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/***********************************************/
/**
* @file gnssClockRinex2InstrumentClock.cpp
*
* @brief Convert GNSS clock RINEX files to single value instrument files for satellites or stations.
*
* @author Sebastian Strasser
* @date 2016-07-26
*
*/
/***********************************************/
// Latex documentation
#define DOCSTRING docstring
static const char *docstring =
R"(
This program converts clocks from the \href{https://files.igs.org/pub/data/format/rinex_clock304.txt}{IGS clock RINEX format},
which contains the clocks of all satellites and stations in a single file,
into an \file{instrument file (MISCVALUE)}{instrument} for each \config{identifier}
(satellite and/or station).
)";
/***********************************************/
#include "programs/program.h"
#include "base/string.h"
#include "inputOutput/file.h"
#include "files/fileInstrument.h"
#include "classes/timeSeries/timeSeries.h"
/***** CLASS ***********************************/
/** @brief Convert GNSS clock RINEX files to single value instrument files for satellites or stations.
* @ingroup programsConversionGroup */
class GnssClockRinex2InstrumentClock
{
void readFile(const FileName &fileName, std::vector<std::string> identifier, std::vector<std::vector<Time>> ×, std::vector<std::vector<Double>> &clock) const;
public:
void run(Config &config, Parallel::CommunicatorPtr comm);
};
GROOPS_REGISTER_PROGRAM(GnssClockRinex2InstrumentClock, SINGLEPROCESS, "Convert GNSS clock RINEX files to single value instrument files for satellites or stations.", Conversion, Gnss, Instrument)
GROOPS_RENAMED_PROGRAM(Igs2InstrumentClock, GnssClockRinex2InstrumentClock, date2time(2020, 8, 19))
/***********************************************/
void GnssClockRinex2InstrumentClock::run(Config &config, Parallel::CommunicatorPtr /*comm*/)
{
try
{
FileName fileNameOutInstrument;
std::vector<FileName> fileNameInClockRinex;
TimeSeriesPtr timesIntervalPtr;
std::vector<std::string> identifier;
UInt minEpochsPerInterval;
renameDeprecatedConfig(config, "inputfileIgsClock", "inputfileClockRinex", date2time(2020, 8, 19));
readConfig(config, "outputfileInstrument", fileNameOutInstrument, Config::MUSTSET, "", "identifier is appended to each file");
readConfig(config, "inputfileClockRinex", fileNameInClockRinex, Config::MUSTSET, "", "");
readConfig(config, "identifier", identifier, Config::MUSTSET, "", "satellite or station identifier, e.g. G23 or alic");
readConfig(config, "intervals", timesIntervalPtr, Config::MUSTSET, "", "");
readConfig(config, "minEpochsPerInterval", minEpochsPerInterval, Config::DEFAULT, "2", "minimum number of epochs in an interval");
if(isCreateSchema(config)) return;
// ======================================================
// Read files
// ----------
std::vector<std::vector<Time>> times(identifier.size());
std::vector<std::vector<Double>> clocks(identifier.size());
for(UInt i=0; i<fileNameInClockRinex.size(); i++)
{
logStatus<<"Read file <"<<fileNameInClockRinex.at(i)<<">"<<Log::endl;
readFile(fileNameInClockRinex.at(i), identifier, times, clocks);
}
// Conversion
// ----------
const std::vector<Time> timesInterval = timesIntervalPtr->times();
const UInt arcCount = timesInterval.size()-1;
for(UInt idIdentifier = 0; idIdentifier < identifier.size(); idIdentifier++)
{
std::vector<MiscValueArc> arcs;
