Package ucar.nc2.iosp.nexrad2

Examples of ucar.nc2.iosp.nexrad2.NexradStationDB$Station

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            makeVariable2( ncfile, Level2Record.VELOCITY_HIGH, "RadialVelocity", "Radial Velocity", "V", volScan);

        if( volScan.getHighResSpectrumGroups() != null) {
            List<List<Level2Record>> gps = volScan.getHighResSpectrumGroups();
            List<Level2Record> gp = gps.get(0);
            Level2Record record = gp.get(0);
            if(v1 != null)
                makeVariableNoCoords( ncfile, Level2Record.SPECTRUM_WIDTH_HIGH, "SpectrumWidth_HI", "Radial Spectrum_HI", v1, record);
            if(v0 != null)
                makeVariableNoCoords( ncfile, Level2Record.SPECTRUM_WIDTH_HIGH, "SpectrumWidth", "Radial Spectrum", v0, record);
        }
    }

    List<List<Level2Record>> gps = volScan.getHighResDiffReflectGroups();
    if( gps != null) {
        makeVariable2( ncfile, Level2Record.DIFF_REFLECTIVITY_HIGH, "DifferentialReflectivity", "Differential Reflectivity", "D", volScan);
    }

    gps = volScan.getHighResCoeffocientGroups();
    if(gps != null) {
        makeVariable2( ncfile, Level2Record.CORRELATION_COEFFICIENT, "CorrelationCoefficient", "Correlation Coefficient", "C", volScan);
    }

    gps = volScan.getHighResDiffPhaseGroups();
    if( gps != null) {
        makeVariable2( ncfile, Level2Record.DIFF_PHASE, "DifferentialPhase", "Differential Phase", "P", volScan);
    }

    gps = volScan.getReflectivityGroups();
    if( gps != null) {
        makeVariable( ncfile, Level2Record.REFLECTIVITY, "Reflectivity", "Reflectivity", "R", volScan.getReflectivityGroups(), 0);
        int velocity_type =  (volScan.getDopplarResolution() == Level2Record.DOPPLER_RESOLUTION_HIGH_CODE) ? Level2Record.VELOCITY_HI : Level2Record.VELOCITY_LOW;
        Variable v = makeVariable( ncfile, velocity_type, "RadialVelocity", "Radial Velocity", "V", volScan.getVelocityGroups(), 0);
        gps = volScan.getVelocityGroups();
        List<Level2Record> gp = gps.get(0);
        Level2Record record = gp.get(0);
        makeVariableNoCoords( ncfile, Level2Record.SPECTRUM_WIDTH, "SpectrumWidth", "Spectrum Width", v, record);
    }
    if (volScan.getStationId() != null) {
      ncfile.addAttribute(null, new Attribute("Station", volScan.getStationId()));
      ncfile.addAttribute(null, new Attribute("StationName", volScan.getStationName()));
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    List<List<Level2Record>> firstGroup = new ArrayList<List<Level2Record>>(groups.size());
    List<List<Level2Record>> secondGroup = new ArrayList<List<Level2Record>>(groups.size());

    for(int i = 0; i < nscans; i++) {
        List<Level2Record> o = groups.get(i);
        Level2Record firstRecord = (Level2Record) o.get(0);
        int ol = o.size();
       
        if(ol >= 720 )
            firstGroup.add(o);
        else if(ol <= 360)
            secondGroup.add(o);
        else if( firstRecord.getGateCount(REFLECTIVITY_HIGH) > 500 || firstRecord.getGateCount(VELOCITY_HIGH) > 1000)
            firstGroup.add(o);
        else
            secondGroup.add(o);
    }
    if(firstGroup != null && firstGroup.size() > 0)
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      throw new IllegalStateException("No data for "+shortName+" file= "+ncfile.getLocation());
    }

    // get representative record
    List<Level2Record> firstGroup = groups.get(0);
    Level2Record firstRecord = firstGroup.get(0);
    int ngates = firstRecord.getGateCount(datatype);

    String scanDimName = "scan"+abbrev;
    String gateDimName = "gate"+abbrev;
    String radialDimName = "radial"+abbrev;
    Dimension scanDim = new Dimension(scanDimName, nscans);
    Dimension gateDim = new Dimension(gateDimName, ngates);
    Dimension radialDim = new Dimension(radialDimName, volScan.getMaxRadials(rd), true);
    ncfile.addDimension( null, scanDim);
    ncfile.addDimension( null, gateDim);
    ncfile.addDimension( null, radialDim);

    List<Dimension> dims = new ArrayList<Dimension>();
    dims.add( scanDim);
    dims.add( radialDim);
    dims.add( gateDim);

    Variable v = new Variable(ncfile, null, null, shortName);
    if(datatype == DIFF_PHASE){
        v.setDataType(DataType.SHORT);
    } else {
        v.setDataType(DataType.BYTE);
    }

    v.setDimensions(dims);
    ncfile.addVariable(null, v);

    v.addAttribute( new Attribute("units", getDatatypeUnits(datatype)));
    v.addAttribute( new Attribute("long_name", longName));


