コード例 #1
0
  private void init() throws IOException {
    members = new StructureMembers("stationObs");

    // used to convert from adde format
    calendar = new GregorianCalendar();
    calendar.setTimeZone(TimeZone.getTimeZone("GMT"));

    // time unit
    timeUnit = DateUnit.getUnixDateUnit();

    try {
      AddePointDataReader reader = callAdde(addeURL);

      String[] params = reader.getParams();
      String[] units = reader.getUnits();
      int[] scales = reader.getScales();
      scaleFactor = new double[params.length];

      if (debugHead) System.out.println(" Param  Unit Scale");
      for (int paramNo = 0; paramNo < params.length; paramNo++) {
        // memberNames.add( params[i]);

        if (debugHead)
          System.out.println(" " + params[paramNo] + " " + units[paramNo] + " " + scales[paramNo]);
        if (scales[paramNo] != 0)
          scaleFactor[paramNo] = 1.0 / Math.pow(10.0, (double) scales[paramNo]);

        DataType dt = null;
        if ("CHAR".equals(units[paramNo])) dt = DataType.STRING;
        else if (scaleFactor[paramNo] == 0) dt = DataType.INT;
        else dt = DataType.DOUBLE;

        String unitString = null;
        if ((units[paramNo] != null) && (units[paramNo].length() > 0))
          unitString = visad.jmet.MetUnits.makeSymbol(units[paramNo]);

        AddeTypedDataVariable tdv = new AddeTypedDataVariable(params[paramNo], unitString, dt);
        dataVariables.add(tdv);
        StructureMembers.Member m =
            members.addMember(
                tdv.getShortName(),
                tdv.getDescription(),
                tdv.getUnitsString(),
                tdv.getDataType(),
                tdv.getShape());
        m.setDataParam(paramNo);
        members.addMember(m);
      }

    } catch (AddeException e) {
      e.printStackTrace();
      throw new IOException(e.getMessage());
    }
  }
コード例 #2
0
  public static void main(String args[]) throws Exception {
    long start = System.currentTimeMillis();
    Map<String, ucar.unidata.geoloc.Station> staHash =
        new HashMap<String, ucar.unidata.geoloc.Station>();

    String location = "R:/testdata/sounding/netcdf/Upperair_20070401_0000.nc";
    NetcdfDataset ncfile = NetcdfDataset.openDataset(location);
    ncfile.sendIospMessage(NetcdfFile.IOSP_MESSAGE_ADD_RECORD_STRUCTURE);

    // look through record varibles, for those that have "manLevel" dimension
    // make a StructureData object for those
    StructureMembers sm = new StructureMembers("manLevel");
    Dimension manDim = ncfile.findDimension("manLevel");
    Structure record = (Structure) ncfile.findVariable("record");
    List<Variable> allList = record.getVariables();
    List<VariableSimpleIF> varList = new ArrayList<VariableSimpleIF>();
    for (Variable v : allList) {
      if ((v.getRank() == 1) && v.getDimension(0).equals(manDim)) {
        // public VariableDS(NetcdfDataset ds, Group group, Structure parentStructure, String
        // shortName, DataType dataType,
        // String dims, String units, String desc) {
        varList.add(
            new VariableDS(
                ncfile,
                null,
                null,
                v.getShortName(),
                v.getDataType(),
                "",
                v.getUnitsString(),
                v.getDescription()));
        // (String name, String desc, String units, DataType dtype, int []shape)
        sm.addMember(
            v.getShortName(),
            v.getDescription(),
            v.getUnitsString(),
            v.getDataType(),
            new int[0]); // scalar
      }
    }

    ArrayStructureMA manAS = new ArrayStructureMA(sm, new int[] {manDim.getLength()});

    // need the date units
    Variable time = ncfile.findVariable("synTime");
    String timeUnits = ncfile.findAttValueIgnoreCase(time, "units", null);
    timeUnits = StringUtil.remove(timeUnits, '('); // crappy fsl'ism
    timeUnits = StringUtil.remove(timeUnits, ')');
    DateUnit timeUnit = new DateUnit(timeUnits);

    // extract stations
    int nrecs = 0;
    StructureDataIterator iter = record.getStructureIterator();
    while (iter.hasNext()) {
      StructureData sdata = iter.next();
      String name = sdata.getScalarString("staName");
      ucar.unidata.geoloc.Station s = staHash.get(name);
      if (s == null) {
        float lat = sdata.convertScalarFloat("staLat");
        float lon = sdata.convertScalarFloat("staLon");
        float elev = sdata.convertScalarFloat("staElev");
        s = new StationImpl(name, "", lat, lon, elev);
        staHash.put(name, s);
      }
      nrecs++;
    }
    List<ucar.unidata.geoloc.Station> stnList =
        Arrays.asList(staHash.values().toArray(new ucar.unidata.geoloc.Station[staHash.size()]));
    Collections.sort(stnList);

    // create the writer
    WriterProfileObsDataset writer =
        new WriterProfileObsDataset(location + ".out", "rewrite " + location);
    writer.writeHeader(stnList, varList, nrecs, "prMan");

    // extract records
    iter = record.getStructureIterator();
    while (iter.hasNext()) {
      StructureData sdata = iter.next();
      String name = sdata.getScalarString("staName");
      double timeValue = sdata.convertScalarDouble("synTime");
      Date date = timeUnit.makeDate(timeValue);

      // transfer to the ArrayStructure
      List<String> names = sm.getMemberNames();
      for (String mname : names) {
        manAS.setMemberArray(mname, sdata.getArray(mname));
      }

      // each level is weritten as a seperate structure
      int numMand = sdata.getScalarInt("numMand");
      if (numMand >= manDim.getLength()) continue;

      for (int i = 0; i < numMand; i++) {
        StructureData useData = manAS.getStructureData(i);
        writer.writeRecord(name, date, useData);
      }
    }

    writer.finish();

    long took = System.currentTimeMillis() - start;
    System.out.println("That took = " + took);
  }