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</o:shapelayout></xml><![endif]--></head><body lang=EN-GB link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span style='font-family:"Calibri","sans-serif";color:#1F497D'>Hi Andreas<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-family:"Calibri","sans-serif";color:#1F497D'>In the layer properties->source tab if I delete the .shx file the option <b>Create Spatial Index</b> is grey’d out. If the .shx file exists the same button is marked <b>Spatial Index Exists</b> and is again grey’d out.<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-family:"Arial","sans-serif";color:#0070C0'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-family:"Arial","sans-serif";color:blue'>Andrew<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><b><span lang=EN-US style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span lang=EN-US style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> Andreas Neumann [mailto:andreas@qgis.org] <br><b>Sent:</b> 28 November 2024 17:15<br><b>To:</b> Andrew Chapman<br><b>Cc:</b> qgis-user@lists.osgeo.org<br><b>Subject:</b> Re: [Qgis-user] Shapefile symbology no longer working when zoom in<o:p></o:p></span></p><p class=MsoNormal><o:p> </o:p></p><div><div><p class=MsoNormal>Hi Andrew,<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>Maybe it is worth a try to recreate the spatial index? Maybe it has defects or is incompatible. Just remove the .shx files and recreate them with QGIS in the layer properties --> Source tab.<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>Maybe it helps,<o:p></o:p></p></div><div><p class=MsoNormal>Andreas<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div></div><p class=MsoNormal><o:p> </o:p></p><div><div><p class=MsoNormal>On Thu, 28 Nov 2024 at 18:05, Andrew Chapman via QGIS-User <<a href="mailto:qgis-user@lists.osgeo.org">qgis-user@lists.osgeo.org</a>> wrote:<o:p></o:p></p></div><blockquote style='border:none;border-left:solid #CCCCCC 1.0pt;padding:0cm 0cm 0cm 6.0pt;margin-left:4.8pt;margin-right:0cm'><div><div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='color:#1F497D'>Hi</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='color:#1F497D'> </span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='color:#1F497D'>My first thought has been Scale Dependant Visibility but I confirmed that it was off. However, text displays ok when I zoom in but the symbology lines or points vanish – I don’t think one could do this with SDV without two instances of the same layer and different styling.</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='color:#1F497D'> </span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='color:#1F497D'>The suggestion of trying an earlier version of QGIS may be worth investigating. I’m returning to QGIS now because we’ve had very bad flooding (again) but I haven’t been involved for the last five years due to health issues. A wrecked computer and finding that all the backups hadn’t been 100% is rather complicating matters.</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='color:#1F497D'> </span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='color:#1F497D'>I’ve found old QGIS setup exe files from 2013 and 2014 which I haven’t tried to run yet as I’m not sure if they would load an earlier version in parallel with my later version. </span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='color:#1F497D'> </span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='color:#1F497D'>Also, as the problem is associated with shapefiles, are there any suggestions as to how then could be “sanitised”? It seems the problem files are layers that I have created with earlier versions of QGIS while similar aged ones that I’ve downloaded from Ordinance Survey work fine.