<div dir="ltr">Bernd,<div>Thanks for the hint. <br><div>The % operator description in QGIS only says: <span style="color:rgb(0,0,0);font-family:"Lato,Ubuntu,Lucida Grande,Segoe UI,Arial,sans-serif";white-space:pre-wrap">Remainder of division</span></div><div><span style="white-space:pre-wrap">This has thrown me off in the past because I have tried to search for the Modulo in the expressions dialog and nothing came up. </span></div><div><span style="white-space:pre-wrap">I should probably request a change to add the </span>modulo term <span style="white-space:pre-wrap">at the QGIS </span>git hub<span style="white-space:pre-wrap">. </span></div><div><span style="white-space:pre-wrap"><br></span></div></div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Wed, Mar 3, 2021 at 1:45 PM Bernd Vogelgesang <<a href="mailto:bernd.vogelgesang@gmx.de">bernd.vogelgesang@gmx.de</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
<div>
<p>In case someone wants to google for the " % " later: it's called
modulo operator (damn, took me half an hour to remember that)</p>
<p><br>
</p>
<div>On 03.03.21 19:20, Sebastian Gutwein
wrote:<br>
</div>
<blockquote type="cite">
<pre>Sorry typo: "ELEV" :The attribute field that contains your elevation
On Wed, Mar 3, 2021 at 1:19 PM Sebastian Gutwein <a href="mailto:bas@rdgland.com" target="_blank"><bas@rdgland.com></a> wrote:
</pre>
<blockquote type="cite">
<pre>I use rule based styling with this expression for my 100m contour filter
rule:
"ELEV" % 100 = 0
And then another rule that has the Else selected.
The formula is:
"ELEV" :The attribute field that contains your label
% : The remainder from division
100 : the divider
= 0 : the remainder should equal zero.
This filters all the 100m contours.
On Wed, Mar 3, 2021 at 1:01 PM Azzurra Lentini <a href="mailto:azzurralentini@gmail.com" target="_blank"><azzurralentini@gmail.com></a>
wrote:
</pre>
<blockquote type="cite">
<pre>Hi to all,
I have extracted contours from a dtm raster 20 m resolution file and the
result is a vector file of contours with 20 m of interval between the
contours.
I would like to have two different symbols for these contours: for
example black colour and thickness 1 for the contours with interval of 100
m (0, 100, 200, 300 etc.) and grey colour and thickness 0.5 for the
contours 20, 40, 60, 80, 120, 140 .. etc.).
What can I do?
Normally I create another contours file only for the contours equidistant
100 m and I put a different symbol for the 2 layers.
Do you know other ways without the creation of another file?
maybe rule-based symbology?
Thank you, Azzurra
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