Exemplo n.º 1
0
 void writeNetCDF(String filename) {
   try {
     FileWriter2 writer = new FileWriter2(ds, filename, NetcdfFileWriter.Version.netcdf3);
     NetcdfFile result = writer.write();
     result.close();
     JOptionPane.showMessageDialog(this, "File successfully written");
   } catch (Exception ioe) {
     JOptionPane.showMessageDialog(this, "ERROR: " + ioe.getMessage());
     ioe.printStackTrace();
   }
 }
Exemplo n.º 2
0
  public void testReadStandardVar() throws Exception {
    ncfileRead = NetcdfFile.open(filename);
    dsRead = NetcdfDataset.openDataset(filename);

    readDouble();
    readByte2Short();
    readByte();
    readShortMissing();
    readShort2FloatMissing();

    readDoubleMissing();

    ncfileRead.close();
    dsRead.close();
  }
Exemplo n.º 3
0
  public void showAtts() {
    if (ds == null) return;
    if (attTable == null) {
      // global attributes
      attTable =
          new BeanTableSorted(
              AttributeBean.class, (PreferencesExt) prefs.node("AttributeBeans"), false);
      PopupMenu varPopup = new ucar.nc2.ui.widget.PopupMenu(attTable.getJTable(), "Options");
      varPopup.addAction(
          "Show Attribute",
          new AbstractAction() {
            public void actionPerformed(ActionEvent e) {
              AttributeBean bean = (AttributeBean) attTable.getSelectedBean();
              if (bean != null) {
                infoTA.setText(bean.att.toString());
                infoTA.gotoTop();
                infoWindow.show();
              }
            }
          });
      attWindow =
          new IndependentWindow("Global Attributes", BAMutil.getImage("netcdfUI"), attTable);
      attWindow.setBounds(
          (Rectangle) prefs.getBean("AttWindowBounds", new Rectangle(300, 100, 500, 800)));
    }

    List<AttributeBean> attlist = new ArrayList<AttributeBean>();
    for (Attribute att : ds.getGlobalAttributes()) {
      attlist.add(new AttributeBean(att));
    }
    attTable.setBeans(attlist);
    attWindow.show();
  }
Exemplo n.º 4
0
  private void makeVariableNoCoords(
      NetcdfFile ncfile, int datatype, String shortName, String longName, Variable from) {

    Variable v = new Variable(ncfile, null, null, shortName);
    v.setDataType(DataType.BYTE);
    v.setDimensions(from.getDimensions());
    ncfile.addVariable(null, v);

    v.addAttribute(new Attribute(CDM.UNITS, Cinrad2Record.getDatatypeUnits(datatype)));
    v.addAttribute(new Attribute(CDM.LONG_NAME, longName));

    byte[] b = new byte[2];
    b[0] = Cinrad2Record.MISSING_DATA;
    b[1] = Cinrad2Record.BELOW_THRESHOLD;
    Array missingArray = Array.factory(DataType.BYTE.getPrimitiveClassType(), new int[] {2}, b);

    v.addAttribute(new Attribute(CDM.MISSING_VALUE, missingArray));
    v.addAttribute(
        new Attribute("signal_below_threshold", new Byte(Cinrad2Record.BELOW_THRESHOLD)));
    v.addAttribute(
        new Attribute(CDM.SCALE_FACTOR, new Float(Cinrad2Record.getDatatypeScaleFactor(datatype))));
    v.addAttribute(
        new Attribute(CDM.ADD_OFFSET, new Float(Cinrad2Record.getDatatypeAddOffset(datatype))));
    v.addAttribute(new Attribute(CDM.UNSIGNED, "true"));

    Attribute fromAtt = from.findAttribute(_Coordinate.Axes);
    v.addAttribute(new Attribute(_Coordinate.Axes, fromAtt));

    Vgroup vgFrom = (Vgroup) from.getSPobject();
    Vgroup vg = new Vgroup(datatype, vgFrom.map);
    v.setSPobject(vg);
  }
Exemplo n.º 5
0
  public void readByte2Short() throws Exception {
    Variable t2 = null;
    assert (null != (t2 = ncfileRead.findVariable("t2")));
    assert (t2.getDataType() == DataType.BYTE);

    Attribute att = t2.findAttribute(CDM.SCALE_FACTOR);
    assert (null != att);
    assert (!att.isArray());
    assert (1 == att.getLength());
    assert (2 == att.getNumericValue().doubleValue());
    assert (DataType.SHORT == att.getDataType());

    assert (null != (t2 = dsRead.findVariable("t2")));
    assert t2 instanceof VariableEnhanced;
    VariableDS vs = (VariableDS) t2;
    assert (vs.getDataType() == DataType.SHORT) : vs.getDataType();
    assert (!vs.hasMissing());

