Examples of org.aavso.tools.vstar.data.ValidObservation

org.aavso.tools.vstar.data.ValidObservation

This class corresponds to a single valid variable star observation. Depending upon the source, some fields may be null. Some are not permitted to be null however and these are documented below.

For reference, here are the fields in the order they appear in the AAVSO download format:

JD(0), MAGNITUDE(1), UNCERTAINTY(2), HQ_UNCERTAINTY(3), BAND(4), OBSERVER_CODE(5), COMMENT_CODE(6), COMP_STAR_1(7), COMP_STAR_2(8), CHARTS(9), COMMENTS(10), TRANSFORMED(11), AIRMASS(12), VALFLAG(13), CMAG(14), KMAG(15), HJD(16), NAME(17), AFFILIATION(18), MTYPE(19), GROUP(20)

The simple format file has these fields:

JD MAGNITUDE [UNCERTAINTY] [OBSERVER_CODE] [VALFLAG]

When VStar was first developed, observation source plugins were not anticipated, but should have been. The additional details members permit other string-based information to be stored for an observation.

    List<ValidObservation> obs = commonValidTest(lines.toString(), "\t");


    assertTrue(obs.size() == 2);


    // A few checks.
    ValidObservation ob0 = obs.get(0);
    assertEquals(2454531.66261, ob0.getDateInfo().getJulianDay());
    assertEquals(SeriesType.Johnson_V, ob0.getBand());
    assertEquals("W UMA", ob0.getName());
  }

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    List<ValidObservation> obs = commonValidTest(lines.toString(), ",");


    assertTrue(obs.size() == 2);


    // A few checks.
    ValidObservation ob0 = obs.get(0);
    assertEquals(2454531.66261, ob0.getDateInfo().getJulianDay());
    assertEquals(SeriesType.Johnson_V, ob0.getBand());
    assertEquals("W UMA", ob0.getName());
  }

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      String delimiter) {
    List<ValidObservation> obs = commonValidTest(line, delimiter);


    assertTrue(obs.size() == 1);


    ValidObservation ob = obs.get(0);
    assertEquals(2450001.5, ob.getDateInfo().getJulianDay());
    assertEquals(10.0, ob.getMagnitude().getMagValue());
    assertFalse(ob.getMagnitude().isUncertain());
    assertFalse(ob.getMagnitude().isFainterThan());


    return ob;
  }

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  public TSPolynomialFitterTest(String name) {
    super(name);
    obs = new ArrayList<ValidObservation>();
    for (double[] jd_mag_pair : jd_and_mag) {
      ValidObservation ob = new ValidObservation();
      ob.setDateInfo(new DateInfo(jd_mag_pair[0]));
      ob.setMagnitude(new Magnitude(jd_mag_pair[1], 0));
      obs.add(ob);
    }
  }

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      List<ValidObservation> fitObs = fitter.getFit();
      assertEquals(polyfit_degree2.length, fitObs.size());


      for (int i = 0; i < fitObs.size(); i++) {
        ValidObservation ob = fitObs.get(i);


        assertEquals(String.format("%1.4f", polyfit_degree2[i][0]),
            String.format("%1.4f", ob.getJD()));


        assertEquals(String.format("%1.4f", polyfit_degree2[i][1]),
            String.format("%1.4f", ob.getMag()));
      }


      List<ValidObservation> residualObs = fitter.getResiduals();
      assertEquals(polyfit_residuals_degree2.length, residualObs.size());


      for (int i = 0; i < residualObs.size(); i++) {
        ValidObservation ob = residualObs.get(i);


        assertEquals(String.format("%1.4f",
            polyfit_residuals_degree2[i][0]), String.format(
            "%1.4f", ob.getJD()));


        assertEquals(String.format("%1.4f",
            polyfit_residuals_degree2[i][1]), String.format(
            "%1.4f", ob.getMag()));
      }
    } catch (AlgorithmError e) {
      fail();
    }
  }

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    assertTrue(mags.length == jds.length);
    
    List<ValidObservation> observations = new ArrayList<ValidObservation>();
    
    for (int i=0;i < mags.length;i++) {
      ValidObservation obs = new ValidObservation();
      obs.setMagnitude(new Magnitude(mags[i], MagnitudeModifier.NO_DELTA,
          false));
      obs.setDateInfo(new DateInfo(jds[i]));
      observations.add(obs);
    }


    return observations;
  }

View Full Code Here

  public void testMeanObservationSample3() {
    Bin bin = DescStats.createMeanObservationForRange(
        this.observations3, JDTimeElementEntity.instance, 0,
        mags3.length - 1);


    ValidObservation observation = bin.getMeanObservation();


    double magMean = observation.getMagnitude().getMagValue();
    String magMeanStr = String.format("%1.1f", magMean);
    assertEquals("4.0", magMeanStr);


    double magStdErr = observation.getMagnitude().getUncertainty();
    String magStdErrStr = String.format("%1.3f", magStdErr);
    assertEquals("0.038", magStdErrStr);
  }

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  // magnitude values and bogus JD values.
  private List<ValidObservation> populateObservations(double[] mags) {
    double jd = 0;
    List<ValidObservation> observations = new ArrayList<ValidObservation>();
    for (double mag : mags) {
      ValidObservation obs = new ValidObservation();
      obs.setMagnitude(new Magnitude(mag, MagnitudeModifier.NO_DELTA,
          false));
      obs.setDateInfo(new DateInfo(jd));
      observations.add(obs);
      jd += 0.5;
    }


    return observations;

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    assert times.length == mags.length;


    List<ValidObservation> observations = new ArrayList<ValidObservation>();


    for (int i = 0; i < times.length; i++) {
      ValidObservation obs = new ValidObservation();
      obs.setMagnitude(new Magnitude(mags[i], MagnitudeModifier.NO_DELTA,
          false));
      obs.setDateInfo(new DateInfo(times[i]));
      observations.add(obs);
    }


    return observations;
  }

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  public DataTestBase(String name, double[][] jdAndMagPairs) {
    super(name);
    this.obs = new ArrayList<ValidObservation>();
    for (double[] jdAndMag : jdAndMagPairs) {
      ValidObservation ob = new ValidObservation();
      ob.setDateInfo(new DateInfo(jdAndMag[0]));
      ob.setMagnitude(new Magnitude(jdAndMag[1], 0));
      obs.add(ob);
    }
  }

View Full Code Here

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Related Classes of org.aavso.tools.vstar.data.ValidObservation

org.aavso.tools.vstar.data.filter.ObservationFilter

org.aavso.tools.vstar.data.filter.ObservationFilterTest

org.aavso.tools.vstar.data.validation.AAVSODownloadFormatValidator

org.aavso.tools.vstar.data.validation.CommonTextFormatValidator

org.aavso.tools.vstar.data.validation.SimpleTextFormatValidator

org.aavso.tools.vstar.external.plugin.AAVSOUploadFileFormatObservationSource$AAVSOUploadFileFormatRetriever

org.aavso.tools.vstar.external.plugin.AAVSOUploadFileFormatObservationSourceTest

org.aavso.tools.vstar.external.plugin.AAVSOWebServiceObservationSource$AAVSOWebServiceObservationRetriever

org.aavso.tools.vstar.external.plugin.AoVPeriodSearch$AoVAlgorithm

org.aavso.tools.vstar.external.plugin.ApacheCommonsLowessFitter$LoessFitCreator

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