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<p class="MsoNormal"><span style="font-size:8.0pt;font-family:"Comic Sans MS"">Gerry,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:8.0pt;font-family:"Comic Sans MS""><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:8.0pt;font-family:"Comic Sans MS"">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 . . .<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:8.0pt;font-family:"Comic Sans MS""><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:8.0pt;font-family:"Comic Sans MS"">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.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:8.0pt;font-family:"Comic Sans MS""><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:8.0pt;font-family:"Comic Sans MS"">Bobb<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:8.0pt;font-family:"Comic Sans MS""><o:p> </o:p></span></p>
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<p class="MsoNormal" style="margin-left:.5in"><b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif"">From:</span></b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif""> postgis-users-bounces@lists.osgeo.org [mailto:postgis-users-bounces@lists.osgeo.org]
<b>On Behalf Of </b>Gerry Creager - NOAA Affiliate<br>
<b>Sent:</b> Tuesday, December 10, 2013 1:41 PM<br>
<b>To:</b> PostGIS Users Discussion<br>
<b>Subject:</b> Re: [postgis-users] Old question resurfacing<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:.5in"><o:p> </o:p></p>
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<p class="MsoNormal" style="margin-left:.5in">Bob<o:p></o:p></p>
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<p class="MsoNormal" style="margin-left:.5in"><o:p> </o:p></p>
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<p class="MsoNormal" style="margin-left:.5in">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.<o:p></o:p></p>
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<p class="MsoNormal" style="margin-left:.5in">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.<o:p></o:p></p>
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<p class="MsoNormal" style="margin-left:.5in"><o:p> </o:p></p>
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<p class="MsoNormal" style="margin-left:.5in">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.<o:p></o:p></p>
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<p class="MsoNormal" style="margin-left:.5in">Now, the interesting thing that's on the horizon is Phased Array Radar. When that happens, more data, more resolution, and faster updates. <o:p></o:p></p>
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<p class="MsoNormal" style="margin-left:.5in"><o:p> </o:p></p>
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<p class="MsoNormal" style="margin-left:.5in">gerry<o:p></o:p></p>
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<o:p> </o:p></p>
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<p class="MsoNormal" style="margin-left:.5in">On Tue, Dec 10, 2013 at 11:05 AM, Basques, Bob (CI-StPaul) <<a href="mailto:bob.basques@ci.stpaul.mn.us" target="_blank">bob.basques@ci.stpaul.mn.us</a>> wrote:<o:p></o:p></p>
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<span style="font-size:8.0pt;font-family:"Comic Sans MS"">Gerry,</span><o:p></o:p></p>
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<span style="font-size:8.0pt;font-family:"Comic Sans MS""> </span><o:p></o:p></p>
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<span style="font-size:8.0pt;font-family:"Comic Sans MS"">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)?</span><o:p></o:p></p>
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<span style="font-size:8.0pt;font-family:"Comic Sans MS""> </span><o:p></o:p></p>
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<span style="font-size:8.0pt;font-family:"Comic Sans MS"">Bobb</span><o:p></o:p></p>
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<span style="font-size:8.0pt;font-family:"Comic Sans MS""> </span><o:p></o:p></p>
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<span style="font-size:8.0pt;font-family:"Comic Sans MS""> </span><o:p></o:p></p>
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<span style="font-size:8.0pt;font-family:"Comic Sans MS""> </span><o:p></o:p></p>
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<b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif"">From:</span></b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif"">
<a href="mailto:postgis-users-bounces@lists.osgeo.org" target="_blank">postgis-users-bounces@lists.osgeo.org</a> [mailto:<a href="mailto:postgis-users-bounces@lists.osgeo.org" target="_blank">postgis-users-bounces@lists.osgeo.org</a>]
<b>On Behalf Of </b>Gerry Creager - NOAA Affiliate<br>
<b>Sent:</b> Tuesday, December 10, 2013 10:52 AM<br>
<b>To:</b> PostGIS Users Discussion<br>
<b>Subject:</b> [postgis-users] Old question resurfacing</span><o:p></o:p></p>
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<o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:1.0in">
I asked this years ago, and I think Paul was less than pleased with me (:-), but:<o:p></o:p></p>
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<o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:1.0in">
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.<br clear="all">
<o:p></o:p></p>
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<o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:1.0in">
Thanks, Gerry<o:p></o:p></p>
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-- <o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:1.0in">
Gerry Creager<o:p></o:p></p>
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NSSL/CIMMS<o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:1.0in">
<a href="tel:405.325.6371" target="_blank">405.325.6371</a><o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:1.0in">
++++++++++++++++++++++<o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:1.0in">
“Big whorls have little whorls,<o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:1.0in">
That feed on their velocity; <o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:1.0in">
And little whorls have lesser whorls, <o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:1.0in">
And so on to viscosity.” <o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:1.0in">
Lewis Fry Richardson (1881-1953)<o:p></o:p></p>
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<p class="MsoNormal" style="margin-left:.5in"><br>
_______________________________________________<br>
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<a href="http://lists.osgeo.org/cgi-bin/mailman/listinfo/postgis-users" target="_blank">http://lists.osgeo.org/cgi-bin/mailman/listinfo/postgis-users</a><o:p></o:p></p>
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<br clear="all">
<o:p></o:p></p>
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<p class="MsoNormal" style="margin-left:.5in"><o:p> </o:p></p>
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<p class="MsoNormal" style="margin-left:.5in">-- <o:p></o:p></p>
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<p class="MsoNormal" style="margin-left:.5in">Gerry Creager<o:p></o:p></p>
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<p class="MsoNormal" style="margin-left:.5in">NSSL/CIMMS<o:p></o:p></p>
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<p class="MsoNormal" style="margin-left:.5in"><a href="tel:405.325.6371" target="_blank">405.325.6371</a><o:p></o:p></p>
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<p class="MsoNormal" style="margin-left:.5in">++++++++++++++++++++++<o:p></o:p></p>
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<p class="MsoNormal" style="margin-left:.5in">“Big whorls have little whorls,<o:p></o:p></p>
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<p class="MsoNormal" style="margin-left:.5in">That feed on their velocity; <o:p></o:p></p>
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<p class="MsoNormal" style="margin-left:.5in">And little whorls have lesser whorls, <o:p></o:p></p>
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<p class="MsoNormal" style="margin-left:.5in">And so on to viscosity.” <o:p></o:p></p>
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<p class="MsoNormal" style="margin-left:.5in">Lewis Fry Richardson (1881-1953)<o:p></o:p></p>
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