Examples of ucar.ma2.StructureData

ucar.ma2.StructureData
A container for a Structure's data. Is normally contained within an ArrayStructure, which is an Array of StructureData. This is the abstract supertype for all implementations.
```
 for (Iterator iter = sdata.getMembers().iterator(); iter.hasNext(); ) { StructureMembers.Member m = (StructureMembers.Member) iter.next(); Array sdataArray = sdata.getArray(m); ... } 
```
General ways to access data in an StructureData are:
```
 Array getArray(Member m) 
```
```
 Array getArray(String memberName) 
```
The following will return an object of type Byte, Char, Double, Float, Int, Long, Short, String, or Structure, depending upon the member type:
```
 Object getScalarObject( Member m) 
```
A number of convenience routines may be able to avoid extra Object creation, and so are recommended for efficiency. These require that you know the data types of the member data, but they are the most efficent:
```
 getScalarXXX(int recnum, Member m) getJavaArrayXXX(int recnum, Member m) 
```
where XXX is Byte, Char, Double, Float, Int, Long, Short, or String. For members that are themselves Structures, the equivilent is:
```
 StructureData getScalarStructure(int recnum, Member m) ArrayStructure getArrayStructure(int recnum, Member m) 
```
These will return any compatible type as a double or float, but may have extra overhead when the types dont match:
```
 convertScalarXXX(int recnum, Member m) convertJavaArrayXXX(int recnum, Member m) 
```
where XXX is Double or Float @author caron @see ArrayStructure


        profile.resetIteration();
        while (profile.hasNext()) {
          ucar.nc2.ft.PointFeature pointFeature = profile.next();
          System.out.printf("--pointFeature=%d %n", pointFeature.hashCode());
          StructureData sdata = pointFeature.getData();
          NCdumpW.printStructureData(pw, sdata);
        }
      }
    }
  }

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    DateUnit timeUnit = pobs.getTimeUnit();
    assert timeUnit.makeDate(pobs.getNominalTime()).equals(pobs.getNominalTimeAsDate());
    assert timeUnit.makeDate(pobs.getObservationTime()).equals(pobs.getObservationTimeAsDate());


    StructureData sdata = pobs.getData();
    assert null != sdata;
    checkData(sdata);
  }

View Full Code Here

  int countObs(PointFeatureCollection pfc) throws IOException {
    int count = 0;
    pfc.resetIteration();
    while (pfc.hasNext()) {
      PointFeature pf = pfc.next();
      StructureData sd = pf.getData();
      count++;
    }
    return count;
  }

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    int numObs = 0;
    while (dataIterator.hasNext()) {
      PointFeature po = (PointFeature) dataIterator.next();
      numObs++;
      ucar.unidata.geoloc.EarthLocation el = po.getLocation();
      StructureData structure = po.getData();
      assert llr.contains(el.getLatLon()) : el.getLatLon() + " not in " + llr;


      Date obsDate = po.getObservationTimeAsDate();
      assert dr.included(obsDate) : df.toDateTimeString(obsDate) + " not in " + dr;
      if (numObs % 1000 == 0)

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      int numObs = 0;
      while (dataIterator.hasNext()) {
        PointFeature po = (PointFeature) dataIterator.next();
        numObs++;
        ucar.unidata.geoloc.EarthLocation el = po.getLocation();
        StructureData structure = po.getData();
        assert llr.contains(el.getLatLon()) : el.getLatLon();
        assert dr.included(po.getNominalTimeAsDate());
        if (numObs % 1000 == 0)
          System.out.printf("%d el = %s %n", numObs, el);
      }

View Full Code Here

      StationTimeSeriesFeature sf = sfc.next();


      sf.resetIteration();
      while (sf.hasNext()) {
        PointFeature pf = sf.next();
        StructureData sdata = pf.getData();
        byte bval = sdata.getScalarByte("_isMissing");
        if (bval == 1) countMissing++;
        count++;
      }
    }

View Full Code Here


    // Read all data in point oriented manner.
    startDate = System.currentTimeMillis();
    for ( int i = 0; i < trajDt.getNumberPoints(); i++ )
    {
      StructureData structData = trajDt.getData( i );
    }
    endDate = System.currentTimeMillis();
    System.out.println( "Point-oriented read of record written data: " + ( ( endDate - startDate ) / 1000.0 ) + " seconds" );


