<html><head><meta http-equiv="content-type" content="text/html; charset=utf-8"></head><body dir="auto"><div dir="ltr"></div><div dir="ltr">Hi,</div><div dir="ltr"><br></div><div dir="ltr">I am intrigued by how you are doing things but not sure I completely understand your method. If you can send me test file with a project, I could test on my end to see if I can replicate the bug. I must admit thought that this will take time on your end and the end result might just be that we have the same problem and no solution.</div><div dir="ltr"><br></div><div dir="ltr">Can filtering the file in the layer panel (you can fight click and create a filter there) with the “Y” present change anything?</div><div dir="ltr"><br></div><div dir="ltr">Nicolas</div><div dir="ltr"><br>Le 25 mai 2019 à 05:36, Peter Cornelissen <<a href="mailto:peter@cornelissen.org.uk">peter@cornelissen.org.uk</a>> a écrit :<br><br></div><blockquote type="cite"><div dir="ltr">
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Hi</div>
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I see what you mean and I have used it this way on other occasions, but unfortunately it doesn't help with my situation. I have fields Plan1801, Plan1802, Plan1803 etc and each line or polygon can be on any number of plans. So, I use the 'Y' present in the
field to enable its visibility when that plan is displayed and I use the layer name and then the attribute to reference the relevant field in the style.</div>
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Peter<br>
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<div id="divRplyFwdMsg" dir="ltr"><font face="Calibri, sans-serif" style="font-size:11pt" color="#000000"><b>From:</b> Nicolas Cadieux <<a href="mailto:nicolas.cadieux@archeotec.ca">nicolas.cadieux@archeotec.ca</a>><br>
<b>Sent:</b> 24 May 2019 20:09<br>
<b>To:</b> Peter Cornelissen<br>
<b>Cc:</b> <a href="mailto:qgis-user@lists.osgeo.org">qgis-user@lists.osgeo.org</a><br>
<b>Subject:</b> Re: [Qgis-user] Vertex tool not working on lines when style with 'attribute' assigned</font>
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<div dir="ltr">Hi,</div>
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<div dir="ltr">Open the field calculator. By default, you will have « create a new field ». Select « create virtual field » and use the attribute there. The virtual will be updated on the fly and is part of the project file. If you export the file, it will
be saved as a true field in the Shape file (or what ever format you are using). </div>
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<div dir="ltr">Nicolas</div>
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Le 24 mai 2019 à 14:31, Peter Cornelissen <<a href="mailto:peter@cornelissen.org.uk">peter@cornelissen.org.uk</a>> a écrit :<br>
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Hi</div>
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I have reported it as a bug, but as yet no resolution or acknowledgement that it is a bug. I was offered possible solutions but in the end it was not really answering the problem I have and since then it is just there as an open issue.</div>
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I'm not really at a level to be quite sure what you mean by using a 'virtual' field, could you please explain? The attribute method I am using was a solution given to me by someone else and as I say it worked fine when first used in version 2.8.</div>
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Peter</div>
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<div id="x_divRplyFwdMsg" dir="ltr"><font face="Calibri, sans-serif" color="#000000" style="font-size:11pt"><b>From:</b> Nicolas Cadieux <<a href="mailto:nicolas.cadieux@archeotec.ca">nicolas.cadieux@archeotec.ca</a>><br>
<b>Sent:</b> 24 May 2019 18:04<br>
<b>To:</b> Peter Cornelissen<br>
<b>Cc:</b> <a href="mailto:qgis-user@lists.osgeo.org">qgis-user@lists.osgeo.org</a><br>
<b>Subject:</b> Re: [Qgis-user] Vertex tool not working on lines when style with 'attribute' assigned</font>
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<div dir="ltr">Hi,</div>
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<div dir="ltr">This looks like a good bug report! I would do one. Have you tried making a virtual field with the attributes? This way, you can query two fields and not an attribute and a field. The end result would be the same but perhaps, without a bug...
I have been doing that with no trouble for a couples of weeks now for a project. Never tried doing it your way exactly.</div>
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<div dir="ltr">Nicolas</div>
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Le 24 mai 2019 à 06:35, Peter Cornelissen <<a href="mailto:peter@cornelissen.org.uk">peter@cornelissen.org.uk</a>> a écrit :<br>
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Has anyone else come across this?</div>
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Personally I think this is a bug or possibly something wrong with my installation, but I've not had any confirmation from the QGIS team.</div>
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If I have a styled line or polygon and use the 'attribute' expression in the filter, then once the shapefile has been saved, closed and then re-opened, then the vertex editor does not work and I cannot edit any of the lines or polygons in the shapefile and
the only way I can is to open the same shapefile without a style of with one not using attribute in the filter. I use the same shapefile numerous times and use the layer name to display specific lines as relevant to that layer.<font style="background-color:rgb(255,255,255)">
E.g.<span style="border-bottom-color:currentColor; border-left-color:currentColor; border-right-color:currentColor; border-top-color:currentColor; display:inline; font-size-adjust:none; margin-bottom:0px; margin-top:0px"> the table has a field called Plan1801,
so the layer name starts Plan1801. An example of the style is: </span><span style="border-bottom-color:currentColor; border-left-color:currentColor; border-right-color:currentColor; border-top-color:currentColor; display:inline; font-size-adjust:none; margin-bottom:0px; margin-top:0px">attribute($currentfeature,
left(@layer_name,8)) = 'Y' AND Type = 'Chalk'), so if a record in the shapefile table has a 'Y' in the Plan1801 column and 'Chalk' in the type column it will display as that style. If I change the style to Plan1801 ='Y' AND Type = 'Chalk' the vertex editor
works fine.</span></font></div>
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There maybe another way around this, but there are approx. 20 different styles for the lines and a similar number for the polygons used in each layer and getting on for 30 layers (and growing) using it so I do not want to have create dedicated styles for each
layer or have a separate shapefile for each layer. If there is, I have not as yet found one.</div>
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Any help would be appreciated.</div>
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I am now using version 3.6.3, but the problem has been there at least since 3.6.0, possibly earlier (not there in the old node editor in 2.8, but I know that was a completely different beast).</div>
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Peter Cornelissen</div>
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