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<body lang="EN-US"><div>Hi,</div><div><br></div><div>I cannot reproduce the problem. Are you sure you haven't altered FirstReconstruction.py in any way? Could you provide the exact content of the file?</div><div><br></div><div>Thank you!</div><div><br></div><div>Aurélien.</div><div><br></div><div>On Tue, 2020-05-05 at 22:01 +0000, Zhang, Zhehao wrote:</div><blockquote type="cite" style="margin:0 0 0 .8ex; border-left:2px #729fcf solid;padding-left:1ex">
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<p class="MsoNormal">Dear all, <o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Hi! I am new to RTK and want to use it on Python. So I installed RTK through pip, like<o:p></o:p></p>
<pre><span style="color:black">pip install itk<o:p></o:p></span></pre>
<pre><span style="color:black">pip install itk-rtk<o:p></o:p></span></pre>
<p class="MsoNormal"><b><o:p> </o:p></b></p>
<p class="MsoNormal">I think the examples for ITK work well. However, when I tried to run the FirstReconstruction example for RTK, some trouble have stopped me for a while.<o:p></o:p></p>
<p class="MsoNormal">I used the order “python FirstReconstruction.py test.mha geometry.xml” to run the given Python code, but I continued to get the error<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Traceback (most recent call last):<o:p></o:p></p>
<p class="MsoNormal"> File "FirstReconstruction.py", line 88, in <module><o:p></o:p></p>
<p class="MsoNormal"> writer.Update()<o:p></o:p></p>
<p class="MsoNormal">RuntimeError: C:\P\IPP\standalone-build\ITKs\Modules\Core\Common\src\itkProcessObject.cxx:1400:<o:p></o:p></p>
<p class="MsoNormal">itk::ERROR: FieldOfViewImageFilter(000001C546A88980): Input Primary is required but not set.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Additionally, this ‘Input Primary is required but not set’ error also occurred in some other examples, on both Windows and Ubuntu systems. I have no idea how to solve it. Could you please help me out?
<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Thank you very much.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Sincerely,<o:p></o:p></p>
<p class="MsoNormal">Zhehao<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
</div>
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