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<p class="MsoNormal"><span style="color:#1F497D">Thanks, Regina….<o:p></o:p></span></p>
<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal"><b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif"">Från:</span></b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif""> postgis-users [mailto:postgis-users-bounces@lists.osgeo.org]
<b>För </b>Regina Obe<br>
<b>Skickat:</b> den 23 december 2019 20:31<br>
<b>Till:</b> 'PostGIS Users Discussion'<br>
<b>Ämne:</b> Re: [postgis-users] can not get st_split to work.<o:p></o:p></span></p>
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<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><span lang="EN-US" style="color:#1F497D">I don’t see your blade CTE used at all and both a and b are roads which wouldn’t work with ST_Split, since the blade needs to be one dimension lower than the thing you are splitting.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:#1F497D">So the error you are getting “</span><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:#222222;background:white">Splitter line has linear intersection with input SQL state: XX000”
<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:#222222;background:white"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:#222222;background:white">Is because your intersection literally is returning a line instead a point.</span><span lang="EN-US" style="color:#1F497D"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:#1F497D"><o:p> </o:p></span></p>
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<p class="MsoNormal"><b><span lang="EN-US">From:</span></b><span lang="EN-US"> postgis-users [mailto:postgis-users-bounces@lists.osgeo.org]
<b>On Behalf Of </b>paul.malm@lfv.se<br>
<b>Sent:</b> Monday, December 23, 2019 2:52 AM<br>
<b>To:</b> postgis-users@lists.osgeo.org<br>
<b>Subject:</b> [postgis-users] can not get st_split to work.<o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Hi ,<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">I’ve created a point-table (point) where I would like to split the lines in table roads.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">SQL:<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">CREATE TABLE roads_splitted AS<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">WITH <o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">blade AS (SELECT ST_Collect(the_geom) AS the_geom FROM point)
<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">SELECT fid, (ST_Dump<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> (ST_Split(<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> a.the_geom, (SELECT ST_Collect(b.the_geom) AS geom FROM
<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> roads AS b WHERE ST_Intersects(a.the_geom, b.the_geom)<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> )<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> )<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> )).geom <o:p>
</o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">FROM roads AS a <o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">UNION ALL SELECT fid, the_geom FROM roads AS a
<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">WHERE NOT EXISTS (<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> SELECT 1 FROM point AS b WHERE ST_Intersects(a.the_geom, b.the_geom)<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">);<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">I’m getting this error message:<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:#222222;background:white">ERROR: Splitter line has linear intersection with input SQL state: XX000<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:#222222;background:white"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:#222222;background:white"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:#222222;background:white">Anyone who knows wat I’m doing wrong? Linear intersection with a point and a line?<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:#222222;background:white"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:#222222;background:white">Kind regards,<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:#222222;background:white">Paul</span><span lang="EN-US"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
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