closing_boundary.h

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#ifndef CLOSING_BOUNDARY_H
#define CLOSING_BOUNDARY_H

#include <pcl/surface/on_nurbs/nurbs_data.h>
#include <pcl/surface/on_nurbs/nurbs_tools.h>
#include <pcl/surface/on_nurbs/fitting_surface_pdm.h>

namespace pcl
{
  namespace on_nurbs
  {

    class ClosingBoundary
    {
    public:
      enum Type
      {
        COMMON_BOUNDARY_POINT_MEAN, COMMON_BOUNDARY_POINT_TANGENTS, COMMON_BOUNDARY_POINT_PLANES,
        CLOSEST_POINTS_BOUNDARY, CLOSEST_POINTS_INTERIOR,
      };

      struct Parameter
      {
        double max_dist;
        double max_error;
        unsigned samples;
        unsigned com_iter;
        unsigned fit_iter;
        double accuracy;
        double smoothness;
        double boundary_weight;
        double interior_weight;
        Type type;

        Parameter (double _max_dist = 0.02, double _max_error = 0.02, unsigned _samples = 10, unsigned _iter = 10,
                   unsigned _fit_iter = 10, double _accuracy = 1e-3, double _smooth = 0.00001,
                   double _bnd_weight = 1.0, double _int_weight = 1.0, Type _type = COMMON_BOUNDARY_POINT_MEAN) :
          max_dist (_max_dist), max_error (_max_error), samples (_samples), com_iter (_iter), fit_iter (_fit_iter),
              accuracy (_accuracy), smoothness (_smooth), boundary_weight (_bnd_weight),
              interior_weight (_int_weight), type (_type)
        {
        }

      };

      static double
      getLineDistance (const Eigen::Vector3d &P0, const Eigen::Vector3d &u, const Eigen::Vector3d &Q0,
                       const Eigen::Vector3d &v, Eigen::Vector3d &P, Eigen::Vector3d &Q);

      static Eigen::Vector3d
      intersectPlanes (const Eigen::Vector3d &N1, double d1, const Eigen::Vector3d &N2, double d2,
                       const Eigen::Vector3d &N3, double d3);

      static Eigen::Vector3d
      commonBoundaryPoint1 (ON_NurbsSurface &n1, ON_NurbsSurface &n2, Eigen::Vector2d &params1,
                            Eigen::Vector2d &params2, const Eigen::Vector3d &start, unsigned nsteps, double &error,
                            double accuracy);

      static Eigen::Vector3d
      commonBoundaryPoint2 (ON_NurbsSurface &n1, ON_NurbsSurface &n2, Eigen::Vector2d &params1,
                            Eigen::Vector2d &params2, const Eigen::Vector3d &start, unsigned nsteps, double &error,
                            double accuracy);

      static Eigen::Vector3d
      commonBoundaryPoint3 (ON_NurbsSurface &n1, ON_NurbsSurface &n2, Eigen::Vector2d &params1,
                            Eigen::Vector2d &params2, const Eigen::Vector3d &start, unsigned nsteps, double &error,
                            double accuracy);

      static void
      sampleUniform (ON_NurbsSurface *nurbs, vector_vec3d &point_list, unsigned samples);

      static void
      sampleRandom (ON_NurbsSurface *nurbs, vector_vec3d &point_list, unsigned samples);

      static void
      sampleFromBoundary (ON_NurbsSurface *nurbs, vector_vec3d &point_list, vector_vec2d &param_list, unsigned samples);

      static void
      optimizeBoundary (std::vector<ON_NurbsSurface> &nurbs_list, std::vector<NurbsDataSurface> &data_list,
                        Parameter param);

//      static void
//      optimizeControlPoints (std::vector<ON_NurbsSurface> &nurbs_list, std::vector<NurbsDataSurface> &data_list,
//                             Parameter param);

    };

  }
}

#endif