// AliTPCSpaceCharge3D sc;
// sc.WriteChargeDistributionToFile("SC_zr2_GGleaks.root");
// sc.SetSCDataFileName("SC_zr2_GGleaks.root");
// AliTPCSpaceCharge3D sc;
// sc.WriteChargeDistributionToFile("SC_zr2_GGleaks.root");
// sc.SetSCDataFileName("SC_zr2_GGleaks.root");