Package ucar.nc2.dataset

Examples of ucar.nc2.dataset.CoordinateSystem


    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++;
    }
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      v.addAttribute(ncatt);
    }

    // this is the case where its (probably) a Grid, and so _Coordinate.Axes has been assigned, but if
    // theres also a coordinates attribute, need to add that info
    Attribute axes = v.findAttribute("coordinates");
    Attribute _axes = v.findAttribute(_Coordinate.Axes);
    if ((null != axes) && (null != _axes)) {
      v.addAttribute(new Attribute(_Coordinate.Axes, axes.getStringValue() + " " + _axes.getStringValue()));
    }
  }
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    }

    setDimensions( dims);
    setDataType( DODSNetcdfFile.convertToNCType(array.bt));
    if (DODSNetcdfFile.isUnsigned( array.bt)) {
      addAttribute(new Attribute("_Unsigned", "true"));
    }

    DODSAttribute att = new DODSAttribute(_Coordinate.Axes, sbuff.toString());
    this.addAttribute( att);
  }
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        ds.addVariable(null, v);

        String xname = findCoordinateName(ds, AxisType.GeoX);
        String yname = findCoordinateName(ds, AxisType.GeoY);
        if (xname != null && yname != null)
          v.addAttribute(new Attribute(_Coordinate.Axes, xname + " " + yname));
      }
      ds.finish();
    }
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        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();
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  public Nimbus() {
    this.conventionName = "NCAR-RAF/nimbus";
  }

  public void augmentDataset(NetcdfDataset ds, CancelTask cancelTask) throws IOException {
    ds.addAttribute(null, new Attribute("cdm_data_type", ucar.nc2.constants.FeatureType.TRAJECTORY.name()));

    if (!setAxisType(ds, "LATC", AxisType.Lat))
      if (!setAxisType(ds, "LAT", AxisType.Lat))
        setAxisType(ds, "GGLAT", AxisType.Lat);

    if (!setAxisType(ds, "LONC", AxisType.Lon))
      if (!setAxisType(ds, "LON", AxisType.Lon))
        setAxisType(ds, "GGLON", AxisType.Lon);

    if (!setAxisType(ds, "PALT", AxisType.Height))
      setAxisType(ds, "GGALT", AxisType.Height);

    boolean hasTime = setAxisType(ds, "Time", AxisType.Time);
    if (!hasTime)
      hasTime = setAxisType(ds, "time", AxisType.Time);

    // 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()));
        }
      }
    }

  }
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  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;
  }
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                                  (String) headerInfo.get( HeaderInfoTitle.DATA_SET_ID.toString() ) );
    recordSizeInBytes = Integer.parseInt( (String) headerInfo.get( HeaderInfoTitle.RECORD_BYTES.toString() ) );
    numRecords = Integer.parseInt( (String) headerInfo.get( HeaderInfoTitle.NUM_RECORDS.toString() ) );
    numHeaderRecords = Integer.parseInt( (String) headerInfo.get( HeaderInfoTitle.NUM_HEADER_RECORDS.toString() ) );
    numDataRecords = Integer.parseInt( (String) headerInfo.get( HeaderInfoTitle.NUM_DATA_RECORDS.toString() ) );
    numDataRecordsDim = new Dimension( this.numDataRecordsDimName,
                                       numDataRecords, true, true, false );
    numArtificialDataRecords = Integer.parseInt( (String) headerInfo.get( HeaderInfoTitle.NUM_ARTIFICIAL_DATA_RECORDS.toString() ) );
    if ( numHeaderRecords + numDataRecordsDim.getLength() + numArtificialDataRecords != numRecords )
    {
      throw new IOException( "Invalid DMSP file: the number of header records <" + this.numHeaderRecords + ">, data records <" + this.numDataRecordsDim.getLength() + ">, and artificial data records <" + this.numArtificialDataRecords + "> is not equal to total records <" + this.numRecords + ">." );
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   * Parse the sensor information from the header.
   */
  private void handleSensorInformation()
  {
    numSamplesPerBand = Integer.parseInt( (String) headerInfo.get( HeaderInfoTitle.SAMPLES_PER_BAND.toString()) );
    numSamplesPerBandDim = new Dimension(
            this.numSamplesPerBandDimName,
            numSamplesPerBand);

