PFResolutionMap Class Reference

Resolution Map (resolution as a function of eta and E) More...

#include <PFResolutionMap.h>

Inheritance diagram for PFResolutionMap:

Public Member Functions
int	FindBin (double eta, double e, double z=0) override
	extrapolation requires overloading of this function More...
const char *	GetMapFile () const
double	getRes (double eta, double phi, double e, int MapEta=-1)
	PFResolutionMap ()
	default constructor More...
	PFResolutionMap (const char *name, const char *mapfile)
	create a map from text file mapfile More...
	PFResolutionMap (const char *name, unsigned nbinseta, double mineta, double maxeta, unsigned nbinse, double mine, double maxe, double value=-1)
	create an empty map and initialize it More...
	PFResolutionMap (const TH2D &h)
	create a map from a 2d histogram More...
bool	ReadMapFile (const char *mapfile)
	read text file More...
bool	WriteMapFile (const char *mapfile)

Private Member Functions
double	dCrackPhi (double phi, double eta)
bool	IsInAPhiCrack (double phi, double eta)
double	minimum (double a, double b)

Private Attributes
std::string	mapFile_

Static Private Attributes
static const unsigned	lineSize_ = 10000

Friends
std::ostream &	operator<< (std::ostream &out, const PFResolutionMap &rm)
	print this map More...

Detailed Description

Resolution Map (resolution as a function of eta and E)

Basically just a TH2D with text I/O

Author

Colin Bernet

Date

January 2006

Definition at line 16 of file PFResolutionMap.h.

Constructor & Destructor Documentation

PFResolutionMap() [1/4]

PFResolutionMap::PFResolutionMap ( )

inline

default constructor

Definition at line 19 of file PFResolutionMap.h.

: TH2D() {}

PFResolutionMap() [2/4]

PFResolutionMap::PFResolutionMap	(	const char *	name,
		const char *	mapfile
	)

create a map from text file mapfile

Definition at line 38 of file PFResolutionMap.cc.

References submitPVResolutionJobs::err, Skims_PA_cff::name, and ReadMapFile().

                                                                      {
  SetTitle(name);
  GetXaxis()->SetTitle("#eta");
  GetYaxis()->SetTitle("E");
  if (!ReadMapFile(mapfile)) {
    string err = "PFResolutionMap::PFResolutionMap : cannot read file ";
    err += mapfile;
    throw invalid_argument(err);
  }
}

PFResolutionMap() [3/4]

PFResolutionMap::PFResolutionMap	(	const char *	name,
		unsigned	nbinseta,
		double	mineta,
		double	maxeta,
		unsigned	nbinse,
		double	mine,
		double	maxe,
		double	value = -1
	)

create an empty map and initialize it

Definition at line 15 of file PFResolutionMap.cc.

References LEDCalibrationChannels::ieta.

    : TH2D(name, name, nbinseta, mineta, maxeta, nbinse, mine, maxe) {
  GetXaxis()->SetTitle("#eta");
  GetYaxis()->SetTitle("E");

  if (value > 0) {
    for (int ie = 1; ie <= GetNbinsY(); ie++) {
      for (int ieta = 1; ieta <= GetNbinsX(); ieta++) {
        SetBinContent(ieta, ie, value);
      }
    }
  }
  // cout<<"creating resolution map "<<endl;
  // Print("all");
}

PFResolutionMap() [4/4]

PFResolutionMap::PFResolutionMap ( const TH2D &  h )

inline

create a map from a 2d histogram

Definition at line 35 of file PFResolutionMap.h.

: TH2D(h) {}

Member Function Documentation

dCrackPhi()

double PFResolutionMap::dCrackPhi ( double  phi, double  eta  )

private

Definition at line 216 of file PFResolutionMap.cc.

References fftjetpileupestimator_calo_uncalib_cfi::c0, PVValHelper::eta, mps_fire::i, visualization-live-secondInstance_cfg::m, M_PI, minimum(), phi, and pi.

