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 ()

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 GeneralBinFinderInZforGeometricSearchDet< T >

Definition at line 13 of file GeneralBinFinderInZforGeometricSearchDet.h.

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);
  }

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 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 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-1);
  }

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)];
  }

template<class T>

static double GeneralBinFinderInZforGeometricSearchDet< T >::pi ( )

inlinestatic

Definition at line 76 of file GeneralBinFinderInZforGeometricSearchDet.h.

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

{ return 3.141592653589793238;}

template<class T>

static double GeneralBinFinderInZforGeometricSearchDet< T >::twoPi ( )

inlinestatic

Definition at line 77 of file GeneralBinFinderInZforGeometricSearchDet.h.

{ return 2.*pi();}

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().