    // Read nominal resolution information
    nominalResolutionAtt = new Attribute( nominalResolutionAttName,
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        int                        numZ  = 0;
        HashMap<String, Dimension> zDims = new HashMap<String, Dimension>();
        for (GradsDimension dim : dims) {
            String    name  = getVarName(dim);
            int       size  = dim.getSize();
            Dimension ncDim = new Dimension(name, size, true);
            ncFile.addDimension(null, ncDim);
            if (name.equals(ENS_VAR)) {
                v = new Variable(ncFile, null, null, name, DataType.STRING,
                                 name);
                v.addAttribute(new Attribute("standard_name", "ensemble"));
                v.addAttribute(new Attribute(_Coordinate.AxisType,
                                             AxisType.Ensemble.toString()));
                List<String> names =
                    gradsDDF.getEnsembleDimension().getEnsembleNames();
                String[] nameArray = new String[names.size()];
                for (int i = 0; i < nameArray.length; i++) {
                    nameArray[i] = names.get(i);
                }
                Array dataArray = Array.factory(DataType.STRING,
                                      new int[] { nameArray.length },
                                      nameArray);
                v.setCachedData(dataArray, false);
            } else {
                double[] vals = dim.getValues();
                v = new Variable(ncFile, null, null, name, DataType.DOUBLE,
                                 name);
                v.addAttribute(new Attribute("units", dim.getUnit()));
                if (name.equals(Y_VAR)) {
                    v.addAttribute(new Attribute("long_name", "latitude"));
                    v.addAttribute(new Attribute("standard_name",
                            "latitude"));
                    v.addAttribute(new Attribute("axis", "Y"));
                    sizeY = dim.getSize();
                    v.addAttribute(new Attribute(_Coordinate.AxisType,
                            AxisType.Lat.toString()));
                } else if (name.equals(X_VAR)) {
                    v.addAttribute(new Attribute("long_name", "longitude"));
                    v.addAttribute(new Attribute("standard_name",
                            "longitude"));
                    v.addAttribute(new Attribute("axis", "X"));
                    v.addAttribute(new Attribute(_Coordinate.AxisType,
                            AxisType.Lon.toString()));
                    sizeX = dim.getSize();
                } else if (name.equals(Z_VAR)) {
                    numZ = size;
                    zDims.put(name, ncDim);
                    v.addAttribute(new Attribute("long_name", "level"));
                    addZAttributes(dim, v);
                } else if (name.equals(TIME_VAR)) {
                    v.addAttribute(new Attribute("long_name", "time"));
                    v.addAttribute(new Attribute(_Coordinate.AxisType,
                            AxisType.Time.toString()));
                }
                ArrayDouble.D1 varArray = new ArrayDouble.D1(size);
                for (int i = 0; i < vals.length; i++) {
                    varArray.set(i, vals[i]);
                }
                v.setCachedData(varArray, false);
            }
            ncFile.addVariable(null, v);
        }
        if (numZ > 0) {
            GradsDimension zDim = gradsDDF.getZDimension();
            double[]       vals = zDim.getValues();
            for (GradsVariable var : vars) {
                int nl = var.getNumLevels();
                if ((nl > 0) && (nl != numZ)) {
                    String name = Z_VAR + nl;
                    if (zDims.get(name) == null) {
                        Dimension ncDim = new Dimension(name, nl, true);
                        ncFile.addDimension(null, ncDim);
                        Variable vz = new Variable(ncFile, null, null, name,
                                          DataType.DOUBLE, name);
                        vz.addAttribute(new Attribute("long_name", name));
                        vz.addAttribute(new Attribute("units",
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Related Classes of ucar.nc2.dataset.CoordinateSystem

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