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<div class="moz-cite-prefix">On 05/16/2016 01:24 PM, Janneke van
Dijk wrote:<br>
</div>
<blockquote cite="mid:5739ADF8.1060406@gmail.com" type="cite">Dear
list,
<br>
<br>
In a polygon shapefile I'm seeing inconstistent behaviour in
virtual fields. The attached project and shapefile has reduced it
to it's simplest form: the shapefile contains two virtual fields,
the first one containing the expression 1 (integer) and the second
the expression 2 (integer). However, when I want to edit the
expression for the fields, the first field does not give a
problem. For the second field I click on the 'expression' to open
the expression builder, but the expression shown in the expression
builder equals 1. I have not been able to find any pattern in when
it happens/for what type of expressions. This example is the most
simple form of the unexpected behaviour, but I have seen it with
more complicated expressions as well. Sometimes after trying to
edit one of these 'erratic' expressions QGIS closes with a
minidump being written error message. Again, not always.
<br>
<br>
Anyone have any idea why this might happen and how to work around
it?
<br>
</blockquote>
Fixed in master<br>
<blockquote cite="mid:5739ADF8.1060406@gmail.com" type="cite">
<br>
Looking forward to some thoughts...
<br>
Janneke
<br>
<br>
<br>
On 13/05/2016 11:36, Nyall Dawson wrote:
<br>
<blockquote type="cite">On 13 May 2016 at 17:53, Janneke van
Dijk<a class="moz-txt-link-rfc2396E" href="mailto:janneke.qgis@gmail.com"><janneke.qgis@gmail.com></a> wrote:
<br>
<blockquote type="cite">Dear list,
<br>
<br>
Using QGIS 2.14.2 on Windows 7 I get the following error
message when
<br>
zooming out on a shapefile layer that has labels switched on:
<br>
<br>
GEOS
<br>
Exception: IllegalArgumentException: Invalid number of points
in LinearRing
<br>
found 3 - must be 0 or >= 4
<br>
<br>
It seems to be an old bug (<a class="moz-txt-link-freetext" href="https://hub.qgis.org/issues/9375">https://hub.qgis.org/issues/9375</a>)
that was fixed
<br>
2 years ago.
<br>
<br>
It doesn't seem to cause any problems otherwise. Anyone else
have this
<br>
issue? Should I file a new bug report?
<br>
</blockquote>
Hi Janneke,
<br>
<br>
Best thing to do is file an issue athttp://hub.qgis.org/issues
with a
<br>
copy of your data + sample project. If you do that this bug
should be
<br>
easy for us to squash!
<br>
<br>
Thanks,
<br>
Nyall
<br>
<br>
<br>
<blockquote type="cite">Regards,
<br>
Janneke
<br>
<br>
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<br>
<pre class="moz-signature" cols="72">--
Matthias Kuhn
OPENGIS.ch - <a class="moz-txt-link-freetext" href="https://www.opengis.ch">https://www.opengis.ch</a>
Spatial • (Q)GIS • PostGIS • Open Source</pre>
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