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SurveyResidual.h

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#ifndef Alignment_CommonAlignment_SurveyResidual_h
#define Alignment_CommonAlignment_SurveyResidual_h

#include "Alignment/CommonAlignment/interface/StructureType.h"
#include "Alignment/CommonAlignment/interface/Utilities.h"

class Alignable;
class AlignableSurface;

class SurveyResidual
{
  public:

  SurveyResidual(
                 const Alignable&,
                 align::StructureType, // level at which residuals are found 
                 bool bias = false     // true for biased residuals
                 );

  inline bool valid() const;

  AlgebraicVector sensorResidual() const;

  align::LocalVectors pointsResidual() const;

  AlgebraicSymMatrix inverseCovariance() const;

  private:

  void findSisters(
                   const Alignable*,
                   bool bias
                   );

  void calculate(
                 const Alignable&
                 );
                 
  // Cache some values for calculation

  const AlignableSurface& theSurface; // current surface

  const Alignable* theMother; // mother that matches the structure type
                              // given in constructor

  std::vector<const Alignable*> theSisters; // list of final daughters for
                                            // finding mother's position

  align::GlobalVectors theNominalVs; // nominal points from mother's pos
  align::GlobalVectors theCurrentVs; // current points rotated to nominal surf

  align::ErrorMatrix theInverseCovariance;
};

bool SurveyResidual::valid() const
{
  return theMother != 0;
}

#endif

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