00001 00002 // -*- mode: c++; c-basic-offset:4 -*- 00003 00004 // This file is part of libdap, A C++ implementation of the OPeNDAP Data 00005 // Access Protocol. 00006 00007 // Copyright (c) 2006 OPeNDAP, Inc. 00008 // Author: James Gallagher <jgallagher@opendap.org> 00009 // 00010 // This library is free software; you can redistribute it and/or 00011 // modify it under the terms of the GNU Lesser General Public 00012 // License as published by the Free Software Foundation; either 00013 // version 2.1 of the License, or (at your option) any later version. 00014 // 00015 // This library is distributed in the hope that it will be useful, 00016 // but WITHOUT ANY WARRANTY; without even the implied warranty of 00017 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 00018 // Lesser General Public License for more details. 00019 // 00020 // You should have received a copy of the GNU Lesser General Public 00021 // License along with this library; if not, write to the Free Software 00022 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 00023 // 00024 // You can contact OPeNDAP, Inc. at PO Box 112, Saunderstown, RI. 02874-0112. 00025 00026 #ifndef _grid_geo_constraint_h 00027 #define _grid_geo_constraint_h 1 00028 00029 #include <string> 00030 #include <sstream> 00031 #include <set> 00032 00033 #ifndef _geo_constraint_h 00034 #include "GeoConstraint.h" 00035 #endif 00036 00037 // Defined in GeoConstraint; maybe move to util.cc/h? 00038 extern void remove_quotes(string & value); 00039 extern bool unit_or_name_match(set < string > units, set < string > names, 00040 const string & var_units, const string & var_name); 00041 00045 class GridGeoConstraint : public GeoConstraint 00046 { 00047 00048 private: 00049 // Specific to a Grid 00050 Grid *d_grid; //< Constrain this Grid 00051 00052 Array *d_latitude; //< A pointer to the Grid's latitude map 00053 Array *d_longitude; //< A pointer to the Grid's longitude map 00054 00055 bool build_lat_lon_maps(); 00056 bool lat_lon_dimensions_ok(); 00057 00058 friend class GridGeoConstraintTest; // Unit tests 00059 00060 public: 00063 GridGeoConstraint(Grid *grid, const string &ds_name/*, const DDS &dds*/); 00065 00066 virtual ~GridGeoConstraint() 00067 {} 00068 00069 virtual void apply_constraint_to_data() ; 00070 00071 virtual Grid *get_constrained_grid() const 00072 { 00073 return d_grid; 00074 } 00075 }; 00076 00077 #endif // _grid_geo_constraint_h 00078