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</o:shapelayout></xml><![endif]--></head><body lang=IT link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span lang=EN-GB style='mso-fareast-language:EN-US'>Thank you Simon this is very practical!<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-GB style='mso-fareast-language:EN-US'><o:p> </o:p></span></p><p class=MsoNormal><b>Da:</b> Simon Rit <simon.rit@creatis.insa-lyon.fr> <br><b>Inviato:</b> venerdì 11 ottobre 2019 13.10<br><b>A:</b> gabriele.belotti.bergamo@gmail.com<br><b>Cc:</b> rtk-users <rtk-users@public.kitware.com><br><b>Oggetto:</b> Re: [Rtk-users] Half Fan dataset<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><div><div><p class=MsoNormal>Hi,<o:p></o:p></p></div><div><p class=MsoNormal>It's easy to generate, you need to offset your detector, either via the RTK geometry or by setting the first coordinate of the origin of your projection to something which makes the projection uncentered. For example, in the geometry :<o:p></o:p></p></div><div><p class=MsoNormal>rtksimulatedgeometry -n 180 --proj_iso_x 100 -o g<o:p></o:p></p></div><div><p class=MsoNormal>rtkprojectshepploganphantom -g g -o proj.mha<o:p></o:p></p></div><div><p class=MsoNormal>rtkfdk -p . -g g -r proj.mha -o fdk.mha<o:p></o:p></p></div><div><p class=MsoNormal>You can simulate from a CT image by following <a href="http://wiki.openrtk.org/index.php/RTK/Scripts/ForwardProjection">this example</a>.<o:p></o:p></p></div><div><p class=MsoNormal>Simon<o:p></o:p></p></div></div><p class=MsoNormal><o:p> </o:p></p><div><div><p class=MsoNormal>On Fri, Oct 11, 2019 at 9:58 AM <<a href="mailto:gabriele.belotti.bergamo@gmail.com" target="_blank">gabriele.belotti.bergamo@gmail.com</a>> wrote:<o:p></o:p></p></div><blockquote style='border:none;border-left:solid #CCCCCC 1.0pt;padding:0cm 0cm 0cm 6.0pt;margin-left:4.8pt;margin-right:0cm'><div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-GB>Dear RTK users and developers,<br><br>I’m currently experimenting with FDK reconstruction and I’m struggling to find a Half-Fan projection dataset to fiddle around.. Do you know where I can find one? I’ve taken into consideration generating a set of DRRs from an existing phantom. Any help or advice you can give me would be greatly appreciated, thanks!<br><br>Gabriele Belotti</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-GB> </span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-GB> </span><o:p></o:p></p></div></div><p class=MsoNormal>_______________________________________________<br>Rtk-users mailing list<br><a href="mailto:Rtk-users@public.kitware.com" target="_blank">Rtk-users@public.kitware.com</a><br><a href="https://public.kitware.com/mailman/listinfo/rtk-users" target="_blank">https://public.kitware.com/mailman/listinfo/rtk-users</a><o:p></o:p></p></blockquote></div></div></body></html>