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/***********************************************/
/**
* @file potentialCoefficients2Icgem.cpp
*
* @brief Write spherical harmonics in ICGEM format.
*
* @author Torsten Mayer-Guerr
* @author Andreas Kvas
* @date 2005-01-19
*
*/
/***********************************************/
// Latex documentation
#define DOCSTRING docstring
static const char *docstring = R"(
Write spherical harmonics in ICGEM format.
GROOPS uses this format as default but this program enables
the possibility to include comments and set the modelname.
)";
/***********************************************/
#include "programs/program.h"
#include "inputOutput/file.h"
#include "files/fileSphericalHarmonics.h"
/***** CLASS ***********************************/
/** @brief Write spherical harmonics in ICGEM format.
* @ingroup programsConversionGroup */
class PotentialCoefficients2Icgem
{
public:
void run(Config &config, Parallel::CommunicatorPtr comm);
class Oscillation
{
public:
FileName fileNameCos, fileNameSin;
std::string period;
SphericalHarmonics harmCos, harmSin;
};
};
GROOPS_REGISTER_PROGRAM(PotentialCoefficients2Icgem, SINGLEPROCESS, "write spherical harmonics in ICGEM format", Conversion, PotentialCoefficients)
/***********************************************/
template<> Bool readConfig(Config &config, const std::string &name, PotentialCoefficients2Icgem::Oscillation &var, Config::Appearance mustSet, const std::string &defaultValue, const std::string &annotation)
{
try
{
if(!readConfigSequence(config, name, mustSet, defaultValue, annotation))
return FALSE;
readConfig(config, "inputfileCosPotentialCoefficients", var.fileNameCos, Config::MUSTSET, "", "");
readConfig(config, "inputfileSinPotentialCoefficients", var.fileNameSin, Config::MUSTSET, "", "");
readConfig(config, "period", var.period, Config::MUSTSET, "1.0", "period of oscillation [year]");
endSequence(config);
return TRUE;
}
catch(std::exception &e)
{
GROOPS_RETHROW(e)
}
}
/***********************************************/
void PotentialCoefficients2Icgem::run(Config &config, Parallel::CommunicatorPtr /*comm*/)
{
try
{
FileName fileNameOut;
FileName fileNameStatic, fileNameTrend;
FileName fileNameComments;
std::string modelname;
std::vector<std::string> comment;
std::vector<Oscillation> oscillation;
std::string choice;
std::string tides;
UInt minDegree, maxDegree = INFINITYDEGREE;
Double GM, R;
Time time;
readConfig(config, "outputfile", fileNameOut, Config::MUSTSET, "", "");
readConfig(config, "inputfilePotentialCoefficients", fileNameStatic, Config::MUSTSET, "", "");
readConfig(config, "inputfileTrend", fileNameTrend, Config::OPTIONAL, "", "");
readConfig(config, "oscillation", oscillation, Config::OPTIONAL, "", "");
readConfig(config, "comment", comment, Config::OPTIONAL, "", "comment in header");
readConfig(config, "inputfileComment", fileNameComments, Config::OPTIONAL, "", "file containing comments for header");
readConfig(config, "modelname", modelname, Config::MUSTSET, "", "name of the model");
if(readConfigChoice(config, "tideSystem", choice, Config::OPTIONAL, "", "tide system of model"))
{
if(readConfigChoiceElement(config, "zero_tide", choice)) tides = "zero_tide";
if(readConfigChoiceElement(config, "tide_free", choice)) tides = "tide_free";
endChoice(config);
}
readConfig(config, "minDegree", minDegree, Config::DEFAULT, "0", "");
readConfig(config, "maxDegree", maxDegree, Config::OPTIONAL, "", "");
readConfig(config, "GM", GM, Config::DEFAULT, STRING_DEFAULT_GM, "Geocentric gravitational constant");
readConfig(config, "R", R, Config::DEFAULT, STRING_DEFAULT_R, "reference radius");
readConfig(config, "time", time, Config::OPTIONAL, "", "reference time");
if(isCreateSchema(config)) return;
// read potential coefficients
// ---------------------------
logStatus<<"read potential coefficients from file <"<<fileNameStatic<<">"<<Log::endl;
SphericalHarmonics harm;
readFileSphericalHarmonics(fileNameStatic, harm);
harm = harm.get(maxDegree, minDegree, GM, R);
SphericalHarmonics harmTrend;
if(!fileNameTrend.empty())
{
logStatus<<"read potential coefficients from file <"<<fileNameTrend<<">"<<Log::endl;
readFileSphericalHarmonics(fileNameTrend, harmTrend);
}
harmTrend = harmTrend.get(harm.maxDegree(), minDegree, GM, R);
