osgeo.org/cgi-bin/mailman/listinfo/postgis-users
> > >>
> > > _______________________________________________
> > > postgis-users mailing list
> > > postgis-users at lists.osgeo.org
> <mailto:postgis-users at lists.osgeo.org>
> <mailto:postgis-users at lists.osgeo.org
> <mailto:postgis-users at lists.osgeo.org>>
> > > http://lists.osgeo.org/cgi-bin/mailman/listinfo/postgis-users
> > >
> > >
> > > _______________________________________________
> > > postgis-users mailing list
> > > postgis-users at lists.osgeo.org
> <mailto:postgis-users at lists.osgeo.org>
> <mailto:postgis-users at lists.osgeo.org
> <mailto:postgis-users at lists.osgeo.org>>
> > > http://lists.osgeo.org/cgi-bin/mailman/listinfo/postgis-users
> > >
> > _______________________________________________
> > postgis-users mailing list
> > postgis-users at lists.osgeo.org
> <mailto:postgis-users at lists.osgeo.org>
> <mailto:postgis-users at lists.osgeo.org
> <mailto:postgis-users at lists.osgeo.org>>
> > http://lists.osgeo.org/cgi-bin/mailman/listinfo/postgis-users
> >
> >
> > _______________________________________________
> > postgis-users mailing list
> > postgis-users at lists.osgeo.org
> <mailto:postgis-users at lists.osgeo.org>
> <mailto:postgis-users at lists.osgeo.org
> <mailto:postgis-users at lists.osgeo.org>>
> > http://lists.osgeo.org/cgi-bin/mailman/listinfo/postgis-users
> >
> >
> >
> >
> > _______________________________________________
> > postgis-users mailing list
> > postgis-users at lists.osgeo.org <mailto:postgis-users at lists.osgeo.org>
> > http://lists.osgeo.org/cgi-bin/mailman/listinfo/postgis-users
> >
> _______________________________________________
> postgis-users mailing list
> postgis-users at lists.osgeo.org <mailto:postgis-users at lists.osgeo.org>
> http://lists.osgeo.org/cgi-bin/mailman/listinfo/postgis-users
>
>
> _______________________________________________
> postgis-users mailing list
> postgis-users at lists.osgeo.org <mailto:postgis-users at lists.osgeo.org>
> http://lists.osgeo.org/cgi-bin/mailman/listinfo/postgis-users
>
>
>
>
> _______________________________________________
> postgis-users mailing list
> postgis-users at lists.osgeo.org
> http://lists.osgeo.org/cgi-bin/mailman/listinfo/postgis-users
>
More information about the postgis-users
mailing list