/data/refman/pasoursint/CMSSW_6_1_2_SLHC2_patch1/src/RecoParticleFlow/PFClusterTools/src/SpaceManager.cc

Go to the documentation of this file.

#include "RecoParticleFlow/PFClusterTools/interface/SpaceManager.h"
#include <cassert>
#include <algorithm>
#include <cmath>
#include "TROOT.h"
#include <string>
#include "TH3F.h"
#include "TVirtualFitter.h"
#include "TProfile.h"
using namespace pftools;

SpaceManager::SpaceManager(std::string name) :
        name_(name), barrelLimit_(1.4), transitionLimit_(1.4), endcapLimit_(5.0) {
        regionsToSVs_[BARREL_POS] = barrelPosRegion_;
        regionsToSVs_[ENDCAP_POS] = endcapPosRegion_;
}

SpaceManager::~SpaceManager() {

}

void SpaceManager::clear() {
        for (std::map<SpaceVoxelPtr, CalibratorPtr>::iterator it =
                        myAddressBook.begin(); it!= myAddressBook.end(); ++it) {
                SpaceVoxelPtr s = (*it).first;
                CalibratorPtr c = (*it).second;
        }
}

void SpaceManager::createCalibrators(const Calibrator& toClone,
                const double etaSeg, const double phiSeg, const double energySeg) {
        std::cout << __PRETTY_FUNCTION__
                        << ": this method has not yet been implemented!\n";
        PFToolsException me("Unimplemented method! Sorry!");
        throw me;

}

void SpaceManager::createCalibrators(const Calibrator& toClone) {
        clear();
        std::cout << __PRETTY_FUNCTION__
                        << ": creating default calibration schema.\n";

        SpaceVoxelPtr sv(new SpaceVoxel(-1.0*barrelLimit_, barrelLimit_, -3.2, 3.2, 0, 3.0));
        barrelPosRegion_.push_back(sv);
        SpaceVoxelPtr sv1(new SpaceVoxel(-1.0*barrelLimit_, barrelLimit_, -3.2, 3.2, 3, 9.0));
        barrelPosRegion_.push_back(sv1);
        SpaceVoxelPtr sv2(new SpaceVoxel(-1.0*barrelLimit_, barrelLimit_, -3.2, 3.2, 9.0, 16.0));
        barrelPosRegion_.push_back(sv2);
        SpaceVoxelPtr sv3(new SpaceVoxel(-1.0*barrelLimit_, barrelLimit_, -3.2, 3.2, 16.0, 25.0));
        barrelPosRegion_.push_back(sv3);
        SpaceVoxelPtr sv4(new SpaceVoxel(-1.0*barrelLimit_, barrelLimit_, -3.2, 3.2, 25.0, 100.0));
        barrelPosRegion_.push_back(sv4);
        SpaceVoxelPtr sv5(new SpaceVoxel(-1.0*barrelLimit_, barrelLimit_, -3.2, 3.2, 100.0, 200.0));
        barrelPosRegion_.push_back(sv5);
        SpaceVoxelPtr sv6(new SpaceVoxel(-1.0*barrelLimit_, barrelLimit_, -3.2, 3.2, 200.0, 400.0));
        barrelPosRegion_.push_back(sv6);

