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GeneralBinFinderInZforGeometricSearchDet< T > Class Template Reference

#include <TrackingTools/DetLayers/interface/GeneralBinFinderInZforGeometricSearchDet.h>

Inheritance diagram for GeneralBinFinderInZforGeometricSearchDet< T >:

List of all members.

Public Member Functions
virtual int	binIndex (int i) const
	returns an index in the valid range
virtual int	binIndex (T z) const
	returns an index in the valid range for the bin closest to Z
virtual T	binPosition (int ind) const
	the middle of the bin.
	GeneralBinFinderInZforGeometricSearchDet (std::vector< const GeometricSearchDet * >::const_iterator first, std::vector< const GeometricSearchDet * >::const_iterator last)
	GeneralBinFinderInZforGeometricSearchDet ()
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

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Detailed Description

template<class T>
class GeneralBinFinderInZforGeometricSearchDet< T >

Definition at line 13 of file GeneralBinFinderInZforGeometricSearchDet.h.

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Constructor & Destructor Documentation

template<class T>

GeneralBinFinderInZforGeometricSearchDet< T >::GeneralBinFinderInZforGeometricSearchDet

(

)

[inline]

Definition at line 16 of file GeneralBinFinderInZforGeometricSearchDet.h.

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

template<class T>

GeneralBinFinderInZforGeometricSearchDet< T >::GeneralBinFinderInZforGeometricSearchDet	(	std::vector< const GeometricSearchDet * >::const_iterator	first,
		std::vector< const GeometricSearchDet * >::const_iterator	last
	)			[inline]

Definition at line 18 of file GeneralBinFinderInZforGeometricSearchDet.h.

                                                                               :
    theNbins( last-first)
  {
    theBins.reserve(theNbins);
    for (std::vector<const GeometricSearchDet*>::const_iterator 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);
  }

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Member Function Documentation

template<class T>

virtual int GeneralBinFinderInZforGeometricSearchDet< T >::binIndex

(

int

i

)

const [inline, virtual]

returns an index in the valid range

Implements BaseBinFinder< T >.

Definition at line 67 of file GeneralBinFinderInZforGeometricSearchDet.h.

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

template<class T>

virtual int GeneralBinFinderInZforGeometricSearchDet< T >::binIndex

(

T

z

)

const [inline, virtual]

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

Implements BaseBinFinder< T >.

Definition at line 35 of file GeneralBinFinderInZforGeometricSearchDet.h.

Referenced by GeneralBinFinderInZforGeometricSearchDet< float >::binIndex(), GeneralBinFinderInZforGeometricSearchDet< float >::binPosition(), and TIBLayer::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>

virtual T GeneralBinFinderInZforGeometricSearchDet< T >::binPosition

(

int

ind

)

const [inline, virtual]

the middle of the bin.

Implements BaseBinFinder< T >.

Definition at line 72 of file GeneralBinFinderInZforGeometricSearchDet.h.

                                        {
    return theBins[binIndex(ind)];
  }

template<class T>

static double GeneralBinFinderInZforGeometricSearchDet< T >::pi

(

)

[inline, static]

Definition at line 76 of file GeneralBinFinderInZforGeometricSearchDet.h.

Referenced by GeneralBinFinderInZforGeometricSearchDet< float >::twoPi().

{ return 3.141592653589793238;}

template<class T>

static double GeneralBinFinderInZforGeometricSearchDet< T >::twoPi

(

)

[inline, static]

Definition at line 77 of file GeneralBinFinderInZforGeometricSearchDet.h.

{ return 2.*pi();}

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Member Data Documentation

template<class T>

std::vector<T> GeneralBinFinderInZforGeometricSearchDet< T >::theBins [private]

Definition at line 85 of file GeneralBinFinderInZforGeometricSearchDet.h.

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

template<class T>

std::vector<float> GeneralBinFinderInZforGeometricSearchDet< T >::theBorders [private]

Definition at line 84 of file GeneralBinFinderInZforGeometricSearchDet.h.

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

template<class T>

int GeneralBinFinderInZforGeometricSearchDet< T >::theNbins [private]

Definition at line 81 of file GeneralBinFinderInZforGeometricSearchDet.h.

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

template<class T>

T GeneralBinFinderInZforGeometricSearchDet< T >::theZOffset [private]

Definition at line 83 of file GeneralBinFinderInZforGeometricSearchDet.h.

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

template<class T>

T GeneralBinFinderInZforGeometricSearchDet< T >::theZStep [private]

Definition at line 82 of file GeneralBinFinderInZforGeometricSearchDet.h.

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

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The documentation for this class was generated from the following file:

• TrackingTools/DetLayers/interface/GeneralBinFinderInZforGeometricSearchDet.h

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