<div dir="ltr"><div>That's nice-- it's the first one I've seen to focus on visualization of point clouds specifically.<br><br></div>Best,<br>Steve<br></div><div class="gmail_extra"><br><br><div class="gmail_quote">
On Sun, Dec 15, 2013 at 3:10 PM, Frank Henze <span dir="ltr"><<a href="mailto:henze@tu-cottbus.de" target="_blank">henze@tu-cottbus.de</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
I dont know, at which point the downsampling should take place.<br>
An interesting solution for webbased visualization could be XB Point Stream:<br>
<a href="http://zenit.senecac.on.ca/wiki/index.php/XB_PointStream" target="_blank">http://zenit.senecac.on.ca/<u></u>wiki/index.php/XB_PointStream</a><br>
<br>
Frank<br>
<br>
Am 15.12.2013 00:45, schrieb Rémi Cura:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div class="im">
I guess everybody has reached the same conclusion :<br>
using pointcloud is is possible to manage 100's of billions of points<br>
and retrieve quickly those of interest.<br>
<br>
Now most of the usage requiere severe downsampling, which isn't a part<br>
of anything yet but may come (I'm working on adding this to pointcloud).<br>
.<br>
<br>
Cheers,<br>
<br>
Rémi-C<br>
<br>
<br>
2013/12/12 Basques, Bob (CI-StPaul) <<a href="mailto:bob.basques@ci.stpaul.mn.us" target="_blank">bob.basques@ci.stpaul.mn.us</a><br></div>
<mailto:<a href="mailto:bob.basques@ci.stpaul.mn.us" target="_blank">bob.basques@ci.stpaul.<u></u>mn.us</a>>><div class="im"><br>
<br>
Frank,<br>
<br>
I don't know about a group, or for that matter centering it on just<br>
PostGIS, but I see 3D as the next big Mapping product line that<br>
people are going to be looking for. PostGIS is a piece in a bigger<br>
puzzle. I've been researching different methods for storing and<br>
segmenting the point cloud data on the server side for a while now<br>
and PostGIS has percolated up to near the top of the list.<br>
<br>
There is a big piece related in how to generalize data for 3D<br>
scaling in the browser, that's the biggest shortcoming I've become<br>
aware of in order to make something run nicely in the browser, I've<br>
also of late been forcing myself to think mobile, which has it's own<br>
set of criteria as far as the browser goes.<br>
<br>
I would likely join the list of something call PostGIS 3d, but I<br>
don't know that there is enough interest for a whole community<br>
(yet), maybe it's better to stay ahead of the curve though.<br>
<br>
<br>
Bobb<br>
<br>
<br>
<br>
-----Original Message-----<br>
From: <a href="mailto:postgis-users-bounces@lists.osgeo.org" target="_blank">postgis-users-bounces@lists.<u></u>osgeo.org</a><br>
<mailto:<a href="mailto:postgis-users-bounces@lists.osgeo.org" target="_blank">postgis-users-bounces@<u></u>lists.osgeo.org</a>><br></div><div><div class="h5">
[mailto:<a href="mailto:postgis-users-bounces@lists.osgeo.org" target="_blank">postgis-users-bounces@<u></u>lists.osgeo.org</a><br>
<mailto:<a href="mailto:postgis-users-bounces@lists.osgeo.org" target="_blank">postgis-users-bounces@<u></u>lists.osgeo.org</a>>] On Behalf Of Frank Henze<br>
Sent: Thursday, December 12, 2013 1:17 PM<br>
To: PostGIS Users Discussion<br>
Subject: Re: [postgis-users] Old question resurfacing<br>
<br>
Hi all,<br>
<br>
briefly a few details to <a href="http://www2.htw-dresden.de/~s68071/3DWebGIS/" target="_blank">http://www2.htw-dresden.de/~<u></u>s68071/3DWebGIS/</a>:<br>
<br>
- Projektauswahl: Baalbek and Palatin are static X3D models (no<br>
PostGIS)<br>
- Projektauswahl: W3DS is dynamically generated from a PostGIS 2.0 DB<br>
via a "GetScene"-request by Geoserver<br>
