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<p class=""><span class="">Dear all,</span></p>
<p class=""><span class="">I have a very annoying problem with my QGIS stand alone application since I upgraded to 2.6.</span></p>
<p class=""><span class="">It seems that the application can not create a coordinate reference system, and this is affecting my whole workflow.</span></p>
<p class=""><span class="">The script works perfectly inside the QGIS python console, but not in the stand alone mode.</span></p>
<p class=""><span class=""></span><br></p>
<p class=""><span class="">from qgis.core import *</span></p>
<p class=""><span class="">QgsApplication.setPrefixPath("/usr", True)</span></p>
<p class=""><span class="">QgsApplication.initQgis()</span></p>
<p class=""><span class="">app = QgsApplication([], True)</span></p>
<p class=""><span class="">map_projection = QgsCoordinateReferenceSystem(4326, QgsCoordinateReferenceSystem.EpsgCrsId)</span></p>
<p class=""><span class="">map_projection_descr = map_projection.description()</span></p>
<p class=""><span class="">print map_projection.isValid()</span></p>
<p class=""><span class=""></span><br></p>
<p class=""><span class=""></span>The output of the last line is 'False'.</p>
<p class=""><span class="">I tried to change the prefix path to "/usr/share/qgis/resources/“ but this doesn’t make any difference.</span></p>
<p class=""><span class="">I’m using python 2.7.6 on Ubuntu 14.04.</span></p>
<p class=""><span class=""></span><br></p>
<p class=""><span class="">Thank you in advance.</span></p>
<p class=""><span class="">Best Regards,</span></p>
<p class=""><span class=""></span><br></p>
<p class=""><span class="">Andrea</span></p></div>