Referenced by IsInAPhiCrack().

                                                        {
  constexpr double pi = M_PI;  // 3.14159265358979323846;
  constexpr double twopi = 2. * pi;
  constexpr double twopiO18 = pi / 9;

  //Location of the 18 phi-cracks
  constexpr double c0 = 2.97025;
  constexpr std::array<double, 18> cPhi{{c0,
                                         c0 - twopiO18,
                                         c0 - 2 * twopiO18,
                                         c0 - 3 * twopiO18,
                                         c0 - 4 * twopiO18,
                                         c0 - 5 * twopiO18,
                                         c0 - 6 * twopiO18,
                                         c0 - 7 * twopiO18,
                                         c0 - 8 * twopiO18,
                                         c0 - 9 * twopiO18,
                                         c0 - 10 * twopiO18,
                                         c0 - 11 * twopiO18,
                                         c0 - 12 * twopiO18,
                                         c0 - 13 * twopiO18,
                                         c0 - 14 * twopiO18,
                                         c0 - 15 * twopiO18,
                                         c0 - 16 * twopiO18,
                                         c0 - 17 * twopiO18}};

  //Shift of this location if eta<0
  constexpr double delta_cPhi = 0.00638;

  double m;  //the result

  //the location is shifted
  if (eta < 0) {
    phi += delta_cPhi;
    if (phi > pi)
      phi -= twopi;
  }
  if (phi >= -pi && phi <= pi) {
    //the problem of the extrema
    if (phi < cPhi[17] || phi >= cPhi[0]) {
      if (phi < 0)
        phi += twopi;
      m = minimum(phi - cPhi[0], phi - cPhi[17] - twopi);
    }

    //between these extrema...
    else {
      bool OK = false;
      unsigned i = 16;
      while (!OK) {
        if (phi < cPhi[i]) {
          m = minimum(phi - cPhi[i + 1], phi - cPhi[i]);
          OK = true;
        } else
          i -= 1;
      }
    }
  } else {
    m = 0.;  //if there is a problem, we assum that we are in a crack
    edm::LogWarning("PFResolutionMap:Problem") << "Problem in dminphi";
  }
  if (eta < 0)
    m = -m;  //because of the disymetry
  return m;
}

FindBin()

int PFResolutionMap::FindBin ( double  eta, double  e, double  z = 0  )

override

extrapolation requires overloading of this function

Definition at line 168 of file PFResolutionMap.cc.

References MillePedeFileConverter_cfg::e, and PVValHelper::eta.

Referenced by getRes().

                                                           {
  if (e >= GetYaxis()->GetXmax())
    e = GetYaxis()->GetXmax() - 0.001;

  return TH2D::FindBin(eta, e);
}

GetMapFile()

const char* PFResolutionMap::GetMapFile ( ) const

inline

Definition at line 49 of file PFResolutionMap.h.

References mapFile_.

{ return mapFile_.c_str(); }

getRes()

double PFResolutionMap::getRes	(	double	eta,
		double	phi,
		double	e,
		int	MapEta = -1
	)

Definition at line 138 of file PFResolutionMap.cc.

References newFWLiteAna::bin, MillePedeFileConverter_cfg::e, PVValHelper::eta, FindBin(), IsInAPhiCrack(), and phi.

                                                                           {
  constexpr double fMinEta = -2.95;
  constexpr double fMaxEta = 2.95;
  constexpr double fMinE = 0;
  constexpr double fMaxE = 100;

  if (eta < fMinEta)
    eta = fMinEta + 0.001;
  if (eta > fMaxEta)
    eta = fMaxEta - 0.001;

  if (e < fMinE)
    e = fMinE + 0.001;
  if (e > fMaxE)
    e = fMaxE - 0.001;

  unsigned bin = FindBin(TMath::Abs(eta), e);

  double res = GetBinContent(bin);
  if (MapEta > -1) {
    if ((eta < 1.48) && IsInAPhiCrack(phi, eta)) {
      if (MapEta == 1)
        res *= 1.88;
      else
        res *= 1.65;
    }
  }
  return res;
}

IsInAPhiCrack()

bool PFResolutionMap::IsInAPhiCrack ( double  phi, double  eta  )

private

Definition at line 198 of file PFResolutionMap.cc.

