GeneralBinFinderInZforGeometricSearchDet< T > Class Template Reference

#include <GeneralBinFinderInZforGeometricSearchDet.h>

Inheritance diagram for GeneralBinFinderInZforGeometricSearchDet< T >:

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...
	GeneralBinFinderInZforGeometricSearchDet ()
	GeneralBinFinderInZforGeometricSearchDet (std::vector< const GeometricSearchDet * >::const_iterator first, std::vector< const GeometricSearchDet * >::const_iterator last)
Public Member Functions inherited from BaseBinFinder< T >
	BaseBinFinder ()
virtual	~BaseBinFinder ()

Private Attributes
std::vector< T >	theBins
std::vector< float >	theBorders
T	theInvZStep =0
int	theNbins =0
T	theZOffset =0
T	theZStep =0

Detailed Description

template<class T>
class GeneralBinFinderInZforGeometricSearchDet< T >

Definition at line 15 of file GeneralBinFinderInZforGeometricSearchDet.h.

Constructor & Destructor Documentation

template<class T>

GeneralBinFinderInZforGeometricSearchDet< T >::GeneralBinFinderInZforGeometricSearchDet ( )

inline

Definition at line 18 of file GeneralBinFinderInZforGeometricSearchDet.h.

{}

template<class T>

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

inline

Definition at line 20 of file GeneralBinFinderInZforGeometricSearchDet.h.

                                                                       :
    theNbins( last-first -1)  // -1!
  {
    theBins.reserve(theNbins);
    theBorders.reserve(theNbins);
    for (auto i=first; i<last-1; i++) {
      theBins.push_back((**i).position().z());
      theBorders.push_back(((**i).position().z() + 
                (**(i+1)).position().z()) / 2.);
    }
    assert(theNbins==int(theBorders.size()));
    
    theZOffset = theBorders.front(); 
    theZStep = (theBorders.back() - theBorders.front()) / (theNbins-1);
    theInvZStep = 1./theZStep;
  }

Member Function Documentation

template<class T>

virtual int GeneralBinFinderInZforGeometricSearchDet< T >::binIndex ( T  z ) const

inlinevirtual

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

Implements BaseBinFinder< T >.

Definition at line 40 of file GeneralBinFinderInZforGeometricSearchDet.h.

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

                                   {
    int bin = int((z-theZOffset)*theInvZStep)+1;
    if (bin<=0) return 0;
    if (bin>=theNbins) return theNbins;

    // check left border
    if ( z < theBorders[bin-1]) {
      // z is to the left of the left border, the correct bin is left
      for (auto i=bin-1; i>0; i--) {  
      if ( z > theBorders[i-1]) return i;
    }
      return 0;
      }
    
    // check right border
    if ( z > theBorders[bin]) {
      // z is to the right of the right border, the correct bin is right
      for (int i=bin+1; i<theNbins; i++) {
    if ( z < theBorders[i]) return i;
      }
      return theNbins;
    }
    // if we arrive here it means that the bin is ok 
    return bin;
  }

template<class T>

virtual int GeneralBinFinderInZforGeometricSearchDet< T >::binIndex ( int  i ) const

inlinevirtual

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);
  }

template<class T>

virtual T GeneralBinFinderInZforGeometricSearchDet< T >::binPosition ( int  ind ) const

inlinevirtual

the middle of the bin.

Implements BaseBinFinder< T >.

Definition at line 72 of file GeneralBinFinderInZforGeometricSearchDet.h.

                                        {
    return theBins[binIndex(ind)];
  }

Member Data Documentation

template<class T>

std::vector<T> GeneralBinFinderInZforGeometricSearchDet< T >::theBins

private

Definition at line 84 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 83 of file GeneralBinFinderInZforGeometricSearchDet.h.

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

template<class T>

T GeneralBinFinderInZforGeometricSearchDet< T >::theInvZStep =0

private

Definition at line 81 of file GeneralBinFinderInZforGeometricSearchDet.h.

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

template<class T>

int GeneralBinFinderInZforGeometricSearchDet< T >::theNbins =0

private

Definition at line 79 of file GeneralBinFinderInZforGeometricSearchDet.h.

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

template<class T>

T GeneralBinFinderInZforGeometricSearchDet< T >::theZOffset =0

private

Definition at line 82 of file GeneralBinFinderInZforGeometricSearchDet.h.

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

template<class T>

T GeneralBinFinderInZforGeometricSearchDet< T >::theZStep =0

private

Definition at line 80 of file GeneralBinFinderInZforGeometricSearchDet.h.

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