ZDCShape Class Reference

shaper for ZDC More...

#include <ZDCShape.h>

Inheritance diagram for ZDCShape:

Public Member Functions
double	operator() (double time) const override
double	timeToRise () const override
	ZDCShape ()
	ZDCShape (const ZDCShape &d)
	~ZDCShape () override
Public Member Functions inherited from CaloVShape
	CaloVShape ()
virtual	~CaloVShape ()

Private Member Functions
void	computeShapeZDC ()

Private Attributes
int	nbin_
std::vector< float >	nt_

Detailed Description

shaper for ZDC

Definition at line 15 of file ZDCShape.h.

Constructor & Destructor Documentation

ZDCShape::ZDCShape

(

)

Definition at line 4 of file ZDCShape.cc.

References computeShapeZDC().

: nbin_(256), nt_(nbin_, 0.) { computeShapeZDC(); }

ZDCShape::ZDCShape

(

const ZDCShape &

d

)

Definition at line 6 of file ZDCShape.cc.

: CaloVShape(d), nbin_(d.nbin_), nt_(d.nt_) {}

ZDCShape::~ZDCShape ( )

inlineoverride

Definition at line 20 of file ZDCShape.h.

References computeShapeZDC(), operator()(), ntuplemaker::time, and timeToRise().

{}

Member Function Documentation

void ZDCShape::computeShapeZDC ( )

private

Definition at line 10 of file ZDCShape.cc.

References JetChargeProducer_cfi::exp, dqmiolumiharvest::j, nbin_, and nt_.

Referenced by ZDCShape(), and ~ZDCShape().

                               {
  //  cout << endl << " ===== computeShapeZDC  !!! " << endl << endl;

  const float ts = 3.0;  // time constant in   t * exp(-(t/ts)**2)

  int j;
  float norm;

  // ZDC SHAPE
  norm = 0.0;
  for (j = 0; j < 3 * ts && j < nbin_; j++) {
    //nt_[j] = ((float)j)*exp(-((float)(j*j))/(ts*ts));
    nt_[j] = j * exp(-(j * j) / (ts * ts));
    norm += nt_[j];
  }
  // normalize pulse area to 1.0
  for (j = 0; j < 3 * ts && j < nbin_; j++) {
    nt_[j] /= norm;
  }
}

double ZDCShape::operator() ( double  time ) const

overridevirtual

Implements CaloVShape.

Definition at line 31 of file ZDCShape.cc.

References nbin_, and nt_.

Referenced by ~ZDCShape().

                                             {
  // return pulse amplitude for request time in ns
  int jtime;
  jtime = static_cast<int>(time + 0.5);

  if (jtime >= 0 && jtime < nbin_)
    return nt_[jtime];
  else
    return 0.0;
}

double ZDCShape::timeToRise ( ) const

overridevirtual

Implements CaloVShape.

Definition at line 8 of file ZDCShape.cc.

Referenced by ~ZDCShape().

{ return 0.; }

Member Data Documentation

int ZDCShape::nbin_

private

Definition at line 28 of file ZDCShape.h.

Referenced by computeShapeZDC(), and operator()().

std::vector<float> ZDCShape::nt_

private

Definition at line 29 of file ZDCShape.h.

Referenced by computeShapeZDC(), and operator()().