Logo ROOT   6.13/01
Reference Guide
geant3tasks.C File Reference

Detailed Description

This script is a representation using TTasks of the Geant3 simulation program This example uses directly TTask objects.

A real implementation would require one class per task derived from TTask.

void geant3tasks()
{
TTask *geant3 = new TTask("geant3","Geant3 simulation main program");
gROOT->GetListOfTasks()->Add(geant3);
TTask *uginit = new TTask("uginit","Initialisation manager");
TTask *grun = new TTask("grun","Run manager");
TTask *uglast = new TTask("uglast","Termination manager");
geant3->Add(uginit);
geant3->Add(grun);
geant3->Add(uglast);
TTask *ginit = new TTask("ginit","Geant3 initialisation");
TTask *ugeom = new TTask("ugeom","Geometry initialisation manager");
TTask *gphysi = new TTask("gphysi","Initialise cross-sections and energy loss tables");
TTask *ggclos = new TTask("ggclos","Geometry analyzer and optimizer");
uginit->Add(ginit);
uginit->Add(ugeom);
uginit->Add(gphysi);
uginit->Add(ggclos);
TTask *gtrigi = new TTask("gtrigi","Event initialisation");
TTask *gtrig = new TTask("gtrig","Event manager");
TTask *gtrigc = new TTask("gtrigc","Event cleaner");
grun->Add(gtrigi);
grun->Add(gtrig);
grun->Add(gtrigc);
TTask *glast = new TTask("glast","Geant3 termination");
TTask *igend = new TTask("igend","Graphics package termination");
uglast->Add(glast);
uglast->Add(igend);
TTask *gukine = new TTask("gukine","Event generator manager");
TTask *gutrev = new TTask("gutrev","Event application manager");
TTask *gudigi = new TTask("gudigi","Event digitisation manager");
TTask *guout = new TTask("guout","Event termination manager");
gtrig->Add(gukine);
gtrig->Add(gutrev);
gtrig->Add(gudigi);
gtrig->Add(guout);
TTask *gtreve = new TTask("gtreve","Geant3 event manager");
gutrev->Add(gtreve);
TTask *gltrac = new TTask("gltrac","Initialize tracking parameters");
TTask *gftrac = new TTask("gftrac","select next track segment from stack JTRACK");
TTask *gutrak = new TTask("gutrak","Application track manager");
gtreve->Add(gltrac);
gtreve->Add(gftrac);
gtreve->Add(gutrak);
TTask *gtrack = new TTask("gtrack","Geant3 track manager");
gutrak->Add(gtrack);
TTask *gtgama = new TTask("gtgama","photon propagator");
TTask *gtelec = new TTask("gtelec","electron propagator");
TTask *gtneut = new TTask("gtneut","neutron propagator");
TTask *gthadr = new TTask("gthadr","hadron propagator");
TTask *gtmuon = new TTask("gtmuon","muon propagator");
TTask *gtnino = new TTask("gtnino","geantino propagator");
TTask *gtckov = new TTask("gtckov","Cherenkov light propagator");
TTask *gthion = new TTask("gthion","heavy ion propagator");
TTask *gustep = new TTask("gustep","Application step manager");
TTask *gtmedi = new TTask("gtmedi","Geometry volume finder");
gtrack->Add(gtgama);
gtrack->Add(gtelec);
gtrack->Add(gtneut);
gtrack->Add(gthadr);
gtrack->Add(gtmuon);
gtrack->Add(gtnino);
gtrack->Add(gtckov);
gtrack->Add(gthion);
gtrack->Add(gustep);
gtrack->Add(gtmedi);
TTask *gtnext = new TTask("gtnext","Geometry bounary manager");
TTask *gpairg = new TTask("gpairg","Generate pair production");
TTask *gcomp = new TTask("gcomp","Generate Compton scattering");
TTask *gphot = new TTask("gphot","Generate photo effect");
TTask *grayl = new TTask("grayl","Generate Rayleigh effect");
TTask *gpfis = new TTask("gpfis","Generate photo fission");
gtgama->Add(gtnext);
gtgama->Add(gpairg);
gtgama->Add(gcomp);
gtgama->Add(gphot);
gtgama->Add(grayl);
gtgama->Add(gpfis);
TTask *guswim = new TTask("guswim","magnetic field propagator");
TTask *ggckov = new TTask("ggckov","Generate Cherenkov photons");
TTask *gsync = new TTask("gsync","Generate synchrotron radiation");
TTask *gmults = new TTask("gmults","Apply multiple scattering");
TTask *gbreme = new TTask("gbreme","Generate Bremsstrahlung");
TTask *gdray = new TTask("gdray","Generate delta ray");
TTask *ganni = new TTask("ganni","Generate Positron annihilation");
TTask *gannir = new TTask("gannir","Stopped tracks and annihilation at rest");
gtelec->Add(gtnext);
gtelec->Add(guswim);
gtelec->Add(ggckov);
gtelec->Add(gsync);
gtelec->Add(gmults);
gtelec->Add(gbreme);
gtelec->Add(gdray);
gtelec->Add(ganni);
gtelec->Add(gannir);
TTask *guphad = new TTask("guphad","Hadronic cross-section manager");
TTask *guhadr = new TTask("guhadr","Hadronic cascade manager");
TTask *gdecay = new TTask("gdecay","Particle decay");
gtneut->Add(gtnext);
gtneut->Add(guphad);
gtneut->Add(guhadr);
gtneut->Add(gdecay);
gthadr->Add(gtnext);
gthadr->Add(guphad);
gthadr->Add(guswim);
gthadr->Add(ggckov);
gthadr->Add(gmults);
gthadr->Add(guhadr);
gthadr->Add(gdecay);
gthadr->Add(gdray);
TTask *gbremm = new TTask("gbremm","Generate Bremsstrahlung");
TTask *gpairm = new TTask("gpairm","Generate Pair production");
TTask *gmunu = new TTask("gmunu","Generate Nuclear interaction");
gtmuon->Add(gtnext);
gtmuon->Add(guswim);
gtmuon->Add(ggckov);
gtmuon->Add(gmults);
gtmuon->Add(gbremm);
gtmuon->Add(gpairm);
gtmuon->Add(gdecay);
gtmuon->Add(gdray);
gtmuon->Add(gmunu);
gtmuon->Add(gdecay);
gtnino->Add(gtnext);
TTask *glisur = new TTask("glisur","Photon is reflected");
gtckov->Add(gtnext);
gtckov->Add(glisur);
gthion->Add(gtnext);
gthion->Add(guswim);
gthion->Add(gmults);
gthion->Add(guhadr);
gthion->Add(gdray);
new TBrowser;
gDebug = 2;
}
Author
Rene Brun

Definition in file geant3tasks.C.