BDSIM
BDSIM is a Geant4 extension toolkit for simulation of particle transport in accelerator beamlines.
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BDSProcessUserSpecialCutsPDG.cc
1/*
2Beam Delivery Simulation (BDSIM) Copyright (C) BDSIM Collaboration, 2001 - 2026.
3
4This file is part of BDSIM.
5
6BDSIM is free software: you can redistribute it and/or modify
7it under the terms of the GNU General Public License as published
8by the Free Software Foundation version 3 of the License.
9
10BDSIM is distributed in the hope that it will be useful, but
11WITHOUT ANY WARRANTY; without even the implied warranty of
12MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13GNU General Public License for more details.
14
15You should have received a copy of the GNU General Public License
16along with BDSIM. If not, see <http://www.gnu.org/licenses/>.
17*/
18#include "BDSProcessUserSpecialCutsPDG.hh"
19
20#include "G4Types.hh"
21
22#include <limits>
23#include <set>
24
25BDSProcessUserSpecialCutsPDG::BDSProcessUserSpecialCutsPDG():
26 G4UserSpecialCuts("BDSUserSpecialCutsPDGID")
27{;}
28
29BDSProcessUserSpecialCutsPDG::BDSProcessUserSpecialCutsPDG(const std::set<G4int>& pdgIDsIn):
30 G4UserSpecialCuts("BDSUserSpecialCutsPDGID"),
31 pdgIDs(pdgIDsIn)
32{;}
33
34BDSProcessUserSpecialCutsPDG::~BDSProcessUserSpecialCutsPDG()
35{;}
36
37G4double BDSProcessUserSpecialCutsPDG::PostStepGetPhysicalInteractionLength(const G4Track& track,
38 G4double previousStepSize,
39 G4ForceCondition* condition)
40{
41 G4int pdgID = track.GetDynamicParticle()->GetPDGcode();
42 if (pdgIDs.count(pdgID) > 0)
43 {
44 *condition = NotForced;
45 return std::numeric_limits<double>::max();
46 }
47 else
48 {return G4UserSpecialCuts::PostStepGetPhysicalInteractionLength(track, previousStepSize, condition);}
49}