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<p>Hi,</p>
<p>Can you try with QGIS Desktop and Server 3.10 ?<br>
</p>
<div class="moz-cite-prefix">Le 17/03/2021 à 16:41, Immo Blecher a
écrit :<br>
</div>
<blockquote type="cite"
cite="mid:a43460ea-5f75-8f06-73cd-8c1fbc00a7c7@blecher.co.za">
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<p>Hi All,<br>
</p>
<p>My Setup:</p>
<ol>
<li>Lizmap 3.4.0</li>
<li>QGIS Server 3.16</li>
<li>All on Linux Server (not sure which one, offsite)</li>
<li>All spatial and table data in PosgreSQL<br>
</li>
</ol>
<p>I had a Dataviz set up with a bar chart for monthly rainfall
[mm] to display in the popup by clicking on a rainfall station
on the map. First I only had 3 sites which worked fine. Then I
added another four sites and now the chart header briefly
flashes and disappears again.</p>
<p>The rainfall station table is the master and the rainfall
readings are in a detail table (1-N) with 4 fields...ID,
site_id, date, reading and the relation set up with the Rainfall
station table's site_id. The readings are 1 per month (monthly
rainfall), so in Dataviz the X is the date field and the Y is
the reading field. There are about 3700 readings (about 400 to
700 per site). Is there any limitation on that? Why did it work
with 3 sites and not with the seven? But now even when reverting
to the 3 sites it does not work any more. Is that a cache
problem? The detail table with the rainfall readings is ticked
in the WFS QGIS Server setup and the whole project is valid.<br>
</p>
<p>It seems to be a problem with the relation (maybe???), but in
QGIS info tool the relations show fine (the detail data is
there).</p>
<p>This is quite frustrating.</p>
<p>Regards<br>
</p>
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<strong><font color="#000000">Immo F. Blecher</font></strong><strong><font
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Street: </font></strong><em><font color="#808080">50
Lynedoch Eco Village, Lynedoch, Stellenbosch, 7603, South
Africa<br>
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color="#808080"><span style="font-style: normal"><b>Postal:</b></span></font></span></em><em><font
color="#808080"> PO Box 74, Lynedoch, 7603, South Africa<br>
</font></em><em><span style="font-variant: normal"><font
color="#808080"><span style="font-style: normal"><b>Cell:</b></span></font></span></em><em><font
color="#000000"> </font></em><font color="#808080">+27 83
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81 359 3704<br>
</font><font color="#808080"><b>Email:</b></font><font
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