FilterDeGrass.h

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// SPDX-License-Identifier: LGPL-3.0-or-later
/***********************************************************************************/
/*  Copyright 2014 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 FilterDeGrass_H
#define FilterDeGrass_H
 
#include <meteoio/meteoFilters/ProcessingBlock.h> //use this one for all others
#include <vector>
#include <string>
 
namespace mio {
 
class FilterDeGrass : public ProcessingBlock {
        public:
                FilterDeGrass(const std::vector< std::pair<std::string, std::string> >& vecArgs, const std::string& name, const Config& cfg);
 
                virtual void process(const unsigned int& param, const std::vector<MeteoData>& ivec,
                                     std::vector<MeteoData>& ovec) override;
 
        private:
                void filterOnTsg(const unsigned int& param, const size_t& ii, std::vector<MeteoData>& ovec);
                void filterOnTss(const unsigned int& param, const size_t& ii, const double& tss_offset, std::vector<MeteoData>& ovec);
                
                static double getTssTsgCorrelation(const std::vector<MeteoData>& ovec, const size_t& firstWarmDay_idx);
                static void findFirstWarmDay(const std::vector<MeteoData>& ovec, size_t &tssWarmDay_idx, size_t &tsgWarmDay_idx);
                static double getTSSOffset(const unsigned int& param, const std::vector<MeteoData>& ivec);
                static bool getDailyParameters(const std::vector<MeteoData>& ivec, const Date day_start, double &HS_daily_median, double &TSS_daily_median, double &RSWR_daily_10pc);
                static void getTSSDailyPpt(const std::vector<MeteoData>& ivec, const Date day_start, double &o_TSS_daily_min, double &o_TSS_daily_max, double &o_TSS_daily_mean);
                static double getDailyTSGVariance(const std::vector<MeteoData>& ivec, const Date day_start);
                static Date getDailyStart(const Date& resampling_date);
                
                Date prev_day;
                double TSS_daily_max, TSS_daily_min, TSS_daily_mean, TSG_daily_var;
                double TSS_user_offset; 
                int month;
};
 
} //end namespace
 
#endif