<html><head></head><body><div style="color:#000; background-color:#fff; font-family:Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font-size:16px"><div id="yui_3_16_0_ym19_1_1509532683142_43404">Hello,</div><div id="yui_3_16_0_ym19_1_1509532683142_43403"><br></div><div dir="ltr" id="yui_3_16_0_ym19_1_1509532683142_45185">You can try the commands of cold source, as shown here: <a href="http://wiki.opengatecollaboration.org/index.php/Users_Guide_V7.2:Source" id="yui_3_16_0_ym19_1_1509532683142_45106" class="">http://wiki.opengatecollaboration.org/index.php/Users_Guide_V7.2:Source</a> , if you want a mathematical phantom source.<br></div><div dir="ltr" id="yui_3_16_0_ym19_1_1509532683142_45304">Moreover, you could create a voxelized source, with any shape you like, using for example matlab.<br></div><div id="yui_3_16_0_ym19_1_1509532683142_45184"><br></div><div id="yui_3_16_0_ym19_1_1509532683142_45183">Regards,</div><div id="yui_3_16_0_ym19_1_1509532683142_45305">Konstantinos<br></div><div id="yui_3_16_0_ym19_1_1509532683142_43356"><span></span></div><div id="yui_3_16_0_ym19_1_1509532683142_43355"> </div><div class="signature" id="yui_3_16_0_ym19_1_1509532683142_43350"><div style="color:rgb(0, 0, 0);font-family:Arial;font-size:16px;font-style:normal;font-weight:normal;letter-spacing:normal;orphans:2;text-indent:0px;text-transform:none;white-space:normal;widows:2;word-spacing:0px;" id="yui_3_16_0_ym19_1_1509532683142_43349"><span style="font-style:italic;" id="yui_3_16_0_ym19_1_1509532683142_43348">-----------------------------------------------------</span></div><span style="color:rgb(0, 0, 0);font-family:Arial;font-size:16px;font-weight:normal;letter-spacing:normal;orphans:2;text-indent:0px;text-transform:none;white-space:normal;widows:2;word-spacing:0px;font-style:italic;"> Konstantinos Chatzipapas<br> Medical Physicist, </span><span style="color:rgb(0, 0, 0);font-family:Arial;font-size:16px;font-weight:normal;letter-spacing:normal;orphans:2;text-indent:0px;text-transform:none;white-space:normal;widows:2;word-spacing:0px;font-style:italic;">MSc<br></span><div style="color:rgb(0, 0, 0);font-family:Arial;font-size:16px;font-style:normal;font-weight:normal;letter-spacing:normal;orphans:2;text-indent:0px;text-transform:none;white-space:normal;widows:2;word-spacing:0px;" id="yui_3_16_0_ym19_1_1509532683142_43353"><div id="yui_3_16_0_ym19_1_1509532683142_43354"><span style="font-style:italic;"> <span style="font-weight:bold;">University of Patras</span></span></div><div id="yui_3_16_0_ym19_1_1509532683142_43352"><div id="yui_3_16_0_ym19_1_1509532683142_43351"><span style="font-style:italic;"><br></span></div><div id="yui_3_16_0_ym19_1_1509532683142_43379"><span style="font-style:italic;" id="yui_3_16_0_ym19_1_1509532683142_45466"><span class="Apple-tab-span" style="white-space:pre;"> </span> web page:<span class="Apple-converted-space"> </span><a rel="nofollow" target="_blank" href="http://www.physicsmag.com/">Physics Magazine</a></span></div></div></div></div> <div class="qtdSeparateBR"><br><br></div><div class="yahoo_quoted" style="display: block;"> <div style="font-family: Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif; font-size: 16px;"> <div style="font-family: HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif; font-size: 16px;"> <div dir="ltr"><font size="2" face="Arial"> Στις 7:28 π.μ. Τετάρτη, 1 Νοεμβρίου 2017, ο/η P. T. <ptpphysics@gmail.com> έγραψε:<br></font></div> <br><br> <div class="y_msg_container"><div dir="ltr">Dear all,<br></div><div dir="ltr"><br></div><div dir="ltr">Can I define the geometry of the source as part of a sphere (curved<br></div><div dir="ltr">surface of a spherical segment)?<br></div><div dir="ltr">what is the best way to do it?<br></div><div dir="ltr"><br></div><div dir="ltr">Thanks in advanced.<br></div><div dir="ltr"><br></div><div dir="ltr"><br></div><div dir="ltr">Sincerely,<br></div><div dir="ltr">P<br></div><div dir="ltr">_______________________________________________<br></div><div dir="ltr">Gate-users mailing list<br></div><div dir="ltr"><a ymailto="mailto:Gate-users@lists.opengatecollaboration.org" href="mailto:Gate-users@lists.opengatecollaboration.org">Gate-users@lists.opengatecollaboration.org</a><br></div><div dir="ltr"><a href="http://lists.opengatecollaboration.org/mailman/listinfo/gate-users" target="_blank">http://lists.opengatecollaboration.org/mailman/listinfo/gate-users</a></div><br><br></div> </div> </div> </div></div></body></html>