<html xmlns:v="urn:schemas-microsoft-com:vml" xmlns:o="urn:schemas-microsoft-com:office:office" xmlns:w="urn:schemas-microsoft-com:office:word" xmlns:m="http://schemas.microsoft.com/office/2004/12/omml" xmlns="http://www.w3.org/TR/REC-html40">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
<meta name="Generator" content="Microsoft Word 14 (filtered medium)">
<!--[if !mso]><style>v\:* {behavior:url(#default#VML);}
o\:* {behavior:url(#default#VML);}
w\:* {behavior:url(#default#VML);}
.shape {behavior:url(#default#VML);}
</style><![endif]--><style><!--
/* Font Definitions */
@font-face
{font-family:"Cambria Math";
panose-1:2 4 5 3 5 4 6 3 2 4;}
@font-face
{font-family:Cambria;
panose-1:2 4 5 3 5 4 6 3 2 4;}
@font-face
{font-family:Calibri;
panose-1:2 15 5 2 2 2 4 3 2 4;}
@font-face
{font-family:Tahoma;
panose-1:2 11 6 4 3 5 4 4 2 4;}
/* Style Definitions */
p.MsoNormal, li.MsoNormal, div.MsoNormal
{margin:0cm;
margin-bottom:.0001pt;
font-size:11.0pt;
font-family:"Calibri","sans-serif";
mso-fareast-language:EN-US;}
a:link, span.MsoHyperlink
{mso-style-priority:99;
color:blue;
text-decoration:underline;}
a:visited, span.MsoHyperlinkFollowed
{mso-style-priority:99;
color:purple;
text-decoration:underline;}
p.MsoAcetate, li.MsoAcetate, div.MsoAcetate
{mso-style-priority:99;
mso-style-link:"Texte de bulles Car";
margin:0cm;
margin-bottom:.0001pt;
font-size:8.0pt;
font-family:"Tahoma","sans-serif";
mso-fareast-language:EN-US;}
span.EmailStyle17
{mso-style-type:personal-compose;
font-family:"Calibri","sans-serif";
color:windowtext;}
span.TextedebullesCar
{mso-style-name:"Texte de bulles Car";
mso-style-priority:99;
mso-style-link:"Texte de bulles";
font-family:"Tahoma","sans-serif";}
.MsoChpDefault
{mso-style-type:export-only;
font-family:"Calibri","sans-serif";
mso-fareast-language:EN-US;}
@page WordSection1
{size:612.0pt 792.0pt;
margin:70.85pt 70.85pt 70.85pt 70.85pt;}
div.WordSection1
{page:WordSection1;}
--></style><!--[if gte mso 9]><xml>
<o:shapedefaults v:ext="edit" spidmax="1026" />
</xml><![endif]--><!--[if gte mso 9]><xml>
<o:shapelayout v:ext="edit">
<o:idmap v:ext="edit" data="1" />
</o:shapelayout></xml><![endif]-->
</head>
<body lang="FR" link="blue" vlink="purple">
<div class="WordSection1">
<p class="MsoNormal"><span lang="EN-US">Hi All,<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">I’m trying to create a Windows scheduled task using a python script calling QGIS processing algorithms in non-GUI mode.<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">I read this tutorial <a href="http://www.qgistutorials.com/fr/docs/running_qgis_jobs.html">
http://www.qgistutorials.com/fr/docs/running_qgis_jobs.html</a><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">Since it was written for QGIS 2.XX, I used this stackexchange thread to adapt the batch file defining Windows environment variables :
<a href="https://gis.stackexchange.com/questions/268573/environment-variables-for-qgis-3-plugin-development-on-windows">
https://gis.stackexchange.com/questions/268573/environment-variables-for-qgis-3-plugin-development-on-windows</a><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">My batch file call a python script which atm only contains :<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal" style="text-indent:35.4pt"><span lang="EN-US">import sys<o:p></o:p></span></p>
<p class="MsoNormal" style="text-indent:35.4pt"><span lang="EN-US">from qgis.core import *<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal" style="text-indent:35.4pt"><span lang="EN-US"># Initialize QGIS Application<o:p></o:p></span></p>
<p class="MsoNormal" style="text-indent:35.4pt"><span lang="EN-US">QgsApplication.setPrefixPath("C:\\Program Files\\QGIS 3.0\\apps\\qgis", True)<o:p></o:p></span></p>
<p class="MsoNormal" style="text-indent:35.4pt"><span lang="EN-US">app = QgsApplication([], False)<o:p></o:p></span></p>
