/afs/cern.ch/work/a/aaltunda/public/www/CMSSW_6_2_5/src/Geometry/DTGeometry/interface/DTTopology.h

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#ifndef Geometry_DTGeometry_DTTopology_H
#define Geometry_DTGeometry_DTTopology_H

#include "Geometry/CommonTopologies/interface/Topology.h"
#include "DataFormats/GeometryVector/interface/LocalPoint.h"

class DTTopology: public Topology {
 public:
  
  DTTopology(int firstWire, int nChannels, float semilenght); 

  virtual ~DTTopology() {}
  
  LocalPoint localPosition( const MeasurementPoint& ) const;

  LocalError localError( const MeasurementPoint&, const MeasurementError& ) const;

  MeasurementPoint measurementPosition( const LocalPoint&) const;

  MeasurementError measurementError( const LocalPoint&, const LocalError& ) const;

  int channel( const LocalPoint& p) const;

  float wirePosition(int wireNumber) const;
  
  //checks if a wire number is valid
  bool isWireValid(const int wireNumber) const {return (wireNumber - (theFirstChannel - 1) <= 0 || wireNumber - lastChannel() > 0 ) ? false : true;}

  float cellWidth() const {return theWidth;}
  float cellHeight() const {return theHeight;}
  float cellLenght() const {return theLength;}
  int channels() const {return theNChannels;} 

  int firstChannel() const {return theFirstChannel;} 
  int lastChannel() const {return theNChannels+theFirstChannel-1;} 

  float sensibleWidth() const;
  float sensibleHeight() const;

  enum Side {zMin,zMax,xMin,xMax,yMin,yMax,none}; 

  Side onWhichBorder(float x, float y, float z) const;
  Side onWhichBorder_old(float x, float y, float z) const;
  
private: 
  int theFirstChannel;
  int theNChannels;
  
  static const float theWidth;
  static const float theHeight;
  float theLength;

  static const float IBeamWingThickness;
  static const float IBeamWingLength;
  static const float plateThickness;
  static const float IBeamThickness;

  Local2DPoint theOffSet;
};

#endif