Dimension.h

/**********************************************************************
 *
 * GEOS - Geometry Engine Open Source
 * http://geos.osgeo.org
 *
 * Copyright (C) 2006 Refractions Research Inc.
 *
 * This is free software; you can redistribute and/or modify it under
 * the terms of the GNU Lesser General Public Licence as published
 * by the Free Software Foundation.
 * See the COPYING file for more information.
 *
 **********************************************************************/
 
#ifndef GEOS_GEOM_DIMENSION_H
#define GEOS_GEOM_DIMENSION_H
 
#include <geos/export.h>
#include <geos/inline.h>
 
namespace geos {
namespace geom { // geos::geom
 
//
class GEOS_DLL Dimension {
public:
    enum DimensionType {
        DONTCARE = -3,
 
        True = -2,
 
        False = -1,
 
        P = 0,
 
        L = 1,
 
        A = 2
    };
 
    //static const int P = 0;                   /// Dimension value of a point (0).
    //static const int L = 1;                   /// Dimension value of a curve (1).
    //static const int A = 2;                   /// Dimension value of a surface (2).
    //static const int False = -1;      /// Dimension value of the empty geometry (-1).
    //static const int True = -2;               /// Dimension value of non-empty geometries (= {P, L, A}).
    //static const int DONTCARE = -3;   /// Dimension value for any dimension (= {FALSE, TRUE}).
    static char toDimensionSymbol(int dimensionValue);
 
    static int toDimensionValue(char dimensionSymbol);
 
};
 
} // namespace geos::geom
} // namespace geos
 
#ifdef GEOS_INLINE
# include "geos/geom/Envelope.inl"
#endif
 
#endif // ndef GEOS_GEOM_DIMENSION_H