        //      SpaceVoxelPtr sv(new SpaceVoxel(-1.0*barrelLimit_, barrelLimit_, -3.2, 3.2, 0, 2.0));
        //      barrelPosRegion_.push_back(sv);
        //      SpaceVoxelPtr sv1(new SpaceVoxel(-1.0*barrelLimit_, barrelLimit_, -3.2, 3.2, 1, 1.5));
        //      barrelPosRegion_.push_back(sv1);
        //      SpaceVoxelPtr sv2(new SpaceVoxel(-1.0*barrelLimit_, barrelLimit_, -3.2, 3.2, 1.5, 2.0));
        //      barrelPosRegion_.push_back(sv2);
        //      SpaceVoxelPtr sv3(new SpaceVoxel(-1.0*barrelLimit_, barrelLimit_, -3.2, 3.2, 2.0, 2.5));
        //      barrelPosRegion_.push_back(sv3);
        //      SpaceVoxelPtr sv4(new SpaceVoxel(-1.0*barrelLimit_, barrelLimit_, -3.2, 3.2, 2.5, 4.0));
        //      barrelPosRegion_.push_back(sv4);
        //      SpaceVoxelPtr sv41(new SpaceVoxel(-1.0*barrelLimit_, barrelLimit_, -3.2, 3.2, 4.0, 5.0));
        //      barrelPosRegion_.push_back(sv41);
        //      SpaceVoxelPtr sv5(new SpaceVoxel(-1.0*barrelLimit_, barrelLimit_, -3.2, 3.2, 5.0, 6.5));
        //      barrelPosRegion_.push_back(sv5);
        //      SpaceVoxelPtr sv51(new SpaceVoxel(-1.0*barrelLimit_, barrelLimit_, -3.2, 3.2, 6.5, 8.0));
        //      barrelPosRegion_.push_back(sv51);
        //      SpaceVoxelPtr sv6(new SpaceVoxel(-1.0*barrelLimit_, barrelLimit_, -3.2, 3.2, 8.0, 10.0));
        //      barrelPosRegion_.push_back(sv6);
        //      SpaceVoxelPtr sv61(new SpaceVoxel(-1.0*barrelLimit_, barrelLimit_, -3.2, 3.2, 10.0, 12.0));
        //      barrelPosRegion_.push_back(sv61);
        //      SpaceVoxelPtr sv7(new SpaceVoxel(-1.0*barrelLimit_, barrelLimit_, -3.2, 3.2, 12.0, 16.0));
        //      barrelPosRegion_.push_back(sv7);
        //      SpaceVoxelPtr sv8(new SpaceVoxel(-1.0*barrelLimit_, barrelLimit_, -3.2, 3.2, 16.0, 25.0));
        //      barrelPosRegion_.push_back(sv8);
        //      SpaceVoxelPtr sv9(new SpaceVoxel(-1.0*barrelLimit_, barrelLimit_, -3.2, 3.2, 25.0, 40.0));
        //      barrelPosRegion_.push_back(sv9);
        //      SpaceVoxelPtr sv10(new SpaceVoxel(-1.0*barrelLimit_, barrelLimit_, -3.2, 3.2, 40.0, 60.0));
        //      barrelPosRegion_.push_back(sv10);
        //      SpaceVoxelPtr sv11(new SpaceVoxel(-1.0*barrelLimit_, barrelLimit_, -3.2, 3.2, 60.0, 100.0));
        //      barrelPosRegion_.push_back(sv11);
        //      SpaceVoxelPtr sv12(new SpaceVoxel(-1.0*barrelLimit_, barrelLimit_, -3.2, 3.2, 100.0, 200.0));
        //      barrelPosRegion_.push_back(sv12);
        //      SpaceVoxelPtr sv13(new SpaceVoxel(-1.0*barrelLimit_, barrelLimit_, -3.2, 3.2, 200.0, 400.0));
        //      barrelPosRegion_.push_back(sv13);

