<div dir="ltr"><div>Hi,</div><div>Please use the RTK mailing list (cc). The CPU code is templated to be able to use different types (double, float, etc.). The source code is <a href="https://github.com/SimonRit/RTK/blob/master/include/rtkFDKConeBeamReconstructionFilter.hxx">here</a>, in an hxx file the include subfolder. You can check the <a href="http://www.itk.org/ItkSoftwareGuide.pdf">ITK guide</a> for more information on that, e.g. section 3.2.2.</div><div>Simon<br></div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Fri, Sep 24, 2021 at 3:00 AM Wang, Dongping <<a href="mailto:Dongping.Wang@bakerhughes.com">Dongping.Wang@bakerhughes.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">





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<p class="MsoNormal">Hello Simon<u></u><u></u></p>
<p class="MsoNormal"><u></u> <u></u></p>
<p class="MsoNormal">I am learning RTK now and found we have this file in source folder<u></u><u></u></p>
<p class="MsoNormal"><u></u> <u></u></p>
<p class="MsoNormal"><a href="https://github.com/SimonRit/RTK/blob/master/src/rtkCudaFDKConeBeamReconstructionFilter.cxx" title="rtkCudaFDKConeBeamReconstructionFilter.cxx" target="_blank"><span style="font-size:10.5pt;font-family:"Segoe UI",sans-serif;background:rgb(246,248,250) none repeat scroll 0% 0%">rtkCudaFDKConeBeamReconstructionFilter.cxx</span></a><u></u><u></u></p>
<p class="MsoNormal">but we do not have non Cuda version in source folder for <a href="https://github.com/SimonRit/RTK/blob/master/src/rtkCudaFDKConeBeamReconstructionFilter.cxx" title="rtkCudaFDKConeBeamReconstructionFilter.cxx" target="_blank">
<span style="font-size:10.5pt;font-family:"Segoe UI",sans-serif;background:rgb(246,248,250) none repeat scroll 0% 0%">rtkFDKConeBeamReconstructionFilter.cxx</span></a>.<u></u><u></u></p>
<p class="MsoNormal"><u></u> <u></u></p>
<p class="MsoNormal">could you enlighten me where this file may be or how it works together? Thanks in advance!<u></u><u></u></p>
<p class="MsoNormal"><u></u> <u></u></p>
<p class="MsoNormal"><u></u> <u></u></p>
<p class="MsoNormal" style="text-align:justify"><b><span style="font-size:9pt;font-family:Arial-BoldMT;color:rgb(1,132,116)">Dongping Wang<u></u><u></u></span></b></p>
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