<html><body><div style="color:#000; background-color:#fff; font-family:HelveticaNeue-Light, Helvetica Neue Light, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font-size:13px"><div><span>Dear Erick,</span></div><div style="color: rgb(0, 0, 0); font-size: 13px; font-family: HelveticaNeue-Light, 'Helvetica Neue Light', 'Helvetica Neue', Helvetica, Arial, 'Lucida Grande', sans-serif; font-style: normal; background-color: transparent;"><span><br></span></div><div style="color: rgb(0, 0, 0); font-size: 13px; font-family: HelveticaNeue-Light, 'Helvetica Neue Light', 'Helvetica Neue', Helvetica, Arial, 'Lucida Grande', sans-serif; font-style: normal; background-color: transparent;"><span>Hi,</span></div><div style="color: rgb(0, 0, 0); font-size: 13px; font-family: HelveticaNeue-Light, 'Helvetica Neue Light', 'Helvetica Neue', Helvetica, Arial, 'Lucida Grande', sans-serif; font-style: normal; background-color:
transparent;"><span><br></span></div><div style="color: rgb(0, 0, 0); font-size: 13px; font-family: HelveticaNeue-Light, 'Helvetica Neue Light', 'Helvetica Neue', Helvetica, Arial, 'Lucida Grande', sans-serif; font-style: normal; background-color: transparent;"><span>In response to your first question: Yes, it is possible to simulate a cone-beam CT system by using a predefined system, named "scanner", and also shaping the source to form (or construct) a cone-beam x-ray source.</span></div><div style="color: rgb(0, 0, 0); font-size: 13px; font-family: HelveticaNeue-Light, 'Helvetica Neue Light', 'Helvetica Neue', Helvetica, Arial, 'Lucida Grande', sans-serif; font-style: normal; background-color: transparent;"><span><br></span></div><div style="color: rgb(0, 0, 0); font-size: 13px; font-family: HelveticaNeue-Light, 'Helvetica Neue Light', 'Helvetica Neue', Helvetica, Arial, 'Lucida Grande', sans-serif; font-style: normal; background-color:
transparent;"><span>And regarding the second one: Again, yes. The Gate (as a Geant4-based toolkit) allows you to model a micro-CT (animal CT) along with micro-sized objects. This is a big advantage of Gate over other Monte Carlo codes.</span></div><div style="color: rgb(0, 0, 0); font-size: 13px; font-family: HelveticaNeue-Light, 'Helvetica Neue Light', 'Helvetica Neue', Helvetica, Arial, 'Lucida Grande', sans-serif; font-style: normal; background-color: transparent;"><span><br></span></div><div style="color: rgb(0, 0, 0); font-size: 13px; font-family: HelveticaNeue-Light, 'Helvetica Neue Light', 'Helvetica Neue', Helvetica, Arial, 'Lucida Grande', sans-serif; font-style: normal; background-color: transparent;"><span>Hope these help!</span></div><div></div><div> </div><div><span style="font-size: 13px;">Hojjat </span></div><div><u style="color: rgb(34, 34, 34); font-family: arial, helvetica, sans-serif; font-size: small; background-color:
rgb(255, 255, 255);"></u></div></div></body></html>