    // Read all data in point oriented manner with iterator.
    startDate = System.currentTimeMillis();
    for ( DataIterator it = trajDt.getDataIterator( 0); it.hasNext(); )
    {
      PointObsDatatype pointOb = (PointObsDatatype) it.nextData();
    }
    endDate = System.currentTimeMillis();
    System.out.println( "Point-oriented iterator read of record written data: " + ( ( endDate - startDate ) / 1000.0 ) + " seconds" );


    //================ non-record written data ====================
    location = testFilePath + "/" + test_Raf_1_3_NoRecvar_FileName;
    assertTrue( "Test file <" + location + "> does not exist.",
                new File( location ).exists() );
    try
    {
      StringBuilder errlog = new StringBuilder();
      me = (TrajectoryObsDataset) TypedDatasetFactory.open(FeatureType.TRAJECTORY, location, null, errlog);
    }
    catch ( IOException e )
    {
      String tmpMsg = "Couldn't create TrajectoryObsDataset from RAF aircraft file <" + location + ">: " + e.getMessage();
      assertTrue( tmpMsg,
                  false );
    }
    assertTrue( "Null TrajectoryObsDataset after open <" + location + "> ",
                me != null );
    assertTrue( "Dataset <" + location + "> not a RafTrajectoryObsDataset.",
                me instanceof RafTrajectoryObsDataset );


    // Read all data in variable oriented manner.
    trajDt = me.getTrajectory( "1Hz data" );


    range = trajDt.getFullRange();
    startDate = System.currentTimeMillis();
    for ( Iterator it = trajDt.getDataVariables().iterator(); it.hasNext(); )
    {
      VariableSimpleIF var = (VariableSimpleIF) it.next();
      Array a = trajDt.getData( range, var.getShortName() );
    }
    endDate = System.currentTimeMillis();
    System.out.println( "Variable-oriented read of non-record written data: " + ( ( endDate - startDate ) / 1000.0 ) + " seconds" );


    // Read all data in point oriented manner.
    startDate = System.currentTimeMillis();
    for ( int i = 0; i < trajDt.getNumberPoints(); i++ )
    {
      StructureData structData = trajDt.getData( i );
    }
    endDate = System.currentTimeMillis();
    System.out.println( "Point-oriented read of non-record written data: " + ( ( endDate - startDate ) / 1000.0 ) + " seconds" );


    // Read all data in point oriented manner with iterator.

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                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 )

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    {
      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);
      return;
    }


    String u = sdata.findMember( "alt").getUnitsString();
    assert u.equals( "meters") : "traj.getPointObsData().getData().findMember( \"alt\") units <" + u + "> not as expected";
    //assertTrue( "traj.getPointObsData().getData().findMember( \"alt\") units <" + u + "> not as expected <meters>.",
    //            u.equals( "meters") );


    // ... from getData(0)

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    // read all the data, create a RecordObs
    ArrayList records = new ArrayList();
    int recno = 0;
    StructureDataIterator ii = recordVar.getStructureIterator();
    while (ii.hasNext()) {
      StructureData sdata = ii.next();
      StructureMembers members = sdata.getStructureMembers();


      Object stationId = null;
      if (hasStations) {
        if ( stationIdType == DataType.INT) {
          int stationNum = sdata.getScalarInt(stnIdVName);
          stationId = new Integer(stationNum);
        } else
          stationId = sdata.getScalarString( stnIdVName).trim();
      }


      String desc = (stnDescVName == null) ? null : sdata.getScalarString(stnDescVName);
      double lat = sdata.convertScalarDouble(latVName);
      double lon = sdata.convertScalarDouble(lonVName);
      double alt = (altVName == null) ? Double.NaN : altScaleFactor * sdata.convertScalarDouble(altVName);
      double obsTime = sdata.convertScalarDouble(members.findMember( obsTimeVName));
      double nomTime = (nomTimeVName == null) ? obsTime : sdata.convertScalarDouble( members.findMember( nomTimeVName));


      //double obsTime = sdata.convertScalarDouble( members.findMember( obsTimeVName) );
      //double nomTime = (nomTimeVName == null) ? obsTime : sdata.convertScalarDouble( members.findMember( nomTimeVName));


      if (hasStations) {

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