        SpaceVoxelPtr sve(new SpaceVoxel(barrelLimit_, endcapLimit_, -3.2, 3.2, 0, 3.0));
        endcapPosRegion_.push_back(sve);
        SpaceVoxelPtr sve0(new SpaceVoxel(barrelLimit_, endcapLimit_, -3.2, 3.2, 3.0, 9.0));
        endcapPosRegion_.push_back(sve0);
        SpaceVoxelPtr sve1(new SpaceVoxel(barrelLimit_, endcapLimit_, -3.2, 3.2, 9.0, 16.0));
        endcapPosRegion_.push_back(sve1);
        SpaceVoxelPtr sve2(new SpaceVoxel(barrelLimit_, endcapLimit_, -3.2, 3.2, 16.0, 25.0));
        endcapPosRegion_.push_back(sve2);
        SpaceVoxelPtr sve3(new SpaceVoxel(barrelLimit_, endcapLimit_, -3.2, 3.2, 25.0, 100.0));
        endcapPosRegion_.push_back(sve3);
        SpaceVoxelPtr sve4(new SpaceVoxel(barrelLimit_, endcapLimit_, -3.2, 3.2, 100.0, 200.0));
        endcapPosRegion_.push_back(sve4);
        SpaceVoxelPtr sve5(new SpaceVoxel(barrelLimit_, endcapLimit_, -3.2, 3.2, 200.0, 400.0));
        endcapPosRegion_.push_back(sve5);

        //      SpaceVoxelPtr sve(new SpaceVoxel(barrelLimit_, endcapLimit_, -3.2, 3.2, 0, 0.5));
        //      endcapPosRegion_.push_back(sve);
        //      SpaceVoxelPtr sve0(new SpaceVoxel(barrelLimit_, endcapLimit_, -3.2, 3.2, 0.5, 1.0));
        //      endcapPosRegion_.push_back(sve0);
        //      SpaceVoxelPtr sve1(new SpaceVoxel(barrelLimit_, endcapLimit_, -3.2, 3.2, 1, 1.5));
        //      endcapPosRegion_.push_back(sve1);
        //      SpaceVoxelPtr sve2(new SpaceVoxel(barrelLimit_, endcapLimit_, -3.2, 3.2, 1.5, 2.0));
        //      endcapPosRegion_.push_back(sve2);
        //      SpaceVoxelPtr sve3(new SpaceVoxel(barrelLimit_, endcapLimit_, -3.2, 3.2, 2.0, 2.5));
        //      endcapPosRegion_.push_back(sve3);
        //      SpaceVoxelPtr sve4(new SpaceVoxel(barrelLimit_, endcapLimit_, -3.2, 3.2, 2.5, 4.0));
        //      endcapPosRegion_.push_back(sve4);
        //      SpaceVoxelPtr sve5(new SpaceVoxel(barrelLimit_, endcapLimit_, -3.2, 3.2, 4.0, 5.0));
        //      endcapPosRegion_.push_back(sve5);
        //      SpaceVoxelPtr sve51(new SpaceVoxel(barrelLimit_, endcapLimit_, -3.2, 3.2, 5.0, 6.5));
        //      endcapPosRegion_.push_back(sve51);
        //      SpaceVoxelPtr sve6(new SpaceVoxel(barrelLimit_, endcapLimit_, -3.2, 3.2, 6.5, 8.0));
        //      endcapPosRegion_.push_back(sve6);
        //      SpaceVoxelPtr sve61(new SpaceVoxel(barrelLimit_, endcapLimit_, -3.2, 3.2, 8.0, 10.0));
        //      endcapPosRegion_.push_back(sve61);
        //      SpaceVoxelPtr sve62(new SpaceVoxel(barrelLimit_, endcapLimit_, -3.2, 3.2, 10.0, 12.0));
        //      endcapPosRegion_.push_back(sve62);
        //      SpaceVoxelPtr sve7(new SpaceVoxel(barrelLimit_, endcapLimit_, -3.2, 3.2, 12.0, 16.0));
        //      endcapPosRegion_.push_back(sve7);
        //      SpaceVoxelPtr sve8(new SpaceVoxel(barrelLimit_, endcapLimit_, -3.2, 3.2, 16.0, 25.0));
        //      endcapPosRegion_.push_back(sve8);
        //      SpaceVoxelPtr sve9(new SpaceVoxel(barrelLimit_, endcapLimit_, -3.2, 3.2, 25.0, 40.0));
        //      endcapPosRegion_.push_back(sve9);
        //      SpaceVoxelPtr sve10(new SpaceVoxel(barrelLimit_, endcapLimit_, -3.2, 3.2, 40.0, 60.0));
        //      endcapPosRegion_.push_back(sve10);
        //      SpaceVoxelPtr sve11(new SpaceVoxel(barrelLimit_, endcapLimit_, -3.2, 3.2, 60.0, 100.0));
        //      endcapPosRegion_.push_back(sve11);
        //      SpaceVoxelPtr sve12(new SpaceVoxel(barrelLimit_, endcapLimit_, -3.2, 3.2, 100.0, 200.0));
        //      endcapPosRegion_.push_back(sve12);
        //      SpaceVoxelPtr sve13(new SpaceVoxel(barrelLimit_, endcapLimit_, -3.2, 3.2, 200.0, 400.0));
        //      endcapPosRegion_.push_back(sve13);

