Examples of PointObsDatatype

ucar.nc2.dt.PointObsDatatype
A collection of observations at one time and location. @author caron

Examples of ucar.nc2.dt.PointObsDatatype

    DataOutputStream out = new DataOutputStream(fos);
    WriterCFPointDataset writer = null;


    DataIterator iter = pobsDataset.getDataIterator(1000 * 1000);
    while (iter.hasNext()) {
      PointObsDatatype pobsData = (PointObsDatatype) iter.nextData();
      StructureData sdata = pobsData.getData();
      if (writer == null) {
        ucar.unidata.geoloc.EarthLocation loc = pobsData.getLocation();
        String altUnits = Double.isNaN(loc.getAltitude()) ? null : "meters";
        writer = new WriterCFPointDataset(out, ncfile.getGlobalAttributes(), altUnits);
        writer.writeHeader(pobsDataset.getDataVariables(), -1);
      }
      writer.writeRecord(pobsData, sdata);

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Examples of ucar.nc2.dt.PointObsDatatype


    // see if we have an altitude
    String altUnits = null;
    DataIterator iterOne = pobsDataset.getDataIterator(-1);
    while (iterOne.hasNext()) {
      PointObsDatatype pobsData = (PointObsDatatype) iterOne.nextData();
      ucar.unidata.geoloc.EarthLocation loc = pobsData.getLocation();
      altUnits = Double.isNaN(loc.getAltitude()) ? null : "meters";
      break;
    }


    List<VariableSimpleIF> vars = pobsDataset.getDataVariables();
    List<PointObVar> nvars = new ArrayList<PointObVar>(vars.size());


    // put vars in order
    for (VariableSimpleIF v : vars) {
      if (v.getDataType().isNumeric())
        nvars.add(new PointObVar(v));
    }
    int ndoubles = vars.size();
    double[] dvals = new double[ndoubles];


    for (VariableSimpleIF v : vars) {
      if (v.getDataType().isString())
        nvars.add(new PointObVar(v));
    }
    String[] svals = new String[vars.size() - ndoubles];


    FileOutputStream fos = new FileOutputStream(fileOut);
    DataOutputStream out = new DataOutputStream(fos);
    CFPointObWriter writer = new CFPointObWriter(out, pobsDataset.getGlobalAttributes(), altUnits, nvars, -1);


    DataIterator iter = pobsDataset.getDataIterator(1000 * 1000);
    while (iter.hasNext()) {
      PointObsDatatype pobsData = (PointObsDatatype) iter.nextData();
      StructureData sdata = pobsData.getData();


      int dcount = 0;
      int scount = 0;
      for (PointObVar v : nvars) {
        if (v.getDataType().isNumeric()) {
          Array data = sdata.getArray(v.getName());
          data.resetLocalIterator();
          if (data.hasNext())
            dvals[dcount++] = data.nextDouble();


        } else if (v.getDataType().isString()) {
          ArrayChar data = (ArrayChar) sdata.getArray(v.getName());
          svals[scount++] = data.getString();
        }
      }


      ucar.unidata.geoloc.EarthLocation loc = pobsData.getLocation();
      writer.addPoint(loc.getLatitude(), loc.getLongitude(), loc.getAltitude(), pobsData.getObservationTimeAsDate(),
          dvals, svals);
    }


    writer.finish();
  }

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Examples of ucar.nc2.dt.PointObsDatatype

                && doubleWithinEpsilon( ((Float) trajDsInfo.getExampleVarEndVal()).doubleValue(), ((Float) exampleVarEndVal).doubleValue(), 0.0001 ) );
//    assertTrue( "Variables' first two values <" + windSpd[0] + "," + windSpd[1] + "> not as expected <" + varVals[0] + "," + varVals[1] + ">.",
//                windSpd[0] == varVals[0] && windSpd[1] == varVals[1] );


