Package xbird.xquery.dm.coder

Examples of xbird.xquery.dm.coder.DTMTreeBuilder$Attribute

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     * _more_
     *
     * @return _more_
     */
    public String getRadarID() {
        Attribute ga = ds.findGlobalAttribute("Station");
        if (ga != null) {
            return ga.getStringValue();
        } else {
            return "XXXX";
        }
    }
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     * _more_
     *
     * @return _more_
     */
    public String getRadarName() {
        Attribute ga = ds.findGlobalAttribute("StationName");
        if (ga != null) {
            return ga.getStringValue();
        } else {
            return "Unknown Station";
        }
    }
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  public RafTrajectoryObsDataset( NetcdfDataset ncf) throws IOException
  {
    super( ncf );

    Attribute conventionsAtt = ncf.findGlobalAttribute( "Conventions" );
    if ( conventionsAtt == null )
      conventionsAtt = ncf.findGlobalAttributeIgnoreCase( "Conventions" );
    if ( conventionsAtt == null)
      throw new IllegalArgumentException( "File <" + ncf.getId() + "> not a \"NCAR-RAF/nimbus\" convention file." );
    if ( ! conventionsAtt.getStringValue().equals( "NCAR-RAF/nimbus" ) )
      throw new IllegalArgumentException( "File <" + ncf.getId() + "> not a \"NCAR-RAF/nimbus\" convention file." );

    Attribute versionAtt = ncf.findGlobalAttributeIgnoreCase( "Version" );
    if ( versionAtt.getStringValue().equals( "1.2"))
    {
      timeDimName = "Time";
      timeVarName = "time_offset";

      latVarName = "LAT";
      lonVarName = "LON";
      elevVarName = "ALT";

      // Determine and set the units (base time) for the time variable.
      String baseTimeVarName = "base_time";
      Variable baseTimeVar = ncfile.findVariable( baseTimeVarName );
      int baseTime = baseTimeVar.readScalarInt();
      Date baseTimeDate;
      if ( baseTime != 0 )
      {
        String baseTimeString = baseTime + " seconds since 1970-01-01T00:00:00";
        baseTimeDate = DateUnit.getStandardDate( baseTimeString );
      }
      else
      {
        Calendar calendar = Calendar.getInstance( TimeZone.getTimeZone( "GMT" ), Locale.US );

        // Read in start point date/time information and create java.util.Date
        Array yearArray, monthArray, dayArray, hourArray, minuteArray, secondArray, tmpTimeArray;
        try
        {
          yearArray = ncf.findVariable( "YEAR" ).read( "0" );
          monthArray = ncf.findVariable( "MONTH" ).read( "0" );
          dayArray = ncf.findVariable( "DAY" ).read( "0" );
          hourArray = ncf.findVariable( "HOUR" ).read( "0" );
          minuteArray = ncf.findVariable( "MINUTE" ).read( "0" );
          secondArray = ncf.findVariable( "SECOND" ).read( "0" );
          tmpTimeArray = ncf.findVariable( timeVarName).read( "0" );
        }
        catch ( InvalidRangeException e )
        {
          throw new IOException( "Failed while reading first value of YEAR, MONTH, DAY, HOUR, MINUTE, SECOND, or time_offset: " + e.getMessage() );
        }

        calendar.clear();
        calendar.set( Calendar.YEAR, (int) yearArray.getFloat( yearArray.getIndex() ) );
        calendar.set( Calendar.MONTH, (int) monthArray.getFloat( monthArray.getIndex() ) );
        calendar.set( Calendar.DAY_OF_MONTH, (int) dayArray.getFloat( dayArray.getIndex() ) );
        calendar.set( Calendar.HOUR_OF_DAY, (int) hourArray.getFloat( hourArray.getIndex() ) );
        calendar.set( Calendar.MINUTE, (int) minuteArray.getFloat( minuteArray.getIndex() ) );
        calendar.set( Calendar.SECOND, (int) secondArray.getFloat( secondArray.getIndex() ) );
        calendar.set( Calendar.MILLISECOND, 0 );
        // Calculating base time so subtract seconds in time variable first value.
        calendar.add( Calendar.SECOND, - (int) tmpTimeArray.getFloat( tmpTimeArray.getIndex() ));
        baseTimeDate = calendar.getTime();
      }

      DateFormatter formatter = new DateFormatter();             
      String timeUnitsString = "seconds since " + formatter.toDateTimeStringISO( baseTimeDate );
      ncfile.findVariable( timeVarName ).addAttribute( new Attribute( "units", timeUnitsString ) );