<br>
I think Baalbek is too large (too many triangles) and therefore<br>
possibly leads to crash. Palatin and W3DS should work.<br>
<br>
The 3D window is a standard WebGL window based on X3DOM. So it<br>
should run right stable.<br>
<br>
Once again my question:<br>
Is there an interest in a PostGIS 3D group?<br>
<br>
Frank<br>
<br>
Am 12.12.2013 16:55, schrieb Basques, Bob (CI-StPaul):<br>
> Frank,<br>
><br>
> Very nice. It froze up for me pretty quickly, I tried both FF<br>
and Chrome. Still looked good while it ran.<br>
><br>
> This stability aspect is a big piece of being able to make<br>
something that folks will want to use. Data segregation will be a<br>
big piece moving forward I think.<br>
><br>
> Bobb<br>
><br>
><br>
><br>
> -----Original Message-----<br>
> From: <a href="mailto:postgis-users-bounces@lists.osgeo.org" target="_blank">postgis-users-bounces@lists.<u></u>osgeo.org</a><br>
<mailto:<a href="mailto:postgis-users-bounces@lists.osgeo.org" target="_blank">postgis-users-bounces@<u></u>lists.osgeo.org</a>><br></div></div><div><div class="h5">
> [mailto:<a href="mailto:postgis-users-bounces@lists.osgeo.org" target="_blank">postgis-users-bounces@<u></u>lists.osgeo.org</a><br>
<mailto:<a href="mailto:postgis-users-bounces@lists.osgeo.org" target="_blank">postgis-users-bounces@<u></u>lists.osgeo.org</a>>] On Behalf Of Frank<br>
> Henze<br>
> Sent: Thursday, December 12, 2013 6:04 AM<br>
> To: PostGIS Users Discussion<br>
> Subject: Re: [postgis-users] Old question resurfacing<br>
><br>
> Hi Bobb,<br>
> hi all,<br>
><br>
> <a href="https://hub.sharedgeo.org/apps/x3d/" target="_blank">https://hub.sharedgeo.org/<u></u>apps/x3d/</a> looks great!<br>
><br>
> We have similar requirements for a 3d WebGIS.<br>
> A first prototype you can find at:<br>
><br>
> <a href="http://www2.htw-dresden.de/~s68071/3DWebGIS/" target="_blank">http://www2.htw-dresden.de/~<u></u>s68071/3DWebGIS/</a><br>
><br>
> For "Projektauswahl:" select "W3DS"<br>
><br>
> and then select "Historische Gebäude" (Historical Buildings)<br>
><br>
> If there is nothing to see, then press on the left side "Alles<br>
anzeigen"<br>
><br>
> We use the community buildt Geoserver incl. Web 3D service +<br>
X3DOM + JS.<br>
><br>
> Some of our problems:<br>
><br>
> How to import 3D geometries into PostGIS?<br>
> Which formats and interfaces (CAD, X3D)?<br>
> Point clouds in PostGIS (also import of).<br>
><br>
> Is there a 3D PostGIS interest-group?<br>
> If not, should one established?<br>
><br>
> Frank<br>
><br>
> Am 11.12.2013 17:44, schrieb Basques, Bob (CI-StPaul):<br>
>> All,<br>
>><br>
>> Nothing that far along. Did a couple of proofs of concept so far,<br>
>> I've done a couple of presentations on the Visualizer approach. We<br>
>> tried a couple of different things, x3Dom, allover'js<br>
>><br>
>> You can see some of them here ( some of the pages take a while to<br>
>> load the data in the background, be patient):<br>
>><br>
>> <a href="https://hub.sharedgeo.org/apps/x3d/" target="_blank">https://hub.sharedgeo.org/<u></u>apps/x3d/</a> (these will generally need a<br>
>> webGL enabled browser)<br>
>><br>
>> These are purely intended as a test of just how much data could<br>
>> easily be squished into the browser before if blows, so you<br>
might experience<br>
>> some failures. Ideally the data coming into these would be<br>
segmented<br>
>> via a SQL call to PostGIS Pointcloud sources.<br>
>><br>
>> The last two in the list are using some point clouds cut from our<br>
>> recent data collect at 8pt per sq meter for the City (6 billion<br>
>> points in all), these are using about 300k points each for example.<br>
