<div><br clear="all">I installed CLHEP ,Geant4, ,.. succesfuly in Linux.</div>
<div>But when I try to install gate , i can't do it.</div>
<div>i write </div>
<div>: source env_gate.csh</div>
<div> </div>
<div>:The environment variable G4version is not defined yet.</div>
<div>you must defin G4version before you can configure Gate<br> </div>
<div>please help me in exact installation of Gate </div>
<div> </div>
<div> </div>
<div>-- <br>Hadi Taleshi Ahangari<br>MSc. Tarbiat modarres University </div>