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Hi,<br>
<br>
Note that, if you work on QGIS 2.8, getFeature() and attribute() are
already part of core - no need to install a plugin.<br>
<br>
However, there may be a quite negative impact on performance, if you
include such functions in your symbology impressions. So use them
with care, only if you really need them!<br>
<br>
Andreas<br>
<br>
<div class="moz-cite-prefix">On 26.03.2015 16:10, Matteo Ghetta
wrote:<br>
</div>
<blockquote
cite="mid:CAMMN2u1WqgZeCUoo5ToPd3Q8SyZH6+EZbvsAnWYsz-P0+k1_Bg@mail.gmail.com"
type="cite">
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<div>sorry... plugin installed... <br>
</div>
I see all the functions in the field calculator but do you
have a small and quick example of what I am looking for?<br>
</div>
I don't understand the function to use..<br>
<br>
</div>
Thanks!<br>
<br>
</div>
Matteo<br>
</div>
<div class="gmail_extra"><br>
<div class="gmail_quote">2015-03-25 19:11 GMT+01:00 Junior Delaz
<span dir="ltr"><<a moz-do-not-send="true"
href="mailto:delazj@gmail.com" target="_blank">delazj@gmail.com</a>></span>:<br>
<blockquote class="gmail_quote" style="margin:0 0 0
.8ex;border-left:1px #ccc solid;padding-left:1ex">
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<div>Hello,<br>
</div>
You may give a look to <i>getFeature</i> function
(combining or not with function like <i>attribute</i>
or spatial ones). There is also <i>RefFunctions</i>
plugin that may help to use values/fields of another
layer.<br>
</div>
But unfortunately, there is no list of such layers nor
their fields in the dialog. You need to write them
yourself and their values.<br>
</div>
<div class="gmail_extra"><br>
<div class="gmail_quote">
<div>
<div class="h5">2015-03-25 18:14 GMT+01:00 Matteo
Ghetta <span dir="ltr"><<a
moz-do-not-send="true"
href="mailto:matteo.ghetta@gmail.com"
target="_blank">matteo.ghetta@gmail.com</a>></span>:<br>
</div>
</div>
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.8ex;border-left:1px #ccc solid;padding-left:1ex">
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<div>
<div>Hi all,<br>
</div>
very simple question.<br>
</div>
In the rule-based classification
(vector) is it possible to use
values of another layer loaded in
QGIS?<br>
<br>
</div>
For example. Point vector and I want
to display as red each feature that
has a value greater than a value
stored in another point layer (or in a
table).<br>
</div>
In the expression builder there are the
fields of the active layer.<br>
<br>
</div>
Is it possible to call the fields of other
layers?<br>
<br>
</div>
Thanks<br>
<br>
</div>
Cheers<span><font color="#888888"><br>
<br>
</font></span></div>
<span><font color="#888888">Matteo<br>
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<div>
<div><br>
<br>
</div>
</div>
</div>
</div>
</div>
</font></span></div>
<br>
</div>
</div>
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<br>
</div>
</blockquote>
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<br>
</div>
<br>
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