    Array A = vs.read();
    assert (A.getElementType() == short.class) : A.getElementType();
    Index ima = A.getIndex();
    int[] shape = A.getShape();
    int i, j;
    for (i = 0; i < shape[0]; i++) {
      for (j = 0; j < shape[1]; j++) {
        assert (A.getShort(ima.set(i, j)) == (2 * (i * 10 + j) + 77));
      }
    }
    System.out.println("**************TestStandardVar readByte2Short");
  }
Exemplo n.º 6
0
 public List<VariableBean> getVariableBeans(NetcdfFile ds) {
   List<VariableBean> vlist = new ArrayList<VariableBean>();
   for (Variable v : ds.getVariables()) {
     vlist.add(new VariableBean(v));
   }
   return vlist;
 }
Exemplo n.º 7
0
 /**
  * String representation.
  *
  * @param strict if true, write in strict adherence to CDL definition.
  * @return CDL representation.
  */
 public String writeCDL(boolean strict) {
   StringBuilder buff = new StringBuilder();
   String name = strict ? NetcdfFile.escapeNameCDL(getName()) : getName();
   buff.append("  enum ").append(name).append(" { ");
   int count = 0;
   List<Object> keyset = Arrays.asList(map.keySet().toArray());
   // Collections.sort(keyset);
   for (Object key : keyset) {
     String s = map.get(key);
     if (0 < count++) buff.append(", ");
     if (strict) buff.append(NetcdfFile.escapeNameCDL(s)).append(" = ").append(key);
     else buff.append("'").append(s).append("' = ").append(key);
   }
   buff.append("};");
   return buff.toString();
 }
 /**
  * Add this coord as a dimension to the netCDF file
  *
  * @param ncfile file to add to
  * @param g group in the file
  */
 void addDimensionsToNetcdfFile(NetcdfFile ncfile, Group g) {
   if (dontUseVertical) {
     return;
   }
   int nlevs = levels.size();
   if (coordValues != null) nlevs = coordValues.length;
   ncfile.addDimension(g, new Dimension(getVariableName(), nlevs, true));
 }
 private NetcdfDataset getBufrMessageAsDataset(Message m) throws IOException {
   byte[] mbytes = scan.getMessageBytes(m);
   NetcdfFile ncfile = null;
   try {
     ncfile = NetcdfFile.openInMemory("test", mbytes, "ucar.nc2.iosp.bufr.BufrIosp");
   } catch (Exception e) {
     throw new IOException(e);
   }
   return new NetcdfDataset(ncfile);
 }
Exemplo n.º 10
0
  private void compareDataset(CompareDialog.Data data) {
    if (data.name == null) return;

    NetcdfFile compareFile = null;
    try {
      compareFile = NetcdfDataset.openFile(data.name, null);

      Formatter f = new Formatter();
      CompareNetcdf2 cn = new CompareNetcdf2(f, data.showCompare, data.showDetails, data.readData);
      if (data.howMuch == CompareDialog.HowMuch.All) cn.compare(ds, compareFile);
      else {
        NestedTable nested = nestedTableList.get(0);
        Variable org = getCurrentVariable(nested.table);
        if (org == null) return;
        Variable ov = compareFile.findVariable(org.getFullNameEscaped());
        if (ov != null) cn.compareVariable(org, ov);
      }

      infoTA.setText(f.toString());
      infoTA.gotoTop();
      infoWindow.setTitle("Compare");
      infoWindow.show();

    } catch (Throwable ioe) {
      ByteArrayOutputStream bos = new ByteArrayOutputStream(10000);
      ioe.printStackTrace(new PrintStream(bos));
      infoTA.setText(bos.toString());
      infoTA.gotoTop();
      infoWindow.show();

    } finally {
      if (compareFile != null)
        try {
          compareFile.close();
        } catch (Exception eek) {
        }
    }
  }
Exemplo n.º 11
0
  public void readShortMissing() throws Exception {
    Variable v = null;
    assert (null != (v = ncfileRead.findVariable("t4")));
    assert (v.getDataType() == DataType.SHORT);

    // default use of missing_value
    assert (null != (v = dsRead.findVariable("t4")));
    assert v instanceof VariableEnhanced;
    assert v instanceof VariableDS;
    VariableDS vs = (VariableDS) v;
    assert (vs.getDataType() == DataType.SHORT);

    Attribute att = vs.findAttribute(CDM.MISSING_VALUE);
    assert (null != att);
    assert (!att.isArray());
    assert (1 == att.getLength());
    System.out.println("missing_value = " + att.getNumericValue().shortValue());
    assert (((short) -9999) == att.getNumericValue().shortValue());
    assert (DataType.SHORT == att.getDataType());

    assert (vs.hasMissing());
    assert (vs.hasMissingValue());
    assert (vs.isMissing((double) ((short) -9999)));
    assert (vs.isMissingValue((double) ((short) -9999)));

