GEOS
3.4.2
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00001 /********************************************************************** 00002 * 00003 * GEOS - Geometry Engine Open Source 00004 * http://geos.osgeo.org 00005 * 00006 * Copyright (C) 2005-2006 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_COORDINATEFILTER_H 00016 #define GEOS_GEOM_COORDINATEFILTER_H 00017 00018 #include <geos/export.h> 00019 #include <geos/inline.h> 00020 00021 #include <cassert> 00022 00023 namespace geos { 00024 namespace geom { // geos::geom 00025 00026 class Coordinate; 00027 00043 class GEOS_DLL CoordinateFilter { 00044 public: 00045 virtual ~CoordinateFilter() {} 00046 00052 virtual void filter_rw(Coordinate* /*coord*/) const { assert(0); } 00053 00059 virtual void filter_ro(const Coordinate* /*coord*/) { assert(0); } 00060 }; 00061 00062 } // namespace geos::geom 00063 } // namespace geos 00064 00065 #endif // ndef GEOS_GEOM_COORDINATEFILTER_H