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    <p>Hi Sebastian</p>
    <p>If you don't use the flattened layer tree representation,
      duplication is currently expected. I cannot reproduce the errors
      when toggling layers with the latest master though (but I see them
      in your build), so I take you are not running the latest master?
      If so, try updating the qwc2 submodule.</p>
    <p>Best</p>
    <p>Sandro<br>
    </p>
    <div class="moz-cite-prefix">On 10.01.19 09:23, GOERKE Sebastian
      wrote:<br>
    </div>
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        <p class="MsoNormal"><span lang="EN-US">Dear list,<o:p></o:p></span></p>
        <p class="MsoNormal"><span lang="EN-US">we have successfully
            implemented a web GIS based on QWC2. Here you can find it:
            <a
              href="http://klimnet.geographie.ruhr-uni-bochum.de/webgis/"
              moz-do-not-send="true">http://klimnet.geographie.ruhr-uni-bochum.de/webgis/</a><o:p></o:p></span></p>
        <p class="MsoNormal"><span lang="EN-US">We are experiencing some
            strange behavior regarding the map compare functionality.
            For example: Turning layers on and off during activated
            comparison leads into a duplication of the layer tree and
            map compare ist not usable anymore in a senseful way until
            you update the application within the web browser. Any
            ideas?<o:p></o:p></span></p>
        <p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
        <p class="MsoNormal"><span lang="EN-US">Generally we are very
            happy with this web GIS based on QWC2. It was easy to
            customize as far as it was required.<o:p></o:p></span></p>
        <p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
        <p class="MsoNormal"><span lang="EN-US">Best regards<o:p></o:p></span></p>
        <p class="MsoNormal"><span lang="EN-US"><br>
            Sebastian<o:p></o:p></span></p>
        <p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
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                      </span></b><b><span
style="font-size:8.0pt;font-family:"Arial",sans-serif;color:black;mso-fareast-language:DE">Sebastian
                        GOERKE<o:p></o:p></span></b></p>
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                  <p class="MsoNormal"><span
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      <pre class="moz-quote-pre" wrap="">_______________________________________________
qgis-qwc2 mailing list
<a class="moz-txt-link-abbreviated" href="mailto:qgis-qwc2@lists.osgeo.org">qgis-qwc2@lists.osgeo.org</a>
<a class="moz-txt-link-freetext" href="https://lists.osgeo.org/mailman/listinfo/qgis-qwc2">https://lists.osgeo.org/mailman/listinfo/qgis-qwc2</a>
</pre>
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