    Array A = vs.read();
    Index ima = A.getIndex();
    int[] shape = A.getShape();
    int i, j;
    for (i = 0; i < shape[0]; i++) {
      for (j = 0; j < shape[1]; j++) {
        assert (A.getFloat(ima.set(i, j)) == (i * 10 + j));
      }
    }

    // turn off missing data
    vs.setMissingDataIsMissing(false);
    assert (vs.getDataType() == DataType.SHORT);

    assert (!vs.hasMissing());
    assert (vs.hasMissingValue());
    assert (!vs.isMissing((double) ((short) -9999)));
    assert (vs.isMissingValue((double) ((short) -9999)));

    vs.setMissingDataIsMissing(true);
    assert (vs.hasMissing());
    assert (vs.isMissing((double) ((short) -9999)));

    System.out.println("**************TestStandardVar Read readShortMissing");
  }
Exemplo n.º 12
0
  public void readDouble() throws Exception {

    Variable t1 = null;
    assert (null != (t1 = ncfileRead.findVariable("t1")));
    assert (t1.getDataType() == DataType.DOUBLE);

    Attribute att = t1.findAttribute(CDM.SCALE_FACTOR);
    assert (null != att);
    assert (!att.isArray());
    assert (1 == att.getLength());
    assert (2.0 == att.getNumericValue().doubleValue());
    assert (DataType.DOUBLE == att.getDataType());

    // read
    Array A = t1.read();
    int i, j;
    Index ima = A.getIndex();
    int[] shape = A.getShape();

    for (i = 0; i < shape[0]; i++) {
      for (j = 0; j < shape[1]; j++) {
        assert (A.getDouble(ima.set(i, j)) == (double) (i * 10.0 + j));
      }
    }

    assert (null != (t1 = dsRead.findVariable("t1")));
    assert t1 instanceof VariableEnhanced;
    VariableEnhanced dsVar = (VariableEnhanced) t1;
    assert (dsVar.getDataType() == DataType.DOUBLE);

    A = dsVar.read();
    ima = A.getIndex();
    shape = A.getShape();

    for (i = 0; i < shape[0]; i++) {
      for (j = 0; j < shape[1]; j++) {
        assert (A.getDouble(ima.set(i, j)) == (2.0 * (i * 10.0 + j) + 77.0));
      }
    }

    assert (null == t1.findAttribute(CDM.SCALE_FACTOR));
    assert (null == t1.findAttribute("add_offset"));

    System.out.println("**************TestStandardVar ReadDouble");
  }
Exemplo n.º 13
0
  /**
   * Add this as a variable to the netCDF file
   *
   * @param ncfile the netCDF file
   * @param g the group in the file
   */
  void addToNetcdfFile(NetcdfFile ncfile, Group g) {
    Variable v = new Variable(ncfile, g, null, getName());
    v.setDimensions(v.getShortName());
    v.setDataType(DataType.STRING);
    v.addAttribute(new Attribute("long_name", "ensemble"));
    v.addAttribute(new Attribute(_Coordinate.AxisType, AxisType.Ensemble.toString()));

    String[] data = new String[getNEnsembles()];

    for (int i = 0; i < getNEnsembles(); i++) {
      EnsCoord ec = ensCoords.get(i);
      data[i] = Grib2Tables.codeTable4_6(ec.type) + " " + ec.number;
    }
    Array dataArray = Array.factory(DataType.STRING, new int[] {getNEnsembles()}, data);
    v.setCachedData(dataArray, false);

    ncfile.addVariable(g, v);
  }
Exemplo n.º 14
0
  public void readByte() throws Exception {
    Variable v = null;
    assert (null != (v = ncfileRead.findVariable("t3")));
    assert (v.getDataType() == DataType.BYTE);

    assert (null != (v = dsRead.findVariable("t3")));
    assert v instanceof VariableEnhanced;
    assert v instanceof VariableDS;
    VariableDS vs = (VariableDS) v;
    assert (vs.getDataType() == DataType.BYTE);

    Attribute att = vs.findAttribute("_FillValue");
    assert (null != att);
    assert (!att.isArray());
    assert (1 == att.getLength());
    System.out.println("_FillValue = " + att.getNumericValue().byteValue());
    assert (((byte) 255) == att.getNumericValue().byteValue());
    assert (DataType.BYTE == att.getDataType());

    assert (vs.hasMissing());
    assert (vs.hasFillValue());
    assert (vs.isMissing((double) ((byte) 255)));
    assert (vs.isFillValue((double) ((byte) 255)));

