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/***********************************************/
/**
* @file cosmic2OrbitStar.cpp
*
* @brief read cosmic orbit star camera data.
*
* @author Norbert Zehentner
* @date 2014-07-28
*
*/
/***********************************************/
// Latex documentation
#define DOCSTRING docstring
static const char *docstring = R"(
This program reads in cosmic orbit and star camera data given in the CHAMP format.
In case of cosmic orbit and star camera data is stored in one file.
A description of the format can be found under: \url{http://op.gfz-potsdam.de/champ/docs_CHAMP/CH-GFZ-FD-001.pdf}
)";
/***********************************************/
#include "programs/program.h"
#include "base/string.h"
#include "files/fileInstrument.h"
/***** CLASS ***********************************/
/** @brief read cosmic orbit and star camera data.
* @ingroup programsConversionGroup */
class Cosmic2OrbitStar
{
void readFileCosmic(const FileName &fileName, StarCameraArc &starArc, OrbitArc &orbArc);
public:
void run(Config &config, Parallel::CommunicatorPtr comm);
};
GROOPS_REGISTER_PROGRAM(Cosmic2OrbitStar, SINGLEPROCESS, "read COSMIC orbit and star camera data", Conversion, Orbit, Instrument)
/***********************************************/
void Cosmic2OrbitStar::run(Config &config, Parallel::CommunicatorPtr /*comm*/)
{
try
{
FileName outNameOrb;
FileName outNameStar;
std::vector<FileName> fileName;
readConfig(config, "outputfileOrbit", outNameOrb, Config::MUSTSET, "", "");
readConfig(config, "outputfileStarCamera", outNameStar, Config::MUSTSET, "", "");
readConfig(config, "inputfile", fileName, Config::MUSTSET, "", "");
if(isCreateSchema(config)) return;
logStatus<<"read input files"<<Log::endl;
OrbitArc orbArc;
StarCameraArc starArc;
for(UInt i=0; i<fileName.size(); i++)
{
logStatus<<"read file <"<<fileName.at(i)<<">"<<Log::endl;
readFileCosmic(fileName.at(i), starArc, orbArc);
}
// Daten speichern
// ---------------
logStatus<<"write orbit to file <"<<outNameOrb<<">"<<Log::endl;
std::list<Arc> arcList3; arcList3.push_back(orbArc);
InstrumentFile::write(outNameOrb, arcList3);
logStatus<<"write star camera data to file <"<<outNameStar<<">"<<Log::endl;
std::list<Arc> arcList2; arcList2.push_back(starArc);
InstrumentFile::write(outNameStar, arcList2);
}
catch(std::exception &e)
{
GROOPS_RETHROW(e)
}
}
/***********************************************/
void Cosmic2OrbitStar::readFileCosmic(const FileName &fileName, StarCameraArc &starArc, OrbitArc &orbArc)
{
try
{
OrbitEpoch orbEpoch;
StarCameraEpoch starEpoch;
Bool attFlag = FALSE;
Bool orbFlag = FALSE;
std::ifstream file(fileName.c_str());
if(!file.good())
{
logWarning<<"cannot open file: "<<fileName.str()<<", continue..."<<Log::endl;
return;
}
file.exceptions(std::ios::badbit|std::ios::failbit);
//Daten einlesen, Headerzeilen werden hier direkt behandelt
for(;;)
{
std::string line;
try
{
getline(file, line);
}
catch(std::exception &/*e*/)
{
//logWarning<<std::endl<<e.what()<<" continue..."<<Log::endl;
break;
}
if(line.empty())
break;
std::string lineID1 = line.substr(0,3);
if(lineID1 == "tim")
{
// vorherige Epoche Korrekturen anbringen falls vorhanden und anschließen zurückgeben
if(attFlag)
{
if(starArc.size() && (starEpoch.time <= starArc.at(starArc.size()-1).time))
{
logWarning<<"(starEpoch.time <= starArc.at(starArc.size()-1).time)"<<Log::endl;
continue;
}
starArc.push_back(starEpoch);
}
if(orbFlag)
{
if(orbArc.size() && (orbEpoch.time <= orbArc.at(orbArc.size()-1).time))
{
logWarning<<"(orbEpoch.time <= orbArc.at(orbArc.size()-1).time)"<<Log::endl;
continue;
}
orbArc.push_back(orbEpoch);
}
// Flags für Korrekturen setzen, da diese nicht in allen epochen vorhanden sind
orbFlag = FALSE;
attFlag = FALSE;
// epoch time der neuen Epoche einlesen
UInt year, month, day, hour, minute;
Double second;
year = String::toInt(line.substr(4, 4));
month = String::toInt(line.substr(9, 2));
day = String::toInt(line.substr(12, 2));
hour = String::toInt(line.substr(15, 2));
minute = String::toInt(line.substr(18, 2));
second = String::toDouble(line.substr(21, 10));
orbEpoch.time = date2time(year, month, day, hour, minute, second);
starEpoch.time = date2time(year, month, day, hour, minute, second);
}
else if(lineID1 == "pvi") // orbit position and velocity
{
if(line.find("nan")==std::string::npos)
{
orbEpoch.position.x() = String::toDouble(line.substr(3, 14)) *1000; // km => m
orbEpoch.position.y() = String::toDouble(line.substr(17, 14)) *1000; // km => m
orbEpoch.position.z() = String::toDouble(line.substr(31, 14)) *1000; // km => m
orbEpoch.velocity.x() = String::toDouble(line.substr(45, 14)) *1000; // km => m
orbEpoch.velocity.y() = String::toDouble(line.substr(59, 14)) *1000; // km => m
orbEpoch.velocity.z() = String::toDouble(line.substr(73, 14)) *1000; // km => m
if(orbEpoch.position.r()<DEFAULT_R)
{
// logWarning<<"strange position = "<<orbEpoch.position.r()<<Log::endl;
continue;
}
orbFlag = TRUE;
}
}
else if(lineID1 == "att") // Attitude einlesen (als Quaternionen gegeben) Reihenfolge: Vektorkomponenten 1,2,3 unnd sklare Komponente
{
if(line.find("nan")==std::string::npos)
{
Vector q(4);
q(1) = String::toDouble(line.substr(8, 14));
q(2) = String::toDouble(line.substr(22, 14));
q(3) = String::toDouble(line.substr(36, 14));
q(0) = String::toDouble(line.substr(50, 14));
if(fabs(norm(q)-1)>1e-5)
{
// logWarning<<"strange norm = "<<norm(q)<<Log::endl;
continue;
}
attFlag = TRUE;
starEpoch.rotary = Rotary3d(q);
}
}
} //for(UInt i=0; ; i++) Schleife über die zeilen des Files
}
catch(std::exception &e)
{
GROOPS_RETHROW(e)
}
}
/***********************************************/
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