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/***********************************************/
/**
* @file noiseTimeSeries.cpp
*
* @brief Generate one or more time series of noise.
*
* @author Matthias Ellmer
* @date 2015-11-03
*/
/***********************************************/
// Latex documentation
#define DOCSTRING docstring
static const char *docstring = R"(
This program generates \configFile{outputfileNoise}{instrument} with the requested characteristics.
See \configClass{noiseGenerator}{noiseGeneratorType} for details on noise options.
)";
/***********************************************/
#include "programs/program.h"
#include "files/fileInstrument.h"
#include "files/fileMatrix.h"
#include "classes/noiseGenerator/noiseGenerator.h"
#include "classes/timeSeries/timeSeries.h"
/***** CLASS ***********************************/
/** @brief Generate one or more time series of noise.
* @ingroup programsGroup */
class NoiseTimeSeries
{
public:
void run(Config &config, Parallel::CommunicatorPtr comm);
};
GROOPS_REGISTER_PROGRAM(NoiseTimeSeries, SINGLEPROCESS, "generate random noise", Simulation, Noise, TimeSeries)
/***********************************************/
void NoiseTimeSeries::run(Config &config, Parallel::CommunicatorPtr /*comm*/)
{
try
{
FileName outNameNoise, outNameCovariance;
NoiseGeneratorPtr noiseGenerator;
TimeSeriesPtr timeSeries;
UInt series;
readConfig(config, "outputfileNoise", outNameNoise, Config::MUSTSET, "", "");
readConfig(config, "outputfileCovarianceFunction", outNameCovariance, Config::OPTIONAL, "", "");
readConfig(config, "noise", noiseGenerator, Config::MUSTSET, "", "");
readConfig(config, "timeSeries", timeSeries, Config::MUSTSET, "", "");
readConfig(config, "columns", series, Config::MUSTSET, "1", "number of noise series (columns)");
if(isCreateSchema(config)) return;
// Set up time series
std::vector<Time> times = timeSeries->times();
logStatus<<"generating noise"<<Log::endl;
Matrix noise(times.size(), 1+series);
copy(noiseGenerator->noise(noise.rows(), series), noise.column(1, series));
logStatus<<"writing noise to file <"<< outNameNoise <<">"<<Log::endl;
InstrumentFile::write(outNameNoise, Arc(times, noise));
if(!outNameCovariance.empty())
{
logStatus<<"writing covariance function to file <"<< outNameCovariance <<">"<<Log::endl;
writeFileMatrix(outNameCovariance, noiseGenerator->covarianceFunction(times.size(), medianSampling(times).seconds()));
}
}
catch(std::exception &e)
{
GROOPS_RETHROW(e)
}
}
/***********************************************/
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