        for (std::vector<SpaceVoxelPtr>::iterator it = barrelPosRegion_.begin(); it
                        != barrelPosRegion_.end(); ++it) {
                myKnownSpaceVoxels.push_back(*it);
        }

        for (std::vector<SpaceVoxelPtr>::iterator it = endcapPosRegion_.begin(); it
                        != endcapPosRegion_.end(); ++it) {
                myKnownSpaceVoxels.push_back(*it);
        }

        for (std::vector<SpaceVoxelPtr>::iterator it = myKnownSpaceVoxels.begin(); it
                        != myKnownSpaceVoxels.end(); ++it) {
                CalibratorPtr c(toClone.clone());
                myAddressBook[*it] = c;
        }
        std::cout << "Address book size: \t\t"<< myAddressBook.size() << "\n";
        std::cout << "Known space voxels size: \t"<< myKnownSpaceVoxels.size()
                        << "\n";
        assert(myAddressBook.size() == myKnownSpaceVoxels.size());

}

void SpaceManager::createCalibrators(const Calibrator& toClone,
                const unsigned nEta, const double etaMin, const double etaMax,
                const unsigned nPhi, const double phiMin, const double phiMax,
                const unsigned nEnergy, const double energyMin, const double energyMax)
                throw(PFToolsException&) {
        clear();

        if (nEta == 0|| nPhi ==0|| nEnergy == 0) {
                PFToolsException
                                me("Can't create calibrators with zero values for nEta, nPhi or nEnergy!");
                throw me;
        }

        double etaSeg = (etaMax - etaMin) / nEta;
        double phiSeg = (phiMax - phiMin) / nPhi;
        double energySeg = (energyMax - energyMin) / nEnergy;

        double eta1, eta2, phi1, phi2, energy1, energy2;
        for (unsigned k(0); k < nEta; ++k) {
                for (unsigned l(0); l < nPhi; ++l) {
                        for (unsigned m(0); m < nEnergy; ++m) {
                                eta1 = etaMin + k * etaSeg;
                                eta2 = eta1 + etaSeg;

                                phi1 = phiMin + l * phiSeg;
                                phi2 = phi1 + phiSeg;

                                energy1 = energyMin + m * energySeg;
                                energy2 = energy1 + energySeg;
                                SpaceVoxelPtr sv(new SpaceVoxel(eta1, eta2, phi1, phi2, energy1, energy2));
                                myKnownSpaceVoxels.push_back(sv);
                                CalibratorPtr c(toClone.clone());
                                myAddressBook[sv] = c;
                        }
                }
        }
        unsigned nCalibrators = nEta * nPhi * nEnergy;
        std::cout << "Created "<< nCalibrators << " calibrators.\n";
        std::cout << "Address book size: \t\t"<< myAddressBook.size() << "\n";
        std::cout << "Known space voxels size: \t"<< myKnownSpaceVoxels.size()
                        << "\n";
        assert(myAddressBook.size() == myKnownSpaceVoxels.size());
        makeInverseAddressBook();