</span><o:p></o:p></p><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-family:"Arial","sans-serif";color:#0070C0'> </span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-family:"Arial","sans-serif";color:blue'>Andrew</span><o:p></o:p></p></div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='color:#1F497D'> </span><o:p></o:p></p><div><div style='border:none;border-top:solid windowtext 1.0pt;padding:3.0pt 0cm 0cm 0cm;border-color:currentcolor currentcolor'><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><b><span lang=EN-US style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span lang=EN-US style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> Karl Magnus Jönsson [mailto:<a href="mailto:Karl-Magnus.Jonsson@kristianstad.se" target="_blank">Karl-Magnus.Jonsson@kristianstad.se</a>] <br><b>Sent:</b> 28 November 2024 14:59<br><b>To:</b> Richard McDonnell; Andrew Chapman; <a href="mailto:qgis-user@lists.osgeo.org" target="_blank">qgis-user@lists.osgeo.org</a><br><b>Subject:</b> Sv: [Qgis-user] Shapefile symbology no longer working when zoom in</span><o:p></o:p></p></div></div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=SV style='font-family:Aptos'>Hi!</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-family:Aptos'>Which old version are you migrating from? Could be worth trying some intermediate version of QGIS. Open and save and then go to 3.40.</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-family:Aptos'> </span><o:p></o:p></p><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=SV style='font-size:10.0pt;font-family:"Franklin Gothic Book","sans-serif";color:black'>Kind regards</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><b><span lang=SV style='font-size:10.0pt;font-family:"Franklin Gothic Book","sans-serif";color:black'> </span></b><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><b><span lang=SV style='font-size:10.0pt;font-family:"Franklin Gothic Book","sans-serif";color:black'>Karl-Magnus Jönsson</span></b><o:p></o:p></p></div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=SV style='font-family:Aptos'> </span><o:p></o:p></p><div><div style='border:none;border-top:solid windowtext 1.0pt;padding:3.0pt 0cm 0cm 0cm;border-color:currentcolor currentcolor'><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><b><span lang=SV>Från:</span></b><span lang=SV> QGIS-User <<a href="mailto:qgis-user-bounces@lists.osgeo.org" target="_blank">qgis-user-bounces@lists.osgeo.org</a>> <b>För </b>Richard McDonnell via QGIS-User<br><b>Skickat:</b> den 28 november 2024 15:07<br><b>Till:</b> Andrew Chapman <<a href="mailto:andrew.chapman@donkagen.co.uk" target="_blank">andrew.chapman@donkagen.co.uk</a>>; <a href="mailto:qgis-user@lists.osgeo.org" target="_blank">qgis-user@lists.osgeo.org</a><br><b>Ämne:</b> Re: [Qgis-user] Shapefile symbology no longer working when zoom in</span><o:p></o:p></p></div></div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=SV> </span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-IE style='color:#1F497D'>Hi Andrew, </span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-IE style='color:#1F497D'>Sounds like you have set <b>Scale Dependant Visibility</b>, setting a <b>Min</b> or <b>Max Scale</b> in the <b>Symbology</b> or <b>Rendering</b> on the <b>Layer Properties</b></span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-IE style='color:#1F497D'>That would be my first port of call anyway.</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-IE style='color:#1F497D'>Kind Regard’s,</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-IE style='color:#1F497D'> </span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-IE style='color:#1F497D'>Richard</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-IE style='color:#1F497D'> </span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-IE style='color:#1F497D'> </span><o:p></o:p></p><table class=MsoNormalTable border=0 cellspacing=0 cellpadding=0 width=750 style='width:375.0pt'><tr><td width=750 style='width:375.0pt;padding:0cm 0cm 4.5pt 0cm'><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;line-height:11.25pt'><b><span style='font-size:9.0pt;font-family:"Arial","sans-serif";color:#004D44'><br>——</span></b><span style='font-size:9.0pt;font-family:"Arial","sans-serif";color:#004D44'><br><b>Richard McDonnell MSc GIS, FME Certified Professional</b><br><i>Flood Risk Management - Data Management</i><br><br>——<br><b>Oifig na nOibreacha Poiblí</b><br>Office of Public Works<br><br></span><b><span style='font-size:9.0pt;font-family:"Arial","sans-serif";color:#565148'>Sráid Jonathan Swift, Baile