    Array A = vs.read();
    assert (A.getElementType() == byte.class) : A.getElementType();
    Index ima = A.getIndex();
    int[] shape = A.getShape();
    int i, j;
    for (i = 0; i < shape[0]; i++) {
      for (j = 0; j < shape[1]; j++) {
        assert (A.getFloat(ima.set(i, j)) == (i * 10 + j));
      }
    }
    System.out.println("**************TestStandardVar ReadByte");
  }
Exemplo n.º 15
0
 /**
  * Add this as a dimension to a netCDF file
  *
  * @param ncfile the netCDF file
  * @param g the group in the file
  */
 void addDimensionsToNetcdfFile(NetcdfFile ncfile, Group g) {
   ncfile.addDimension(g, new Dimension(getName(), getNEnsembles(), true));
 }
Exemplo n.º 16
0
  public void readShort2FloatMissing() throws Exception {
    Variable v = null;
    assert (null != (v = ncfileRead.findVariable("t5")));
    assert (v.getDataType() == DataType.SHORT);

    // standard convert with missing data
    assert (null != (v = dsRead.findVariable("t5")));
    assert v instanceof VariableEnhanced;
    assert v instanceof VariableDS;
    VariableDS vs = (VariableDS) v;
    assert (vs.getDataType() == DataType.FLOAT);

    assert (vs.hasMissing());
    assert (vs.hasMissingValue());
    double mv = 2 * (-9999) + 77;
    assert (vs.isMissing((double) mv));
    assert (vs.isMissingValue((double) mv));

    Array A = vs.read();
    Index ima = A.getIndex();
    int[] shape = A.getShape();
    int i, j;

    assert (vs.isMissing(A.getFloat(ima.set(0, 0))));

    for (i = 0; i < shape[0]; i++) {
      for (j = 1; j < shape[1]; j++) {
        float val = A.getFloat(ima.set(i, j));
        float want = 2 * (i * 10 + j) + 77;
        if (val != want) System.out.println(i + " " + j + " " + val + " " + want);
        assert (val == want);
      }
    }

    // useNaNs
    vs.setUseNaNs(true);
    assert (vs.getDataType() == DataType.FLOAT);

    assert (vs.hasMissing());
    assert (vs.hasMissingValue());
    double mv2 = 2 * (-9999) + 77;
    assert (vs.isMissing((double) mv2));
    assert (vs.isMissingValue((double) mv2));

    Array A2 = vs.read();
    Index ima2 = A2.getIndex();
    int[] shape2 = A2.getShape();

    double mval = A2.getFloat(ima2.set(0, 0));
    assert vs.isMissing(mval);
    assert Double.isNaN(mval);

    for (i = 0; i < shape2[0]; i++) {
      for (j = 1; j < shape2[1]; j++) {
        float val = A2.getFloat(ima2.set(i, j));
        float want = 2 * (i * 10 + j) + 77;
        if (val != want) System.out.println(i + " " + j + " " + val + " " + want);
        assert (val == want) : val + " != " + want;
      }
    }

    assert (null == vs.findAttribute(CDM.SCALE_FACTOR));
    assert (null == vs.findAttribute("add_offset"));
    assert (null == vs.findAttribute(CDM.MISSING_VALUE));

    System.out.println("**************TestStandardVar Read readShort2FloatMissing");
  }
Exemplo n.º 17
0
  public void open(RandomAccessFile raf, NetcdfFile ncfile, CancelTask cancelTask)
      throws IOException {
    NexradStationDB.init();

    volScan = new Cinrad2VolumeScan(raf, cancelTask);
    if (volScan.hasDifferentDopplarResolutions())
      throw new IllegalStateException("volScan.hasDifferentDopplarResolutions");

    radialDim = new Dimension("radial", volScan.getMaxRadials());
    ncfile.addDimension(null, radialDim);

    makeVariable(
        ncfile,
        Cinrad2Record.REFLECTIVITY,
        "Reflectivity",
        "Reflectivity",
        "R",
        volScan.getReflectivityGroups());
    int velocity_type =
        (volScan.getDopplarResolution() == Cinrad2Record.DOPPLER_RESOLUTION_HIGH_CODE)
            ? Cinrad2Record.VELOCITY_HI
            : Cinrad2Record.VELOCITY_LOW;
    Variable v =
        makeVariable(
            ncfile,
            velocity_type,
            "RadialVelocity",
            "Radial Velocity",
            "V",
            volScan.getVelocityGroups());
    makeVariableNoCoords(
        ncfile, Cinrad2Record.SPECTRUM_WIDTH, "SpectrumWidth", "Spectrum Width", v);

    if (volScan.getStationId() != null) {
      ncfile.addAttribute(null, new Attribute("Station", volScan.getStationId()));
      ncfile.addAttribute(null, new Attribute("StationName", volScan.getStationName()));
      ncfile.addAttribute(
          null, new Attribute("StationLatitude", new Double(volScan.getStationLatitude())));
      ncfile.addAttribute(
          null, new Attribute("StationLongitude", new Double(volScan.getStationLongitude())));
      ncfile.addAttribute(
          null,
          new Attribute("StationElevationInMeters", new Double(volScan.getStationElevation())));

