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/***********************************************/
/**
* @file orbit2ArgumentOfLatitude.cpp
*
* @brief Computes argument of latitude.
*
* @author Torsten Mayer-Guerr
* @date 2016-07-26
*
*/
/***********************************************/
// Latex documentation
#define DOCSTRING docstring
static const char *docstring = R"(
This program computes the argument of latitude of an \file{orbit}{instrument}
and writes it as \file{instrument file}{instrument} (MISCVALUE(S)).
The data of \configFile{inputfileInstrument}{instrument} are appended as values to each epoch.
\fig{!hb}{0.8}{instrumentOrbit2ArgumentOfLatitude}{fig:instrumentOrbit2ArgumentOfLatitude}{Derivation filtered GRACE range-rate residuals.}
)";
/***********************************************/
#include "programs/program.h"
#include "base/planets.h"
#include "files/fileInstrument.h"
/***** CLASS ***********************************/
/** @brief Argument of latitude.
* @ingroup programsGroup */
class Orbit2ArgumentOfLatitude
{
public:
void run(Config &config, Parallel::CommunicatorPtr comm);
};
GROOPS_REGISTER_PROGRAM(Orbit2ArgumentOfLatitude, PARALLEL, "Argument of latitude.", Orbit, Instrument)
GROOPS_RENAMED_PROGRAM(InstrumentOrbit2ArgumentOfLatitude, Orbit2ArgumentOfLatitude, date2time(2020, 05, 25))
/***********************************************/
void Orbit2ArgumentOfLatitude::run(Config &config, Parallel::CommunicatorPtr comm)
{
try
{
FileName fileNameOut, fileNameOrbit;
std::vector<FileName> fileNamesInstrument;
readConfig(config, "outputfileArgOfLatitude", fileNameOut, Config::MUSTSET, "", "instrument file (MISCVALUE(S): argLat, ...)");
readConfig(config, "inputfileOrbit", fileNameOrbit, Config::MUSTSET, "", "");
readConfig(config, "inputfileInstrument", fileNamesInstrument, Config::OPTIONAL, "", "data are appended");
if(isCreateSchema(config)) return;
// =======================
logStatus<<"computing argument of latitude"<<Log::endl;
InstrumentFile orbitFile(fileNameOrbit);
UInt dataCount = 2; // time, arg
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++)
{
if(orbit.at(i).velocity.r()==0)
throw(Exception("no velocity given"));
const Vector3d z = normalize(crossProduct(orbit.at(i).position, orbit.at(i).velocity));
const Vector3d x = normalize(crossProduct(Vector3d(0,0,1), z));
const Vector3d y = crossProduct(z, x);
A(i, 1) = atan2(inner(orbit.at(i).position,y), inner(orbit.at(i).position, x)); // Argument of latitude of satellite
}
UInt idx = 2;
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 argument of latitude to file <"<<fileNameOut<<">"<<Log::endl;
InstrumentFile::write(fileNameOut, arcList);
Arc::printStatistics(arcList);
}
}
catch(std::exception &e)
{
GROOPS_RETHROW(e)
}
}
/***********************************************/
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