GenericBinFinderInZ< T, G > Class Template Reference

#include <GenericBinFinderInZ.h>

Inheritance diagram for GenericBinFinderInZ< T, G >:

List of all members.

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
virtual int	binIndex (int i) const
	returns an index in the valid range
virtual T	binPosition (int ind) const
	the middle of the bin.
	GenericBinFinderInZ ()
	GenericBinFinderInZ (ConstItr first, ConstItr last)
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 [inline, virtual]

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(), and MuDetRod::compatibleDets().

                                   {
    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 [inline, virtual]

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 [inline, virtual]

the middle of the bin.

Implements BaseBinFinder< T >.

Definition at line 73 of file GenericBinFinderInZ.h.

                                        {
    return theBins[binIndex(ind)];
  }

template<class T, class G>

static double GenericBinFinderInZ< T, G >::pi

(

)

[inline, static]

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

(

)

[inline, static]

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().