+++ /dev/null
-///////////////////////////////////////////////////////////////////////////
-//
-// Copyright 2010
-//
-// This file is part of starlight.
-//
-// starlight is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// starlight is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with starlight. If not, see <http://www.gnu.org/licenses/>.
-//
-///////////////////////////////////////////////////////////////////////////
-//
-// File and Version Information:
-// $Rev:: $: revision of last commit
-// $Author:: $: author of last commit
-// $Date:: $: date of last commit
-//
-// Description:
-//
-//
-//
-///////////////////////////////////////////////////////////////////////////
-
-
-#include <iostream>
-#include <fstream>
-#include <cstdlib>
-
-#include "starlightconfig.h"
-
-#ifdef ENABLE_PYTHIA
-#include "PythiaStarlight.h"
-#endif
-
-#ifdef ENABLE_DPMJET
-#include "starlightdpmjet.h"
-#endif
-
-#ifdef ENABLE_PYTHIA6
-#include "starlightpythia.h"
-#endif
-
-#include "reportingUtils.h"
-#include "inputParameters.h"
-#include "eventchannel.h"
-#include "gammagammaleptonpair.h"
-#include "gammagammasingle.h"
-#include "gammaavm.h"
-#include "psifamily.h"
-#include "twophotonluminosity.h"
-#include "gammaaluminosity.h"
-#include "incoherentPhotonNucleusLuminosity.h"
-#include "upcevent.h"
-#include "eventfilewriter.h"
-#include "starlight.h"
-
-
-using namespace std;
-using namespace starlightConstants;
-
-
-starlight::starlight() :
- _beam0 (0),
- _beam1 (0),
- _beamSystem (0),
- _eventChannel (0),
- _nmbEventsPerFile (100),
- _nmbEventsToGenerate (10),
- _configFileName ("slight.in"),
- _eventDataFileName ("slight.out"),
- _lumLookUpTableFileName("slight.txt"),
- _isInitialised (false)
-{ }
-
-
-starlight::~starlight()
-{ }
-
-
-bool
-starlight::init()
-{
- if(Starlight_VERSION_MAJOR == 9999)
- {
- cout << "##################################" << endl
- << " Initialising Starlight version: trunk..." << endl
- << "##################################" << endl;
- }
- else
- {
- cout << "##################################" << endl
- << " Initialising Starlight version: " << Starlight_VERSION_MAJOR << "."
- << Starlight_VERSION_MINOR << "." << Starlight_VERSION_MINOR_MINOR << "..." << endl
- << "##################################" << endl;
- }
-
- _nmbEventsPerFile = inputParametersInstance.nmbEvents(); // for now we write only one file...
-
- _beamSystem = new beamBeamSystem;
-
-// cout << "Created beam system with beam lorentz gamma: " << _beamSystem->beamLorentzGamma() << endl;
-
- // streamsize precision(15);
- cout.setf(ios_base::fixed,ios_base::floatfield);
- cout.precision(15);
- const bool lumTableIsValid = luminosityTableIsValid();
- bool createChannel = true;
- switch (inputParametersInstance.interactionType()) {
- case PHOTONPHOTON:
- if (!lumTableIsValid) {
- printInfo << "creating luminosity table for photon-photon channel" << endl;
- twoPhotonLuminosity(_beamSystem->beam1(), _beamSystem->beam2());
- }
- break;
- case PHOTONPOMERONNARROW: // narrow and wide resonances use
- case PHOTONPOMERONWIDE: // the same luminosity function
- if (!lumTableIsValid) {
- printInfo << "creating luminosity table for coherent photon-Pomeron channel" <<endl;
- photonNucleusLuminosity lum(*_beamSystem);
- }
- break;
- case PHOTONPOMERONINCOHERENT: // narrow and wide resonances use
- if (!lumTableIsValid) {
- printInfo << "creating luminosity table for incoherent photon-Pomeron channel" << endl;
- incoherentPhotonNucleusLuminosity lum(*_beamSystem);
- }
- break;
-#ifdef ENABLE_DPMJET
- case PHOTONUCLEARSINGLE:
- createChannel = false;
