Dimension.h

00001 /**********************************************************************
00002  *
00003  * GEOS - Geometry Engine Open Source
00004  * http://geos.osgeo.org
00005  *
00006  * Copyright (C) 2006 Refractions Research Inc.
00007  *
00008  * This is free software; you can redistribute and/or modify it under
00009  * the terms of the GNU Lesser General Public Licence as published
00010  * by the Free Software Foundation. 
00011  * See the COPYING file for more information.
00012  *
00013  **********************************************************************/
00014 
00015 #ifndef GEOS_GEOM_DIMENSION_H
00016 #define GEOS_GEOM_DIMENSION_H
00017 
00018 #include <geos/export.h>
00019 #include <geos/inline.h>
00020 
00021 namespace geos {
00022 namespace geom { // geos::geom
00023 
00025 //
00029 class GEOS_DLL Dimension {
00030 public:
00031         enum DimensionType {
00033                 DONTCARE=-3,
00034 
00036                 True=-2,
00037 
00039                 False=-1,
00040 
00042                 P=0,
00043 
00045                 L=1,
00046 
00048                 A=2
00049         };
00050 
00051         //static const int P = 0;                       /// Dimension value of a point (0).
00052         //static const int L = 1;                       /// Dimension value of a curve (1).
00053         //static const int A = 2;                       /// Dimension value of a surface (2).
00054         //static const int False = -1;  /// Dimension value of the empty geometry (-1).
00055         //static const int True = -2;           /// Dimension value of non-empty geometries (= {P, L, A}).
00056         //static const int DONTCARE = -3;       /// Dimension value for any dimension (= {FALSE, TRUE}).
00057         static char toDimensionSymbol(int dimensionValue);
00058 
00059         static int toDimensionValue(char dimensionSymbol);
00060 
00061 };
00062 
00063 } // namespace geos::geom
00064 } // namespace geos
00065 
00066 #ifdef GEOS_INLINE
00067 # include "geos/geom/Envelope.inl"
00068 #endif
00069 
00070 #endif // ndef GEOS_GEOM_DIMENSION_H

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