<div dir="ltr"><div>Hi,</div><div>Look at the <a href="http://www.openrtk.org/Doxygen/DocGeo3D.html">doc on the geometry file</a> and <a href="https://github.com/SimonRit/RTK/tree/master/applications/rtksimulatedgeometry">rtksimulatedgeometry</a> for creating one file. <a href="http://www.openrtk.org/Doxygen/classrtk_1_1ThreeDCircularProjectionGeometry.html#a39d6a67147cac1f2b5d75f5958a48f9a">AddProjection</a> takes several parameters. Given your scheme, it should look like</div><div>AddProjection(1000, 1536, angle, +/-190 etc)</div><div>It looks like an Elekta geometry given the distances, check the example <a href="http://wiki.openrtk.org/index.php/RTK/Examples/ElektaReconstruction">here</a> if you can get access to the database.</div><div>Simon<br></div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Mon, Apr 20, 2020 at 9:31 PM Isuru Suranga Wijesinghe <<a href="mailto:isurusuranga.wijesinghe@gmail.com">isurusuranga.wijesinghe@gmail.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"><div dir="ltr"><div>Hi,</div><div><br></div><div>I'm currently looking rtkforwardprojections example [1] to generate DRR images from 3D-CT volumes. My question is  how can I set custom geometric configurations as in the sample attached image ? </div><div><br></div><div>Can you please help with a relevant example of this. ?<br></div><div><br></div><div>[1] <a href="https://github.com/SimonRit/RTK/blob/b32cffdc6f9d7a432c50023c370ed996a7985b69/applications/rtkforwardprojections/rtkforwardprojections.cxx" target="_blank">https://github.com/SimonRit/RTK/blob/b32cffdc6f9d7a432c50023c370ed996a7985b69/applications/rtkforwardprojections/rtkforwardprojections.cxx</a></div><div><br></div><div><div>Thanks and Best Regards,</div><div>Isuru</div></div></div>
_______________________________________________<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" rel="noreferrer" target="_blank">https://public.kitware.com/mailman/listinfo/rtk-users</a><br>
</blockquote></div>