cmptrk.dP2 = kaltrack->GetSnp()-geatrack->GetSnp();
cmptrk.dP3 = kaltrack->GetTgl()-geatrack->GetTgl();
cmptrk.dP4 = kaltrack->GetC()-geatrack->GetC();
cmptrk.dP2 = kaltrack->GetSnp()-geatrack->GetSnp();
cmptrk.dP3 = kaltrack->GetTgl()-geatrack->GetTgl();
cmptrk.dP4 = kaltrack->GetC()-geatrack->GetC();