/afs/cern.ch/work/a/aaltunda/public/www/CMSSW_5_3_14/src/MagneticField/GeomBuilder/src/MagGeoBuilderFromDDD.h

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#ifndef MagGeoBuilderFromDDD_H
#define MagGeoBuilderFromDDD_H

#include "DataFormats/GeometrySurface/interface/ReferenceCounted.h" 
#include "MagneticField/Interpolation/interface/MagProviderInterpol.h"

#include "DetectorDescription/Core/interface/DDCompactView.h"

#include <string>
#include <vector>
#include <map>

class Surface;
class MagBLayer;
class MagESector;
class MagVolume6Faces;
namespace magneticfield {
  class VolumeBasedMagneticFieldESProducer;
  class AutoMagneticFieldESProducer;
}


class MagGeoBuilderFromDDD  {
public:
  MagGeoBuilderFromDDD(std::string tableSet_, bool debug=false, bool overrideMasterSector=false);

  virtual ~MagGeoBuilderFromDDD();

  void setScaling(std::vector<int> keys, std::vector<double> values);

  std::vector<MagBLayer*> barrelLayers() const;

  std::vector<MagESector*> endcapSectors() const;

  float maxR() const;

  float maxZ() const;  

private:
  typedef ConstReferenceCountingPointer<Surface> RCPS;

  // Build the geometry. 
  //virtual void build();
  virtual void build(const DDCompactView & cpv);


  // FIXME: only for temporary tests and debug, to be removed
  friend class TestMagVolume;
  friend class MagGeometry;
  friend class magneticfield::VolumeBasedMagneticFieldESProducer;
  friend class magneticfield::AutoMagneticFieldESProducer;


  std::vector<MagVolume6Faces*> barrelVolumes() const;  
  std::vector<MagVolume6Faces*> endcapVolumes() const;

  // Temporary container to manipulate volumes and their surfaces.
  class volumeHandle;
  typedef std::vector<volumeHandle*> handles;

  // Build interpolator for the volume with "correct" rotation
  void buildInterpolator(const volumeHandle * vol, 
                         std::map<std::string, MagProviderInterpol*>& interpolators);

  // Build all MagVolumes setting the MagProviderInterpol
  void buildMagVolumes(const handles & volumes,
                       std::map<std::string, MagProviderInterpol*> & interpolators);

  // Print checksums for surfaces.
  void summary(handles & volumes);

  // Perform simple sanity checks
  void testInside(handles & volumes);

  // A layer of barrel volumes.
  class bLayer;
  // A sector of volumes in a layer.
  class bSector;
  // A rod of volumes in a sector.
  class bRod;
  // A slab of volumes in a rod.
  class bSlab;
  // A sector of endcap volumes.
  class eSector;  
  // A layer of volumes in an endcap sector.
  class eLayer;
 
  
  // Extractors for precomputed_value_sort (to sort containers of volumeHandles). 
  typedef std::unary_function<const volumeHandle*, double> uFcn;
  struct ExtractZ;
  struct ExtractAbsZ;
  struct ExtractPhi;
  struct ExtractPhiMax;
  struct ExtractR;
  struct ExtractRN;
  struct LessDPhi;
  // This one to be used only for max_element and min_element
  struct LessZ;

  handles bVolumes;  // the barrel volumes.
  handles eVolumes;  // the endcap volumes.

  std::vector<MagBLayer*> mBLayers; // Finally built barrel geometry
  std::vector<MagESector*> mESectors; // Finally built barrel geometry

  std::string tableSet; // Version of the data files to be used
  int geometryVersion;  // Version of MF geometry 

  std::map<int, double> theScalingFactors;

  bool overrideMasterSector; // see comment on ctor

  static bool debug;

};
#endif