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/***********************************************/
/**
* @file timeSeries2GriddedData.cpp
*
* @brief Write time series as gridded data for each epoch.
*
* @author Torsten Mayer-Guerr
* @date 2019-01-29
*
*/
/***********************************************/
// Latex documentation
#define DOCSTRING docstring
static const char *docstring = R"(
Interpret the data columns of \configFile{inputfileTimeSeries}{instrument}
as data points of a corresponding \configClass{grid}{gridType}.
For each epoch a \file{gridded data file}{griddedData} is written where
the \config{variableLoopTime} and \config{variableLoopIndex} are expanded for
each point of the given time series to create the file name for this epoch
(see \reference{text parser}{general.parser:text}).
The number of input data columns must be a multiple of the number $n$ of grid points.
If \config{isGroupedDataByPoint} is true the \configFile{inputfileTimeSeries}{instrument} starts
with all data (\verb|data0|, \verb|data1|\ldots) for the first point, followed by all data of the second point and so on.
If \config{isGroupedDataByPoint} is false, the file starts with \verb|data0| for all points, followed by all \verb|data1| and so on.
See also \program{GriddedData2TimeSeries}.
)";
/***********************************************/
#include "programs/program.h"
#include "files/fileInstrument.h"
#include "files/fileGriddedData.h"
#include "classes/grid/grid.h"
#include "misc/miscGriddedData.h"
/***** CLASS ***********************************/
/** @brief Write time series as gridded data for each epoch.
* @ingroup programsGroup */
class TimeSeries2GriddedData
{
public:
void run(Config &config, Parallel::CommunicatorPtr comm);
};
GROOPS_REGISTER_PROGRAM(TimeSeries2GriddedData, SINGLEPROCESS, "Write time series as gridded data for each epoch", Grid, TimeSeries)
/***********************************************/
void TimeSeries2GriddedData::run(Config &config, Parallel::CommunicatorPtr /*comm*/)
{
try
{
FileName fileNameGrid, fileNameInstrument;
std::string nameTime, nameIndex, nameCount;
GridPtr gridPtr;
Bool groupData;
Double a, f;
readConfig(config, "outputfilesGriddedData", fileNameGrid, Config::MUSTSET, "grid_{loopTime:%y-%m}.dat", "for each epoch");
readConfig(config, "variableLoopTime", nameTime, Config::OPTIONAL, "loopTime", "variable with time of each epoch");
readConfig(config, "variableLoopIndex", nameIndex, Config::OPTIONAL, "", "variable with index of current epoch (starts with zero)");
readConfig(config, "variableLoopCount", nameCount, Config::OPTIONAL, "", "variable with total number of epochs");
readConfig(config, "inputfileTimeSeries", fileNameInstrument, Config::MUSTSET, "", "each epoch: multiple data for points (MISCVALUES)");
readConfig(config, "grid", gridPtr, Config::MUSTSET, "", "corresponding grid points");
readConfig(config, "isDataGroupedByPoint", groupData, Config::DEFAULT, "1", "multiple data are given point by point, otherwise: first data0 for all points, followed by all data1");
readConfig(config, "R", a, Config::DEFAULT, STRING_DEFAULT_GRS80_a, "reference radius for ellipsoidal coordinates on output");
readConfig(config, "inverseFlattening", f, Config::DEFAULT, STRING_DEFAULT_GRS80_f, "reference flattening for ellipsoidal coordinates on output, 0: spherical coordinates");
if(isCreateSchema(config)) return;
logStatus<<"read time series <"<<fileNameInstrument<<">"<<Log::endl;
MiscValuesArc arc = InstrumentFile::read(fileNameInstrument);
Arc::printStatistics(arc);
logStatus<<"create grid"<<Log::endl;
GriddedData grid(Ellipsoid(a,f), gridPtr->points(), gridPtr->areas(), {});
// number of data columns
const UInt countPoints = grid.points.size();
const UInt countData = arc.at(0).values.rows();
const UInt columns = countData/countPoints;
if((countData < countPoints) || (countData%countPoints != 0))
throw(Exception("number of data columns ("+countData%"%i) in time series must be a multiple of grid points ("s+countPoints%"%i)"s));
grid.values.resize(columns, std::vector<Double>(countPoints));
const std::vector<Time> times = arc.times();
VariableList varList;
if(!nameTime.empty()) varList.undefineVariable(nameTime);
if(!nameIndex.empty()) varList.undefineVariable(nameIndex);
if(!nameCount.empty()) varList.setVariable(nameCount, times.size());
for(UInt idEpoch=0; idEpoch<times.size(); idEpoch++)
{
if(!nameTime.empty()) varList.setVariable(nameTime, times.at(idEpoch).mjd());
if(!nameIndex.empty()) varList.setVariable(nameIndex, idEpoch);
logStatus<<"write gridded data <"<<fileNameGrid(varList)<<">"<<Log::endl;
for(UInt i=0; i<grid.points.size(); i++)
for(UInt k=0; k<columns; k++)
grid.values.at(k).at(i) = arc.at(idEpoch).values((groupData) ? (i*columns+k) : (i+grid.points.size()*k));
writeFileGriddedData(fileNameGrid(varList), grid);
}
}
catch(std::exception &e)
{
GROOPS_RETHROW(e)
}
}
/***********************************************/
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