IDWSlopesAlgorithm.h

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// SPDX-License-Identifier: LGPL-3.0-or-later
/***********************************************************************************/
/*  Copyright 2018 WSL Institute for Snow and Avalanche Research    SLF-DAVOS      */
/***********************************************************************************/
/* This file is part of MeteoIO.
    MeteoIO is free software: you can redistribute it and/or modify
    it under the terms of the GNU Lesser General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.
 
    MeteoIO is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU Lesser General Public License for more details.
 
    You should have received a copy of the GNU Lesser General Public License
    along with MeteoIO.  If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef IDWSLOPE_ALGORITHM_H
#define IDWSLOPE_ALGORITHM_H
 
#include <meteoio/spatialInterpolations/InterpolationAlgorithms.h>
 
namespace mio {
 
class IDWSlopesAlgorithm : public InterpolationAlgorithm {
        public:
                IDWSlopesAlgorithm(const std::vector< std::pair<std::string, std::string> >& vecArgs, const std::string& i_algo, const std::string& i_param, TimeSeriesManager& i_tsm);
                virtual double getQualityRating(const Date& i_date) override;
                virtual void calculate(const DEMObject& dem, Grid2DObject& grid) override;
        private:
                enum Slopes {firstSlope=0, FLAT=firstSlope, NORTH, EAST, SOUTH, WEST, lastSlope=WEST};
                
                Grid2DObject computeAspect(const DEMObject& dem, const Slopes& curr_slope);
                
                std::vector< std::vector<double> > vecDataCache;
                std::vector< std::vector<StationData> > vecMetaCache;
                Trend trend;
                double scale, alpha; 
                static const double min_slope, max_slope;
                static const size_t nrSlopes;
};
 
} //end namespace mio
 
#endif