<html><head><style type="text/css"></style></head><body><div style="font-family:arial,helvetica,sans-serif;font-size:12pt"><div>Hi Sander , there is no direct command of kind "Xalign" or "Yalign". You need to use [posrot1] and [posrot2] to rotate the x'-y'-z' axis of your source. Best regards, Samuel </div><div style="font-family: arial,helvetica,sans-serif; font-size: 12pt;"> <div style="font-family: times new roman,new york,times,serif; font-size: 12pt;"><hr size="1">De : Sander Poelert <S.L.Poelert@student.TUDelft.NL> À : gate-users@lists.healthgrid.org Envoyé le : Samedi, 28 Mars 2009, 20h42mn 10s Objet : [Gate-users] Align the source with the X or Y axis <title>Align the source with the X or Y axis</title> Dear Gate-users, I'd like to rotate my gamma-source, which I gave a cylinder-volume, to align with the x or y axis and not the default alignment (z-axis). Does anyone know if this is possible and if so, what command to use? Thanks a lot in advance! Greetings, Sander Poelert Delft University of Technology, Netherlands </div></div></div> </body></html>