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</o:shapelayout></xml><![endif]--></head><body lang=FR link="#0563C1" vlink="#954F72"><div class=WordSection1><p class=MsoNormal>Hi,<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><span lang=EN-GB>I have a point layer that contains several superposed nodes two, three times or more. I would like to display each group list and the number of item in each. I found this query which “works” but returns some false positive<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-GB><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-GB>select case when lag(o.geom) OVER (PARTITION BY o.geom) = o.geom then '' else 'x ' || o.nbre::text end,d.code from<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-GB>(select geom,count(*) as nbre from nodes group by geom having count(*) >1) as o,<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-GB> lateral (select * from nodes) as d where st_within(o.geom,d.geom)<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-GB><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-GB>I understand that false positives (yellow beneath) comes from “group by geom” which use a bounding box and catch close but not duplicated points.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-GB><o:p> </o:p></span></p><p class=MsoNormal><img width=90 height=191 style='width:.9416in;height:1.9916in' id="Image_x0020_1" src="cid:image003.jpg@01D30BD6.357C1EB0"><span lang=EN-GB><o:p></o:p></span></p><p class=MsoNormal><span lang=EN-GB><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-GB>I tried other solutions which all get too complicated with several “join of join”. I would appreciate if someone has an idea on the top of his/her head !<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-GB><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-GB>Thanks<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-GB><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-GB>Olivier<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-GB><o:p> </o:p></span></p></div></body></html>