| Geant4 Cross Reference |
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25 // 25 //
26 #include "G4FastSimulationHelper.hh" 26 #include "G4FastSimulationHelper.hh"
27 27
28 #include "G4FastSimulationManagerProcess.hh" 28 #include "G4FastSimulationManagerProcess.hh"
29 #include "G4ProcessManager.hh" 29 #include "G4ProcessManager.hh"
30 30
31 void G4FastSimulationHelper::ActivateFastSimul 31 void G4FastSimulationHelper::ActivateFastSimulation(G4ProcessManager* pmanager,
32 32 G4String parallelGeometryName)
33 { 33 {
34 G4FastSimulationManagerProcess* fastSimProce 34 G4FastSimulationManagerProcess* fastSimProcess;
35 if (parallelGeometryName.empty()) { 35 if (parallelGeometryName.empty()) {
36 fastSimProcess = new G4FastSimulationManag 36 fastSimProcess = new G4FastSimulationManagerProcess("fastSimProcess_massGeom");
37 // -- For the parametrisation envelope bel 37 // -- For the parametrisation envelope belonging to the mass geometry case, the
38 // G4FastSimulationManagerProcess 38 // G4FastSimulationManagerProcess
39 // -- is a PostStep process, and ordering 39 // -- is a PostStep process, and ordering does not matter:
40 pmanager->AddDiscreteProcess(fastSimProces 40 pmanager->AddDiscreteProcess(fastSimProcess);
41 } 41 }
42 else { 42 else {
43 fastSimProcess = 43 fastSimProcess =
44 new G4FastSimulationManagerProcess("fast 44 new G4FastSimulationManagerProcess("fastSimProcess_parallelGeom", parallelGeometryName);
45 // -- For the parallel geometry case, the 45 // -- For the parallel geometry case, the G4FastSimulationManagerProcessz
46 // -- is an Along+PostStep process, and or 46 // -- is an Along+PostStep process, and ordering matters:
47 pmanager->AddProcess(fastSimProcess); 47 pmanager->AddProcess(fastSimProcess);
48 pmanager->SetProcessOrdering(fastSimProces 48 pmanager->SetProcessOrdering(fastSimProcess, idxAlongStep, 1);
49 } 49 }
50 // If the parallel world 50 // If the parallel world
51 // exists (with parallel world physics), e.g 51 // exists (with parallel world physics), e.g. for the sensitive detector.
52 // In that case make sure fast simulation is 52 // In that case make sure fast simulation is the first process to be checked by the steppping
53 // manager (highest ordering) so that user c 53 // manager (highest ordering) so that user can kill the particle and/or deposit energy, ignoring
54 // other processes. Otherwise the parallel w 54 // other processes. Otherwise the parallel world physics (which is a StronglyFroced process) will
55 // invoke a PostStepDoIt on the same step, l 55 // invoke a PostStepDoIt on the same step, leading to e.g. duplicated energy deposits.
56 56
57 // Register as the process with highest orde 57 // Register as the process with highest ordering so it is checked as the first one,
58 // and since it is exclusively forced no oth 58 // and since it is exclusively forced no other process will be considered (to be invoked).
59 pmanager->SetProcessOrderingToLast(fastSimPr 59 pmanager->SetProcessOrderingToLast(fastSimProcess, idxPostStep);
60 } 60 }
61 61