<div dir="ltr"><div><div><div>Hey,<br><br></div>if you use the compression of patch and sensible xml schema, <br>you should already have a 1:2 to 1:4 compression of the point size.<br></div><div>(compared to binary ply in my case)<br><br></div>Cheers,<br></div>Rémi-C<br></div><div class="gmail_extra"><br><div class="gmail_quote">2015-03-26 18:05 GMT+01:00 Jonathan Moules <span dir="ltr"><<a href="mailto:J.Moules@hrwallingford.com" target="_blank">J.Moules@hrwallingford.com</a>></span>:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1f497d">Hi Paul,<u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1f497d">I suspect I know the answer to this (“no”), but to confirm, is the disk saving for points going to apply to points stored using the pointcloud extension in a
postgis database?<u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1f497d"><u></u> <u></u></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1f497d">Thanks,<u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1f497d">Jonathan<u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1f497d"><u></u> <u></u></span></p>
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<p class="MsoNormal"><b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif"" lang="EN-US">From:</span></b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif"" lang="EN-US"> <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>Paul Ramsey<br>
<b>Sent:</b> Friday, March 20, 2015 5:45 PM<br>
<b>To:</b> PostGIS Users Discussion<br>
<b>Subject:</b> [postgis-users] 2.1.6 Released<u></u><u></u></span></p>
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</div><div><div class="h5">
<p class="MsoNormal"><u></u> <u></u></p>
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<p style="margin:0cm;margin-bottom:.0001pt;line-height:16.5pt;vertical-align:baseline">
<span style="font-size:11.0pt;font-family:"Helvetica","sans-serif";color:#222222">The 2.1.6 release of PostGIS is <a href="http://download.osgeo.org/postgis/source/postgis-2.1.6.tar.gz" target="_blank"><span style="font-family:"inherit","serif";color:#0066cc;border:none windowtext 1.0pt;padding:0cm">now
available</span></a>.<u></u><u></u></span></p>
<p style="margin-right:0cm;margin-bottom:10.8pt;margin-left:0cm;line-height:16.5pt;vertical-align:baseline;font-stretch:inherit">
<span style="font-size:11.0pt;font-family:"Helvetica","sans-serif";color:#222222">The PostGIS development team is happy to release patch for PostGIS 2.1, the 2.1.6 release. As befits a patch release, the focus is on bugs, breakages, and performance issues.
Users with large tables of points will want to priorize this patch, for substantial (~50%) disk space savings.<u></u><u></u></span></p>
<p style="margin:0cm;margin-bottom:.0001pt;line-height:16.5pt;vertical-align:baseline;font-stretch:inherit">
<span style="font-size:11.0pt;font-family:"Helvetica","sans-serif";color:#222222"><a href="http://download.osgeo.org/postgis/source/postgis-2.1.6.tar.gz" target="_blank"><span style="font-family:"inherit","serif";color:#0066cc;border:none windowtext 1.0pt;padding:0cm">http://download.osgeo.org/postgis/source/postgis-2.1.6.tar.gz</span></a><u></u><u></u></span></p>
<p style="margin-right:0cm;margin-bottom:10.8pt;margin-left:0cm;line-height:16.5pt;vertical-align:baseline;font-stretch:inherit">
<strong><span style="font-size:11.0pt;font-family:"Helvetica","sans-serif";color:#222222">Enhancements</span></strong><span style="font-size:11.0pt;font-family:"Helvetica","sans-serif";color:#222222"><u></u><u></u></span></p>
<p class="MsoNormal" style="margin-right:18.0pt;margin-bottom:0cm;margin-left:0cm;margin-bottom:.0001pt;line-height:16.5pt;vertical-align:baseline">
<u></u><span style="font-size:10.0pt;font-family:Symbol;color:#222222"><span>·<span style="font:7.0pt "Times New Roman"">
