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/***********************************************/
/**
* @file slrSinexDataHandling2Files.cpp
*
* @brief Convert SLR SINEX data handling file.
*
* @author Torsten Mayer-Guerr
* @date 2022-12-15
*/
/***********************************************/
// Latex documentation
#define DOCSTRING docstring
static const char *docstring = R"(
Converts SLR range and time bias from \verb|ILRS_Data_Handling_File_xxxx.xx.xx.snx| provided at
\url{https://cddis.nasa.gov/archive/slr/products/resource/}. The range and time bias values can be used in
\configClass{parametrization:rangeBiasXxxApriori}{slrParametrizationType:rangeBiasStationApriori}
in \program {SlrProcessing}.
)";
/***********************************************/
#include "programs/program.h"
#include "base/string.h"
#include "inputOutput/fileSinex.h"
#include "files/fileInstrument.h"
/***** CLASS ***********************************/
/** @brief Convert SLR SINEX data handling file.
* @ingroup programsConversionGroup */
class SlrSinexDataHandling2Files
{
public:
void run(Config &config, Parallel::CommunicatorPtr comm);
};
GROOPS_REGISTER_PROGRAM(SlrSinexDataHandling2Files, SINGLEPROCESS, "Convert SLR SINEX data handling file", Conversion, Slr)
/***********************************************/
void SlrSinexDataHandling2Files::run(Config &config, Parallel::CommunicatorPtr /*comm*/)
{
try
{
FileName fileNameRangeBiasStation, fileNameRangeBiasSatellite, fileNameTimeBias;
FileName fileNameSinex, fileNameSatelliteId;
std::string variableLoopStation, variableLoopSatellite;
std::vector<std::string> stationNames;
readConfig(config, "outputfileRangeBiasStation", fileNameRangeBiasStation, Config::OPTIONAL, "rangeBias.{station}.txt", "MISCVALUE [m]");
readConfig(config, "outputfileRangeBiasStationSatellite", fileNameRangeBiasSatellite, Config::OPTIONAL, "rangeBias.{station}.{satellite}.txt", "MISCVALUE [m]");
readConfig(config, "outputfileTimeBias", fileNameTimeBias, Config::OPTIONAL, "timeBias.{station}.txt", "MISCVALUES(bias [s], drift [s/d])");
readConfig(config, "variableLoopStation", variableLoopStation, Config::DEFAULT, "station", "variable name for station loop");
readConfig(config, "variableLoopSatellite", variableLoopSatellite, Config::DEFAULT, "satellite", "variable name for satellite loop");
readConfig(config, "inputfileSinex", fileNameSinex, Config::MUSTSET, "ILRS_Data_Handling_File.snx", "SINEX file (.snx)");
readConfig(config, "inputfileSatelliteId", fileNameSatelliteId, Config::OPTIONAL, "", "table SP3 and satellite name");
readConfig(config, "stationName", stationNames, Config::OPTIONAL, "", "convert only these stations");
if(isCreateSchema(config)) return;
std::map<std::string, MiscValueArc> rangeBiasesStation;
std::map<std::string, std::map<std::string, MiscValueArc>> rangeBiasesStationSatellite;
std::map<std::string, MiscValuesArc> timeBiases;
logStatus<<"read SINEX file <"<<fileNameSinex<<">"<<Log::endl;
Sinex sinex;
readFileSinex(fileNameSinex, sinex);
// MODEL/RANGE_BIAS
// ----------------------
for(std::string &line : sinex.findBlock("MODEL/RANGE_BIAS")->lines)
{
// * 1 2 3 4 5 6 7 8
// *12345678901234567890123456789012345678901234567890123456789012345678901234567890
// *CODE PT UNIT T _DATA_START_ __DATA_END__ M __E-VALUE___ STD_DEV _E-RATE__ CMNTS
line.resize(80, ' ');
std::string station = String::lowerCase(String::trim(line.substr(1, 4)));
if(stationNames.size() && std::find(stationNames.begin(), stationNames.end(), station) == stationNames.end())
continue;
if(line.at(42) != 'R') // range bias
continue;
Time timeStart = Sinex::str2time(line, 16, FALSE);
Time timeEnd = Sinex::str2time(line, 29, TRUE);
MiscValueEpoch epoch;
epoch.time = timeStart;
epoch.value = 1e-3 * String::toDouble(line.substr(44, 12)); // mm -> m
std::string satId = String::trim(line.substr(6, 2));
if(satId == "--")
satId = "";
if(satId.empty()) // station specific range bias
{
if(rangeBiasesStation[station].size() && (rangeBiasesStation[station].back().time >= timeStart-seconds2time(1)))
