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<p class="MsoNormal"><span style="mso-fareast-language:EN-US">Hi,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-US">Thank you for your answer as I think that has got me in the right direction. It will either be execAlgorithmDialog or the createAlgorithmDialog you reference.
<o:p></o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-US">Unfortunately I’m having a little trouble getting it to find the algorithm I’m trying to run at present but that led me to notice what might be a bug. Of course it might be intentional but execAlgorithmDialog
returns False instead of None if it doesn’t find the algorithm. That in turn leads to an error message which appears accidental when you run the createAlgorithmDialog function.
<o:p></o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-US">I’ve created (probably badly) a pull request (</span><a href="https://github.com/qgis/QGIS/pull/31899">https://github.com/qgis/QGIS/pull/31899</a>) to show the line I’m referring to.
<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">It would be good to know how to actually setup and create that pull request correctly really but I never have time to get my head around all the processes involved. We work on Windows machines which Visual Studio so I never full trust the
formatting etc but who knows it might be safe on such a small change. <o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Anyway, it would be useful to know if that is a bug or not and I’m sure I’ll work out why it didn’t find my script shortly so thanks for your help
<span style="font-family:"Segoe UI Emoji",sans-serif">😊</span><o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Paul<span style="mso-fareast-language:EN-US"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><b><span lang="EN-US">From:</span></b><span lang="EN-US"> Luigi Pirelli <luipir@gmail.com>
<br>
<b>Sent:</b> 20 September 2019 07:31<br>
<b>To:</b> Paul Wittle <P.Wittle@dorsetcc.gov.uk><br>
<b>Cc:</b> qgis-developer@lists.osgeo.org<br>
<b>Subject:</b> Re: [QGIS-Developer] Running vs triggering/opening a custom process via Python<o:p></o:p></span></p>
<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">you can get the dialog of the processing algorithm you want and use that... hereafter a snippet<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<pre><span class="gmail-line"> </span><span class="gmail-n">dialog</span><span class="gmail-line"> </span><span class="gmail-o">=</span><span class="gmail-line"> </span><span class="gmail-n">processing</span><span class="gmail-o">.</span><span class="gmail-n">createAlgorithmDialog</span><span class="gmail-p">(</span><span class="gmail-s">"model:AjustarRasterGCP"</span><span class="gmail-p">,</span><span class="gmail-line"> </span><o:p></o:p></pre>
<pre><span class="gmail-line"> </span><span class="gmail-p">{</span><span class="gmail-s">'puntosgcp'</span><span class="gmail-p">:</span><span class="gmail-n">zeroDeltaHeighPoints</span><span class="gmail-p">,</span><o:p></o:p></pre>
<pre><span class="gmail-line"> </span><span class="gmail-s">'rastermdsuav'</span><span class="gmail-p">:</span><span class="gmail-s">''</span><span class="gmail-p">,</span><o:p></o:p></pre>
<pre><span class="gmail-line"> </span><span class="gmail-s">'rastermdtlidar'</span><span class="gmail-p">:</span><span class="gmail-s">''</span><span class="gmail-p">,</span><o:p></o:p></pre>
<pre><span class="gmail-line"> </span><span class="gmail-s">'grass7:r.mapcalc.simple_1:Raster MDS_UAV Ajustado'</span><span class="gmail-p">:</span><span class="gmail-n">QgsProcessing</span><span class="gmail-o">.</span><span class="gmail-n">TEMPORARY_OUTPUT</span><span class="gmail-p">,</span><o:p></o:p></pre>
<pre><span class="gmail-line"> </span><span class="gmail-s">'saga:thinplatesplinetin_1:ErrorSurface'</span><span class="gmail-p">:</span><span class="gmail-n">QgsProcessing</span><span class="gmail-o">.</span><span class="gmail-n">TEMPORARY_OUTPUT</span><span class="gmail-p">})</span><o:p></o:p></pre>
<pre><span class="gmail-line"> </span><span class="gmail-n">dialog</span><span class="gmail-o">.</span><span class="gmail-n">show</span><span class="gmail-p">()</span><o:p></o:p></pre>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">Luigi Pirelli<br>
<br>
**************************************************************************************************<br>
* LinkedIn: <a href="https://www.linkedin.com/in/luigipirelli" target="_blank">https://www.linkedin.com/in/luigipirelli</a><br>
* Stackexchange: <a href="http://gis.stackexchange.com/users/19667/luigi-pirelli" target="_blank">
http://gis.stackexchange.com/users/19667/luigi-pirelli</a><br>
* GitHub: <a href="https://github.com/luipir" target="_blank">https://github.com/luipir</a><br>
* Book: <a href="https://www.packtpub.com/eu/application-development/mastering-geospatial-development-qgis-3x-third-edition" target="_blank">Mastering QGIS3 - 3rd Edition</a><o:p></o:p></p>
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<p class="MsoNormal">* Hire a team: <a href="http://www.qcooperative.net" target="_blank">
http://www.qcooperative.net</a><br>
**************************************************************************************************<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">On Thu, 19 Sep 2019 at 12:49, Paul Wittle <<a href="mailto:paul.wittle@dorsetcouncil.gov.uk">paul.wittle@dorsetcouncil.gov.uk</a>> wrote:<o:p></o:p></p>
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<p class="MsoNormal">Hi,<br>
<br>
Sorry if this is a bit of a simple question.<br>
<br>
I have created a script in the processing toolbox and it opens a dialogue box when you double click on it (as you would expect). Given that many users may not understand or even open the processing toolbox I want to trigger the script using a button in my custom
plugin.<br>
<br>
I know you can use processing.run(script/model, parameters) but I don't know the parameters and I don't want to recreate the dialogue box in my plugin.<br>
<br>
Is there a python command to simply trigger/open a process to run (replicate clicking on it in the toolbox)?<br>
<br>
Thanks,<br>
Paul<br>
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