<div dir="ltr"><div>This is interesting.</div><div><br></div><div>Can we have an SQL to produce report on the status of polygon? Namely, can we write a script to tell us whether a geometry is a valid single geometry, or polygons inside polygon, whether there be any issues such as self-intersect in a polygon?</div><div><br></div><div>SQL reporting on geometry is of interest.</div><div><br></div><div>Is it possible to send me a small file of polygons inside polygon in a format of CSV or Well Known Text, so that I can test out and confirm the robustness of SQL scripts?</div><div><br></div><div>Regards,</div><div><br></div><div>David</div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Tue, 30 Nov 2021 at 06:30, <<a href="mailto:paul.malm@lfv.se">paul.malm@lfv.se</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
<div lang="SV">
<div class="gmail-m_-3801678493604947127WordSection1">
<p class="MsoNormal"><u></u> <u></u></p>
<p class="MsoNormal"><u></u> <u></u></p>
<p class="MsoNormal"><span lang="EN-US">Hi,<u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-US">I have a polygon layer where polygons are inside other polygons (could be polygons in polygons in polygons…).
<u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-US">I would like to separate them in 2 different layers, one layer with the outer most polygon and one layer with all polygons that has a surrounding polygon.
<u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-US">Is there a smart way to do this in SQL?<u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-US"><u></u> <u></u></span></p>
<p class="MsoNormal"><span lang="EN-US">Thanks,<u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-US">Paul<u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-US"> </span>
<span><img width="132" height="107" style="width: 1.375in; height: 1.1145in;" id="gmail-m_-3801678493604947127Bild_x0020_1" src="cid:17d75bb8b724ce8e91" alt="1_LFV_svensk_96"><u></u><u></u></span></p>
<table border="0" cellspacing="0" cellpadding="0" width="0" style="width:630pt;border-collapse:collapse">
<tbody>
<tr style="height:36.85pt">
<td width="420" valign="top" style="width:315pt;padding:0cm;height:36.85pt">
<p class="MsoNormal" style="margin-top:2pt;line-height:10pt">
<span style="font-size:9pt;color:rgb(51,51,51)"> </span><span style="font-size:9pt">Paul Malm<span style="color:rgb(51,51,51)"><u></u><u></u></span></span></p>
<p class="MsoNormal" style="margin-top:2pt;line-height:10pt">
<span style="font-size:9pt;color:rgb(51,51,51)"><u></u> <u></u></span></p>
<p class="MsoNormal" style="margin-top:2pt;line-height:10pt">
<span style="font-size:9pt;color:rgb(51,51,51)"> Operations / AIM Flyginfo SE</span><span style="font-size:9pt;color:rgb(51,51,51)"><u></u><u></u></span></p>
</td>
<td width="420" valign="top" style="width:315pt;padding:0cm 0cm 0cm 2.25pt;height:36.85pt">
<p class="MsoNormal" style="margin-top:2pt;line-height:10pt">
<span style="font-size:9pt;color:rgb(51,51,51)"><u></u> <u></u></span></p>
</td>
</tr>
<tr style="height:24.1pt">
<td width="420" valign="top" style="width:315pt;padding:0cm;height:24.1pt">
<p class="MsoNormal" style="margin-bottom:12pt;line-height:9pt">
<span style="font-size:9pt;color:rgb(51,51,51)"> Direkt 08-797 70 23 Mobil 07</span><span style="font-size:9pt">0<span style="color:rgb(51,51,51)">-860 11 15<br>
<a href="mailto:paul.malm@lfv.se" target="_blank">paul.malm@lfv.se</a> <u></u><u></u></span></span></p>
<p class="MsoNormal" style="line-height:9pt"><span style="font-size:9pt;color:rgb(51,51,51)"> Besöks- och postadress<br>
LFV Flyginfo SE<u></u><u></u></span></p>
<p class="MsoNormal" style="line-height:9pt"><span style="font-size:9pt;color:rgb(51,51,51)"> Af Pontins väg 6
<u></u><u></u></span></p>
<p class="MsoNormal" style="line-height:9pt"><span style="font-size:9pt;color:rgb(51,51,51)"> 115 21 STOCKHOLM<u></u><u></u></span></p>
</td>
<td width="420" valign="top" style="width:315pt;padding:0cm 0cm 0cm 2.25pt;height:24.1pt">
<p class="MsoNormal" style="line-height:9pt"><span style="font-size:9pt;color:rgb(51,51,51)"><u></u> <u></u></span></p>
</td>
</tr>
<tr>
<td width="420" valign="top" style="width:315pt;padding:0cm">
<p class="MsoNormal" style="margin-bottom:12pt;line-height:9pt">
<span style="font-size:9pt;color:rgb(51,51,51)"> <u></u><u></u></span></p>
</td>
<td width="420" valign="top" style="width:315pt;padding:0cm 0cm 0cm 2.25pt">
<p class="MsoNormal" style="margin-top:2pt;line-height:9pt">
<span style="font-size:9pt;color:rgb(51,51,51)"><u></u> <u></u></span></p>
</td>
</tr>
<tr style="height:3.7pt">
<td width="420" valign="top" style="width:315pt;padding:0cm;height:3.7pt">
<p class="MsoNormal" style="margin-top:6pt;line-height:9pt">
<span style="font-size:9pt;color:rgb(0,204,0)"> Tänk på miljön innan du skriver ut detta e-postmeddelande.</span><span style="font-size:9pt;color:rgb(0,204,0)"><u></u><u></u></span></p>
</td>
<td width="420" valign="top" style="width:315pt;padding:0cm 0cm 0cm 2.25pt;height:3.7pt">
<p class="MsoNormal" style="margin-top:6pt;line-height:9pt">
<span style="font-size:9pt;color:rgb(0,204,0)"><u></u> <u></u></span></p>
</td>
</tr>
</tbody>
</table>
<p class="MsoNormal"><span><u></u> <u></u></span></p>
<p class="MsoNormal"><u></u> <u></u></p>
</div>
</div>
_______________________________________________<br>
postgis-users mailing list<br>
<a href="mailto:postgis-users@lists.osgeo.org" target="_blank">postgis-users@lists.osgeo.org</a><br>
<a href="https://lists.osgeo.org/mailman/listinfo/postgis-users" rel="noreferrer" target="_blank">https://lists.osgeo.org/mailman/listinfo/postgis-users</a><br>
</blockquote></div></div>