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<body><div>Hi,</div><div>when setting filters to a layer (Properties -> General -> Provider feature filter), it becomes uneditable by default.</div><div>If you like to filter data and go on working with the result, you better not use the filter, but use the "Select by expression"-button (the yellow square with the curvy E in the Attributes Toolbar.</div><div>Apply the same query there as you used for the filter, but then save the selection to a new shapefile e.g.</div><div><br></div><div>In case you just like to filter out other data cause it is disturbing while working with the attributes table, you could apply the query there (left-down corner -> Advanced Filter (Expression) to just show the subset, while keeping all features of the layer.</div><div><br></div><div>Hope I caught your use case</div><div>Bernd</div><div><br></div><div>Am 29.02.2016, 21:27 Uhr, schrieb Roy Marsh <roymarsh11@gmail.com>:<br></div><br><blockquote style="margin: 0 0 0.80ex; border-left: #0000FF 2px solid; padding-left: 1ex"><div dir="ltr"><div>Hi,</div><div><br></div><div>I am relatively inexperienced with QGIS though I have used some of the features a lot.</div><div><br></div><div>While working through the online training manual with QGIS 2.12, I found that, after filtering the shape files extracted from the OSM exercise data, the 'toggle editing' button was greyed out, and there seemed to be no way to re-activate editing. However, shape files imported directly into QGIS do not have this problem.</div><div><br></div><div>I have seen related comments in other places and apologise for the inconvenience if this is a well-known problem, with an easy fix. So how do I fix it?</div><div><br></div><div>Thanks</div><div><br></div><div>Roy</div></div>
</blockquote><br><br><br><div id="M2Signature"><div>-- </div><div>Bernd Vogelgesang<br>Siedlerstraße 2<br>91083 Baiersdorf/Igelsdorf<br>Tel: 09133-825374</div></div></body></html>