      double latRadiusDegrees = Math.toDegrees(radarRadius / ucar.unidata.geoloc.Earth.getRadius());
      ncfile.addAttribute(
          null,
          new Attribute(
              "geospatial_lat_min", new Double(volScan.getStationLatitude() - latRadiusDegrees)));
      ncfile.addAttribute(
          null,
          new Attribute(
              "geospatial_lat_max", new Double(volScan.getStationLatitude() + latRadiusDegrees)));
      double cosLat = Math.cos(Math.toRadians(volScan.getStationLatitude()));
      double lonRadiusDegrees =
          Math.toDegrees(radarRadius / cosLat / ucar.unidata.geoloc.Earth.getRadius());
      ncfile.addAttribute(
          null,
          new Attribute(
              "geospatial_lon_min", new Double(volScan.getStationLongitude() - lonRadiusDegrees)));
      ncfile.addAttribute(
          null,
          new Attribute(
              "geospatial_lon_max", new Double(volScan.getStationLongitude() + lonRadiusDegrees)));

      // add a radial coordinate transform (experimental)
      Variable ct = new Variable(ncfile, null, null, "radialCoordinateTransform");
      ct.setDataType(DataType.CHAR);
      ct.setDimensions(""); // scalar
      ct.addAttribute(new Attribute("transform_name", "Radial"));
      ct.addAttribute(new Attribute("center_latitude", new Double(volScan.getStationLatitude())));
      ct.addAttribute(new Attribute("center_longitude", new Double(volScan.getStationLongitude())));
      ct.addAttribute(new Attribute("center_elevation", new Double(volScan.getStationElevation())));
      ct.addAttribute(new Attribute(_Coordinate.TransformType, "Radial"));
      ct.addAttribute(
          new Attribute(_Coordinate.AxisTypes, "RadialElevation RadialAzimuth RadialDistance"));

      Array data =
          Array.factory(DataType.CHAR.getPrimitiveClassType(), new int[0], new char[] {' '});
      ct.setCachedData(data, true);
      ncfile.addVariable(null, ct);
    }

    DateFormatter formatter = new DateFormatter();

    ncfile.addAttribute(null, new Attribute(CDM.CONVENTIONS, _Coordinate.Convention));
    ncfile.addAttribute(null, new Attribute("format", volScan.getDataFormat()));
    ncfile.addAttribute(null, new Attribute(CF.FEATURE_TYPE, FeatureType.RADIAL.toString()));
    // Date d = Cinrad2Record.getDate(volScan.getTitleJulianDays(), volScan.getTitleMsecs());
    // ncfile.addAttribute(null, new Attribute("base_date", formatter.toDateOnlyString(d)));

    ncfile.addAttribute(
        null,
        new Attribute(
            "time_coverage_start", formatter.toDateTimeStringISO(volScan.getStartDate())));
    ; // .toDateTimeStringISO(d)));
    ncfile.addAttribute(
        null,
        new Attribute("time_coverage_end", formatter.toDateTimeStringISO(volScan.getEndDate())));

    ncfile.addAttribute(
        null,
        new Attribute(CDM.HISTORY, "Direct read of Nexrad Level 2 file into NetCDF-Java 2.2 API"));
    ncfile.addAttribute(null, new Attribute("DataType", "Radial"));

    ncfile.addAttribute(
        null,
        new Attribute(
            "Title",
            "Nexrad Level 2 Station "
                + volScan.getStationId()
                + " from "
                + formatter.toDateTimeStringISO(volScan.getStartDate())
                + " to "
                + formatter.toDateTimeStringISO(volScan.getEndDate())));

    ncfile.addAttribute(
        null,
        new Attribute(
            "Summary",
            "Weather Surveillance Radar-1988 Doppler (WSR-88D) "
                + "Level II data are the three meteorological base data quantities: reflectivity, mean radial velocity, and "
                + "spectrum width."));

    ncfile.addAttribute(
        null,
        new Attribute(
            "keywords",
            "WSR-88D; NEXRAD; Radar Level II; reflectivity; mean radial velocity; spectrum width"));

    ncfile.addAttribute(
        null,
        new Attribute(
            "VolumeCoveragePatternName",
            Cinrad2Record.getVolumeCoveragePatternName(volScan.getVCP())));
    ncfile.addAttribute(
        null, new Attribute("VolumeCoveragePattern", new Integer(volScan.getVCP())));
    ncfile.addAttribute(
        null,
        new Attribute(
            "HorizonatalBeamWidthInDegrees", new Double(Cinrad2Record.HORIZONTAL_BEAM_WIDTH)));

    ncfile.finish();
  }
Exemplo n.º 18
0
  public Variable makeVariable(
      NetcdfFile ncfile,
      int datatype,
      String shortName,
      String longName,
      String abbrev,
      List groups)
      throws IOException {
    int nscans = groups.size();

    if (nscans == 0) {
      throw new IllegalStateException("No data for " + shortName);
    }

