void ViewMAG()
{
   gMC->Gsatt("L3MO","seen",0);
   gMC->Gsatt("L3CO","seen",1);
   gMC->Gsatt("L3C1","seen",1);
   gMC->Gsatt("L3YO","seen",1);
   gMC->Gsatt("L3DO","seen",0);
   gMC->Gsatt("L3FR","seen",1);
   gMC->Gsatt("L3IR","seen",0);
   gMC->Gsatt("L3O1","seen",1);
   gMC->Gsatt("L3O2","seen",1);
}