<html> <head> <style> .hmmessage P { margin:0px; padding:0px } body.hmmessage { FONT-SIZE: 10pt; FONT-FAMILY:Tahoma } </style> </head> <body class='hmmessage'> Dear GATE users,<br><br>if I were to add a piece of code to GATE to modify the geometry of a radioactive source,  in order to simulate its motion in a non-linear manner and then come up with some distribution and data interpolation, where is the best place to start ? for example, consider a bent-line source, or any deformed shape of some sort which allows me to obtain a non-linear motion just so I could then interpolate my data points, and study the source distribution.  Could you please let me know where I should start ?<br><br>Thanks very much in advance for your answers,<br>Kind regards,<br>Anas<br><br /><hr /> <a href='' target='_new'></a></body> </html>