bLayer.h

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#ifndef bLayer_H
#define bLayer_H

#include "MagneticField/GeomBuilder/src/MagGeoBuilderFromDDD.h"
#include "MagneticField/GeomBuilder/src/volumeHandle.h"
#include "MagneticField/GeomBuilder/src/bSector.h"

class MagBLayer;

class MagGeoBuilderFromDDD::bLayer {
public:
  bLayer(handles::const_iterator begin, handles::const_iterator end);

  ~bLayer();

  const float RN() const {
    return theVolumes.front()->RN();
  }

  const handles & volumes() const {return theVolumes;}

  //   const bSector & sector(int i) const;

  double minR() const;

  // Depends on volumeHandle::maxR(), which actually returns max RN.
  // (should be changed?)
  // double maxR() const;

  MagBLayer * buildMagBLayer() const;

private:
  int size; //< the number of volumes

  // Check periodicity;
  int bin(int i) const;

  std::vector<bSector> sectors; // the sectors in this layer
  handles theVolumes;  // pointer to all volumes in this layer

  mutable MagBLayer * mlayer;
};
#endif