69 lines
1.6 KiB
C++
69 lines
1.6 KiB
C++
/**********************************************************************
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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) 2005-2006 Refractions Research Inc.
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* Copyright (C) 2001-2002 Vivid Solutions 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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*
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* Last port: geom/Position.java rev. 1.4 (JTS-1.10)
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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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#include <map>
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#include <vector>
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#include <string>
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namespace geos {
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namespace geom { // geos.geom
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/** \brief
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* A Position indicates the position of a Location relative to a graph
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* component (Node, Edge, or Area).
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*/
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class GEOS_DLL Position {
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public:
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enum {
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/** \brief
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* An indicator that a Location is *on*
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* a GraphComponent
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*/
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ON = 0,
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/** \brief
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* An indicator that a Location is to the
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* *left* of a GraphComponent
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*/
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LEFT,
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/** \brief
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* An indicator that a Location is to the
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* *right* of a GraphComponent
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*/
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RIGHT
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};
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/** \brief
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* Returns LEFT if the position is RIGHT, RIGHT if
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* the position is LEFT, or the position otherwise.
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*/
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static int opposite(int position);
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};
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} // namespace geos.geom
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} // namespace geos
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