Tutorial ReentryEstimation

import java.io.IOException;
import java.text.ParseException;
import java.util.List;
import java.util.SortedSet;

import fr.cnes.dynvol.opera.configuration.OperaConfigurationProperties;
import fr.cnes.dynvol.opera.model.OperaReentryResult;
import fr.cnes.dynvol.opera.model.OperaSolarActivityRow;
import fr.cnes.dynvol.opera.model.OperaTLE;
import fr.cnes.dynvol.opera.simulation.OperaDurationException;
import fr.cnes.dynvol.opera.simulation.OperaException;
import fr.cnes.dynvol.opera.simulation.OperaInitialProcessException;
import fr.cnes.dynvol.opera.simulation.OperaInterpolationException;
import fr.cnes.dynvol.opera.simulation.OperaMaxIterationException;
import fr.cnes.dynvol.opera.simulation.OperaOrbitDeterminationException;
import fr.cnes.dynvol.opera.simulation.OperaOutOfStudyRegionException;
import fr.cnes.dynvol.opera.simulation.OperaReentrySimulation;
import fr.cnes.dynvol.opera.simulation.OperaStelaPropagationException;
import fr.cnes.dynvol.opera.util.OperaReadUtils;
import fr.cnes.dynvol.opera.util.OperaSolarActivity;
import fr.cnes.dynvol.opera.util.OperaTleManager;
import fr.cnes.sirius.patrius.propagation.analytical.tle.TLE;
import fr.cnes.sirius.patrius.utils.exception.PatriusException;

public class ReentryEstimation {

    public static void main(String[] args) throws IOException, PatriusException, OperaException,
        ParseException, OperaOrbitDeterminationException, OperaDurationException, OperaInterpolationException,
        OperaMaxIterationException, OperaStelaPropagationException, OperaOutOfStudyRegionException, OperaInitialProcessException {
        
        // Patrius Dataset initialization (needed for example to get the UTC time)
        OperaReadUtils.iniPatriusDataset(null);
        
        // Opera properties configuration
        //final OperaConfigurationProperties conf = OperaConfigurationProperties.getConfigurationProperties("data/opera-configuration.properties");
        final OperaConfigurationProperties conf = OperaReadUtils.getConfigurationProperties("data/opera-configuration.properties");
        
        // Solar activity initialization
        final String realPath = "data/solar/ACSOL_REAL.act";
        final String predPath = "data/solar/ACSOL_PREDICTED.act";
        final double switchCJD = 22700.0;                
        final List<OperaSolarActivityRow> solarActivity = OperaSolarActivity.getSolarActivityFromFile(realPath, predPath, switchCJD);
        
        // TLEs initialization
        final int noradId = 10479;
        final SortedSet<TLE> tlesSet = OperaTleManager.readTLEs("data/tles", noradId, false, "txt");
        
        // TLEs selection
        final double historyDuration = 80.;
        final double endOfHistoryCJD = 22605.0;                
        final List<OperaTLE> tles = OperaTleManager.selectTLEs(tlesSet, endOfHistoryCJD, historyDuration);

        // Reentry estimation computation
        final OperaReentrySimulation simulation = new OperaReentrySimulation(conf, solarActivity);
        final OperaReentryResult result = simulation.estimateReentry(tles);
        System.out.println("Reentry date with " + historyDuration +" days interval: "+result.getReentryDate());
        System.out.println("Error estimation: " + result.getErrorEstimationDays() + "days");
        System.out.println("Estimated S/M: " + result.getSmDragRefined() + "m2/kg");
            
    }
 
}