# MI - Fimex: include/fimex/CDMExtractor.h Source File

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# include/fimex/CDMExtractor.h

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    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 <set>
    00029 #include <boost/array.hpp>
    00030 #include <boost/shared_ptr.hpp>
    00031
    00032 #include "fimex/CDMReader.h"
    00033 #include "fimex/CDMDataType.h"
    00034 #include "fimex/TimeUnit.h"
    00035 #include "fimex/coordSys/CoordinateAxis.h"
    00036
    00037 namespace MetNoFimex
    00038 {
    00039
    00040 class CDMExtractor : public MetNoFimex::CDMReader
    00041 {
    00042 private:
    00043         boost::shared_ptr<CDMReader> dataReader;
    00044         typedef std::map<std::string, boost::array<size_t, 2> > DimChangeMap;
    00045         DimChangeMap dimChanges;
    00049         CDMExtractor();
    00050
    00051 public:
    00052         CDMExtractor(boost::shared_ptr<CDMReader> dataReader);
    00053         virtual ~CDMExtractor();
    00054
    00055         virtual boost::shared_ptr<Data> getDataSlice(const std::string& varName, size_t unLimDimPos = 0) throw(CDMException);
    00056
    00063         virtual void removeVariable(std::string variable);
    00074     virtual void selectVariables(std::set<std::string> variables);
    00083         virtual void reduceDimension(std::string dimName, size_t start, size_t length) throw(CDMException);
    00092         virtual void reduceDimensionStartEnd(std::string dimName, size_t start = 0, long end = 0) throw(CDMException);
    00105     virtual void reduceAxes(const std::vector<CoordinateAxis::AxisType>& types, const std::string& aUnits, double startVal, double endVal) throw(CDMException);
    00115         virtual void reduceTime(const FimexTime& startTime, const FimexTime& endTime) throw(CDMException);
    00116
    00131     virtual void reduceVerticalAxis(const std::string& units, double startVal, double endVal) throw(CDMException);
    00132
    00145     virtual void reduceLatLonBoundingBox(double south, double north, double west, double east) throw(CDMException);
    00146
    00156         virtual void changeDataType(std::string variable, CDMDataType datatype) throw(CDMException);
    00157
    00158 };
    00159
    00160 }
    00161
    00162 #endif /*CDMEXTRACTOR_H_*/