    // get representative record
    List firstGroup = (List) groups.get(0);
    Cinrad2Record firstRecord = (Cinrad2Record) firstGroup.get(0);
    int ngates = firstRecord.getGateCount(datatype);

    String scanDimName = "scan" + abbrev;
    String gateDimName = "gate" + abbrev;
    Dimension scanDim = new Dimension(scanDimName, nscans);
    Dimension gateDim = new Dimension(gateDimName, ngates);
    ncfile.addDimension(null, scanDim);
    ncfile.addDimension(null, gateDim);

    ArrayList dims = new ArrayList();
    dims.add(scanDim);
    dims.add(radialDim);
    dims.add(gateDim);

    Variable v = new Variable(ncfile, null, null, shortName);
    v.setDataType(DataType.BYTE);
    v.setDimensions(dims);
    ncfile.addVariable(null, v);

    v.addAttribute(new Attribute(CDM.UNITS, Cinrad2Record.getDatatypeUnits(datatype)));
    v.addAttribute(new Attribute(CDM.LONG_NAME, longName));

    byte[] b = new byte[2];
    b[0] = Cinrad2Record.MISSING_DATA;
    b[1] = Cinrad2Record.BELOW_THRESHOLD;
    Array missingArray = Array.factory(DataType.BYTE.getPrimitiveClassType(), new int[] {2}, b);

    v.addAttribute(new Attribute(CDM.MISSING_VALUE, missingArray));
    v.addAttribute(
        new Attribute("signal_below_threshold", new Byte(Cinrad2Record.BELOW_THRESHOLD)));
    v.addAttribute(
        new Attribute(CDM.SCALE_FACTOR, new Float(Cinrad2Record.getDatatypeScaleFactor(datatype))));
    v.addAttribute(
        new Attribute(CDM.ADD_OFFSET, new Float(Cinrad2Record.getDatatypeAddOffset(datatype))));
    v.addAttribute(new Attribute(CDM.UNSIGNED, "true"));

    ArrayList dim2 = new ArrayList();
    dim2.add(scanDim);
    dim2.add(radialDim);

    // add time coordinate variable
    String timeCoordName = "time" + abbrev;
    Variable timeVar = new Variable(ncfile, null, null, timeCoordName);
    timeVar.setDataType(DataType.INT);
    timeVar.setDimensions(dim2);
    ncfile.addVariable(null, timeVar);

    // int julianDays = volScan.getTitleJulianDays();
    // Date d = Cinrad2Record.getDate( julianDays, 0);
    // Date d = Cinrad2Record.getDate(volScan.getTitleJulianDays(), volScan.getTitleMsecs());
    Date d = volScan.getStartDate();
    String units = "msecs since " + formatter.toDateTimeStringISO(d);

    timeVar.addAttribute(new Attribute(CDM.LONG_NAME, "time since base date"));
    timeVar.addAttribute(new Attribute(CDM.UNITS, units));
    timeVar.addAttribute(new Attribute(CDM.MISSING_VALUE, new Integer(MISSING_INT)));
    timeVar.addAttribute(new Attribute(_Coordinate.AxisType, AxisType.Time.toString()));

    // add elevation coordinate variable
    String elevCoordName = "elevation" + abbrev;
    Variable elevVar = new Variable(ncfile, null, null, elevCoordName);
    elevVar.setDataType(DataType.FLOAT);
    elevVar.setDimensions(dim2);
    ncfile.addVariable(null, elevVar);

    elevVar.addAttribute(new Attribute(CDM.UNITS, "degrees"));
    elevVar.addAttribute(
        new Attribute(
            CDM.LONG_NAME,
            "elevation angle in degres: 0 = parallel to pedestal base, 90 = perpendicular"));
    elevVar.addAttribute(new Attribute(CDM.MISSING_VALUE, new Float(MISSING_FLOAT)));
    elevVar.addAttribute(new Attribute(_Coordinate.AxisType, AxisType.RadialElevation.toString()));

    // add azimuth coordinate variable
    String aziCoordName = "azimuth" + abbrev;
    Variable aziVar = new Variable(ncfile, null, null, aziCoordName);
    aziVar.setDataType(DataType.FLOAT);
    aziVar.setDimensions(dim2);
    ncfile.addVariable(null, aziVar);

    aziVar.addAttribute(new Attribute(CDM.UNITS, "degrees"));
    aziVar.addAttribute(
        new Attribute(CDM.LONG_NAME, "azimuth angle in degrees: 0 = true north, 90 = east"));
    aziVar.addAttribute(new Attribute(CDM.MISSING_VALUE, new Float(MISSING_FLOAT)));
    aziVar.addAttribute(new Attribute(_Coordinate.AxisType, AxisType.RadialAzimuth.toString()));

