<html><head></head><body><div style="color:#000; background-color:#fff; font-family:times new roman, new york, times, serif;font-size:16px">Did you try ST_MakeValid, and compare the before/after? Might provide some info.<br><div id="yui_3_16_0_1_1451316810776_8684"><br><span></span></div><div dir="ltr" id="yui_3_16_0_1_1451316810776_8698"><span id="yui_3_16_0_1_1451316810776_8719"><a id="yui_3_16_0_1_1451316810776_8717" href="http://postgis.org/documentation/manual-svn/ST_MakeValid.html">http://postgis.org/documentation/manual-svn/ST_MakeValid.html</a></span></div><div id="yui_3_16_0_1_1451316810776_8721" dir="ltr"><span id="yui_3_16_0_1_1451316810776_8719"></span></div><div id="yui_3_16_0_1_1451316810776_8683"> </div><div id="yui_3_16_0_1_1451316810776_8682" class="signature">If life gives you lemons, keep them-- because hey.. free lemons.
"~heart~ Sticker" fixer: http://microflush.org/stuff/stickers/heartFix.html</div><br> <div id="yui_3_16_0_1_1451316810776_8681" class="qtdSeparateBR"><br><br></div><div style="display: block;" id="yui_3_16_0_1_1451316810776_8631" class="yahoo_quoted"> <div id="yui_3_16_0_1_1451316810776_8630" style="font-family: times new roman, new york, times, serif; font-size: 16px;"> <div id="yui_3_16_0_1_1451316810776_8629" style="font-family: HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif; font-size: 16px;"> <div id="yui_3_16_0_1_1451316810776_8628" dir="ltr"> <font id="yui_3_16_0_1_1451316810776_8679" face="Arial" size="2"> <hr id="yui_3_16_0_1_1451316810776_8680" size="1"> <b><span style="font-weight:bold;">From:</span></b> Student Saedi <y.saedi@student.utwente.nl><br> <b><span style="font-weight: bold;">To:</span></b> postgis-users@lists.osgeo.org <br> <b><span style="font-weight: bold;">Sent:</span></b> Monday, December 28, 2015 4:16 AM<br> <b id="yui_3_16_0_1_1451316810776_8741"><span id="yui_3_16_0_1_1451316810776_8740" style="font-weight: bold;">Subject:</span></b> [postgis-users] Invalid Geometry<br> </font> </div> <div id="yui_3_16_0_1_1451316810776_8647" class="y_msg_container"><br><div id="yiv0162983666"><div id="yui_3_16_0_1_1451316810776_8646" dir="ltr"><div id="yui_3_16_0_1_1451316810776_8645">I'm using PostgreSQL 9.5 and during processing my 3D dataset I receive invalid geometry of polyhedral surfaces, although the geometry seems correct. The error is: too few points in geometry component. How can I fix this problem?</div><div id="yui_3_16_0_1_1451316810776_8678"><br></div><div id="yui_3_16_0_1_1451316810776_8649"><div id="yui_3_16_0_1_1451316810776_8648"><br></div><div id="yui_3_16_0_1_1451316810776_8742">SELECT st_isvalidreason(ST_geomfromtext('POLYGON Z ((445541.707540942 5444906.92146704 5.2,445541.707540942 5444906.92146704 3.69,445541.560237253 5444906.88199714 3.69,445541.560237253 5444906.88199714 5.2,445541.707540942 5444906.92146704 5.2))')) as valid</div><div id="yui_3_16_0_1_1451316810776_8743"><br></div><div id="yui_3_16_0_1_1451316810776_8744">Thanks </div></div></div></div><br>_______________________________________________<br>postgis-users mailing list<br><a ymailto="mailto:postgis-users@lists.osgeo.org" href="mailto:postgis-users@lists.osgeo.org">postgis-users@lists.osgeo.org</a><br><a id="yui_3_16_0_1_1451316810776_8746" href="http://lists.osgeo.org/mailman/listinfo/postgis-users" target="_blank">http://lists.osgeo.org/mailman/listinfo/postgis-users</a><br><br></div> </div> </div> </div></div></body></html>