ScopSemantic.hpp

#ifndef DM_SCOP_SEMATNIC_HPP_INCLUDED
#define DM_SCOP_SEMATNIC_HPP_INCLUDED

#ifdef _MSC_VER
  #pragma once
#endif

#include "DM/config.hpp"

DM_NAMESPACE_BEGIN

/// \brief the scop semantic describes a kind of topographic semantic 
namespace ScopSemantic {
  enum Type {
    null = 0,
    profile = 1,        ///< bulk point which was gathered through sampling the interpolation surface line by line\n
                        ///< (above all, this is the case for bulk data from old photogrammetric analogous stereo plotters).

    gridPoint = 2,      ///< point on the interpolation surface which shall not be filtered in the interpolation process

    alignement = 4,     ///< longitudinal section
    crossSection = 8,   ///< cross section

    contourline = 16,    ///< line denoting a line of equal height of the interpolation surface

    bulkData = 32,      ///< random point on the interpolation surface without a specific semantic

    spotHeights = 64,   ///< point on the interpolation surface with a horizontal tangent plane

    formline = 128,      ///< line denoting a line of high curvature of the interpolation surface

    breakline = 256,     ///< line denoting a discontinuity of the first derivative of the interpolation surface (C1-discontinuity)

    borderline = 512,    ///< line denoting a boundary of the interpolation surface; left side is valid/included; doesn't need to be closed
    enclaveline = 1024,  ///< line denoting a boundary of the interpolation surface; left side is valid/included; doesn't need to be closed
                         ///< the distinction between eSEM_BORDERLINE and eSEM_ENCLAVELINE is merely necessary
                         ///< for the passing of line orientations through objects that do not store them (e.g. NG_Triangulation)

    fautline = 2048,      ///< wk070618: this semantic up to now is defined for a special application required by INPHO, for Winput Im-/Export
                          ///  eSEM_FAULTLINE shall only be applied to already interpolated RDH:
                          ///  - it either denotes areas within which the RDH height is defined by the Delaunay triangulation of the line,
                          ///  - or it specifies break lines within such an area i.e. constraints of the triangulation.
                                               
                          ///< a future, more exact definition could look like this:
                          ///  this line denotes a discontinuity of the interpolation surface (C0-discontinuity, jump in height) and holds an orientation;
                          ///  - if 3d (~&eSEM_2D_DATA):
                          ///     - the line vertex heights define the height of the interpolation surface to the left of the line;
                          ///     - if furthermore it is closed, then the vertex heights define the interpolation surface in its interior area
                          ///       through a respective interpolation. The line must be counterclockwise oriented then.
                          ///     - the surface height to the right is defined by an according extrapolation of the data to the right
                          ///  - if 2d:
                          ///    - then the extrapolation of the data to the left defines the surface height to the left of the line
                          ///    - the same holds for the right side
                          ///  - if data needed for surface height definition is unavailable, the fault line shall be skipped

    /// The following entries may be combined with (some of) the ones above.
    d2Data = 4096,      ///< geometry object has undetermined z values
    offTerrain = 8192,  ///< geometry object has certain z values, but they do not lie on the interpolation surface
  };
}

DM_NAMESPACE_END

#endif //DM_SCOP_SEMATNIC_HPP_INCLUDED