<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 3.2//EN"> <HTML> <HEAD> <META HTTP-EQUIV="Content-Type" CONTENT="text/html; charset=iso-8859-1"> <META NAME="Generator" CONTENT="MS Exchange Server version 6.5.7654.12"> <TITLE>Align the source with the X or Y axis</TITLE> </HEAD> <BODY>  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 </BODY> </HTML>