<div dir="ltr">Bedankt allen voor het meedenken.<div><br></div><div>ST_Snap had ik nog niet eerder gebruikt, die ga ik zeker onthouden.</div><div>Ik heb het nu werkend samen met ST_Buffer en ST_Union.</div></div><div class="gmail_extra"><br clear="all"><div><div class="gmail_signature" data-smartmail="gmail_signature"><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div dir="ltr"><div dir="ltr"><span><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><span style="font-size:12.666666666666666px;font-family:Arial;color:#222222;background-color:#ffffff;font-weight:400;font-style:normal;font-variant:normal;text-decoration:none;vertical-align:baseline;white-space:pre-wrap"><br></span></p><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><span style="font-size:12.666666666666666px;font-family:Arial;color:#222222;background-color:#ffffff;font-weight:400;font-style:normal;font-variant:normal;text-decoration:none;vertical-align:baseline;white-space:pre-wrap">Met vriendelijke groet,</span></p><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><span style="font-size:12.6667px;color:rgb(34,34,34);font-weight:400;font-style:normal;font-variant:normal;text-decoration:none;vertical-align:baseline;white-space:pre-wrap;background-color:rgb(255,255,255)"><font face="arial, helvetica, sans-serif">Paul </font></span></p><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><b style="font-weight:normal"><br></b></p><div dir="ltr" style="margin-left:0pt"><table style="border:none;border-collapse:collapse"><colgroup><col width="467"></colgroup><tbody><tr style="height:0px"><td style="border-left:solid #cccccc 1px;border-right:solid #cccccc 1px;border-bottom:solid #cccccc 1px;border-top:solid #cccccc 1px;vertical-align:top;padding:7px 7px 7px 7px"><br><div dir="ltr" style="margin-left:0pt"><table style="border:none;border-collapse:collapse"><colgroup><col width="145"><col width="439"></colgroup><tbody><tr style="height:0px"><td style="border-left:solid #000000 0px;border-right:solid #000000 0px;border-bottom:solid #000000 0px;border-top:solid #000000 0px;vertical-align:top;padding:7px 7px 7px 7px"><p dir="ltr" style="line-height:1.2;margin-top:0pt;margin-bottom:0pt"><span style="font-size:12.666666666666666px;font-family:Arial;color:#222222;background-color:#ffffff;font-weight:400;font-style:normal;font-variant:normal;text-decoration:none;vertical-align:baseline;white-space:pre-wrap"><a href="http://www.topx-geo-ict.nl" target="_blank"><img src="https://docs.google.com/uc?id=0B8UeIGgvyx2VUEhWSzJiZWZUXzhrbWlPVkNiY0tVNTZRMFpF&export=download" width="78" height="96" alt=" TopX Geo-ICT"></a></span></p></td><td style="border-left:solid #000000 0px;border-right:solid #000000 0px;border-bottom:solid #000000 0px;border-top:solid #000000 0px;vertical-align:top;padding:7px 7px 7px 7px"><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:6pt"><span style="font-size:13.333333333333332px;font-family:Verdana;color:#000000;background-color:#f8f8f8;font-weight:700;font-style:normal;font-variant:normal;text-decoration:none;vertical-align:baseline;white-space:pre-wrap">Paul Meems</span><span style="font-size:13.333333333333332px;font-family:Verdana;color:#000000;background-color:#f8f8f8;font-weight:700;font-style:normal;font-variant:normal;text-decoration:none;vertical-align:baseline;white-space:pre-wrap"><br></span><span style="font-size:13.333333333333332px;font-family:Verdana;color:#808080;background-color:#f8f8f8;font-weight:400;font-style:normal;font-variant:normal;text-decoration:none;vertical-align:baseline;white-space:pre-wrap">Senior GIS consultant</span><span style="font-size:13.333333333333332px;font-family:Verdana;color:#808080;background-color:#f8f8f8;font-weight:400;font-style:normal;font-variant:normal;text-decoration:none;vertical-align:baseline;white-space:pre-wrap"><br></span><span style="font-family:Verdana;color:rgb(34,34,34);font-weight:400;font-style:normal;font-variant:normal;text-decoration:none;vertical-align:baseline;white-space:pre-wrap;background-color:rgb(248,248,248)"><font size="1">06-53989481</font></span></p><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:6pt"><span style="color:rgb(0,0,0);font-family:Verdana;font-size:13.3333px;white-space:pre-wrap;line-height:1.38;background-color:rgb(248,248,248)">Wij bieden ondersteuning
