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