odm/actions/actiontsc.h

#pragma once
#include "BFileW.h"
#include "actiondep.h"
#include <memory>

using michlib::BFileW;

ADD_ACTION(TSC, tsc, ReadPSupported<Source> || ReadSupported<Source>);

template<class D> MString ActionTSC::DoAction(const CLArgs& args, D& ds)
{
 auto [reg, regerr] = GetRegion<D>(args);
 if(regerr.Exist()) return regerr;

 auto resop = ds.Open(args);
 if(resop.Exist()) return "Can't open source: " + resop;

 michlib_internal::ParameterListEx pars;
 pars.UsePrefix("");
 pars.SetParameter("source", args.at("source"));

 auto [tindexes, err] = GetTIndexes(ds, args, pars);
 if(err.Exist()) return err;

 if(!args.contains("var")) return "Variable not specified";
 MString vname = args.at("var");
 if(!ds.CheckVar(vname)) return "Variable " + vname + " not exists in this dataset";
 pars.SetParameter("variable", vname);

 std::unique_ptr<const BaseParameters> sourcepars;
 if constexpr(ParametersSupported<D>)
 {
  if constexpr(ParametersRequiredRegion<D>)
  {
   auto [p, err] = ds.Parameters(pars, args, reg);
   if(err.Exist()) return err;
   sourcepars.reset(p);
  }
  else
  {
   auto [p, err] = ds.Parameters(pars, args);
   if(err.Exist()) return err;
   sourcepars.reset(p);
  }
 }
 auto p = sourcepars.get();

 auto data = Read(ds, vname, p, tindexes);
 if(!data) return "Can't read data";
 if(!data.Unit().Exist()) michlib::errmessage("Unknown measurement unit!");

 BFileW  fw;
 MString name = args.contains("out") ? args.at("out") : "";
 if(!name.Exist()) name = "out.bin";

 fw.Create(name, 3);
 fw.SetColumnName(1, "Longitude");
 fw.SetColumnName(2, "Latitude");
 fw.SetColumnName(3, vname + ", " + (data.Unit().Exist() ? data.Unit() : "unknown"));
 fw.SetParameters(pars);
 for(size_t i = 0; i < data.N(); i++)
 {
  fw.Write(data.Lon(i));
  fw.Write(data.Lat(i));
  fw.Write(data(i) == data.Fillval() ? NAN : data(i));
 }
 fw.Finalize();
 fw.Close();

 return "";
};