</span><span style="font-size:13.3333px;font-family:Verdana;color:rgb(0,0,0);vertical-align:baseline;white-space:pre-wrap;background-color:rgb(248,248,248)">voor </span><a href="http://www.mapwindow.org/" style="line-height:1.38;font-size:12.8px;text-decoration:none" target="_blank"><span style="font-size:13.3333px;font-family:Verdana;color:rgb(17,85,204);text-decoration:underline;vertical-align:baseline;white-space:pre-wrap;background-color:rgb(248,248,248)">MapWindow GIS</span></a></p></td></tr></tbody></table></div><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:6pt"><a href="https://github.com/MapWindow/MapWinGIS/releases" style="text-decoration:none" target="_blank"><span style="font-size:13.333333333333332px;font-family:Verdana;color:#1155cc;background-color:#f8f8f8;font-weight:400;font-style:normal;font-variant:normal;text-decoration:underline;vertical-align:baseline;white-space:pre-wrap">Download the latest MapWinGIS mapping engine.</span></a></p><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:6pt"><a href="https://github.com/MapWindow/MapWindow5/releases" style="text-decoration:none" target="_blank"><span style="font-size:13.333333333333332px;font-family:Verdana;color:#1155cc;background-color:#f8f8f8;font-weight:400;font-style:normal;font-variant:normal;text-decoration:underline;vertical-align:baseline;white-space:pre-wrap">Download the latest MapWindow 5 open source desktop application.</span></a></p></td></tr></tbody></table></div><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><br></p></span>
</div></div></div></div></div></div></div></div></div></div></div>
<br><div class="gmail_quote">Op 24 januari 2017 om 20:14 schreef Rob van Loon <span dir="ltr"><<a href="mailto:rob.v.loon@gmail.com" target="_blank">rob.v.loon@gmail.com</a>></span>:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div style="word-wrap:break-word"><div>Hallo,</div><div><br></div><div>Voortbordurend op de suggestie van Raymond heb ik een voorbeeld-scriptje gemaakt (zie onder). De ST_SnapToGrid is volgens mij een hele mooie oplossing. Let er wel op dat deze coordinaten in graden zijn uitgedrukt en niet in meters. De ST_SnapToGrid kun je aanroepen op resultaat van de union, of vooraf op de input-geometry. Als je complete data-processing-lijn aan het opzetten bent, dan kun je dit opnemen in een pre-processing-stap.</div><div><br></div><div>Succes!</div><div><br></div><div>Groeten,</div><div><br></div><div>Rob,</div><div><br></div><div>create table myinput (id serial, geom geometry);</div><div><br></div><div><div>insert into myinput (geom) values(st_setsrid(st_<wbr>geomfromtext('POLYGON ((6.70283302429327 53.4467145756907,6.<wbr>70412357411507 53.4513517103932,6.<wbr>70412669569593 53.4513514723055,6.<wbr>70429851132755 53.4513385411578,6.<wbr>7044422330687 53.4513274445802,6.<wbr>70461864736033 53.4513123060751,6.<wbr>70475579172119 53.4513027187978,6.<wbr>70476389859094 53.4513020011143,6.<wbr>70476289090104 53.4512985975009,6.<wbr>70477294579793 53.4512975889328,6.<wbr>70474537106525 53.4512035387728,6.<wbr>70455723295698 53.4504884330555,6.<wbr>7043824777217 53.4498462358267,6.<wbr>70512536745689 53.4497742094107,6.<wbr>70428982930307 53.446703357341,6.<wbr>7043321605017 53.4466987452127,6.<wbr>70433703248029 53.4466992007631,6.<wbr>70432438136483 53.4466458505585,6.<wbr>70433730796039 53.4466358808802,6.<wbr>70432238314636 53.4466281870423,6.<wbr>70432596765171 53.4466425454975,6.<wbr>70428238531335 53.4466413315959,6.<wbr>70427217766495 53.4466426001478,6.<wbr>70427193191188 53.4466416424673,6.<wbr>7042538801134 53.4466370773315,6.<wbr>7040655917783 53.446652513779,6.<wbr>7039683797411 53.4466572551553,6.<wbr>70394919628077 53.4466585487938,6.<wbr>7037460705535 53.4466688385238,6.<wbr>70364650941673 53.4466709724489,6.<wbr>70349871347846 53.4466802526576,6.<wbr>7033660799956 53.4466877405564,6.