<div dir="ltr"><div><div>Hi Guangming,<br></div>The parameter is processed in <a href="https://github.com/SimonRit/RTK/blob/master/code/rtkGgoFunctions.h">rtkGgoFunctions</a>.h. It's passed to an <a href="http://www.itk.org/Doxygen/html/classitk_1_1ChangeInformationImageFilter.html">itk::ChangeInformationFilter</a> at the beginning of the <a href="http://www.openrtk.org/Doxygen/classrtk_1_1ProjectionsReader.html">rtk::ProjectionsReader.h</a>. But in the end, there is nothing to explain, it's simply changes the spacing of the input projections.<br></div><div>I hope this helps,<br></div>Simon<br></div><div class="gmail_extra"><br><div class="gmail_quote">On Fri, Feb 19, 2016 at 8:52 PM, Guangming Zang <span dir="ltr"><<a href="mailto:guangming.zang@kaust.edu.sa" target="_blank">guangming.zang@kaust.edu.sa</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div class="HOEnZb"><div class="h5"><div dir="ltr"><div class="gmail_default" style="font-family:trebuchet ms,sans-serif;color:#0000ff"><br></div><div class="gmail_quote">---------- Forwarded message ----------<br>From: <b class="gmail_sendername">Guangming Zang</b> <span dir="ltr"><<a href="mailto:guangming.zang@kaust.edu.sa" target="_blank">guangming.zang@kaust.edu.sa</a>></span><br>Date: Fri, Feb 19, 2016 at 10:49 PM<br>Subject: About the newspacing flag<br>To: <a href="mailto:rtk-users-request@public.kitware.com" target="_blank">rtk-users-request@public.kitware.com</a>, Chao Wu <<a href="mailto:wuchao04@gmail.com" target="_blank">wuchao04@gmail.com</a>>, Simon Rit <<a href="mailto:simon.rit@creatis.insa-lyon.fr" target="_blank">simon.rit@creatis.insa-lyon.fr</a>>, "<a href="mailto:rtk-users@public.kitware.com" target="_blank">rtk-users@public.kitware.com</a>" <<a href="mailto:rtk-users@public.kitware.com" target="_blank">rtk-users@public.kitware.com</a>>, <a href="mailto:rtk-users@openrtk.org" target="_blank">rtk-users@openrtk.org</a><br><br><br><div dir="ltr"><div style="font-family:'trebuchet ms',sans-serif;color:rgb(0,0,255)">Dear RTK community,</div><div style="font-family:'trebuchet ms',sans-serif;color:rgb(0,0,255)">i have a question about the parameter "newspacing " in rtkFDK and rtkSART algorithm.</div><div style="font-family:'trebuchet ms',sans-serif;color:rgb(0,0,255)">it says:--newspacing new spacing of input projections (before pre-processing).</div><div style="font-family:'trebuchet ms',sans-serif;color:rgb(0,0,255)"> I checked in the code, and it seems not easy to find the correct part in the code about the newspacing .</div><div style="font-family:'trebuchet ms',sans-serif;color:rgb(0,0,255)">So could anyone help me and explain about this parameter?? i want to simulate this preprocess step in my own project and compare to our RTK. </div><div style="font-family:'trebuchet ms',sans-serif;color:rgb(0,0,255)">-best regards Guangming</div><span><font color="#888888"><div><br></div>-- <br><div><div dir="ltr"><div><div dir="ltr"><font style="line-height:23.324px" color="#674ea7" face="arial, helvetica, sans-serif"><b><i>Guangming Zang (Alex)</i></b></font><div style="line-height:23.324px"><font face="arial, helvetica, sans-serif"><b><i><font color="#0b5394">King Abdullah University of Science and Technology</font><font color="#073763">(KAUST)</font></i></b></font></div><div style="line-height:23.324px"><span style="font-family:arial;font-size:13px;line-height:20.02px"><font color="#0b5394"><b><i>University of Chinese Academy of Sciences(UCAS)</i></b></font></span><font face="arial, helvetica, sans-serif"><b><i><font color="#073763"><br></font></i></b></font></div><div style="line-height:23.324px"><span style="font-family:arial;font-size:13px;line-height:20.02px"><font color="#0b5394"><b><i><br></i></b></font></span></div><div style="line-height:23.324px"><span style="font-family:arial;font-size:13px;line-height:20.02px"><font color="#0b5394"><b><i><br></i></b></font></span></div><div style="line-height:23.324px"><br></div></div></div></div></div>
</font></span></div>
</div><br><br clear="all"><div><br></div>-- <br><div><div dir="ltr"><div><div dir="ltr"><font style="line-height:23.32400131225586px" color="#674ea7" face="arial, helvetica, sans-serif"><b><i>Guangming Zang (Alex)</i></b></font><div style="line-height:23.32400131225586px"><font face="arial, helvetica, sans-serif"><b><i><font color="#0b5394">King Abdullah University of Science and Technology</font><font color="#073763">(KAUST)</font></i></b></font></div><div style="line-height:23.32400131225586px"><span style="font-family:arial;font-size:13px;line-height:20.020000457763672px"><font color="#0b5394"><b><i>University of Chinese Academy of Sciences(UCAS)</i></b></font></span><font face="arial, helvetica, sans-serif"><b><i><font color="#073763"><br></font></i></b></font></div><div style="line-height:23.32400131225586px"><span style="font-family:arial;font-size:13px;line-height:20.020000457763672px"><font color="#0b5394"><b><i><br></i></b></font></span></div><div style="line-height:23.32400131225586px"><span style="font-family:arial;font-size:13px;line-height:20.020000457763672px"><font color="#0b5394"><b><i><br></i></b></font></span></div><div style="line-height:23.32400131225586px"><br></div></div></div></div></div>
</div>
<br>
<div><hr></div><font size="1" face="Arial">This message and its contents, including attachments are intended solely for the original recipient. If you are not the intended recipient or have received this message in error, please notify me immediately and delete this message from your computer system. Any unauthorized use or distribution is prohibited. Please consider the environment before printing this email.</font></div></div><br>_______________________________________________<br>
Rtk-users mailing list<br>
<a href="mailto:Rtk-users@public.kitware.com">Rtk-users@public.kitware.com</a><br>
<a href="http://public.kitware.com/mailman/listinfo/rtk-users" rel="noreferrer" target="_blank">http://public.kitware.com/mailman/listinfo/rtk-users</a><br>
<br></blockquote></div><br></div>