    // Test with getPointObsData()
    PointObsDatatype pointOb;
    try
    {
      pointOb = (PointObsDatatype) traj1.getPointObsData( 0 );
    }
    catch ( IOException e )
    {
      assertTrue( "IOException on call to getPointObsData(0): " + e.getMessage(),
                  false);
      return;
    }
    assertTrue( "Start time (getPointObsData) <" + pointOb.getNominalTimeAsDate().getTime() + "> not as expected <" + trajDsInfo.getStartDateLong() + ">.",
                pointOb.getNominalTimeAsDate().getTime() == trajDsInfo.getStartDateLong() );
    assertTrue( "Start lat (getPointObsData) <" + pointOb.getLocation().getLatitude() + "> not as expected <" + trajDsInfo.getExampleTrajStartLat() + ">.",
                doubleWithinEpsilon( pointOb.getLocation().getLatitude(), trajDsInfo.getExampleTrajStartLat(), 0.0001 ) );
    assertTrue( "Start lon (getPointObsData) <" + pointOb.getLocation().getLongitude() + "> not as expected <" + trajDsInfo.getExampleTrajStartLon() + ">.",
                doubleWithinEpsilon( pointOb.getLocation().getLongitude(), trajDsInfo.getExampleTrajStartLon(), 0.0001 ) );
    assertTrue( "Start alt (getPointObsData) <" + pointOb.getLocation().getAltitude() + "> not as expected <" + trajDsInfo.getExampleTrajStartElev() + ">.",
                doubleWithinEpsilon( pointOb.getLocation().getAltitude(), trajDsInfo.getExampleTrajStartElev(), 0.0001 ) );


    // Test with
    StructureData sdata;
    try
    {
      sdata = traj1.getData( 0);
    }
    catch ( IOException e )
    {
      assertTrue( "IOException on getData(0): " + e.getMessage(),
                  false);
      return;
    }
    catch ( InvalidRangeException e )
    {
      assertTrue( "InvalidRangeException on getData(0): " + e.getMessage(),
                  false );
      return;
    }
    assertTrue( "Null StructureData from getData(0).",
                sdata != null);


    // Test with getDataIterator()
    DataIterator it;
    try
    {
      it = traj1.getDataIterator( 0);
    }
    catch ( IOException e )
    {
      assertTrue( "IOException on call to trajectory.getDataIterator(): " + e.getMessage(),
                  false);
      return;
    }
    if ( it == null)
    {
      System.out.println( "Null trajectory iterator, skipping iterator tests." );
      return;
    }


    if ( ! it.hasNext() )
    {
      assertTrue( "First call to Iterator.hasNext() returned false.",
                  false );
      return;
    }
    pointOb = (PointObsDatatype) it.nextData();
    assertTrue( "Start time (iterator) <" + pointOb.getNominalTimeAsDate().getTime() + "> not as expected <" + trajDsInfo.getStartDateLong() + ">.",
                pointOb.getNominalTimeAsDate().getTime() == trajDsInfo.getStartDateLong() );
    assertTrue( "Start lat (iterator) <" + pointOb.getLocation().getLatitude() + "> not as expected <" + trajDsInfo.getExampleTrajStartLat() + ">.",
                doubleWithinEpsilon( pointOb.getLocation().getLatitude(), trajDsInfo.getExampleTrajStartLat(), 0.0001 ) );
    assertTrue( "Start lon (iterator) <" + pointOb.getLocation().getLongitude() + "> not as expected <" + trajDsInfo.getExampleTrajStartLon() + ">.",
                doubleWithinEpsilon( pointOb.getLocation().getLongitude(), trajDsInfo.getExampleTrajStartLon(), 0.0001 ) );
    assertTrue( "Start alt (iterator) <" + pointOb.getLocation().getAltitude() + "> not as expected <" + trajDsInfo.getExampleTrajStartElev() + ">.",
                doubleWithinEpsilon( pointOb.getLocation().getAltitude(), trajDsInfo.getExampleTrajStartElev(), 0.0001 ) );
  }

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Examples of ucar.nc2.dt.PointObsDatatype


    TrajectoryObsDatatype traj = me.getTrajectory( exampleTrajId);


    // Test that "alt" units gets changed to "meters"
    // ... from getPointObsData(0)
    PointObsDatatype pointOb;
    try
    {
      pointOb = (PointObsDatatype) traj.getPointObsData( 0 );
    }
    catch ( IOException e )
    {
      assertTrue( "IOException on call to getPointObsData(0): " + e.getMessage(),
                  false );
      return;
    }
    StructureData sdata;
    try
    {
      sdata = pointOb.getData();
    }
    catch ( IOException e )
    {
      assertTrue( "IOException on getData(): " + e.getMessage(),
                  false);

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