<wbr>70334054582875 53.446689380932,6.<wbr>70317058220084 53.4466979897682,6.<wbr>70283302429327 53.4467145756907))'),4326));</div></div><div>insert into myinput (geom) values (st_setsrid(st_geomfromtext('<wbr>POLYGON ((6.70216668831253 53.4500028961737,6.<wbr>70237193062649 53.4507641096395,6.<wbr>70268318691148 53.4518899639785,6.<wbr>70268945925671 53.4519200060297,6.<wbr>70285955962013 53.4519046223288,6.<wbr>70303222228794 53.451889284531,6.<wbr>70318159368258 53.4518787567758,6.<wbr>70334811795126 53.4518650131825,6.<wbr>70351871454753 53.4518525098384,6.<wbr>70369451629033 53.4518389159895,6.<wbr>70385344490489 53.4518258837185,6.<wbr>70403192084473 53.4518116311342,6.<wbr>70422180022585 53.4517971457774,6.<wbr>70439291223837 53.4517842851066,6.<wbr>70454711566634 53.4517723010181,6.<wbr>70471605488684 53.4517578102464,6.<wbr>7048472212114 53.4517486117546,6.<wbr>70497795208799 53.4517379801422,6.<wbr>70514265524894 53.4517257546231,6.<wbr>70530756648328 53.4517144251894,6.<wbr>70545113023473 53.4517001122022,6.<wbr>70564892759997 53.4516864455109,6.<wbr>70564342535346 53.4516687372755,6.<wbr>70564546642434 53.4516685958728,6.<wbr>70564599978697 53.4516685619542,6.<wbr>70548788364455 53.4511299657172,6.<wbr>70530075453925 53.450418758931,6.<wbr>7051253659275 53.4497742113231,6.<wbr>70438247619231 53.4498462377391,6.<wbr>70455723142757 53.4504884349678,6.<wbr>70474536953579 53.4512035406851,6.<wbr>70477294426847 53.4512975908451,6.<wbr>70476288937158 53.4512985994132,6.<wbr>70476389706148 53.4513020030265,6.<wbr>70475579019173 53.4513027207101,6.<wbr>70461864583087 53.4513123079874,6.<wbr>70444223153925 53.4513274464925,6.<wbr>70429850979809 53.4513385430701,6.<wbr>70412669416649 53.4513514742178,6.<wbr>70393415835727 53.4513661592132,6.<wbr>70375260781757 53.4513807238371,6.<wbr>70359253518885 53.4513937055923,6.<wbr>70359253794383 53.451393795421,6.<wbr>70342659078827 53.4514066614349,6.<wbr>70342658803364 53.4514065716061,6.<wbr>7033143905099 53.4514148064969,6.<wbr>70311426497734 53.4506909337095,6.<wbr>70290959489771 53.4499315259912,6.<wbr>70216668831253 53.4500028961737))'),4326));</div><div><br></div><div>create table mybuffer as (select st_buffer(st_snaptogrid(st_<wbr>union(geom),1E-6),0) as geom from myinput);</div><div>create table mybuffer_alt as (select st_union(geom) as geom from (select st_snaptogrid(geom,1E-6) as geom from myinput) as foo);</div><div><div class="h5"><div><br></div><br><div><blockquote type="cite"><div>Op 24 jan. 2017, om 17:29 heeft Raymond Nijssen <<a href="mailto:r.nijssen@terglobo.nl" target="_blank">r.nijssen@terglobo.nl</a>> het volgende geschreven:</div><br class="m_-144342971400838984Apple-interchange-newline"><div><span style="font-family:Helvetica;font-size:12px;font-style:normal;font-variant-caps:normal;font-weight:normal;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;float:none;display:inline!important">Hoi Paul,</span><br style="font-family:Helvetica;font-size:12px;font-style:normal;font-variant-caps:normal;font-weight:normal;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px"><br style="font-family:Helvetica;font-size:12px;font-style:normal;font-variant-caps:normal;font-weight:normal;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px"><span style="font-family:Helvetica;font-size:12px;font-style:normal;font-variant-caps:normal;font-weight:normal;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;float:none;display:inline!important">Misschien helpt het om je coordinaten af te ronden, bijvoorbeeld op de mm? Als ze heel dicht bij elkaar liggen, maar net niet op elkaar, dan kan dat helpen.