>><br>
>> Bobb<br>
>><br>
>> *From:*<a href="mailto:postgis-users-bounces@lists.osgeo.org" target="_blank">postgis-users-bounces@<u></u>lists.osgeo.org</a><br>
<mailto:<a href="mailto:postgis-users-bounces@lists.osgeo.org" target="_blank">postgis-users-bounces@<u></u>lists.osgeo.org</a>><br></div></div>
>> [mailto:<a href="mailto:postgis-users-bounces@lists.osgeo.org" target="_blank">postgis-users-bounces@<u></u>lists.osgeo.org</a><br>
<mailto:<a href="mailto:postgis-users-bounces@lists.osgeo.org" target="_blank">postgis-users-bounces@<u></u>lists.osgeo.org</a>>] *On Behalf Of *Rémi<div class="im"><br>
>> Cura<br>
>> *Sent:* Wednesday, December 11, 2013 10:08 AM<br>
>> *To:* PostGIS Users Discussion<br>
>> *Subject:* Re: [postgis-users] Old question resurfacing<br>
>><br>
>> I would be very interested to know any attempt to visualize 3D point<br>
>> cloud from data base !<br>
>><br>
>> We did the same but our solution is far from perfect.<br>
>><br>
>> Bob, is you rporject public/open source, have you any paper/doc<br>
about it ?<br>
>><br>
>> Cheers,<br>
>><br>
>> Rémi-C<br>
>><br>
>> 2013/12/11 Basques, Bob (CI-StPaul) <<a href="mailto:bob.basques@ci.stpaul.mn.us" target="_blank">bob.basques@ci.stpaul.mn.us</a><br>
<mailto:<a href="mailto:bob.basques@ci.stpaul.mn.us" target="_blank">bob.basques@ci.stpaul.<u></u>mn.us</a>><br></div>
>> <mailto:<a href="mailto:bob.basques@ci.stpaul.mn.us" target="_blank">bob.basques@ci.stpaul.<u></u>mn.us</a><div class="im"><br>
<mailto:<a href="mailto:bob.basques@ci.stpaul.mn.us" target="_blank">bob.basques@ci.stpaul.<u></u>mn.us</a>>>><br>
>><br>
>> Hmm,<br>
>><br>
>> I'm working with the Minneapolis International Airport (MSP) on a<br>
>> project, any chance that data is open/accessible enough to play<br>
with?<br>
>> This could tie directly into a project I'm already working on.<br>
>><br>
>> Thanks<br>
>><br>
>> Bobb<br>
>><br>
>> *From:*<a href="mailto:postgis-users-bounces@lists.osgeo.org" target="_blank">postgis-users-bounces@<u></u>lists.osgeo.org</a><br>
<mailto:<a href="mailto:postgis-users-bounces@lists.osgeo.org" target="_blank">postgis-users-bounces@<u></u>lists.osgeo.org</a>><br>
>> <mailto:<a href="mailto:postgis-users-bounces@lists.osgeo.org" target="_blank">postgis-users-bounces@<u></u>lists.osgeo.org</a><br>
<mailto:<a href="mailto:postgis-users-bounces@lists.osgeo.org" target="_blank">postgis-users-bounces@<u></u>lists.osgeo.org</a>>><br></div>
>> [mailto:<a href="mailto:postgis-users-bounces@lists.osgeo.org" target="_blank">postgis-users-bounces@<u></u>lists.osgeo.org</a><div class="im"><br>
<mailto:<a href="mailto:postgis-users-bounces@lists.osgeo.org" target="_blank">postgis-users-bounces@<u></u>lists.osgeo.org</a>><br>
>> <mailto:<a href="mailto:postgis-users-bounces@lists.osgeo.org" target="_blank">postgis-users-bounces@<u></u>lists.osgeo.org</a><br>
<mailto:<a href="mailto:postgis-users-bounces@lists.osgeo.org" target="_blank">postgis-users-bounces@<u></u>lists.osgeo.org</a>>>] *On Behalf Of *Gerry<br>
>> Creager - NOAA Affiliate<br>
>> *Sent:* Tuesday, December 10, 2013 2:14 PM<br>
>><br>
>><br>
>> *To:* PostGIS Users Discussion<br>
>> *Subject:* Re: [postgis-users] Old question resurfacing<br>
>><br>
>> Bob, all:<br>
>><br>
>> I agree. I'll have to spend some time with pointcloud but it DOES<br>
>> look very promising.<br>
>><br>
>> Another application? Lidar. Pointed at the sky, not at the<br>
ground (we<br>
>> use 'em to determine cloud layers [ceiling] and sky cover at<br>
airports<br>
>> for aviation data...).<br>
>><br>
>> Thanks, all!<br>
>><br>
>> gerry<br>
>><br>
