GridFeature.hpp

#ifndef OPALS_GRID_FEATURE_HPP_INCLUDED
#define OPALS_GRID_FEATURE_HPP_INCLUDED

#include <opals/config.hpp>

namespace opals
{
  /// Enumerator defining different grid feature types (used, eg., by opalsGrid)
  namespace GridFeature
  {
    enum Type
    {
      sigmaz ,  ///< sigma z of grid post adjustment (i.e. std.dev. of the interpolated height)
      sigma0 ,  ///< sigma 0 of grid post adjustment (i.e. std.dev. of the unit weight observation)
      pdens ,  ///< point density estimate
      pcount ,  ///< number of points used for interpolation of grid point
      excentricity ,  ///< distance between grid points - c.o.g. of data points
      slope ,  ///< steepest slope [%]
      slpDeg ,  ///< steepest slope [deg]
      slpRad ,  ///< steepest slope [rad]
      exposition ,  ///< slope aspect [rad] (azimuth of steepest slope line, N=0, clockwise)
      normalx ,  ///< x-component of surface normal unit vector
      normaly ,  ///< y-component of surface normal unit vector
      height ,  ///< surface height
      kmin ,  ///< minimum curvature
      kmax ,  ///< maximum curvature
      kmean ,  ///< mean curvature: kmean=(kmin+kmax)/2
      kgauss ,  ///< gaussian curvature: kgauss = kmin*kmax
      kminDir ,  ///< Azimuth [rad] of minimum curvature
      kmaxDir ,  ///< Azimuth [rad] of maximum curvature
      absKmaxDir ,  ///< Azimuth [rad] of maximum absolute curvature
      precision ,  ///< grid post precision (derived from sigmaz, pdens and slope)
      Count  ///< number of elements
    };
  }
}

#endif