</span><br style="font-family:Helvetica;font-size:12px;font-style:normal;font-variant-caps:normal;font-weight:normal;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px"><br style="font-family:Helvetica;font-size:12px;font-style:normal;font-variant-caps:normal;font-weight:normal;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px"><a href="http://postgis.net/docs/manual-2.0/ST_SnapToGrid.html" style="font-family:Helvetica;font-size:12px;font-style:normal;font-variant-caps:normal;font-weight:normal;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px" target="_blank">http://postgis.net/docs/<wbr>manual-2.0/ST_SnapToGrid.html</a><br style="font-family:Helvetica;font-size:12px;font-style:normal;font-variant-caps:normal;font-weight:normal;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px"><br style="font-family:Helvetica;font-size:12px;font-style:normal;font-variant-caps:normal;font-weight:normal;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px"><span style="font-family:Helvetica;font-size:12px;font-style:normal;font-variant-caps:normal;font-weight:normal;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;float:none;display:inline!important">Een andere (lelijke maar snelle) oplossing is een buffer van bijvoorbeeld 1 mm. Eventueel gevolgd door een buffer van -1 mm.</span><br style="font-family:Helvetica;font-size:12px;font-style:normal;font-variant-caps:normal;font-weight:normal;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px"><br style="font-family:Helvetica;font-size:12px;font-style:normal;font-variant-caps:normal;font-weight:normal;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px"><span style="font-family:Helvetica;font-size:12px;font-style:normal;font-variant-caps:normal;font-weight:normal;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;float:none;display:inline!important">Succes,</span><br style="font-family:Helvetica;font-size:12px;font-style:normal;font-variant-caps:normal;font-weight:normal;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px"><span style="font-family:Helvetica;font-size:12px;font-style:normal;font-variant-caps:normal;font-weight:normal;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;float:none;display:inline!important">Raymond</span><br style="font-family:Helvetica;font-size:12px;font-style:normal;font-variant-caps:normal;font-weight:normal;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px"><br style="font-family:Helvetica;font-size:12px;font-style:normal;font-variant-caps:normal;font-weight:normal;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px"><br style="font-family:Helvetica;font-size:12px;font-style:normal;font-variant-caps:normal;font-weight:normal;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px"><br style="font-family:Helvetica;font-size:12px;font-style:normal;font-variant-caps:normal;font-weight:normal;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px"><span style="font-family:Helvetica;font-size:12px;font-style:normal;font-variant-caps:normal;font-weight:normal;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;float:none;display:inline!important">On 24-01-17 14:46, Paul Meems wrote:</span><br style="font-family:Helvetica;font-size:12px;font-style:normal;font-variant-caps:normal;font-weight:normal;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px"><blockquote type="cite" style="font-family:Helvetica;font-size:12px;font-style:normal;font-variant-caps:normal;font-weight:normal;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px">Ik zit weer te prutsen met het samenvoegen van twee polygons.<br>Ik probeer het te doen in PostGIS.<br>Dit is mijn input:<br>Inline afbeelding 1<br><br>En dit is mijn output:<br>Inline afbeelding 2<br><br>Het probleem zit in de extra lijnen.<br>Ik heb al van alles geprobeerd: buffers, boundaries, convex hull, maar<br>ik krijg die lijntjes er niet uit. Ik gebruik ST_Union() om de twee<br>polygonen samen te voegen.<br><br>Heeft iemand van jullie nog een idee?<br>Uiteindelijk moet de workflow zo generiek zijn dat ik er een functie van<br>kan maken en dat die praktisch altijd goed werkt.<br><br>Hier de WKT van de polygonen:<br>POLYGON ((6.70283302429327 53.4467145756907,6.<wbr>70412357411507<br>53.4513517103932,6.<wbr>70412669569593 53.4513514723055,6.<wbr>70429851132755<br>53.4513385411578,6.<wbr>7044422330687 53.4513274445802,6.<wbr>70461864736033<br>53.4513123060751,6.<wbr>70475579172119 53.4513027187978,6.<wbr>70476389859094<br>53.4513020011143,6.<wbr>70476289090104 53.4512985975009,6.<wbr>70477294579793<br>53.4512975889328,6.<wbr>70474537106525 53.4512035387728,6.