00001 /* 00002 * Fimex 00003 * 00004 * (C) Copyright 2008, met.no 00005 * 00006 * Project Info: https://wiki.met.no/fimex/start 00007 * 00008 * This library is free software; you can redistribute it and/or modify it 00009 * under the terms of the GNU Lesser General Public License as published by 00010 * the Free Software Foundation; either version 2.1 of the License, or 00011 * (at your option) any later version. 00012 * 00013 * This library is distributed in the hope that it will be useful, but 00014 * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY 00015 * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public 00016 * License for more details. 00017 * 00018 * You should have received a copy of the GNU Lesser General Public 00019 * License along with this library; if not, write to the Free Software 00020 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, 00021 * USA. 00022 */ 00023 00024 #ifndef CDMEXTRACTOR_H_ 00025 #define CDMEXTRACTOR_H_ 00026 00027 #include <map> 00028 #include <boost/array.hpp> 00029 #include <boost/shared_ptr.hpp> 00030 00031 #include "fimex/CDMReader.h" 00032 #include "fimex/CDMDataType.h" 00033 00034 namespace MetNoFimex 00035 { 00036 00037 class CDMExtractor : public MetNoFimex::CDMReader 00038 { 00039 private: 00040 boost::shared_ptr<CDMReader> dataReader; 00041 typedef std::map<std::string, boost::array<size_t, 2> > DimChangeMap; 00042 DimChangeMap dimChanges; 00046 CDMExtractor(); 00047 00048 public: 00049 CDMExtractor(boost::shared_ptr<CDMReader> dataReader); 00050 virtual ~CDMExtractor(); 00051 00052 virtual boost::shared_ptr<Data> getDataSlice(const std::string& varName, size_t unLimDimPos = 0) throw(CDMException); 00053 00060 virtual void removeVariable(std::string variable) throw(CDMException); 00069 virtual void reduceDimension(std::string dimName, size_t start, size_t length) throw(CDMException); 00078 virtual void reduceDimensionStartEnd(std::string dimName, size_t start = 0, long end = 0) throw(CDMException); 00088 virtual void changeDataType(std::string variable, CDMDataType datatype) throw(CDMException); 00089 00090 }; 00091 00092 } 00093 00094 #endif /*CDMEXTRACTOR_H_*/