    // add gate coordinate variable
    String gateCoordName = "distance" + abbrev;
    Variable gateVar = new Variable(ncfile, null, null, gateCoordName);
    gateVar.setDataType(DataType.FLOAT);
    gateVar.setDimensions(gateDimName);
    Array data =
        Array.makeArray(
            DataType.FLOAT,
            ngates,
            (double) firstRecord.getGateStart(datatype),
            (double) firstRecord.getGateSize(datatype));
    gateVar.setCachedData(data, false);
    ncfile.addVariable(null, gateVar);
    radarRadius = firstRecord.getGateStart(datatype) + ngates * firstRecord.getGateSize(datatype);

    gateVar.addAttribute(new Attribute(CDM.UNITS, "m"));
    gateVar.addAttribute(new Attribute(CDM.LONG_NAME, "radial distance to start of gate"));
    gateVar.addAttribute(new Attribute(_Coordinate.AxisType, AxisType.RadialDistance.toString()));

    // add number of radials variable
    String nradialsName = "numRadials" + abbrev;
    Variable nradialsVar = new Variable(ncfile, null, null, nradialsName);
    nradialsVar.setDataType(DataType.INT);
    nradialsVar.setDimensions(scanDim.getName());
    nradialsVar.addAttribute(new Attribute(CDM.LONG_NAME, "number of valid radials in this scan"));
    ncfile.addVariable(null, nradialsVar);

    // add number of gates variable
    String ngateName = "numGates" + abbrev;
    Variable ngateVar = new Variable(ncfile, null, null, ngateName);
    ngateVar.setDataType(DataType.INT);
    ngateVar.setDimensions(scanDim.getName());
    ngateVar.addAttribute(new Attribute(CDM.LONG_NAME, "number of valid gates in this scan"));
    ncfile.addVariable(null, ngateVar);

    makeCoordinateDataWithMissing(
        datatype, timeVar, elevVar, aziVar, nradialsVar, ngateVar, groups);

    // back to the data variable
    String coordinates =
        timeCoordName + " " + elevCoordName + " " + aziCoordName + " " + gateCoordName;
    v.addAttribute(new Attribute(_Coordinate.Axes, coordinates));

    // make the record map
    int nradials = radialDim.getLength();
    Cinrad2Record[][] map = new Cinrad2Record[nscans][nradials];
    for (int i = 0; i < groups.size(); i++) {
      Cinrad2Record[] mapScan = map[i];
      List group = (List) groups.get(i);
      for (int j = 0; j < group.size(); j++) {
        Cinrad2Record r = (Cinrad2Record) group.get(j);
        int radial = r.radial_num - 1;
        mapScan[radial] = r;
      }
    }

    Vgroup vg = new Vgroup(datatype, map);
    v.setSPobject(vg);

    return v;
  }
Exemplo n.º 19
0
  /**
   * Add this coord as a variable in the netCDF file
   *
   * @param ncfile netCDF file to add to
   * @param g group in file
   */
  void addToNetcdfFile(NetcdfFile ncfile, Group g) {
    if (dontUseVertical) {
      typicalRecord = null;
      return;
    }

    if (g == null) {
      g = ncfile.getRootGroup();
    }

    // coordinate axis
    Variable v = new Variable(ncfile, g, null, getVariableName());
    v.setDataType(DataType.DOUBLE);

    String desc = lookup.getLevelDescription(typicalRecord);
    if (lookup instanceof Grib2GridTableLookup && usesBounds) {
      desc = "Layer between " + desc;
    }

    v.addAttribute(new Attribute("long_name", desc));
    v.addAttribute(new Attribute("units", lookup.getLevelUnit(typicalRecord)));

    // positive attribute needed for CF-1 Height and Pressure
    if (positive != null) {
      v.addAttribute(new Attribute("positive", positive));
    }

    if (units != null) {
      AxisType axisType;
      if (SimpleUnit.isCompatible("millibar", units)) {
        axisType = AxisType.Pressure;
      } else if (SimpleUnit.isCompatible("m", units)) {
        axisType = AxisType.Height;
      } else {
        axisType = AxisType.GeoZ;
      }

      if (lookup instanceof Grib2GridTableLookup || lookup instanceof Grib1GridTableLookup) {
        v.addAttribute(
            new Attribute("GRIB_level_type", Integer.toString(typicalRecord.getLevelType1())));
      } else {
        v.addAttribute(
            new Attribute("level_type", Integer.toString(typicalRecord.getLevelType1())));
      }
      v.addAttribute(new Attribute(_Coordinate.AxisType, axisType.toString()));
    }

    if (coordValues == null) {
      coordValues = new double[levels.size()];
      for (int i = 0; i < levels.size(); i++) {
        LevelCoord lc = (LevelCoord) levels.get(i);
        coordValues[i] = lc.mid;
      }
    }
    Array dataArray = Array.factory(DataType.DOUBLE, new int[] {coordValues.length}, coordValues);

    v.setDimensions(getVariableName());
    v.setCachedData(dataArray, true);

    ncfile.addVariable(g, v);

    if (usesBounds) {
      String boundsDimName = "bounds_dim";
      if (g.findDimension(boundsDimName) == null) {
        ncfile.addDimension(g, new Dimension(boundsDimName, 2, true));
      }