<wbr>70455723295698<br>53.4504884330555,6.<wbr>7043824777217 53.4498462358267,6.<wbr>70512536745689<br>53.4497742094107,6.<wbr>70428982930307 53.446703357341,6.<wbr>7043321605017<br>53.4466987452127,6.<wbr>70433703248029 53.4466992007631,6.<wbr>70432438136483<br>53.4466458505585,6.<wbr>70433730796039 53.4466358808802,6.<wbr>70432238314636<br>53.4466281870423,6.<wbr>70432596765171 53.4466425454975,6.<wbr>70428238531335<br>53.4466413315959,6.<wbr>70427217766495 53.4466426001478,6.<wbr>70427193191188<br>53.4466416424673,6.<wbr>7042538801134 53.4466370773315,6.<wbr>7040655917783<br>53.446652513779,6.<wbr>7039683797411 53.4466572551553,6.<wbr>70394919628077<br>53.4466585487938,6.<wbr>7037460705535 53.4466688385238,6.<wbr>70364650941673<br>53.4466709724489,6.<wbr>70349871347846 53.4466802526576,6.<wbr>7033660799956<br>53.4466877405564,6.<wbr>70334054582875 53.446689380932,6.<wbr>70317058220084<br>53.4466979897682,6.<wbr>70283302429327 53.4467145756907))<br><br>POLYGON ((6.70216668831253 53.4500028961737,6.<wbr>70237193062649<br>53.4507641096395,6.<wbr>70268318691148 53.4518899639785,6.<wbr>70268945925671<br>53.4519200060297,6.<wbr>70285955962013 53.4519046223288,6.<wbr>70303222228794<br>53.451889284531,6.<wbr>70318159368258 53.4518787567758,6.<wbr>70334811795126<br>53.4518650131825,6.<wbr>70351871454753 53.4518525098384,6.<wbr>70369451629033<br>53.4518389159895,6.<wbr>70385344490489 53.4518258837185,6.<wbr>70403192084473<br>53.4518116311342,6.<wbr>70422180022585 53.4517971457774,6.<wbr>70439291223837<br>53.4517842851066,6.<wbr>70454711566634 53.4517723010181,6.<wbr>70471605488684<br>53.4517578102464,6.<wbr>7048472212114 53.4517486117546,6.<wbr>70497795208799<br>53.4517379801422,6.<wbr>70514265524894 53.4517257546231,6.<wbr>70530756648328<br>53.4517144251894,6.<wbr>70545113023473 53.4517001122022,6.<wbr>70564892759997<br>53.4516864455109,6.<wbr>70564342535346 53.4516687372755,6.<wbr>70564546642434<br>53.4516685958728,6.<wbr>70564599978697 53.4516685619542,6.<wbr>70548788364455<br>53.4511299657172,6.<wbr>70530075453925 53.450418758931,6.<wbr>7051253659275<br>53.4497742113231,6.<wbr>70438247619231 53.4498462377391,6.<wbr>70455723142757<br>53.4504884349678,6.<wbr>70474536953579 53.4512035406851,6.<wbr>70477294426847<br>53.4512975908451,6.<wbr>70476288937158 53.4512985994132,6.<wbr>70476389706148<br>53.4513020030265,6.<wbr>70475579019173 53.4513027207101,6.<wbr>70461864583087<br>53.4513123079874,6.<wbr>70444223153925 53.4513274464925,6.<wbr>70429850979809<br>53.4513385430701,6.<wbr>70412669416649 53.4513514742178,6.<wbr>70393415835727<br>53.4513661592132,6.<wbr>70375260781757 53.4513807238371,6.<wbr>70359253518885<br>53.4513937055923,6.<wbr>70359253794383 53.451393795421,6.<wbr>70342659078827<br>53.4514066614349,6.<wbr>70342658803364 53.4514065716061,6.<wbr>7033143905099<br>53.4514148064969,6.<wbr>70311426497734 53.4506909337095,6.<wbr>70290959489771<br>53.4499315259912,6.<wbr>70216668831253 53.4500028961737))<br><br><br><br><br>Met vriendelijke groet,<br><br>Paul<br><br>*<br>*<br><br><br>TopX Geo-ICT <<a href="http://www.topx-geo-ict.nl/" target="_blank">http://www.topx-geo-ict.nl</a>><br><br><span class="m_-144342971400838984Apple-tab-span" style="white-space:pre-wrap"> </span><br><br>Paul Meems<br>Senior GIS consultant<br>06-53989481<br><br>Wij bieden ondersteuning voor MapWindow GIS <<a href="http://www.mapwindow.org/" target="_blank">http://www.mapwindow.org/</a>><br><br>Download the latest MapWinGIS mapping engine.<br><<a href="https://github.com/MapWindow/MapWinGIS/releases" target="_blank">https://github.com/MapWindow/<wbr>MapWinGIS/releases</a>><br><br>Download the latest MapWindow 5 open source desktop application.<br><<a href="https://github.com/MapWindow/MapWindow5/releases" target="_blank">https://github.com/MapWindow/<wbr>MapWindow5/releases</a>><br><br><br><br><br>______________________________<wbr>_________________<br>Dutch mailing list<br><a href="mailto:Dutch@lists.osgeo.org" target="_blank">Dutch@lists.osgeo.org</a><br><a href="https://lists.osgeo.org/mailman/listinfo/dutch" 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