- _eventChannel = new starlightDpmJet(*_beamSystem);
- std::cout << "CREATING PHOTONUCLEAR/DPMJET SINGLE" << std::endl;
- dynamic_cast<starlightDpmJet*>(_eventChannel)->setSingleMode();
- dynamic_cast<starlightDpmJet*>(_eventChannel)->setMinGammaEnergy(inputParametersInstance.minGammaEnergy());
- dynamic_cast<starlightDpmJet*>(_eventChannel)->setMaxGammaEnergy(inputParametersInstance.maxGammaEnergy());
- dynamic_cast<starlightDpmJet*>(_eventChannel)->init();
- break;
- case PHOTONUCLEARDOUBLE:
- createChannel = false;
- _eventChannel = new starlightDpmJet(*_beamSystem);
- std::cout << "CREATING PHOTONUCLEAR/DPMJET DOUBLE" << std::endl;
- dynamic_cast<starlightDpmJet*>(_eventChannel)->setDoubleMode();
- dynamic_cast<starlightDpmJet*>(_eventChannel)->setMinGammaEnergy(inputParametersInstance.minGammaEnergy());
- dynamic_cast<starlightDpmJet*>(_eventChannel)->setMaxGammaEnergy(inputParametersInstance.maxGammaEnergy());
- dynamic_cast<starlightDpmJet*>(_eventChannel)->init();
- break;
- case PHOTONUCLEARSINGLEPA:
- createChannel = false;
- _eventChannel = new starlightDpmJet(*_beamSystem);
- std::cout << "CREATING PHOTONUCLEAR/DPMJET SINGLE" << std::endl;
- dynamic_cast<starlightDpmJet*>(_eventChannel)->setSingleMode();
- dynamic_cast<starlightDpmJet*>(_eventChannel)->setProtonMode();
- dynamic_cast<starlightDpmJet*>(_eventChannel)->setMinGammaEnergy(inputParametersInstance.minGammaEnergy());
- dynamic_cast<starlightDpmJet*>(_eventChannel)->setMaxGammaEnergy(inputParametersInstance.maxGammaEnergy());
- dynamic_cast<starlightDpmJet*>(_eventChannel)->init();
- break;
-#endif
-#ifdef ENABLE_PYTHIA6
- case PHOTONUCLEARSINGLEPAPY:
- createChannel = false;
- _eventChannel = new starlightPythia(*_beamSystem);
- std::cout << "CREATING PHOTONUCLEAR/PYTHIA SINGLE" << std::endl;
- dynamic_cast<starlightPythia*>(_eventChannel)->setSingleMode();
- dynamic_cast<starlightPythia*>(_eventChannel)->setMinGammaEnergy(inputParametersInstance.minGammaEnergy());
- dynamic_cast<starlightPythia*>(_eventChannel)->setMaxGammaEnergy(inputParametersInstance.maxGammaEnergy());
- dynamic_cast<starlightPythia*>(_eventChannel)->init(inputParametersInstance.pythiaParams(), inputParametersInstance.pythiaFullEventRecord());
- break;
-#endif
- default:
- {
- printWarn << "unknown interaction type '" << inputParametersInstance.interactionType() << "'."
- << " cannot initialize starlight." << endl;
- return false;
- }
- }
-
- if(createChannel)
- {
- if (!createEventChannel())
- return false;
- }
-
- _isInitialised = true;
- return true;
-}
-
-
-upcEvent
-starlight::produceEvent()
-{
- if (!_isInitialised) {
- printErr << "trying to generate event but Starlight is not initialised. aborting." << endl;
- exit(-1);
- }
- return _eventChannel->produceEvent();
-}
-
-
-bool
-starlight::luminosityTableIsValid() const
-{
- printInfo << "using random seed = " << inputParametersInstance.randomSeed() << endl;
-
- ifstream lumLookUpTableFile(_lumLookUpTableFileName.c_str());
- lumLookUpTableFile.precision(15);
- if ((!lumLookUpTableFile) || (!lumLookUpTableFile.good())) {
- // printWarn << "cannot open file '" << _lumLookUpTableFileName << "'" << endl;
- return false;
- }
-
- unsigned int beam1Z, beam1A, beam2Z, beam2A;
- double beamLorentzGamma = 0;
- double maxW = 0, minW = 0;
- unsigned int nmbWBins;
- double maxRapidity = 0;
- unsigned int nmbRapidityBins;
- int productionMode, beamBreakupMode;
- bool interferenceEnabled = false;
- double interferenceStrength = 0;
- bool coherentProduction = false;
- double incoherentFactor = 0, deuteronSlopePar = 0, maxPtInterference = 0;
- int nmbPtBinsInterference;