      String bname = getVariableName() + "_bounds";
      v.addAttribute(new Attribute("bounds", bname));
      v.addAttribute(new Attribute(_Coordinate.ZisLayer, "true"));

      Variable b = new Variable(ncfile, g, null, bname);
      b.setDataType(DataType.DOUBLE);
      b.setDimensions(getVariableName() + " " + boundsDimName);
      b.addAttribute(new Attribute("long_name", "bounds for " + v.getName()));
      b.addAttribute(new Attribute("units", lookup.getLevelUnit(typicalRecord)));

      Array boundsArray = Array.factory(DataType.DOUBLE, new int[] {coordValues.length, 2});
      ucar.ma2.Index ima = boundsArray.getIndex();
      for (int i = 0; i < coordValues.length; i++) {
        LevelCoord lc = (LevelCoord) levels.get(i);
        boundsArray.setDouble(ima.set(i, 0), lc.value1);
        boundsArray.setDouble(ima.set(i, 1), lc.value2);
      }
      b.setCachedData(boundsArray, true);

      ncfile.addVariable(g, b);
    }

    if (factors != null) {
      // check if already created
      if (g == null) {
        g = ncfile.getRootGroup();
      }
      if (g.findVariable("hybrida") != null) return;
      v.addAttribute(new Attribute("standard_name", "atmosphere_hybrid_sigma_pressure_coordinate"));
      v.addAttribute(new Attribute("formula_terms", "ap: hybrida b: hybridb ps: Pressure"));
      // create  hybrid factor variables
      // add hybrida variable
      Variable ha = new Variable(ncfile, g, null, "hybrida");
      ha.setDataType(DataType.DOUBLE);
      ha.addAttribute(new Attribute("long_name", "level_a_factor"));
      ha.addAttribute(new Attribute("units", ""));
      ha.setDimensions(getVariableName());
      // add data
      int middle = factors.length / 2;
      double[] adata;
      double[] bdata;
      if (levels.size() < middle) { // only partial data wanted
        adata = new double[levels.size()];
        bdata = new double[levels.size()];
      } else {
        adata = new double[middle];
        bdata = new double[middle];
      }
      for (int i = 0; i < middle && i < levels.size(); i++) adata[i] = factors[i];
      Array haArray = Array.factory(DataType.DOUBLE, new int[] {adata.length}, adata);
      ha.setCachedData(haArray, true);
      ncfile.addVariable(g, ha);

      // add hybridb variable
      Variable hb = new Variable(ncfile, g, null, "hybridb");
      hb.setDataType(DataType.DOUBLE);
      hb.addAttribute(new Attribute("long_name", "level_b_factor"));
      hb.addAttribute(new Attribute("units", ""));
      hb.setDimensions(getVariableName());
      // add data
      for (int i = 0; i < middle && i < levels.size(); i++) bdata[i] = factors[i + middle];
      Array hbArray = Array.factory(DataType.DOUBLE, new int[] {bdata.length}, bdata);
      hb.setCachedData(hbArray, true);
      ncfile.addVariable(g, hb);

      /*  // TODO: delete next time modifying code
      double[] adata = new double[ middle ];
      for( int i = 0; i < middle; i++ )
        adata[ i ] = factors[ i ];
      Array haArray = Array.factory(DataType.DOUBLE, new int[]{adata.length}, adata);
      ha.setCachedData(haArray, true);
      ncfile.addVariable(g, ha);

      // add hybridb variable
      Variable hb = new Variable(ncfile, g, null, "hybridb");
      hb.setDataType(DataType.DOUBLE);
      hb.addAttribute(new Attribute("long_name",  "level_b_factor" ));
      //hb.addAttribute(new Attribute("standard_name", "atmosphere_hybrid_sigma_pressure_coordinate" ));
      hb.addAttribute(new Attribute("units", ""));
      hb.setDimensions(getVariableName());
      // add data
      double[] bdata = new double[ middle ];
      for( int i = 0; i < middle; i++ )
        bdata[ i ] = factors[ i + middle ];
      Array hbArray = Array.factory(DataType.DOUBLE, new int[]{bdata.length}, bdata);
      hb.setCachedData(hbArray, true);
      ncfile.addVariable(g, hb);
      */
    }
  }
Exemplo n.º 20
0
 public EnumTypedef(String name, Map<Integer, String> map) {
   this.name = NetcdfFile.makeValidCdmObjectName(name);
   this.map = map;
 }