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

  protected void initStationHelper() {
    try {
      stationHelper = new StationHelper();
      StructureDataIterator siter = ft.getStationDataIterator(-1);
      while (siter.hasNext()) {
        StructureData stationData = siter.next();
        Station s = makeStation(stationData, siter.getCurrentRecno());
        if (s != null)
          stationHelper.addStation( s);
      }
    } catch (IOException ioe) {

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      e.printStackTrace();
    }
  }


  public StructureData getJoinData(Cursor cursor) {
    StructureData sdata = cursor.tableData[0]; // LOOK ??
    int index = sdata.getScalarInt(parentIndex);
    return parentData.getStructureData(index);
  }

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      ucar.unidata.geoloc.Station ss = sod.getStation();
      assert (ss.getName().equals(s.getName()));


      System.out.println(ss.getName() + " " + format.toDateTimeStringISO( sod.getObservationTimeAsDate()));


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


    System.out.println("------------------\n");
    Date start = format.isoDateTimeFormat("2007-03-27T09:18:56Z");
    Date end = format.isoDateTimeFormat("2007-03-30T10:52:48Z");


    iter = sdc.getDataIterator(s, start, end);
    while (iter.hasNext()) {
      Object o = iter.nextData();
      assert (o instanceof StationObsDatatype);
      StationObsDatatype sod = (StationObsDatatype) o;
      ucar.unidata.geoloc.Station ss = sod.getStation();
      assert (ss.getName().equals(s.getName()));


      System.out.println(ss.getName() + " " + format.toDateTimeStringISO( sod.getObservationTimeAsDate()));


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


  }

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    reset();
  }


  @Override
  public StructureData next() throws IOException {
    StructureData sdata;
    currRecord = indexIter.next();
    try {
      sdata = s.readStructure( currRecord);
    } catch (ucar.ma2.InvalidRangeException e) {
      log.error("StructureDataIteratorIndexed.nextStructureData recno=" + currRecord, e);

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  }


  public boolean hasNext() throws IOException {


    while (true) {
      StructureData sdata = nextStructureData();
      if (sdata == null) break;
      feature = makeFeature(structIter.getCurrentRecno(), sdata);
      if (feature == null) continue;
      if (feature.getLocation().isMissing()) {
        continue;

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    StructureMembers members = as.getStructureMembers();
    latMember = members.findMember(latVar.getShortName());
    lonMember = members.findMember(lonVar.getShortName());
    innerMember = members.findMember(innerSequence.getShortName());


    StructureData first = as.getStructureData(0);
    StructureData innerFirst = first.getScalarStructure(innerMember);
    StructureMembers innerMembers = innerFirst.getStructureMembers();


    if (isProfile) {
      timeMember = members.findMember(timeVar.getShortName());
      altMember = innerMembers.findMember(altVar.getShortName());
    } else {

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    StructureMembers.Member altMember = members.findMember(altVar.getShortName());
    StructureMembers.Member idMember = members.findMember(ID);


    int n = (int) as.getSize();
    for (int i=0; i<n; i++) {
      StructureData sdata = as.getStructureData(i);
      double lat = sdata.convertScalarDouble(latMember);
      double lon = sdata.convertScalarDouble(lonMember);
      double alt = sdata.convertScalarDouble(altMember);
      int id = sdata.getScalarInt(idMember);


      StationImpl s = new StationImpl(Integer.toString(id), "Station"+i,lat, lon, alt);
      stations.add(s);
    }
  }

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    ArrayStructure as = (ArrayStructure) dodsFile.readWithCE(outerSequence, CE);


    /* unwrap the outer structure
    StructureMembers outerMembers = as.getStructureMembers();
    StructureMembers.Member outerMember = outerMembers.findMember(outerSequence.getShortName()); */
    StructureData outerStructure = as.getStructureData(0); 


    // get at the inner sequence
    ArrayStructure asInner = (ArrayStructure) outerStructure.getArray(innerSequence.getShortName());
    StructureMembers innerMembers = asInner.getStructureMembers();
    StructureMembers.Member timeMember = innerMembers.findMember(timeVar.getShortName());


    int n = (int) asInner.getSize();
    ArrayList stationData = new ArrayList(n);
    for (int i=0; i<n; i++) {
      StructureData sdata = asInner.getStructureData(i);
      double obsTime = sdata.convertScalarDouble(timeMember);
      stationData.add( new SeqStationObs(s, obsTime, sdata));
    }
    return stationData;
  }

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      this.recno = recno;
      this.sdata = sdata;


      double lat = sdata.convertScalarDouble(latMember);
      double lon = sdata.convertScalarDouble(lonMember);
      StructureData inner = sdata.getScalarStructure(innerMember);


      double alt = 0.0;


      if (isProfile) {
        obsTime = sdata.convertScalarDouble(timeMember);
        alt = inner.convertScalarDouble(altMember);
      } else {
        obsTime = inner.convertScalarDouble(timeMember);
        alt = sdata.convertScalarDouble(altMember);
      }


      nomTime = obsTime;
      location = new ucar.unidata.geoloc.EarthLocationImpl( lat, lon, alt);

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  public void utestNestedTable() throws IOException, InvalidRangeException {
    String filename = TestAll.cdmLocalTestDataDir + "dataset/nestedTable.bufr";
    NetcdfFile ncfile = ucar.nc2.dataset.NetcdfDataset.openFile(filename, null);
    Structure outer = (Structure) ncfile.findVariable(BufrIosp.obsRecord);
    StructureData data = outer.readStructure(0);
    //NCdumpW.printStructureData( new PrintWriter(System.out), data);


    assert data.getScalarShort("Latitude") == 32767;


    ArrayStructure as = data.getArrayStructure("struct1");
    assert as != null;
    assert as.getScalarShort(0, as.findMember("Wind_speed")) == 61;


    ncfile.close();
  }

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