      // Make sure alt units are "meters" convertible.
      String elevVarUnitsString = ncfile.findVariable( elevVarName ).findAttribute( "units").getStringValue();
      if ( ! SimpleUnit.isCompatible( elevVarUnitsString, "meters"))
      {
        if ( elevVarUnitsString.equals( "M"))
          ncfile.findVariable( elevVarName ).addAttribute( new Attribute( "units", "meters"));
      }
    }
    else if ( versionAtt.getStringValue().equals( "1.3" ) )
    {
      // Set default dimension and variable names.
      timeDimName = "Time";
      timeVarName = "Time";

      latVarName = "LAT";
      lonVarName = "LON";
      elevVarName = "ALT";

      // Set dimension and variable names as indicated by global attribute "coordinates".
      Attribute coordsAttrib = ncfile.findGlobalAttribute( "coordinates");
      if ( coordsAttrib != null )
      {
        String coordsAttribValue = coordsAttrib.getStringValue();
        if ( coordsAttribValue != null)
        {
          String[] varNames = coordsAttribValue.split( " ");
          latVarName = varNames[ 1];
          lonVarName = varNames[0];
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    return (v == null) ? null : v.getShortName();
  }

  static public String getNameOfVariableWithAttribute(Structure struct, String attName, String attValue) {
    for (Variable v : struct.getVariables()) {
      Attribute att = v.findAttributeIgnoreCase(attName);
      if ((att != null) && att.getStringValue().equals(attValue))
        return v.getShortName();
    }
    return null;
  }
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    return null;
  }

  static public Variable getVariableWithAttribute(Structure struct, String attName, String attValue) {
    for (Variable v : struct.getVariables()) {
      Attribute att = v.findAttributeIgnoreCase(attName);
      if ((att != null) && att.getStringValue().equals(attValue))
        return v;
    }
    return null;
  }
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  private String lonVarName;
  private String elevVarName;

  static public boolean isValidFile( NetcdfFile ds)
  {
    Attribute cdmDtAtt = ds.findGlobalAttributeIgnoreCase( "cdm_data_type");
    if ( cdmDtAtt == null )
      cdmDtAtt = ds.findGlobalAttributeIgnoreCase( "cdm_datatype");
    if ( cdmDtAtt == null ) return false;
    if ( ! cdmDtAtt.isString() ) return false;

    String cdmDtString = cdmDtAtt.getStringValue();
    if ( cdmDtString == null ) return false;
    if ( ! cdmDtString.equalsIgnoreCase( FeatureType.TRAJECTORY.toString() ))
      return false;

    Attribute conventionsAtt = ds.findGlobalAttributeIgnoreCase( "Conventions");
    if ( conventionsAtt == null) return( false);
    if ( ! conventionsAtt.isString()) return( false);
    String convString = conventionsAtt.getStringValue();

    StringTokenizer stoke = new StringTokenizer( convString, "," );
    while ( stoke.hasMoreTokens() )
    {
      String toke = stoke.nextToken().trim();
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      return attributes;
    }

    public ucar.nc2.Attribute findAttributeIgnoreCase(String attName) {
      Iterator it = attributes.iterator();
      Attribute at = null;
      while (it.hasNext()) {
        at = (Attribute) it.next();
        if (attName.equalsIgnoreCase(at.getName()))
          break;
      }
      return at;
    }
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    return maxdist;
  }

  protected void setEarthLocation() {
    Attribute ga = ds.findGlobalAttribute("StationLatitude");
    if(ga != null )
        latv = ga.getNumericValue().doubleValue();
    else
        latv = 0.0;

    ga = ds.findGlobalAttribute("StationLongitude");
    if(ga != null)
        lonv = ga.getNumericValue().doubleValue();
    else
        lonv = 0.0;

    ga = ds.findGlobalAttribute("StationElevationInMeters");
    if(ga != null)
        elev = ga.getNumericValue().doubleValue();
    else
        elev = 0.0;

    origin = new ucar.unidata.geoloc.EarthLocationImpl(latv, lonv, elev);
  }
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  public ucar.unidata.geoloc.EarthLocation getCommonOrigin() {
    return origin;
  }

  public String getRadarID() {
    Attribute ga = ds.findGlobalAttribute("Station");
    if(ga != null)
        return ga.getStringValue();
    else
        return "XXXX";
  }
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    else
        return "XXXX";
  }

  public String getRadarName() {
    Attribute ga = ds.findGlobalAttribute("StationName");
    if(ga != null)
        return ga.getStringValue();
    else
        return "Unknown Station";
  }
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