GenericBinFinderInZ< T, G > Class Template Reference

#include <GenericBinFinderInZ.h>

Inheritance diagram for GenericBinFinderInZ< T, G >:

Public Types
typedef std::vector< const G * > ::const_iterator	ConstItr

Public Member Functions
virtual int	binIndex (T z) const
	returns an index in the valid range for the bin closest to Z More...
virtual int	binIndex (int i) const
	returns an index in the valid range More...
virtual T	binPosition (int ind) const
	the middle of the bin. More...
	GenericBinFinderInZ ()
	GenericBinFinderInZ (ConstItr first, ConstItr last)
Public Member Functions inherited from BaseBinFinder< T >
	BaseBinFinder ()
virtual	~BaseBinFinder ()

Static Public Member Functions
static double	pi ()
static double	twoPi ()

Private Attributes
std::vector< T >	theBins
std::vector< float >	theBorders
int	theNbins
T	theZOffset
T	theZStep

Detailed Description

template<class T, class G>
class GenericBinFinderInZ< T, G >

A Z bin finder for a non-periodic group of detectors. The template argument G should be something with a surface() method, such as a GeomDet or a GeometricSearchDet

Definition at line 16 of file GenericBinFinderInZ.h.

Member Typedef Documentation

template<class T, class G>

typedef std::vector<const G*>::const_iterator GenericBinFinderInZ< T, G >::ConstItr

Definition at line 18 of file GenericBinFinderInZ.h.

Constructor & Destructor Documentation

template<class T, class G>

GenericBinFinderInZ< T, G >::GenericBinFinderInZ ( )

inline

Definition at line 19 of file GenericBinFinderInZ.h.

: theNbins(0), theZStep(0), theZOffset(0) {}

template<class T, class G>

GenericBinFinderInZ< T, G >::GenericBinFinderInZ ( ConstItr  first, ConstItr  last  )

inline

Definition at line 21 of file GenericBinFinderInZ.h.

                                                     :
    theNbins( last-first)
  {
    theBins.reserve(theNbins);
    for (ConstItr i=first; i<last-1; i++) {
      theBins.push_back((**i).position().z());
      theBorders.push_back(((**i).position().z() + 
                (**(i+1)).position().z()) / 2.);
    }

    theZOffset = theBorders.front(); 
    theZStep = (theBorders.back() - theBorders.front()) / (theNbins-2);
  }

Member Function Documentation

template<class T, class G>

virtual int GenericBinFinderInZ< T, G >::binIndex ( T  z ) const

inlinevirtual

returns an index in the valid range for the bin closest to Z

Implements BaseBinFinder< T >.

Definition at line 36 of file GenericBinFinderInZ.h.

Referenced by GenericBinFinderInZ< float, GeomDet >::binIndex(), GenericBinFinderInZ< float, GeomDet >::binPosition(), MuDetRod::compatibleDets(), and Phase2OTBarrelRod::computeCrossings().

                                   {
    int bin = binIndex( int((z-theZOffset)/theZStep)+1);

    // check left border
    if (bin > 0) {
      if ( z < theBorders[bin-1]) {
    // z is to the left of the left border, the correct bin is left
    for (int i=bin-1; ; i--) {
      if (i <= 0) return 0;  
      if ( z > theBorders[i-1]) return i;
    }
      }
    } 
    else return 0;

    // check right border
    if (bin < theNbins-1) {
      if ( z > theBorders[bin]) {
    // z is to the right of the right border, the correct bin is right
    for (int i=bin+1; ; i++) {
      if (i >= theNbins-1) return theNbins-1;  
      if ( z < theBorders[i]) return i;
    }
      }
    }
    else return theNbins-1;

    // if we arrive here it means that the bin is ok 
    return bin;
  }

template<class T, class G>

virtual int GenericBinFinderInZ< T, G >::binIndex ( int  i ) const

inlinevirtual

returns an index in the valid range

Implements BaseBinFinder< T >.

Definition at line 68 of file GenericBinFinderInZ.h.

                                     {
    return std::min( std::max( i, 0), theNbins-1);
  }

template<class T, class G>

virtual T GenericBinFinderInZ< T, G >::binPosition ( int  ind ) const

inlinevirtual

the middle of the bin.

Implements BaseBinFinder< T >.

Definition at line 73 of file GenericBinFinderInZ.h.

Referenced by Phase2OTBarrelRod::computeCrossings().

                                        {
    return theBins[binIndex(ind)];
  }

template<class T, class G>

static double GenericBinFinderInZ< T, G >::pi ( )

inlinestatic

Definition at line 77 of file GenericBinFinderInZ.h.

Referenced by GenericBinFinderInZ< float, GeomDet >::twoPi().

{ return 3.141592653589793238;}

template<class T, class G>

static double GenericBinFinderInZ< T, G >::twoPi ( )

inlinestatic

Definition at line 78 of file GenericBinFinderInZ.h.

{ return 2.*pi();}

Member Data Documentation

template<class T, class G>

std::vector<T> GenericBinFinderInZ< T, G >::theBins

private

Definition at line 86 of file GenericBinFinderInZ.h.

Referenced by GenericBinFinderInZ< float, GeomDet >::binPosition(), and GenericBinFinderInZ< float, GeomDet >::GenericBinFinderInZ().

template<class T, class G>

std::vector<float> GenericBinFinderInZ< T, G >::theBorders

private

Definition at line 85 of file GenericBinFinderInZ.h.

Referenced by GenericBinFinderInZ< float, GeomDet >::binIndex(), and GenericBinFinderInZ< float, GeomDet >::GenericBinFinderInZ().

template<class T, class G>

int GenericBinFinderInZ< T, G >::theNbins

private

Definition at line 82 of file GenericBinFinderInZ.h.

Referenced by GenericBinFinderInZ< float, GeomDet >::binIndex(), and GenericBinFinderInZ< float, GeomDet >::GenericBinFinderInZ().

template<class T, class G>

T GenericBinFinderInZ< T, G >::theZOffset

private

Definition at line 84 of file GenericBinFinderInZ.h.

Referenced by GenericBinFinderInZ< float, GeomDet >::binIndex(), and GenericBinFinderInZ< float, GeomDet >::GenericBinFinderInZ().

template<class T, class G>

T GenericBinFinderInZ< T, G >::theZStep

private

Definition at line 83 of file GenericBinFinderInZ.h.

Referenced by GenericBinFinderInZ< float, GeomDet >::binIndex(), and GenericBinFinderInZ< float, GeomDet >::GenericBinFinderInZ().