UInt idx=0;
for(UInt idArc=0; idArc<arcCount; idArc++)
{
// find starting epoch of arc
while((idx<times.at(idIdentifier).size()) && (times.at(idIdentifier).at(idx)<timesInterval.at(idArc)))
idx++;
// fill arc with epochs
MiscValueArc arc;
for(UInt idEpoch=idx; (idEpoch<times.at(idIdentifier).size()) && (times.at(idIdentifier).at(idEpoch)<=timesInterval.at(idArc+1)); idEpoch++)
if(clocks.at(idIdentifier).at(idEpoch) != 0)
{
MiscValueEpoch epoch;
epoch.time = times.at(idIdentifier).at(idEpoch);
Vector x(1);
x(0) = clocks.at(idIdentifier).at(idEpoch);
epoch.setData(x);
arc.push_back(epoch);
}
if(arc.size()>=minEpochsPerInterval)
arcs.push_back(arc);
else if(arc.size())
logWarning<<identifier.at(idIdentifier)<<": "<<timesInterval.at(idArc).dateTimeStr()<<" not enough epochs in arc ("<<arc.size()<<" < "<<minEpochsPerInterval<<")"<<Log::endl;
else
logWarning<<identifier.at(idIdentifier)<<": "<<timesInterval.at(idArc).dateTimeStr()<<" empty arc"<<Log::endl;
}
// write instrument file
if(arcs.size())
{
logStatus<<"Write clocks to file <"<<fileNameOutInstrument.appendBaseName("."+identifier.at(idIdentifier))<<">"<<Log::endl;
InstrumentFile::write(fileNameOutInstrument.appendBaseName("."+identifier.at(idIdentifier)), arcs);
}
}
}
catch(std::exception &e)
{
GROOPS_RETHROW(e)
}
}
/***********************************************/
void GnssClockRinex2InstrumentClock::readFile(const FileName &fileName, std::vector<std::string> identifier, std::vector<std::vector<Time>> ×, std::vector<std::vector<Double>> &clock) const
{
try
{
InFile file(fileName);
// read header
Double fileVersion = 2.;
std::string line;
while(std::getline(file, line))
{
if(line.find("RINEX VERSION / TYPE") != std::string::npos)
fileVersion = String::toDouble(line.substr(0,20));
if(line.find("END OF HEADER") != std::string::npos)
break;
}
for(auto &&id : identifier)
std::transform(id.begin(), id.end(), id.begin(), ::toupper);
// read data
// ---------
UInt v3Offset = (fileVersion >= 3.04 ? 5 : 0);
while(std::getline(file, line))
{
std::string lineID = line.substr(0,7+v3Offset);
lineID.erase(std::find_if(lineID.rbegin(), lineID.rend(), [](auto c){return !std::isspace(c);}).base(), lineID.end()); // right trim spaces
std::transform(lineID.begin(), lineID.end(), lineID.begin(), ::toupper);
auto iter = std::find_if(identifier.begin(), identifier.end(), [lineID](std::string id)
{
return (lineID=="AS "+id || lineID=="AR "+id); }
);
if(iter != identifier.end())
{
UInt year = String::toInt(line.substr(v3Offset+8, 4));
UInt month = String::toInt(line.substr(v3Offset+13, 2));
UInt day = String::toInt(line.substr(v3Offset+16, 2));
UInt hour = String::toInt(line.substr(v3Offset+19, 2));
UInt min = String::toInt(line.substr(v3Offset+22, 2));
Double sec = String::toDouble(line.substr(v3Offset+24, 10));
Double clk = String::toDouble(line.substr(v3Offset+40, 19));
Time time = date2time(year,month,day,hour,min,sec);
UInt idx = static_cast<UInt>(std::distance(identifier.begin(), iter));
if(times.at(idx).size() && (time<times.at(idx).back()))
throw(Exception("epochs not in increasing order"));
if((times.at(idx).size()==0) || (time>times.at(idx).back()))
{
times.at(idx).push_back(time);
clock.at(idx).push_back(clk);
}
}
} // for(;;)
}
catch(std::exception &e)
{
GROOPS_RETHROW(e)
}
}
/***********************************************/
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