BowedSurfaceAlignmentDerivatives.h

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#ifndef Alignment_CommonAlignmentParametrization_BowedSurfaceAlignmentDerivatives_h
#define Alignment_CommonAlignmentParametrization_BowedSurfaceAlignmentDerivatives_h

#include "DataFormats/CLHEP/interface/AlgebraicObjects.h"


class TrajectoryStateOnSurface;

class BowedSurfaceAlignmentDerivatives {
public:
  enum AlignmentParameterName {
    dx = 0,
    dy,
    dz,
    dslopeX,  // NOTE: slope(u) -> k*tan(beta),
    dslopeY,  //       slope(v) -> k*tan(alpha)
    drotZ,    // rotation around w axis, scaled by gammaScale
    dsagittaX,
    dsagittaXY,
    dsagittaY,
    N_PARAM
  };

  AlgebraicMatrix operator()(const TrajectoryStateOnSurface &tsos,
                             double uWidth,
                             double vLength,
                             bool doSplit = false,
                             double ySplit = 0.) const;

  static double gammaScale(double width, double splitLength);
};

#endif