for(UInt i=0; i<oscillation.size(); i++)
{
logStatus<<"read potential coefficients from file <"<<oscillation.at(i).fileNameCos<<">"<<Log::endl;
readFileSphericalHarmonics(oscillation.at(i).fileNameCos, oscillation.at(i).harmCos);
oscillation.at(i).harmCos = oscillation.at(i).harmCos.get(harm.maxDegree(), minDegree, GM, R);
logStatus<<"read potential coefficients from file <"<<oscillation.at(i).fileNameSin<<">"<<Log::endl;
readFileSphericalHarmonics(oscillation.at(i).fileNameSin, oscillation.at(i).harmSin);
oscillation.at(i).harmSin = oscillation.at(i).harmSin.get(harm.maxDegree(), minDegree, GM, R);
}
const Bool hasSigmas = (harm.sigma2cnm().size()) && ((quadsum(harm.sigma2cnm())+quadsum(harm.sigma2snm())) != 0);
// description of data section
// ---------------------------
std::stringstream ssHeader;
ssHeader<<"key L M C S ";
if(hasSigmas)
ssHeader<<" sigma C sigma S ";
if((!fileNameTrend.empty()) || oscillation.size())
ssHeader<<" t0 [yyyymmdd]";
if(oscillation.size())
ssHeader<<"/period [y]";
// Potentialkoeffizienten speichern
// --------------------------------
logStatus<<"writing potential coefficients to file <"<<fileNameOut<<">"<<Log::endl;
OutFile file(fileNameOut);
for(UInt i=0; i<comment.size(); i++)
file<<comment.at(i)<<std::endl;
if(!fileNameComments.empty())
{
InFile commentFile(fileNameComments);
std::string line;
while(std::getline(commentFile, line))
file<<line<<std::endl;
}
if(comment.size() || !fileNameComments.empty())
file<<std::endl;
file<<"begin_of_head "<<std::string(ssHeader.str().size()-14, '=')<<std::endl<<std::endl;
file<<"modelname "<<modelname<<std::endl;
file<<"product_type gravity_field"<<std::endl;
file<<"earth_gravity_constant "<<harm.GM()%"%16.10e"s<<std::endl;
file<<"radius "<<harm.R() %"%16.10e"s<<std::endl;
file<<"max_degree "<<harm.maxDegree()<<std::endl;
file<<"norm fully_normalized"<<std::endl;
if(!tides.empty())
file<<"tide_system "<<tides<<std::endl;
file<<"errors "<<((hasSigmas) ? "formal" : "no")<<std::endl;
file<<std::endl;
// end_of_head
file<<ssHeader.str()<<std::endl;
file<<"end_of_head "<<std::string(ssHeader.str().size()-12, '=')<<std::endl;
std::string fdouble = "%20.12e";
std::string fint = "%5i";
// data section
// ------------
for(UInt n=0; n<=harm.maxDegree(); n++)
for(UInt m=0; m<=n; m++)
{
Bool hasTemporal = ((harmTrend.cnm()(n,m)!= 0.) || (harmTrend.snm()(n,m)!= 0.));
for(UInt i=0; i<oscillation.size(); i++)
{
hasTemporal = hasTemporal || (oscillation.at(i).harmCos.cnm()(n,m)!= 0.) || (oscillation.at(i).harmCos.snm()(n,m)!= 0.);
hasTemporal = hasTemporal || (oscillation.at(i).harmSin.cnm()(n,m)!= 0.) || (oscillation.at(i).harmSin.snm()(n,m)!= 0.);
}
// static coefficients
file<<((hasTemporal) ? "gfct" : "gfc ");
file<<n%fint<<m%fint;
file<<harm.cnm()(n,m)%fdouble<<harm.snm()(n,m)%fdouble;
if(hasSigmas)
file<<sqrt(harm.sigma2cnm()(n,m))%fdouble<<sqrt(harm.sigma2snm()(n,m))%fdouble;
if(hasTemporal)
file<<" "<<time%"%y%m%d"s;
file<<std::endl;
// trend
if((harmTrend.cnm()(n,m)!= 0.) || (harmTrend.snm()(n,m)!= 0.))
{
file<<"trnd"<<n%fint<<m%fint;
file<<harmTrend.cnm()(n,m)%fdouble<<harmTrend.snm()(n,m)%fdouble;
if(hasSigmas)
file<<sqrt(harmTrend.sigma2cnm()(n,m))%fdouble<<sqrt(harmTrend.sigma2snm()(n,m))%fdouble;
file<<std::endl;
}
// oscillations
for(UInt i=0; i<oscillation.size(); i++)
if((oscillation.at(i).harmCos.cnm()(n,m)!= 0.) ||
(oscillation.at(i).harmCos.snm()(n,m)!= 0.) ||
(oscillation.at(i).harmSin.cnm()(n,m)!= 0.) ||
(oscillation.at(i).harmSin.snm()(n,m)!= 0.))
{
file<<"acos"<<n%fint<<m%fint;
file<<oscillation.at(i).harmCos.cnm()(n,m)%fdouble<<oscillation.at(i).harmCos.snm()(n,m)%fdouble;
if(hasSigmas)
file<<sqrt(oscillation.at(i).harmCos.sigma2cnm()(n,m))%fdouble<<sqrt(oscillation.at(i).harmCos.sigma2snm()(n,m))%fdouble;
file<<" "<<oscillation.at(i).period<<std::endl;
file<<"asin"<<n%fint<<m%fint;
file<<oscillation.at(i).harmSin.cnm()(n,m)%fdouble<<oscillation.at(i).harmSin.snm()(n,m)%fdouble;
if(hasSigmas)
file<<sqrt(oscillation.at(i).harmSin.sigma2cnm()(n,m))%fdouble<<sqrt(oscillation.at(i).harmSin.sigma2snm()(n,m))%fdouble;
file<<" "<<oscillation.at(i).period<<std::endl;
}
} // for(n,m)
}
catch(std::exception &e)
{
GROOPS_RETHROW(e)
}
}
/***********************************************/
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