Examples of bsh.NameSpace$Variable

ucar.nc2.Variable
A namespace in which methods, variables, and imports (class names) live. This is package public because it is used in the implementation of some bsh commands. However for normal use you should be using methods on bsh.Interpreter to interact with your scripts.
A bsh.This object is a thin layer over a NameSpace that associates it with an Interpreter instance. Together they comprise a Bsh scripted object context.
Note: I'd really like to use collections here, but we have to keep this compatible with JDK1.1


    String timeVars = ds.findAttValueIgnoreCase(null, "timeVariables", "");
    StringTokenizer stoker = new StringTokenizer( timeVars, ", ");
    while (stoker.hasMoreTokens()) {
      String vname = stoker.nextToken();
      Variable v = ds.findVariable(vname);
      if (v != null) {
        v.addAttribute(new Attribute(_Coordinate.AxisType, AxisType.Time.toString()));
      } else {
        parseInfo.format(" cant find time variable %s\n", vname);
      }
    }


    String locVars = ds.findAttValueIgnoreCase(null, "stationLocationVariables", "");
    stoker = new StringTokenizer( locVars, ", ");
    int count = 0;
    while (stoker.hasMoreTokens()) {
      String vname = stoker.nextToken();
      Variable v = ds.findVariable(vname);
      if (v != null) {
        AxisType atype = count == 0 ? AxisType.Lat : count == 1 ? AxisType.Lon : AxisType.Height;
        v.addAttribute(new Attribute(_Coordinate.AxisType, atype.toString()));
      } else {
        parseInfo.format(" cant find time variable %s\n",vname);
      }
      count++;
    }

View Full Code Here

   */
  public AtmosLnPressure(NetcdfFile ds, Dimension timeDim, List<Parameter> params) {
    super(timeDim);


    String p0name = getParameterStringValue(params, P0);
    Variable p0var = ds.findVariable(p0name);
    double p0;
    try {
      p0 = p0var.readScalarDouble();
    } catch (IOException e) {
      throw new IllegalArgumentException("AtmosLnPressure failed to read "
          + p0name + " err= " + e.getMessage());
    }


    String levName = getParameterStringValue(params, LEV);
    Variable levVar = ds.findVariable(levName);


    try {
      Array lev = levVar.read();
      assert lev.getRank() == 1;
      pressure = new ArrayDouble.D1( (int) lev.getSize());
      IndexIterator ii = pressure.getIndexIterator();
      while (lev.hasNext()) {
        double result = p0 * Math.exp(-lev.nextDouble());

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    if (flatten) {
      ArrayStructure as = (ArrayStructure) data;


      // make list of names
      List<String> names = new ArrayList<String>();
      Variable nested = v;
      while (nested.isMemberOfStructure()) {
        names.add( 0, nested.getShortName());
        nested = nested.getParentStructure();
      }


      StructureMembers.Member m = findNested(as, names, v.getShortName());
      Array mdata = (Array) m.getDataArray();
      if (mdata instanceof ArraySequenceNested) {

View Full Code Here

    protected void findCoordinateAxes(NetcdfDataset ds) {


      for (VarProcess vp : varList) {
        if (vp.isCoordinateVariable) continue;


        Variable ncvar = vp.v;
        if (!(ncvar instanceof VariableDS)) continue; // cant be a structure


        String dimName = findAlias(ds, ncvar);
        if (dimName.length() == 0) // none
          continue;
        Dimension dim = ds.findDimension(dimName);
        if (null != dim) {
          vp.isCoordinateAxis = true;
          parseInfo.format(" Coordinate Axis added (alias) = %s for dimension %s\n", vp.v.getFullName(), dimName);
        }
      }


      // coordinates is an alias for _CoordinateAxes
      for (VarProcess vp : varList) {
        if (vp.coordAxes == null) { // dont override if already set
          String coordsString = ds.findAttValueIgnoreCase(vp.v, "coordinates", null);
          if (coordsString != null) {
            vp.coordinates = coordsString;
          }
        }
      }


      super.findCoordinateAxes(ds);


      /////////////////////////
      // now we start forcing
      HashMap<AxisType, VarProcess> map = new HashMap<AxisType, VarProcess>();


      // find existing axes, so we dont duplicate
      for (VarProcess vp : varList) {
        if (vp.isCoordinateAxis) {
          AxisType atype = getAxisType(ds, (VariableEnhanced) vp.v);
          if (atype != null)
            map.put(atype, vp);
        }
      }


      // look for time axes based on units
      if (map.get(AxisType.Time) == null) {
        for (VarProcess vp : varList) {
          Variable ncvar = vp.v;
          if (!(ncvar instanceof VariableDS)) continue; // cant be a structure
          String unit = ncvar.getUnitsString();


          if (SimpleUnit.isDateUnit(unit)) {
            vp.isCoordinateAxis = true;
            map.put(AxisType.Time, vp);
            parseInfo.format(" Time Coordinate Axis added (unit) = %s from unit %s\n", vp.v.getFullName(), unit);
            //break; // allow multiple time coords
          }
        }
      }


      // look for missing axes by using name hueristics
      for (VarProcess vp : varList) {
        if (vp.isCoordinateVariable) continue;
        Variable ncvar = vp.v;
        if (!(ncvar instanceof VariableDS)) continue; // cant be a structure


        AxisType atype = getAxisType(ds, (VariableEnhanced) vp.v);
        if (atype != null) {
          if (map.get(atype) == null) {

