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/***********************************************/
/**
* @file orbit2MagneticField.cpp
*
* @brief Magentic field vector along orbit.
*
* @author Torsten Mayer-Guerr
* @date 2022-05-20
*
*/
/***********************************************/
// Latex documentation
#define DOCSTRING docstring
static const char *docstring = R"(
This program computes the magentic field vector($x, y, z$ $[Tesla = kg/A/s^2]$ in CRF))
along an \file{orbit}{instrument} and writes it as \file{instrument file}{instrument} (MISCVALUES).
The data of \configFile{inputfileInstrument}{instrument} are appended as data columns to each epoch.
)";
/***********************************************/
#include "programs/program.h"
#include "files/fileInstrument.h"
#include "classes/magnetosphere/magnetosphere.h"
#include "classes/earthRotation/earthRotation.h"
/***** CLASS ***********************************/
/** @brief Magentic field vector along orbit.
* @ingroup programsGroup */
class Orbit2MagneticField
{
public:
void run(Config &config, Parallel::CommunicatorPtr comm);
};
GROOPS_REGISTER_PROGRAM(Orbit2MagneticField, PARALLEL, "Thermospheric state along orbit.", Orbit, Instrument)
/***********************************************/
void Orbit2MagneticField::run(Config &config, Parallel::CommunicatorPtr comm)
{
try
{
FileName fileNameOut, fileNameOrbit;
std::vector<FileName> fileNamesInstrument;
MagnetospherePtr magnetosphere;
EarthRotationPtr earthRotation;
readConfig(config, "outputfileMagneticField", fileNameOut, Config::MUSTSET, "", "instrument file (x,y,z in CRF [Tesla = kg/A/s^2]), ...)");
readConfig(config, "inputfileOrbit", fileNameOrbit, Config::MUSTSET, "", "");
readConfig(config, "inputfileInstrument", fileNamesInstrument, Config::OPTIONAL, "", "data are appended to output file");
readConfig(config, "magnetosphere", magnetosphere, Config::MUSTSET, "", "");
readConfig(config, "earthRotation", earthRotation, Config::MUSTSET, "", "");
if(isCreateSchema(config)) return;
// =======================
logStatus<<"computing thermospheric state"<<Log::endl;
InstrumentFile orbitFile(fileNameOrbit);
UInt dataCount = 4; // (time, x, y, z)
std::vector<InstrumentFilePtr> instrumentFile;
for(auto &fileName : fileNamesInstrument)
{
instrumentFile.push_back(InstrumentFile::newFile(fileName));
InstrumentFile::checkArcCount({orbitFile, *instrumentFile.back()});
dataCount += instrumentFile.back()->dataCount(TRUE/*mustDefined*/);
}
std::vector<Arc> arcList(orbitFile.arcCount());
Parallel::forEach(arcList, [&] (UInt arcNo)
{
const OrbitArc orbit = orbitFile.readArc(arcNo);
Matrix A(orbit.size(), dataCount);
for(UInt i=0; i<orbit.size(); i++)
{
const Rotary3d rotEarth = earthRotation->rotaryMatrix(orbit.at(i).time);
Vector3d field = rotEarth.inverseRotate(magnetosphere->magenticFieldVector(orbit.at(i).time, rotEarth.rotate(orbit.at(i).position)));
A(i, 1) = field.x();
A(i, 2) = field.y();
A(i, 3) = field.z();
}
UInt idx = 4;
for(auto &file: instrumentFile)
{
Arc arc = file->readArc(arcNo);
Arc::checkSynchronized({orbit, arc});
Matrix B = arc.matrix();
copy(B.column(1, B.columns()-1), A.column(idx, B.columns()-1));
idx += B.columns()-1;
}
return Arc(orbit.times(), A);
}, comm);
// write results
// -------------
if(Parallel::isMaster(comm))
{
logStatus<<"write magnetic field vector to file <"<<fileNameOut<<">"<<Log::endl;
InstrumentFile::write(fileNameOut, arcList);
Arc::printStatistics(arcList);
}
}
catch(std::exception &e)
{
GROOPS_RETHROW(e)
}
}
/***********************************************/
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