>> On Tue, Dec 10, 2013 at 1:49 PM, Basques, Bob (CI-StPaul)<br>
>> <<a href="mailto:bob.basques@ci.stpaul.mn.us" target="_blank">bob.basques@ci.stpaul.mn.us</a><br>
<mailto:<a href="mailto:bob.basques@ci.stpaul.mn.us" target="_blank">bob.basques@ci.stpaul.<u></u>mn.us</a>><br></div>
<mailto:<a href="mailto:bob.basques@ci.stpaul.mn.us" target="_blank">bob.basques@ci.stpaul.<u></u>mn.us</a><div class="im"><br>
<mailto:<a href="mailto:bob.basques@ci.stpaul.mn.us" target="_blank">bob.basques@ci.stpaul.<u></u>mn.us</a>>>> wrote:<br>
>><br>
>> Gerry,<br>
>><br>
>> Remi's idea about using a point cloud may be spot on for your use.<br>
>> It allows you to set a point cloud down to a revolution if need be,<br>
>> which seems like what you are looking for.. If the data becomes too<br>
>> massive for insertion into DB at real-time speeds, then you could<br>
>> also separate this revolution into separate DB's as well, you could<br>
>> separate a whole number of ways, by elevation, or quadrant, or . . .<br>
>><br>
>> I'm very interested in visualization possibilities with something<br>
>> like this being available in a database. We're doing some<br>
similar db<br>
>> 3d visualization stuff on some rather dense point clouds. Your data<br>
>> once available could use the same visualizer.<br>
>><br>
>> Bobb<br>
>><br>
>> *From:*<a href="mailto:postgis-users-bounces@lists.osgeo.org" target="_blank">postgis-users-bounces@<u></u>lists.osgeo.org</a><br>
<mailto:<a href="mailto:postgis-users-bounces@lists.osgeo.org" target="_blank">postgis-users-bounces@<u></u>lists.osgeo.org</a>><br>
>> <mailto:<a href="mailto:postgis-users-bounces@lists.osgeo.org" target="_blank">postgis-users-bounces@<u></u>lists.osgeo.org</a><br>
<mailto:<a href="mailto:postgis-users-bounces@lists.osgeo.org" target="_blank">postgis-users-bounces@<u></u>lists.osgeo.org</a>>><br></div>
>> [mailto:<a href="mailto:postgis-users-bounces@lists.osgeo.org" target="_blank">postgis-users-bounces@<u></u>lists.osgeo.org</a><br>
<mailto:<a href="mailto:postgis-users-bounces@lists.osgeo.org" target="_blank">postgis-users-bounces@<u></u>lists.osgeo.org</a>><br>
>> <mailto:<a href="mailto:postgis-users-bounces@lists.osgeo.org" target="_blank">postgis-users-bounces@<u></u>lists.osgeo.org</a><div><div class="h5"><br>
<mailto:<a href="mailto:postgis-users-bounces@lists.osgeo.org" target="_blank">postgis-users-bounces@<u></u>lists.osgeo.org</a>>>] *On Behalf Of *Gerry<br>
>> Creager - NOAA Affiliate<br>
>> *Sent:* Tuesday, December 10, 2013 1:41 PM<br>
>> *To:* PostGIS Users Discussion<br>
>> *Subject:* Re: [postgis-users] Old question resurfacing<br>
>><br>
>> Bob<br>
>><br>
>> At least preliminarily, I can post-process, so speed of db adds<br>
isn't<br>
>> too troubling. Maintaining accurate representation of the bin-volume<br>
>> data is, however, important.<br>
>><br>
>> Typical rotation is 1-3 RPM, and a complete volume scan takes<br>
~11 min<br>
>> in clear air (where you best see biologicals if so inclined) or ~5<br>
>> min in one of the storm data collection modes. These are for common<br>
>> WSR88D, stationary radars. SMARTR's and others we have here that are<br>
>> mobile present a whole host of other options/data eval and speed<br>
problems.<br>
>><br>
>> Current radar data are nominally considered to have a horizontal<br>
>> resolution of ~250 m, ignoring distortion or keyholing due to<br>
>> range.Typically 16 elevations are scanned, once or or twice in storm<br>
>> mode and a few less elevations in clear air mode.<br>
>><br>
>> Now, the interesting thing that's on the horizon is Phased Array<br>
Radar.<br>