- std::string validationKey;
- if (!(lumLookUpTableFile
- >> validationKey
- >> beam1Z >> beam1A
- >> beam2Z >> beam2A
- >> beamLorentzGamma
- >> maxW >> minW >> nmbWBins
- >> maxRapidity >> nmbRapidityBins
- >> productionMode
- >> beamBreakupMode
- >> interferenceEnabled >> interferenceStrength
- >> coherentProduction >> incoherentFactor
- >> deuteronSlopePar
- >> maxPtInterference
- >> nmbPtBinsInterference))
- // cannot read parameters from lookup table file
- return false;
-
- std::string validationKeyEnd;
- while(!lumLookUpTableFile.eof())
- {
- lumLookUpTableFile >> validationKeyEnd;
- }
- lumLookUpTableFile.close();
- return (validationKey == inputParametersInstance.parameterValueKey() && validationKeyEnd == validationKey);
- return true;
-}
-
-
-bool
-starlight::createEventChannel()
-{
- switch (inputParametersInstance.prodParticleType()) {
- case ELECTRON:
- case MUON:
- case TAUON:
- {
- _eventChannel = new Gammagammaleptonpair(*_beamSystem);
- if (_eventChannel)
- return true;
- else {
- printWarn << "cannot construct Gammagammaleptonpair event channel." << endl;
- return false;
- }
- }
- case A2: // jetset
- case ETA: // jetset
- case ETAPRIME: // jetset
- case ETAC: // jetset
- case F0: // jetset
- {
-#ifdef ENABLE_PYTHIA
- // PythiaOutput = true;
- cout<<"Pythia is enabled!"<<endl;
-// return true;
-#else
- printWarn << "Starlight is not compiled against Pythia8; "
- << "jetset event channel cannot be used." << endl;
- return false;
-#endif
- }
- case F2:
- case F2PRIME:
- case ZOVERZ03:
- {
- // #ifdef ENABLE_PYTHIA
- cout<<" This is f2, f2prim, zoverz03 "<<endl;
- _eventChannel= new Gammagammasingle(*_beamSystem);
- if (_eventChannel)
- return true;
- else {
- printWarn << "cannot construct Gammagammasingle event channel." << endl;
- return false;
- }
- // #endif
- // printWarn << "Starlight is not compiled against Pythia8; "
- // << "Gammagammasingle event channel cannot be used." << endl;
- // return false;
- }
- case RHO:
- case RHOZEUS:
- case FOURPRONG:
- case OMEGA:
- case PHI:
- case JPSI:
- case JPSI2S:
- case JPSI2S_ee:
- case JPSI2S_mumu:
- case JPSI_ee:
- case JPSI_mumu:
- case UPSILON:
- case UPSILON_ee:
- case UPSILON_mumu:
- case UPSILON2S:
- case UPSILON2S_ee:
- case UPSILON2S_mumu:
- case UPSILON3S:
- case UPSILON3S_ee:
- case UPSILON3S_mumu:
- {
- if (inputParametersInstance.interactionType() == PHOTONPOMERONNARROW) {
- _eventChannel = new Gammaanarrowvm(*_beamSystem);
- if (_eventChannel)
- return true;
- else {
- printWarn << "cannot construct Gammaanarrowvm event channel." << endl;
- return false;
- }
- }
-
- if (inputParametersInstance.interactionType() == PHOTONPOMERONWIDE) {
- _eventChannel = new Gammaawidevm(*_beamSystem);
- if (_eventChannel)
- return true;
- else {
- printWarn << "cannot construct Gammaawidevm event channel." << endl;
- return false;
- }
- }
-
- if (inputParametersInstance.interactionType() == PHOTONPOMERONINCOHERENT) {
- _eventChannel = new Gammaaincoherentvm(*_beamSystem);
- if (_eventChannel)
- return true;
- else {
- printWarn << "cannot construct Gammaanarrowvm event channel." << endl;
- return false;
- }
- }
-
- printWarn << "interaction type '" << inputParametersInstance.interactionType() << "' "
- << "cannot be used with particle type '" << inputParametersInstance.prodParticleType() << "'. "
- << "cannot create event channel." << endl;
- return false;
- }
- default:
- {
- printWarn << "unknown event channel '" << inputParametersInstance.prodParticleType() << "'."
- << " cannot create event channel." << endl;
- return false;
- }
- }
-}
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff