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/***********************************************/
/**
* @file sentinel2orbit.cpp
*
* @brief Read Sentinel orbits from XML format.
*
* @author Barbara Suesser-Rechberger
* @date 2019-11-25
*
*/
/***********************************************/
// Latex documentation
#define DOCSTRING docstring
static const char *docstring = R"(
Read Sentinel orbits from XML format.
)";
/***********************************************/
#include "programs/program.h"
#include "parser/xml.h"
#include "files/fileInstrument.h"
#include "classes/earthRotation/earthRotation.h"
/***** CLASS ***********************************/
/** @brief Read XML Sentinel Data.
* @ingroup programsConversionGroup */
class SentinelXml2Orbit
{
public:
void run(Config &config, Parallel::CommunicatorPtr comm);
};
GROOPS_REGISTER_PROGRAM(SentinelXml2Orbit, SINGLEPROCESS, "read XML Sentinel Data", Conversion, Orbit, Instrument)
/***********************************************/
void SentinelXml2Orbit::run(Config &config, Parallel::CommunicatorPtr /*comm*/)
{
try
{
FileName fileNameOrbit;
std::vector<FileName> fileNamesIn;
EarthRotationPtr earthRotation;
readConfig(config, "outputfileOrbit", fileNameOrbit, Config::MUSTSET, "", "");
readConfig(config, "earthRotation", earthRotation, Config::MUSTSET, "", "");
readConfig(config, "inputfile", fileNamesIn, Config::MUSTSET, "", "");
if(isCreateSchema(config)) return;
logStatus<<"read input files"<<Log::endl;
OrbitArc orbit;
for(const auto &fileName : fileNamesIn)
{
try
{
logStatus<<"read file <"<<fileName<<">"<<Log::endl;
InFile file(fileName);
XmlNodePtr rootNode = XmlNode::read(file);
XmlNodePtr dataNode = getChild(rootNode, "Data_Block", TRUE);
XmlNodePtr osvListNode = getChild(dataNode, "List_of_OSVs", TRUE);
const UInt epochCount = childCount(osvListNode, "OSV", TRUE);
for(UInt i=0; i<epochCount; i++)
{
XmlNodePtr epochNode = getChild(osvListNode, "OSV", TRUE);
// Read UTC string and convert it into modified julian date and then into GPS time
std::string timeUTC;
Char tmp;
UInt year, month, day, hour, minute;
Double second;
readXml(epochNode, "UTC", timeUTC, TRUE);
std::stringstream ss(timeUTC.substr(4));
ss>>year>>tmp>>month>>tmp>>day>>tmp>>hour>>tmp>>minute>>tmp>>second;
OrbitEpoch epoch;
epoch.time = timeUTC2GPS(date2time(year, month, day, hour, minute, second));
// position coordinates
readXml(epochNode, "X", epoch.position.x(), TRUE);
readXml(epochNode, "Y", epoch.position.y(), TRUE);
readXml(epochNode, "Z", epoch.position.z(), TRUE);
// Velocity coordinates
readXml(epochNode, "VX", epoch.velocity.x(), TRUE);
readXml(epochNode, "VY", epoch.velocity.y(), TRUE);
readXml(epochNode, "VZ", epoch.velocity.z(), TRUE);
orbit.push_back(epoch);
}
}
catch(std::exception &e)
{
logError<<e.what()<<": continue..."<<Log::endl;
}
}
// Rotation TRF -> CRF
// -------------------
if(earthRotation)
{
logStatus<<"rotation from TRF to CRF"<<Log::endl;
Single::forEach(orbit.size(), [&](UInt i)
{
const Rotary3d rotation = inverse(earthRotation->rotaryMatrix(orbit.at(i).time));
orbit.at(i).position = rotation.rotate(orbit.at(i).position);
if(orbit.at(i).velocity.r() > 0)
orbit.at(i).velocity = rotation.rotate(orbit.at(i).velocity) + crossProduct(earthRotation->rotaryAxis(orbit.at(i).time), orbit.at(i).position);
});
}
if(!fileNameOrbit.empty())
{
logInfo<<"write data to <"<<fileNameOrbit<<">"<<Log::endl;
InstrumentFile::write(fileNameOrbit, orbit);
Arc::printStatistics(orbit);
}
}
catch (std::exception &e)
{
GROOPS_RETHROW(e)
}
}
/***********************************************/
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