}
CalibratorPtr SpaceManager::createCalibrator(const Calibrator& toClone,
                SpaceVoxelPtr s) {
        CalibratorPtr c;
        int known = count(myKnownSpaceVoxels.begin(), myKnownSpaceVoxels.end(), s);
        if (known == 0) {
                myKnownSpaceVoxels.push_back(s);
                c.reset(toClone.clone());
                myAddressBook[s] = c;
        } else {
                c = myAddressBook[s];
        }
        assert(c != 0);
        return c;

}

CalibratorPtr SpaceManager::findCalibrator(const double eta, const double phi,
                const double energy) const {
        CalibratorPtr answer;
        for (std::vector<SpaceVoxelPtr>::const_iterator cit =
                        myKnownSpaceVoxels.begin(); cit != myKnownSpaceVoxels.end(); ++cit) {
                SpaceVoxelPtr s = *cit;
                if (s->contains(eta, phi, energy)) {
                        assert(count(myKnownSpaceVoxels.begin(), myKnownSpaceVoxels.end(), s) != 0);
                        answer = (*myAddressBook.find(s)).second;
                        break;
                } else {
                        //assert(count(myKnownSpaceVoxels.begin(), myKnownSpaceVoxels.end(), s) == 0);
                }
        }
        return answer;
}

void SpaceManager::assignCalibration(CalibratorPtr c,
                std::map<DetectorElementPtr, double> result) {
        calibrationCoeffs_[c] = result;
        makeInverseAddressBook();
}

std::map<DetectorElementPtr, double> SpaceManager::getCalibration(CalibratorPtr c) {
        return calibrationCoeffs_[c];
}

TH1* SpaceManager::extractEvolution(DetectorElementPtr det, Region r, TF1& f1,
                bool useTruth) {

        std::vector<SpaceVoxelPtr> region;
        if (r == BARREL_POS)
                region = barrelPosRegion_;
        if (r == ENDCAP_POS)
                region = endcapPosRegion_;
        //region = regionsToSVs_[r];

        std::sort(region.begin(), region.end(), SpaceVoxel());

        std::string detElName = DetElNames[det->getType()];
        std::string name("hDist_");
        name.append(RegionNames[r]);
        name.append("_");
        name.append(DetElNames[det->getType()]);

        double minE(1000);
        double maxE(0);

        TH2F hDist(name.c_str(), name.c_str(), 100, 0, 300, 50, 0.0, 2.5);
        //      TH3F hSurf(nameSurf.c_str(), nameSurf.c_str(), 30, 0, 50, 10, 0.0, 3.0, 30,
        //                      0.0, 2.5);
        for (std::vector<SpaceVoxelPtr>::iterator i = region.begin(); i
                        != region.end(); ++i) {
                SpaceVoxelPtr s = *i;
                //double midE = (s->maxEnergy() + s->minEnergy()) / 2.0;
                if (s->maxEnergy() > maxE)
                        maxE = s->maxEnergy();
                if (s->minEnergy() < minE)
                        minE = s->minEnergy();
                CalibratorPtr c = myAddressBook[s];
                double coeff = calibrationCoeffs_[c][det];
                if (coeff != 0.0) {
                        std::vector<ParticleDepositPtr> particles = c->getParticles();
                        for (std::vector<ParticleDepositPtr>::iterator it =
                                        particles.begin(); it != particles.end(); ++it) {
                                if (useTruth)
                                        hDist.Fill((*it)->getTruthEnergy(), coeff);
                                else
                                        hDist.Fill((*it)->getRecEnergy(), coeff);
                        }
                }
        }

        hDist.FitSlicesY();
        hDist.ProfileX();
        hDist.Write();
        std::string nameProfile(name);
        nameProfile.append("_pfx");
        name.append("_1");

