/afs/cern.ch/work/a/aaltunda/public/www/CMSSW_6_2_7/src/Geometry/CommonTopologies/interface/StripTopology.h

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#ifndef Geometry_CommonTopologies_StripTopology_H
#define Geometry_CommonTopologies_StripTopology_H

#include "Geometry/CommonTopologies/interface/Topology.h"

class StripTopology : public Topology {
public:

  virtual ~StripTopology() {}

  // GF: I hate the stupid hiding feature of C++, see
  // http://www.parashift.com/c%2B%2B-faq-lite/strange-inheritance.html#faq-23.9
  using Topology::localPosition;
  virtual LocalPoint localPosition( float strip ) const = 0;
  virtual LocalPoint localPosition( float strip, const Topology::LocalTrackPred &/*trkPred*/) const { 
    return localPosition(strip); 
  }
  virtual LocalError localError( float strip, float stripErr2 ) const = 0;

  virtual LocalError localError( float strip, float stripErr2,
                                 const Topology::LocalTrackPred &/*trkPred*/) const {
    return localError(strip, stripErr2); 
  } 
  using Topology::localError; // see comment about hiding an C++ 'using' feature above
  virtual float strip( const LocalPoint& ) const = 0;

  virtual float strip( const LocalPoint& lp, const Topology::LocalTrackAngles &/*ltp*/ ) const {
    return strip(lp);
  }

  // the number of strip span by the segment between the two points..
  virtual float coveredStrips(const LocalPoint& lp1, const LocalPoint& lp2)  const {
    return (measurementPosition(lp1)-measurementPosition(lp2)).x();
  }  

  virtual float pitch() const = 0;
  virtual float localPitch( const LocalPoint& ) const = 0; 

  virtual float localPitch( const LocalPoint& lp, const Topology::LocalTrackAngles &/*ltp*/ ) const {
    return localPitch(lp);
  }
  virtual float stripAngle( float strip ) const = 0;

  virtual int nstrips() const = 0;

  virtual float stripLength() const = 0;
  virtual float localStripLength(const LocalPoint& aLP) const = 0;

  virtual float localStripLength( const LocalPoint& lp, const Topology::LocalTrackAngles &/*ltp*/ ) const {
    return localStripLength(lp);
  }

};

#endif