Dimension.h

00001 /**********************************************************************
00002  * $Id: Dimension.h 1820 2006-09-06 16:54:23Z mloskot $
00003  *
00004  * GEOS - Geometry Engine Open Source
00005  * http://geos.refractions.net
00006  *
00007  * Copyright (C) 2006 Refractions Research Inc.
00008  *
00009  * This is free software; you can redistribute and/or modify it under
00010  * the terms of the GNU Lesser General Public Licence as published
00011  * by the Free Software Foundation. 
00012  * See the COPYING file for more information.
00013  *
00014  **********************************************************************/
00015 
00016 #ifndef GEOS_GEOM_DIMENSION_H
00017 #define GEOS_GEOM_DIMENSION_H
00018 
00019 #include <geos/inline.h>
00020 
00021 namespace geos {
00022 namespace geom { // geos::geom
00023 
00025 //
00029 class 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
00071 
00072 /**********************************************************************
00073  * $Log$
00074  * Revision 1.4  2006/05/04 15:49:39  strk
00075  * updated all Geometry::getDimension() methods to return Dimension::DimensionType (closes bug#93)
00076  *
00077  * Revision 1.3  2006/04/07 05:44:32  mloskot
00078  * Added name for anonymous enum in Dimension class (bug). Added missing new-line at the end of source files. Removed CR from line ends.
00079  *
00080  * Revision 1.2  2006/03/24 09:52:41  strk
00081  * USE_INLINE => GEOS_INLINE
00082  *
00083  * Revision 1.1  2006/03/09 16:46:49  strk
00084  * geos::geom namespace definition, first pass at headers split
00085  *
00086  **********************************************************************/

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