rangeBiasesStation[station].remove(rangeBiasesStation[station].size()-1);
rangeBiasesStation[station].push_back(epoch);
// zero bias after end of interval
epoch.time = timeEnd;
epoch.value = 0.;
rangeBiasesStation[station].push_back(epoch);
}
else
{
if(rangeBiasesStationSatellite[station][satId].size() && (rangeBiasesStationSatellite[station][satId].back().time >= timeStart-seconds2time(1)))
rangeBiasesStationSatellite[station][satId].remove(rangeBiasesStationSatellite[station][satId].size()-1);
rangeBiasesStationSatellite[station][satId].push_back(epoch);
// zero bias after end of interval
epoch.time = timeEnd;
epoch.value = 0.;
rangeBiasesStationSatellite[station][satId].push_back(epoch);
}
}
// MODEL/TIME_BIAS
// ---------------
for(std::string &line : sinex.findBlock("MODEL/TIME_BIAS")->lines)
{
// * 1 2 3 4 5 6 7 8
// *12345678901234567890123456789012345678901234567890123456789012345678901234567890
// *CODE PT SOLN T START_DATE__ END_DATE____ M __E-VALUE___ STD_DEV _E-RATE__ UNIT CMNTS
line.resize(80, ' ');
std::string station = String::lowerCase(String::trim(line.substr(1, 4)));
if(stationNames.size() && std::find(stationNames.begin(), stationNames.end(), station) == stationNames.end())
continue;
if(line.at(42) != 'T') // time bias
continue;
if((line.substr(6, 2) != " ") && (line.substr(6, 2) != "--"))
{
logWarning<<"station-satellite specific time bias ignored in line '"<<line<<"'"<<Log::endl;
continue;
}
Time timeStart = Sinex::str2time(line, 16, FALSE);
Time timeEnd = Sinex::str2time(line, 29, TRUE);
if(timeBiases[station].size() && (timeBiases[station].back().time >= timeStart-seconds2time(1)))
timeBiases[station].remove(timeBiases[station].size()-1);
Double unit = 1.;
if(String::trim(line.substr(75, 4)) == "ms")
unit = 1e-3;
else if(String::trim(line.substr(75, 4)) == "us")
unit = 1e-6;
else
{
logWarning<<"Unknown time unit (ms or us) '"<<line<<"'"<<Log::endl;
continue;
}
MiscValuesEpoch epoch(2);
epoch.time = timeStart;
epoch.values(0) = unit * String::toDouble(line.substr(44, 12)); // bias ms/us -> s
epoch.values(1) = unit * String::toDouble(line.substr(65, 9)); // drift ms/us -> s/d
epoch.values(0) -= epoch.values(1) * 0.5 * (timeEnd-timeStart).mjd(); // move bias from mid to start of interval
timeBiases[station].push_back(epoch);
// zero bias after end of interval
epoch.time = timeEnd;
epoch.values.setNull();
timeBiases[station].push_back(epoch);
}
// write results
// -------------
if(!fileNameRangeBiasStation.empty())
{
VariableList varList;
varList.setVariable(variableLoopStation, "****");
logStatus<<"write station range biases to file <"<<fileNameRangeBiasStation(varList)<<">"<<Log::endl;
for(auto &rangeBiasPair : rangeBiasesStation)
if(rangeBiasPair.second.size())
{
varList.setVariable(variableLoopStation, rangeBiasPair.first);
InstrumentFile::write(fileNameRangeBiasStation(varList), rangeBiasPair.second);
}
}
if(!fileNameRangeBiasSatellite.empty())
{
VariableList varList;
varList.setVariable(variableLoopStation, "****");
varList.setVariable(variableLoopSatellite, "****");
logStatus<<"write station-satellite range biases to file <"<<fileNameRangeBiasSatellite(varList)<<">"<<Log::endl;
for(auto &pairStation : rangeBiasesStationSatellite)
for(auto &pairSatellite : pairStation.second)
if(pairSatellite.second.size())
{
varList.setVariable(variableLoopStation, pairStation.first);
varList.setVariable(variableLoopSatellite, pairSatellite.first);
InstrumentFile::write(fileNameRangeBiasSatellite(varList), pairSatellite.second);
}
}
if(!fileNameTimeBias.empty())
{
VariableList varList;
varList.setVariable(variableLoopStation, "****");
logStatus<<"write time biases to file <"<<fileNameTimeBias(varList)<<">"<<Log::endl;
for(auto &timeBiasPair : timeBiases)
if(timeBiasPair.second.size())
{
varList.setVariable(variableLoopStation, timeBiasPair.first);
InstrumentFile::write(fileNameTimeBias(varList), timeBiasPair.second);
}
}
}
catch(std::exception &e)
{
GROOPS_RETHROW(e)
}
}
/***********************************************/
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