<p class="MsoNormal" style="text-indent:35.4pt"><span lang="EN-US">QgsApplication.initQgis()<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal" style="text-indent:35.4pt"><span lang="EN-US">print ('Hello QGIS!')<o:p></o:p></span></p>
<p class="MsoNormal" style="text-indent:35.4pt"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Problem is that I get an error telling me :<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">This application failed to start because it could not find or load the Qt platform plugin "windows"<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">in "".<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">I think it’s when “app = QgsApplication([], False)“ is called. And I don’t get why….<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">Do you have any idea?<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">Renaud BURCK</span><span style="mso-fareast-language:FR"><o:p></o:p></span></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<table class="MsoNormalTable" border="0" cellspacing="0" cellpadding="0" style="border-collapse:collapse">
<tbody>
<tr>
<td width="130" valign="top" style="width:97.55pt;padding:0cm 5.4pt 0cm 5.4pt">
<p class="MsoNormal"><span style="color:#1F497D;mso-fareast-language:FR"><img border="0" width="135" height="144" id="Image_x0020_1" src="cid:image001.png@01D3ECF1.A2D07400" alt="IGN-RVB.wmf"></span><span style="font-size:12.0pt;font-family:"Cambria","serif";color:#1F497D"><o:p></o:p></span></p>
</td>
<td width="484" valign="top" style="width:363.05pt;padding:0cm 5.4pt 0cm 5.4pt">
<p class="MsoNormal"><span style="font-family:"Arial","sans-serif";color:#72787C;mso-fareast-language:FR">Renaud BURCK</span><span style="font-family:"Arial","sans-serif";color:#72787C"><o:p></o:p></span></p>
<p class="MsoNormal" style="line-height:6.0pt;mso-line-height-rule:exactly"><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#93C11A;position:relative;top:-3.0pt;mso-text-raise:3.0pt;mso-fareast-language:FR">_______________________________________________________________<o:p></o:p></span></p>
<p class="MsoNormal" style="line-height:13.5pt;mso-line-height-rule:exactly"><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#72787C;mso-fareast-language:FR">Chef du département de la Photogrammétrie
</span><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#93C11A;position:relative;top:-1.0pt;mso-text-raise:1.0pt;mso-fareast-language:FR">|</span><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#72787C;mso-fareast-language:FR">
Service de l’Imagerie et de l’Aéronautique<o:p></o:p></span></p>
<p class="MsoNormal"><b><span style="font-size:9.5pt;font-family:"Arial","sans-serif";color:#72787C;text-transform:uppercase;letter-spacing:.5pt">DIRECTION DE LA PRODUCTION DES REFERENTIELS<o:p></o:p></span></b></p>
<p class="MsoNormal" style="line-height:13.5pt;mso-line-height-rule:exactly"><span style="font-size:9.0pt;font-family:"Arial","sans-serif";color:#72787C;mso-fareast-language:FR">T + 33(0)3 44 24 90 08
<o:p></o:p></span></p>
<p class="MsoNormal" style="line-height:13.5pt;mso-line-height-rule:exactly"><span style="font-size:9.0pt;font-family:"Arial","sans-serif";color:#72787C;mso-fareast-language:FR">Route de la Forêt de Verneuil-en-Halatte<o:p></o:p></span></p>
<p class="MsoNormal" style="line-height:13.5pt;mso-line-height-rule:exactly"><span style="font-size:9.0pt;font-family:"Arial","sans-serif";color:#72787C;mso-fareast-language:FR">BP 40125 60107 CREIL cedex 1<o:p></o:p></span></p>
<p class="MsoNormal" style="line-height:13.5pt;mso-line-height-rule:exactly"><span style="font-size:9.0pt;font-family:"Arial","sans-serif";color:#93C11A;letter-spacing:1.0pt;mso-fareast-language:FR">ign.fr - geoportail.gouv.fr<o:p></o:p></span></p>
</td>
</tr>
</tbody>
</table>
<p class="MsoNormal"><span style="mso-fareast-language:FR"><o:p> </o:p></span></p>
<p class="MsoNormal"><o:p> </o:p></p>
</div>
</body>
</html>