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

    v.addAttribute( new Attribute("missing_value", missingArray));
    v.addAttribute( new Attribute("signal_below_threshold", BELOW_THRESHOLD));
    v.addAttribute( new Attribute("scale_factor", firstRecord.getDatatypeScaleFactor(datatype)));
    v.addAttribute( new Attribute("add_offset", firstRecord.getDatatypeAddOffset(datatype)));
    v.addAttribute( new Attribute("_Unsigned", "true"));
    if(rd == 1) {
       v.addAttribute( new Attribute("SNR_threshold" ,firstRecord.getDatatypeSNRThreshhold(datatype)));
    }
    v.addAttribute( new Attribute("range_folding_threshold" ,firstRecord.getDatatypeRangeFoldingThreshhold(datatype)));

    List<Dimension> dim2 = new ArrayList<Dimension>();
    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 = Level2Record.getDate( julianDays, 0);
    Date d = getDate(volScan.getTitleJulianDays(), volScan.getTitleMsecs());
    String units = "msecs since "+formatter.toDateTimeStringISO(d);

    timeVar.addAttribute( new Attribute("long_name", "time since base date"));
    timeVar.addAttribute( new Attribute("units", units));
    timeVar.addAttribute( new Attribute("missing_value", 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("units", "degrees"));
    elevVar.addAttribute( new Attribute("long_name", "elevation angle in degres: 0 = parallel to pedestal base, 90 = perpendicular"));
    elevVar.addAttribute( new Attribute("missing_value", 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("units", "degrees"));
    aziVar.addAttribute( new Attribute("long_name", "azimuth angle in degrees: 0 = true north, 90 = east"));
    aziVar.addAttribute( new Attribute("missing_value", 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("units", "m"));
    gateVar.addAttribute( new Attribute("long_name", "radial distance to start of gate"));
    gateVar.addAttribute( new Attribute(_Coordinate.AxisType, AxisType.RadialDistance.toString()));

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    int maxRadials = volScan.getMaxRadials(0);
    for (int i = 0; i < nscans; i++) {
      List scanGroup = (List) groups.get(i);
      int nradials = scanGroup.size();

      Level2Record first = null;
      for (int j = 0; j < nradials; j++) {
        Level2Record r =  (Level2Record) scanGroup.get(j);
        if (first == null) first = r;

        timeDataIter.setIntNext( r.data_msecs);
        elevDataIter.setFloatNext( r.getElevation());
        aziDataIter.setFloatNext( r.getAzimuth());

        if (r.data_msecs < last_msecs) logger.warn("makeCoordinateData time out of order "+r.data_msecs);
        last_msecs = r.data_msecs;
      }
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    int nscans = groups.size();
    for (int scan = 0; scan < nscans; scan++) {
      List scanGroup = (List) groups.get(scan);
      int nradials = scanGroup.size();

      Level2Record first = null;
      for (int j = 0; j < nradials; j++) {
        Level2Record r =  (Level2Record) scanGroup.get(j);
        if (first == null) first = r;

        int radial = r.radial_num-1;
        timeData.setInt( timeIndex.set(scan, radial), r.data_msecs);
        elevData.setFloat( elevIndex.set(scan, radial), r.getElevation());
        aziData.setFloat( aziIndex.set(scan, radial), r.getAzimuth());

        if (r.data_msecs < last_msecs) logger.warn("makeCoordinateData time out of order "+r.data_msecs);
        last_msecs = r.data_msecs;
      }
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    return data;
  }

  private void readOneScan(Level2Record[] mapScan, Range radialRange, Range gateRange, int datatype, IndexIterator ii) throws IOException {
    for (int i=radialRange.first(); i<=radialRange.last(); i+= radialRange.stride()) {
      Level2Record r = mapScan[i];
      readOneRadial(r, datatype, gateRange, ii);
    }
  }
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    private ucar.unidata.io.RandomAccessFile myRaf;
    // private Nidsheader.Vinfo myInfo;
    protected UFheader headerParser;

    public boolean isValidFile(ucar.unidata.io.RandomAccessFile raf) {
        UFheader localHeader = new UFheader();
        return (localHeader.isValidFile(raf));
    }
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    public void open(ucar.unidata.io.RandomAccessFile raf, ucar.nc2.NetcdfFile file,
                   ucar.nc2.util.CancelTask cancelTask) throws IOException {
        ncfile = file;
        myRaf = raf;

        headerParser = new UFheader();
        headerParser.read(myRaf, ncfile);
        //myInfo = headerParser.getVarInfo();
        HashMap variables = headerParser.variableGroup;

        Set vSet = variables.keySet();
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   * @param showCoords shoe the values of coordinate axes
   * @param uri        use this for the uri attribute; if null use getLocation().
   * @throws IOException on write error
   */
  public void writeNcMLG(java.io.OutputStream os, boolean showCoords, String uri) throws IOException {
    new NcMLGWriter().writeXML(this, os, showCoords, uri);
  }
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   * @param os  write to this Output Stream.
   * @param uri use this for the uri attribute; if null use getLocation().
   * @throws IOException
   */
  public void writeNcML(java.io.OutputStream os, String uri) throws IOException {
    new NcMLWriter().writeXML(this, os, uri);
  }
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