</span></span></span><u></u><span style="font-size:11.0pt;font-family:"inherit","serif";color:#222222">#3000, Ensure edge splitting and healing algorithms use indexes<u></u><u></u></span></p>
<p class="MsoNormal" style="margin-right:18.0pt;margin-bottom:0cm;margin-left:0cm;margin-bottom:.0001pt;line-height:16.5pt;vertical-align:baseline">
<u></u><span style="font-size:10.0pt;font-family:Symbol;color:#222222"><span>·<span style="font:7.0pt "Times New Roman"">
</span></span></span><u></u><span style="font-size:11.0pt;font-family:"inherit","serif";color:#222222">#3048, Speed up geometry simplification (J.Santana @ CartoDB)<u></u><u></u></span></p>
<p class="MsoNormal" style="margin-right:18.0pt;margin-bottom:0cm;margin-left:0cm;margin-bottom:.0001pt;line-height:16.5pt;vertical-align:baseline">
<u></u><span style="font-size:10.0pt;font-family:Symbol;color:#222222"><span>·<span style="font:7.0pt "Times New Roman"">
</span></span></span><u></u><span style="font-size:11.0pt;font-family:"inherit","serif";color:#222222">#3050, Speep up geometry type reading (J.Santana @ CartoDB)<u></u><u></u></span></p>
<p style="margin-right:0cm;margin-bottom:10.8pt;margin-left:0cm;line-height:16.5pt;vertical-align:baseline;font-stretch:inherit">
<strong><span style="font-size:11.0pt;font-family:"Helvetica","sans-serif";color:#222222">Bug Fixes</span></strong><span style="font-size:11.0pt;font-family:"Helvetica","sans-serif";color:#222222"><u></u><u></u></span></p>
<p class="MsoNormal" style="margin-right:18.0pt;margin-bottom:0cm;margin-left:0cm;margin-bottom:.0001pt;line-height:16.5pt;vertical-align:baseline">
<u></u><span style="font-size:10.0pt;font-family:Symbol;color:#222222"><span>·<span style="font:7.0pt "Times New Roman"">
</span></span></span><u></u><span style="font-size:11.0pt;font-family:"inherit","serif";color:#222222">#2941, allow geography columns with SRID other than 4326<u></u><u></u></span></p>
<p class="MsoNormal" style="margin-right:18.0pt;margin-bottom:0cm;margin-left:0cm;margin-bottom:.0001pt;line-height:16.5pt;vertical-align:baseline">
<u></u><span style="font-size:10.0pt;font-family:Symbol;color:#222222"><span>·<span style="font:7.0pt "Times New Roman"">
</span></span></span><u></u><span style="font-size:11.0pt;font-family:"inherit","serif";color:#222222">#3069, small objects getting inappropriately fluffed up w/ boxes<u></u><u></u></span></p>
<p class="MsoNormal" style="margin-right:18.0pt;margin-bottom:0cm;margin-left:0cm;margin-bottom:.0001pt;line-height:16.5pt;vertical-align:baseline">
<u></u><span style="font-size:10.0pt;font-family:Symbol;color:#222222"><span>·<span style="font:7.0pt "Times New Roman"">
</span></span></span><u></u><span style="font-size:11.0pt;font-family:"inherit","serif";color:#222222">#3068, Have postgis_typmod_dims return NULL for unconstrained dims<u></u><u></u></span></p>
<p class="MsoNormal" style="margin-right:18.0pt;margin-bottom:0cm;margin-left:0cm;margin-bottom:.0001pt;line-height:16.5pt;vertical-align:baseline">
<u></u><span style="font-size:10.0pt;font-family:Symbol;color:#222222"><span>·<span style="font:7.0pt "Times New Roman"">
</span></span></span><u></u><span style="font-size:11.0pt;font-family:"inherit","serif";color:#222222">#3061, Allow duplicate points in JSON, GML, GML ST_GeomFrom* functions<u></u><u></u></span></p>
<p class="MsoNormal" style="margin-right:18.0pt;margin-bottom:0cm;margin-left:0cm;margin-bottom:.0001pt;line-height:16.5pt;vertical-align:baseline">
<u></u><span style="font-size:10.0pt;font-family:Symbol;color:#222222"><span>·<span style="font:7.0pt "Times New Roman"">
</span></span></span><u></u><span style="font-size:11.0pt;font-family:"inherit","serif";color:#222222">#3058, Fix ND-GiST picksplit method to split on the best plane<u></u><u></u></span></p>
<p class="MsoNormal" style="margin-right:18.0pt;margin-bottom:0cm;margin-left:0cm;margin-bottom:.0001pt;line-height:16.5pt;vertical-align:baseline">
