<div dir="ltr">Hi every body,<div><br></div><div>After I enter following commands in vGate_2.1:</div><div><br></div><div><b>Idle> gate/world/daughters/name XXX</b></div><div><b>Idle> gate/world/daughters/insert box</b></div>
<div><br></div><div>I face this error:</div><div><br></div><div><b>/home/gate/Progs/Gate/gate_v6.2/source/geometry/src/GateMaterialDatabase.cc (l.132): GateMaterialDatabase: could not find the definition for material 'Vacuum' in material files</b></div>
<div><b><br></b></div><div>And once I enter <b>Idle> /gate/geometry/setMaterialDatabase GateMaterials.db</b></div><div> following message appears </div><div><br></div><div><div><b>-------- EEEE ------- G4Exception-START -------- EEEE -------</b></div>
<div><b>*** G4Exception : GateMDBFile</b></div><div><b> issued by : GateMDBFile::GateMDBFile</b></div><div><b>Could not find material database file 'GateMaterials.db'</b></div><div><b>*** Fatal Exception *** core dump ***</b></div>
<div><b>-------- EEEE -------- G4Exception-END --------- EEEE -------</b></div></div><div><br></div><div>the result is the same when I type <b>Idle> /gate/geometry/setMaterialDatabase data/GateMaterials.db</b></div><div>
<b><br></b></div><div>what is the problem? and how can I solve this problem to define my volume?</div><div><br></div><div>Thank you </div><div><br></div><div> </div></div>