View Full Code Here


    protected AxisType getAxisType(NetcdfDataset ds, VariableEnhanced ve) {
      AxisType result = getAxisTypeCoards(ds, ve);
      if (result != null) return result;


      Variable v = (Variable) ve;
      String vname = v.getShortName();
      String unit = v.getUnitsString();
      if (unit == null) unit = "";
      String desc = v.getDescription();
      if (desc == null) desc = "";


      if (vname.equalsIgnoreCase("x") || findAlias(ds, v).equalsIgnoreCase("x"))
        return AxisType.GeoX;

View Full Code Here

   * @return true if we think this is a ATDRadarConvention file.
   */
  public static boolean isMine(NetcdfFile ncfile) {
    // not really sure until we can examine more files
    Dimension s = ncfile.findDimension("cedric_general_scaling_factor");
    Variable v = ncfile.findVariable("cedric_run_date");
    if(v != null && s != null)
        return true;
    else
        return false;
  }

View Full Code Here

    ct.addAttribute( new Attribute(_Coordinate.TransformType, "Projection"));
    ct.addAttribute( new Attribute(_Coordinate.Axes, "GeoX GeoY"));
    ncDataset.addVariable(null, ct);
  */
        NcMLReader.wrapNcMLresource(ncDataset, CoordSysBuilder.resourcesDir + "CEDRICRadar.ncml", cancelTask);
        Variable lat = ncDataset.findVariable("radar_latitude");
        Variable lon = ncDataset.findVariable("radar_longitude");
        float    latv = (float)lat.readScalarDouble();
        float    lonv = (float)lon.readScalarDouble();
        Variable pv = ncDataset.findVariable("Projection");
        pv.addAttribute(new Attribute("longitude_of_projection_origin", lonv) );
        pv.addAttribute(new Attribute("latitude_of_projection_origin", latv) );


        Variable sdate = ncDataset.findVariable("start_date");
        Variable stime = ncDataset.findVariable("start_time");
        Variable tvar = ncDataset.findVariable("time");
        String dateStr = sdate.readScalarString();
        String timeStr = stime.readScalarString();
        Date dt = null;
        try {
          dt = DateUtil.parse(dateStr + " " + timeStr);
        } catch (Exception e) {}


        int nt = 1;


        ArrayDouble.D1 data = new ArrayDouble.D1(nt);


        data.setDouble(0, dt.getTime()/1000);


        tvar.setCachedData(data, false);


        super.augmentDataset(ncDataset, cancelTask);


   //     System.out.println("here\n");

View Full Code Here


    // do we need to version this ?
    // String version =  ds.findAttValueIgnoreCase(null, "version", null);


    if (!hasTime) {
      Variable time = ds.findVariable("time_offset");
      if (time != null) {
        Variable base = ds.findVariable("base_time");
        int base_time = base.readScalarInt();
        try {
          DateUnit dunit = new DateUnit("seconds since 1970-01-01 00:00");
          String time_units = "seconds since " + dunit.makeStandardDateString(base_time);
          time.addAttribute(new Attribute("units", time_units));
          time.addAttribute(new Attribute(_Coordinate.AxisType, AxisType.Time.name()));
        } catch (Exception e) {
          e.printStackTrace();
        }
      }
    }


    // look for coordinates
    String coordinates = ds.findAttValueIgnoreCase(null, "coordinates", null);
    if (coordinates != null) {
      String[] vars = coordinates.split(" ");
      for (String vname : vars) {
        Variable v = ds.findVariable(vname);
        if (v != null) {
          AxisType atype = getAxisType(ds, (VariableEnhanced) v);
          if (atype != null)
            v.addAttribute(new Attribute(_Coordinate.AxisType, atype.name()));
        }
      }
    }


  }

View Full Code Here

    }


  }


  private boolean setAxisType(NetcdfDataset ds, String varName, AxisType atype) {
    Variable v = ds.findVariable(varName);
    if (v == null) return false;


    v.addAttribute(new Attribute(_Coordinate.AxisType, atype.toString()));
    return true;
  }

View Full Code Here

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


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


        v.addAttribute( new Attribute("units", firstRay.getDatatypeUnits(abbrev)));
        v.addAttribute( new Attribute("long_name", longName));
        v.addAttribute( new Attribute("abbrev", abbrev));
        v.addAttribute( new Attribute("missing_value", firstRay.getMissingData()));
        v.addAttribute( new Attribute("signal_below_threshold", firstRay.getDatatypeRangeFoldingThreshhold(abbrev)));
        v.addAttribute( new Attribute("scale_factor", firstRay.getDatatypeScaleFactor(abbrev)));
        v.addAttribute( new Attribute("add_offset", firstRay.getDatatypeAddOffset(abbrev)));
       // v.addAttribute( new Attribute("_Unsigned", "false"));


        v.addAttribute( new Attribute("range_folding_threshold" ,firstRay.getDatatypeRangeFoldingThreshhold(abbrev)));


        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 = firstRay.getDate();
        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", firstRay.getMissingData()));
        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", firstRay.getMissingData()));
        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", firstRay.getMissingData()));
        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) firstRay.getGateStart(abbrev), (double) firstRay.getGateSize(abbrev));
        gateVar.setCachedData( data, false);
        ncfile.addVariable(null, gateVar);
  //      radarRadius = firstRay.getGateStart(datatype) + ngates * firstRay.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()));


        // 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("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("long_name", "number of valid gates in this scan"));
        ncfile.addVariable(null, ngateVar);


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


        // back to the data variable

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