<u></u><span style="font-size:10.0pt;font-family:Symbol;color:#222222"><span>·<span style="font:7.0pt "Times New Roman"">
</span></span></span><u></u><span style="font-size:11.0pt;font-family:"inherit","serif";color:#222222">#3052, Make operators <-> and <#> available for PostgreSQL < 9.1<u></u><u></u></span></p>
<p class="MsoNormal" style="margin-right:18.0pt;margin-bottom:0cm;margin-left:0cm;margin-bottom:.0001pt;line-height:16.5pt;vertical-align:baseline">
<u></u><span style="font-size:10.0pt;font-family:Symbol;color:#222222"><span>·<span style="font:7.0pt "Times New Roman"">
</span></span></span><u></u><span style="font-size:11.0pt;font-family:"inherit","serif";color:#222222">#3045, Fix dimensionality confusion in &&& operator<u></u><u></u></span></p>
<p class="MsoNormal" style="margin-right:18.0pt;margin-bottom:0cm;margin-left:0cm;margin-bottom:.0001pt;line-height:16.5pt;vertical-align:baseline">
<u></u><span style="font-size:10.0pt;font-family:Symbol;color:#222222"><span>·<span style="font:7.0pt "Times New Roman"">
</span></span></span><u></u><span style="font-size:11.0pt;font-family:"inherit","serif";color:#222222">#3016, Allow unregistering layers of corrupted topologies<u></u><u></u></span></p>
<p class="MsoNormal" style="margin-right:18.0pt;margin-bottom:0cm;margin-left:0cm;margin-bottom:.0001pt;line-height:16.5pt;vertical-align:baseline">
<u></u><span style="font-size:10.0pt;font-family:Symbol;color:#222222"><span>·<span style="font:7.0pt "Times New Roman"">
</span></span></span><u></u><span style="font-size:11.0pt;font-family:"inherit","serif";color:#222222">#3015, Avoid exceptions from TopologySummary<u></u><u></u></span></p>
<p class="MsoNormal" style="margin-right:18.0pt;margin-bottom:0cm;margin-left:0cm;margin-bottom:.0001pt;line-height:16.5pt;vertical-align:baseline">
<u></u><span style="font-size:10.0pt;font-family:Symbol;color:#222222"><span>·<span style="font:7.0pt "Times New Roman"">
</span></span></span><u></u><span style="font-size:11.0pt;font-family:"inherit","serif";color:#222222">#3020, ST_AddBand out-db bug where height using width value<u></u><u></u></span></p>
<p class="MsoNormal" style="margin-right:18.0pt;margin-bottom:0cm;margin-left:0cm;margin-bottom:.0001pt;line-height:16.5pt;vertical-align:baseline">
<u></u><span style="font-size:10.0pt;font-family:Symbol;color:#222222"><span>·<span style="font:7.0pt "Times New Roman"">
</span></span></span><u></u><span style="font-size:11.0pt;font-family:"inherit","serif";color:#222222">#3031, Allow restore of Geometry(Point) tables dumped with empties in them<u></u><u></u></span></p>
<p style="margin:0cm;margin-bottom:.0001pt;line-height:16.5pt;vertical-align:baseline;font-stretch:inherit">
<span style="font-size:11.0pt;font-family:"Helvetica","sans-serif";color:#222222">View all <a href="http://trac.osgeo.org/postgis/query?status=closed&groupdesc=1&group=priority&milestone=PostGIS+2.1.6&order=priority" target="_blank"><span style="font-family:"inherit","serif";color:#0066cc;border:none windowtext 1.0pt;padding:0cm">closed
tickets</span></a>.<u></u><u></u></span></p>
</div>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Helvetica","sans-serif""><u></u> <u></u></span></p>
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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Helvetica","sans-serif""><u></u> <u></u></span></p>
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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Helvetica","sans-serif"">-- <br>
Paul Ramsey<br>
<a href="http://cleverelephant.ca" target="_blank">http://cleverelephant.ca</a><u></u><u></u></span></p>
<div>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Helvetica","sans-serif""><a href="http://postgis.net" target="_blank">http://postgis.net</a>
<u></u><u></u></span></p>
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