        TH1D* slices = (TH1D*) gDirectory->Get(name.c_str());
        //TH2D* slicesSurf = (TH2D*) gDirectory->Get(nameSurf.c_str());
        TProfile* profile = (TProfile*) gDirectory->Get(nameProfile.c_str());
        profile->Fit(&f1);
        slices->Fit(&f1);
        profile->Write();

        return slices;

}

double SpaceManager::evolveCoefficient(DetectorElementPtr det, double energy,
                double eta, double phi) {
        if (eta < barrelLimit_) {
                TF1& func = barrelPosEvolutions_[det];
                return func.Eval(energy);
        }
        TF1& func = endcapPosEvolutions_[det];
        return func.Eval(energy);
}

double SpaceManager::interpolateCoefficient(DetectorElementPtr det,
                double energy, double eta, double phi) {
        CalibratorPtr c = findCalibrator(eta, phi, energy);

        SpaceVoxelPtr s = inverseAddressBook_[c];

        double midEnergy = (s->minEnergy() + s->maxEnergy())/2.0;
        //interpolate left or right?
        double diffEnergy = energy - midEnergy;
        double thisCoeff = calibrationCoeffs_[c][det];

        double interpolatedCoeff = thisCoeff;
        double adjacentCoeff = 0.0;
        double adjacentEnergy = 0.0;
        if (diffEnergy > 0) {
                //look to higher energy calibrators
                CalibratorPtr adjC = findCalibrator(eta, phi, s->maxEnergy() + 0.1);
                if (adjC != 0) {
                        SpaceVoxelPtr adjS = inverseAddressBook_[adjC];
                        adjacentCoeff = calibrationCoeffs_[adjC][det];
                        adjacentEnergy = (adjS->minEnergy() + adjS->maxEnergy()) / 2.0;
                }
        } else {
                //look to lower energy calibrations
                CalibratorPtr adjC = findCalibrator(eta, phi, s->minEnergy() - 0.1);
                if (adjC != 0) {
                        SpaceVoxelPtr adjS = inverseAddressBook_[adjC];
                        adjacentCoeff = calibrationCoeffs_[adjC][det];
                        adjacentEnergy = (adjS->minEnergy() + adjS->maxEnergy()) / 2.0;
                }
        }
        if (adjacentCoeff != 0) {
                interpolatedCoeff = thisCoeff + diffEnergy* (adjacentCoeff - thisCoeff)
                                / (adjacentEnergy - midEnergy);
        }
        return interpolatedCoeff;
}

std::ostream& SpaceManager::printCalibrations(std::ostream& stream) {
        stream << "Calibration results: \n";
        //      std::sort(myKnownSpaceVoxels.begin(), myKnownSpaceVoxels.end(),
        //                      SpaceVoxel());
        stream << "WARNING! Haven't sorted space voxels properly!\n";
        for (std::vector<SpaceVoxelPtr>::iterator it = myKnownSpaceVoxels.begin(); it
                        != myKnownSpaceVoxels.end(); ++it) {
                SpaceVoxelPtr s = *it;
                CalibratorPtr c = myAddressBook[s];
                stream << *s << "\n";
                stream << "\t[";
                std::map<DetectorElementPtr, double> result = calibrationCoeffs_[c];
                for (std::map<DetectorElementPtr, double>::iterator b = result.begin(); b
                                != result.end(); ++b) {
                        DetectorElementPtr d = (*b).first;
                        stream << *d << ": ";
                        double ans = (*b).second;
                        stream << ans << ", ";
                }
                stream << "]\n";
        }

        return stream;
}

void SpaceManager::makeInverseAddressBook() {
        inverseAddressBook_.clear();
        for (std::map<SpaceVoxelPtr, CalibratorPtr>::iterator it =
                        myAddressBook.begin(); it != myAddressBook.end(); ++it) {
                SpaceVoxelPtr s = (*it).first;
                CalibratorPtr c = (*it).second;
                inverseAddressBook_[c] = s;
        }
}