References dCrackPhi(), PVValHelper::eta, and phi.

Referenced by getRes().

                                                          {
  double dminPhi = dCrackPhi(phi, eta);
  bool Is = (TMath::Abs(dminPhi) < 0.005);
  return Is;
}

minimum()

double PFResolutionMap::minimum ( double  a, double  b  )

private

Definition at line 205 of file PFResolutionMap.cc.

References a, and b.

Referenced by dCrackPhi().

                                                  {
  if (TMath::Abs(b) < TMath::Abs(a))
    a = b;
  return a;
}

ReadMapFile()

bool PFResolutionMap::ReadMapFile

(

const char *

mapfile

)

read text file

Definition at line 70 of file PFResolutionMap.cc.

References relativeConstraints::empty, mps_fire::i, dqmiodatasetharvest::inf, dqmiolumiharvest::j, lineSize_, mapFile_, and alignCSCRings::s.

Referenced by PFResolutionMap().

                                                     {
  // open the file

  std::ifstream inf(mapfile);
  if (!inf.good()) {
    // cout<<"PFResolutionMap::Read : cannot open file "<<mapfile<<endl;
    return false;
  }

  // first data describes the map

  int nbinseta = 0;
  double mineta = 0;
  double maxeta = 0;

  int nbinse = 0;
  double mine = 0;
  double maxe = 0;

  inf >> nbinseta;
  inf >> mineta;
  inf >> maxeta;

  inf >> nbinse;
  inf >> mine;
  inf >> maxe;

  SetBins(nbinseta, mineta, maxeta, nbinse, mine, maxe);

  char s[lineSize_];
  int pos = inf.tellg();

  // parse map data
  int i = 1;
  do {
    inf.seekg(pos);
    inf.getline(s, lineSize_);

    pos = inf.tellg();

    if (string(s).empty()) {
      continue;  // remove empty lines
    }

    istringstream lin(s);

    double dataw;
    int j = 1;
    do {
      lin >> dataw;
      SetBinContent(j, i, dataw);
      j++;
    } while (lin.good());
    i++;
  } while (inf.good());

  if (inf.eof()) {
    mapFile_ = mapfile;
    return true;
  } else {
    // cout<<"error"<<endl;
    return false;
  }

  mapFile_ = mapfile;
  return true;
}

WriteMapFile()

bool PFResolutionMap::WriteMapFile

(

const char *

mapfile

)

write text file is not const because mapFile_ will be updated

Definition at line 49 of file PFResolutionMap.cc.

References mapFile_.

                                                      {
  //  assert(fData.size() == fNbinsEta*fNbinsE);

  // open the file

  std::ofstream outf(mapfile);
  if (!outf.good()) {
    edm::LogWarning("PFResolutionMap::Write") << " : cannot open file " << mapfile;
    return false;
  }

  outf << (*this) << endl;
  if (!outf.good()) {
    edm::LogError("PFResolutionMap::Write") << " : corrupted file " << mapfile;
    return false;
  } else {
    mapFile_ = mapfile;
    return true;
  }
}

Friends And Related Function Documentation

operator<<

std::ostream& operator<< ( std::ostream &  out, const PFResolutionMap &  rm  )

friend

print this map

Member Data Documentation

lineSize_

const unsigned PFResolutionMap::lineSize_ = 10000

staticprivate

Definition at line 58 of file PFResolutionMap.h.

Referenced by ReadMapFile().

mapFile_

std::string PFResolutionMap::mapFile_

private

Definition at line 59 of file PFResolutionMap.h.

Referenced by GetMapFile(), ReadMapFile(), and WriteMapFile().