>> When that happens, more data, more resolution, and faster updates.<br>
>><br>
>> gerry<br>
>><br>
>> On Tue, Dec 10, 2013 at 11:05 AM, Basques, Bob (CI-StPaul)<br>
>> <<a href="mailto:bob.basques@ci.stpaul.mn.us" target="_blank">bob.basques@ci.stpaul.mn.us</a><br>
<mailto:<a href="mailto:bob.basques@ci.stpaul.mn.us" target="_blank">bob.basques@ci.stpaul.<u></u>mn.us</a>><br></div></div>
<mailto:<a href="mailto:bob.basques@ci.stpaul.mn.us" target="_blank">bob.basques@ci.stpaul.<u></u>mn.us</a><div class="im"><br>
<mailto:<a href="mailto:bob.basques@ci.stpaul.mn.us" target="_blank">bob.basques@ci.stpaul.<u></u>mn.us</a>>>> wrote:<br>
>><br>
>> Gerry,<br>
>><br>
>> Seems like the biggest hangup would be in adding the data to the DB<br>
>> fast enough. How many points, per revolution, and what is the<br>
>> frequency of a revolution (stationary Radar, correct, although as I<br>
>> think about it, it could be mobile if needed, just need to add<br>
in the<br>
>> radar location to each record)?<br>
>><br>
>> Bobb<br>
>><br>
>> *From:*<a href="mailto:postgis-users-bounces@lists.osgeo.org" target="_blank">postgis-users-bounces@<u></u>lists.osgeo.org</a><br>
<mailto:<a href="mailto:postgis-users-bounces@lists.osgeo.org" target="_blank">postgis-users-bounces@<u></u>lists.osgeo.org</a>><br>
>> <mailto:<a href="mailto:postgis-users-bounces@lists.osgeo.org" target="_blank">postgis-users-bounces@<u></u>lists.osgeo.org</a><br>
<mailto:<a href="mailto:postgis-users-bounces@lists.osgeo.org" target="_blank">postgis-users-bounces@<u></u>lists.osgeo.org</a>>><br></div>
>> [mailto:<a href="mailto:postgis-users-bounces@lists.osgeo.org" target="_blank">postgis-users-bounces@<u></u>lists.osgeo.org</a><br>
<mailto:<a href="mailto:postgis-users-bounces@lists.osgeo.org" target="_blank">postgis-users-bounces@<u></u>lists.osgeo.org</a>><br>
>> <mailto:<a href="mailto:postgis-users-bounces@lists.osgeo.org" target="_blank">postgis-users-bounces@<u></u>lists.osgeo.org</a><div><div class="h5"><br>
<mailto:<a href="mailto:postgis-users-bounces@lists.osgeo.org" target="_blank">postgis-users-bounces@<u></u>lists.osgeo.org</a>>>] *On Behalf Of *Gerry<br>
>> Creager - NOAA Affiliate<br>
>> *Sent:* Tuesday, December 10, 2013 10:52 AM<br>
>> *To:* PostGIS Users Discussion<br>
>> *Subject:* [postgis-users] Old question resurfacing<br>
>><br>
>> I asked this years ago, and I think Paul was less than pleased with<br>
>> me (:-), but:<br>
>><br>
>> Has anyone, in the ensuing years looked at encoding radar data<br>
into a<br>
>> postGIS database? We've a little idea that might benefit one<br>
project,<br>
>> and getting the radar data into a good geospatial format would be<br>
>> beneficial.The data, of coure, would start out as<br>
radial-distance and<br>
>> intensity from the radar site, although we could preprocess it<br>
by gridding.<br>
>><br>
>> Thanks, Gerry<br>
>><br>
>> --<br>
>><br>
>> Gerry Creager<br>
>><br>
>> NSSL/CIMMS<br>
>><br>
>> <a href="tel:405.325.6371" value="+14053256371" target="_blank">405.325.6371</a> <tel:<a href="tel:405.325.6371" value="+14053256371" target="_blank">405.325.6371</a>><br>
>><br>
>> ++++++++++++++++++++++<br>
>><br>
>> "Big whorls have little whorls,<br>
>><br>
>> That feed on their velocity;<br>
>><br>
>> And little whorls have lesser whorls,<br>
>><br>
>> And so on to viscosity."<br>
>><br>
>> Lewis Fry Richardson (1881-1953)<br>
>><br>
>><br>
>> ______________________________<u></u>_________________<br>
>> postgis-users mailing list<br>
>> <a href="mailto:postgis-users@lists.osgeo.org" target="_blank">postgis-users@lists.osgeo.org</a><br>
