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<p class="MsoNormal"><span lang="EN-US">Hi, when I run this sql queries<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">CREATE TABLE merged AS( <o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">SELECT fname, the_geom FROM public."RST_1813_UTM31N_WE_D_R_Line"<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">UNION <o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">SELECT fname, the_geom FROM public."CTR_1813_UTM31N_WE_line");<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">UPDATE merged set the_geom = st_makevalid(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">CREATE INDEX gid ON merged USING GIST ( 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">SELECT Populate_Geometry_Columns('merged'::regclass);<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 topology.CreateTopology('roads_topo', 32631, 1.001);<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 topology.AddTopoGeometryColumn('roads_topo', 'public', 'merged', 'topo_geom', 'LINESTRING');<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">UPDATE merged SET topo_geom = topology.toTopoGeom(the_geom, 'roads_topo', 1, 0.001);<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">CREATE TABLE public."roads_clean" AS (<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> SELECT fname, topo_geom::geometry FROM merged);<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 topology.DropTopoGeometryColumn('public', 'merged', 'topo_geom');<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">SELECT topology.DropTopology('roads_topo');<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 get the following error:<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: Error: SQL/MM Spatial exception - geometry crosses edge 8618 CONTEXT: PL/pgSQL-function topology.totopogeom(geometry,topology.topogeometry,double
precision) line 112 at FOR over SELECT-rows PL/pgSQL-function topology.totopogeom(geometry,character varying,integer,double precision) line 88 at assignment<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">The error appears at different edges when changing the tolerance on CreateTopology and toTopoGeom.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">I added the ST_makeValid function call on the input data without any success.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Does anyone know what I can do?<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Kind regards,<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Paul </span><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"><o:p> </o:p></span></p>
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