<div dir="ltr">> we have plan to upgrade to Debian 10. Hopefully will help.<div><br></div><div>You can pre-test with postgis docker images</div><div>( see <a href="https://github.com/postgis/docker-postgis">https://github.com/postgis/docker-postgis</a> )</div><div><br></div><div>The <b>"postgis/postgis:12-3.0"</b> docker image is debian 10.5 and still : <b>3.7.1 Geos</b><br></div><div><br><font size="1">root@61a36fd6dd8b:/# cat /etc/debian_version<br>10.5<br></font></div><div><font size="1">root@61a36fd6dd8b:/# dpkg -l | grep geos<br>ii libgeos-3.7.1:amd64 3.7.1-1 amd64 Geometry engine for Geographic Information Systems - C++ Library<br>ii libgeos-c1v5:amd64 3.7.1-1 amd64 Geometry engine for Geographic Information Systems - C Library<br></font><br></div><div>And you can test with the <b>"postgis/postgis:12-master"</b> ( with the latest geos, postgis, proj )</div><div><span style="font-size:x-small"><br>POSTGIS="3.1.0dev 3d049c8" [EXTENSION] PGSQL="120" GEOS="3.9.0dev-CAPI-1.14.0" PROJ="7.2.0" LIBXML="2.9.4" LIBJSON="0.12.1" LIBPROTOBUF="1.3.1" WAGYU="0.5.0 (Internal)" TOPOLOGY</span><br></div><div><font size="1"><br></font></div><div><br></div><div>Imre</div><div><br></div><div><br></div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">Michal Seidl <<a href="mailto:michal.seidl@gmail.com">michal.seidl@gmail.com</a>> ezt írta (időpont: 2020. aug. 27., Cs, 12:17):<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">Thanks for your time, we have plan to upgrade to Debian 10. Hopefully <br>
will help.<br>
<br>
MS<br>
<br>
On 8/26/20 11:45 PM, Paul Ramsey wrote:<br>
> "somehow", doh!<br>
> If JTS is not working, we did it accidentally, yay<br>
> P<br>
> <br>
>> On Aug 26, 2020, at 2:36 PM, Mike Taves <<a href="mailto:mwtoews@gmail.com" target="_blank">mwtoews@gmail.com</a>> wrote:<br>
>><br>
>> I can confirm that this was an issue for previous GEOS, but it is now<br>
>> fixed in master, somehow.<br>
>><br>
>> However, I'm getting the same odd behaviour with JTS testbuilder (from<br>
>> master, I think). Martin could possibly confirm.<br>
>><br>
>> On Thu, 27 Aug 2020 at 03:42, Paul Ramsey <<a href="mailto:pramsey@cleverelephant.ca" target="_blank">pramsey@cleverelephant.ca</a>> wrote:<br>
>>><br>
>>> Try some more recent versions. I'm finding with my very-fresh GEOS I'm getting a poly-with-hole, just as you are.<br>
>>> P.<br>
>>><br>
>>>> On Aug 26, 2020, at 2:58 AM, Michal Seidl <<a href="mailto:michal.seidl@gmail.com" target="_blank">michal.seidl@gmail.com</a>> wrote:<br>
>>>><br>
>>>> Hello,<br>
>>>> I am facing this malfunction of ST_Buffer. The result of closed LINESTRING buffer should be polygon with hole but regular polygon is returned?<br>
>>>><br>
>>>> I am using:<br>
>>>> POSTGIS="2.1.4 r12966" GEOS="3.4.2-CAPI-1.8.2 r3921" PROJ="Rel. 4.8.0, 6 March 2012" GDAL="GDAL 1.10.1, released 2013/08/26" LIBXML="2.9.1" LIBJSON="UNKNOWN" RASTER<br>
>>>><br>
>>>> This is the case<br>
>>>> ST_AsText(ST_Buffer(ST_GeomFromText('LINESTRING(-632707.74 -1143841.28,-632728.28 -1143828.04,-632761.31 -1143818.48,-632747.42 -1143835.92,-632727.41 -1143861.05,-632687.29 -1143893.42,-632587.04 -1143963.89,-632469.61 -1144047.39,-632439.8 -1144068.97,-632426.45 -1144083.11,-632422.85 -1144089.95,-632423.07 -1144099.75,-632426.7 -1144107.51,-632427.54 -1144108.41,-632426.4 -1144109.46,-632425.57 -1144108.56,-632411.95 -1144094.85,-632403.98 -1144087.66,-632393.94 -1144079.17,-632371.19 -1144059.68,-632381.11 -1144052.77,-632398.98 -1144062.1,-632407.15 -1144063.46,-632420.6 -1144058,-632457.53 -1144030.85,-632521.98 -1143975.36,-632585.23 -1143928.05,-632634.76 -1143892.41,-632627.84 -1143886.95,-632631.46 -1143883.96,-632637.6 -1143889.98,-632684 -1143856.57,-632707.74 -1143841.28)'), 0.001)) AS wkt_geometry<br>
>>>><br>
>>>> If I enlarge buffer distance to 0.01 result looks OK. Also if I change from default propeties to endcap=square join=miter helps?<br>
>>>><br>
>>>> Anu suggestions?<br>
>>>><br>
>>>> Thanks Michal S.<br>
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