<mailto:<a href="mailto:postgis-users@lists.osgeo.org" target="_blank">postgis-users@lists.<u></u>osgeo.org</a>><br></div></div>
<mailto:<a href="mailto:postgis-users@lists.osgeo.org" target="_blank">postgis-users@lists.<u></u>osgeo.org</a><div class="im"><br>
<mailto:<a href="mailto:postgis-users@lists.osgeo.org" target="_blank">postgis-users@lists.<u></u>osgeo.org</a>>><br>
>> <a href="http://lists.osgeo.org/cgi-bin/mailman/listinfo/postgis-users" target="_blank">http://lists.osgeo.org/cgi-<u></u>bin/mailman/listinfo/postgis-<u></u>users</a><br>
>><br>
>><br>
>><br>
>> --<br>
>><br>
>> Gerry Creager<br>
>><br>
>> NSSL/CIMMS<br>
>><br>
>> <a href="tel:405.325.6371" value="+14053256371" target="_blank">405.325.6371</a> <tel:<a href="tel:405.325.6371" value="+14053256371" target="_blank">405.325.6371</a>><br>
>><br>
>> ++++++++++++++++++++++<br>
>><br>
>> "Big whorls have little whorls,<br>
>><br>
>> That feed on their velocity;<br>
>><br>
>> And little whorls have lesser whorls,<br>
>><br>
>> And so on to viscosity."<br>
>><br>
>> Lewis Fry Richardson (1881-1953)<br>
>><br>
>><br>
>> ______________________________<u></u>_________________<br>
>> postgis-users mailing list<br>
>> <a href="mailto:postgis-users@lists.osgeo.org" target="_blank">postgis-users@lists.osgeo.org</a><br>
<mailto:<a href="mailto:postgis-users@lists.osgeo.org" target="_blank">postgis-users@lists.<u></u>osgeo.org</a>><br></div>
<mailto:<a href="mailto:postgis-users@lists.osgeo.org" target="_blank">postgis-users@lists.<u></u>osgeo.org</a><div class="im"><br>
<mailto:<a href="mailto:postgis-users@lists.osgeo.org" target="_blank">postgis-users@lists.<u></u>osgeo.org</a>>><br>
>> <a href="http://lists.osgeo.org/cgi-bin/mailman/listinfo/postgis-users" target="_blank">http://lists.osgeo.org/cgi-<u></u>bin/mailman/listinfo/postgis-<u></u>users</a><br>
>><br>
>><br>
>><br>
>> --<br>
>><br>
>> Gerry Creager<br>
>><br>
>> NSSL/CIMMS<br>
>><br>
>> <a href="tel:405.325.6371" value="+14053256371" target="_blank">405.325.6371</a><br>
>><br>
>> ++++++++++++++++++++++<br>
>><br>
>> "Big whorls have little whorls,<br>
>><br>
>> That feed on their velocity;<br>
>><br>
>> And little whorls have lesser whorls,<br>
>><br>
>> And so on to viscosity."<br>
>><br>
>> Lewis Fry Richardson (1881-1953)<br>
>><br>
>><br>
>> ______________________________<u></u>_________________<br>
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<mailto:<a href="mailto:postgis-users@lists.osgeo.org" target="_blank">postgis-users@lists.<u></u>osgeo.org</a><div><div class="h5"><br>
<mailto:<a href="mailto:postgis-users@lists.osgeo.org" target="_blank">postgis-users@lists.<u></u>osgeo.org</a>>><br>
>> <a href="http://lists.osgeo.org/cgi-bin/mailman/listinfo/postgis-users" target="_blank">http://lists.osgeo.org/cgi-<u></u>bin/mailman/listinfo/postgis-<u></u>users</a><br>
>><br>
>><br>
>><br>
>> ______________________________<u></u>_________________<br>
>> postgis-users mailing list<br>
>> <a href="mailto:postgis-users@lists.osgeo.org" target="_blank">postgis-users@lists.osgeo.org</a> <mailto:<a href="mailto:postgis-users@lists.osgeo.org" target="_blank">postgis-users@lists.<u></u>osgeo.org</a>><br>
>> <a href="http://lists.osgeo.org/cgi-bin/mailman/listinfo/postgis-users" target="_blank">http://lists.osgeo.org/cgi-<u></u>bin/mailman/listinfo/postgis-<u></u>users</a><br>
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><br>
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<br>
<br>
<br>
<br>
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</div></div></blockquote><div class="HOEnZb"><div class="h5">
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