Átha Troim, Co na Mí, C15 NX36 </span></b><span style='font-size:9.0pt;font-family:"Arial","sans-serif";color:#004D44'><br></span><span style='font-size:9.0pt;font-family:"Arial","sans-serif";color:#565148'>Jonathan Swift Street, Trim, Co Meath, C15 NX36</span><span style='font-size:9.0pt;font-family:"Arial","sans-serif";color:#004D44'><br></span><span style='font-size:9.0pt;font-family:"Arial","sans-serif";color:#565148'>——</span><span style='font-size:9.0pt;font-family:"Arial","sans-serif";color:#004D44'><br></span><span style='font-size:9.0pt;font-family:"Arial","sans-serif";color:#565148'>M +353 87 688 5964 T +353 46 942 2409</span><span style='font-size:9.0pt;font-family:"Arial","sans-serif";color:#004D44'><br><a href="https://gov.ie/opw" target="_blank">https://gov.ie/opw</a><br><br>——<br>To send me files larger than 30MB, please use the link below <a href="https://filetransfer.opw.ie/filedrop/richard.mcdonnell@opw.ie" target="_blank">https://filetransfer.opw.ie/filedrop/richard.mcdonnell@opw.ie</a><br><br>Email Disclaimer: <a href="https://www.gov.ie/en/organisation-information/439daf-email-disclaimer/" target="_blank">https://www.gov.ie/en/organisation-information/439daf-email-disclaimer/</a> </span><o:p></o:p></p></td></tr></table><div style='border:none;border-left:solid windowtext 1.5pt;padding:0cm 0cm 0cm 4.0pt;border-color:currentcolor currentcolor currentcolor blue'><div><div style='border:none;border-top:solid windowtext 1.0pt;padding:3.0pt 0cm 0cm 0cm;border-color:currentcolor currentcolor'><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><b><span lang=EN-US>From:</span></b><span lang=EN-US> QGIS-User <<a href="mailto:qgis-user-bounces@lists.osgeo.org" target="_blank">qgis-user-bounces@lists.osgeo.org</a>> <b>On Behalf Of </b>Andrew Chapman via QGIS-User<br><b>Sent:</b> 28 November 2024 13:38<br><b>To:</b> <a href="mailto:qgis-user@lists.osgeo.org" target="_blank">qgis-user@lists.osgeo.org</a><br><b>Subject:</b> [Qgis-user] Shapefile symbology no longer working when zoom in</span><o:p></o:p></p></div></div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-IE> </span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='color:#548DD4'>I’ve not used QGIS for a number of years and now returned to version 3.34.0. With projects that worked ok with earlier versions I find that some shapefiles now only partially work when I zoom in. Text labels continue to work but sybology markers (point and line) vanish when I zoom to scales below about 1:10000.</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='color:#548DD4'> </span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='color:#548DD4'>I’ve tried Vector->Geometry Tools->Check Validity but the problem still exists.</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='color:#548DD4'> </span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='color:#548DD4'>Any suggestions?</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='color:#548DD4'> </span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-family:"Arial","sans-serif";color:#0070C0'> </span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-family:"Arial","sans-serif";color:blue'>Andrew Chapman</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:blue'> </span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p></div></div></div><p class=MsoNormal>_______________________________________________<br>QGIS-User mailing list<br><a href="mailto:QGIS-User@lists.osgeo.org" target="_blank">QGIS-User@lists.osgeo.org</a><br>List info: <a href="https://lists.osgeo.org/mailman/listinfo/qgis-user" target="_blank">https://lists.osgeo.org/mailman/listinfo/qgis-user</a><br>Unsubscribe: <a href="https://lists.osgeo.org/mailman/listinfo/qgis-user" target="_blank">https://lists.osgeo.org/mailman/listinfo/qgis-user</a><o:p></o:p></p></div></blockquote></div><div><p class=MsoNormal><br clear=all><o:p></o:p></p></div><p class=MsoNormal><br><span class=gmailsignatureprefix>-- </span><o:p></o:p></p><div><div><div><p class=MsoNormal><br>--<br>Andreas Neumann<o:p></o:p></p></div><p class=MsoNormal><a href="http://QGIS.ORG" target="_blank">QGIS.ORG</a> board member (treasurer)<o:p></o:p></p></div></div></div></body></html>