Examples of ucar.nc2.dt.GridDatatype

ucar.nc2.units.TimeUnit
Interface for scientific datatype Grid. @author caron

      Date d = format.parse(dateS+timeS);
      VariableDS time = new VariableDS(ds, vhrr, null, "time", DataType.LONG, "",
          "seconds since 1970-01-01 00:00", "time generated from PRODUCT_METADATA/PRODUCT_DETAILS");


      time.addAttribute( new Attribute(_Coordinate.AxisType, AxisType.Time.toString())); // // LOOK : cant handle scalar coordinates yet ??
      time.addAttribute( new Attribute("IsoDate", new DateFormatter().toDateTimeStringISO(d)));
      ds.addVariable(vhrr, time);
      ArrayLong.D0 timeData = new ArrayLong.D0();
      timeData.set(d.getTime() / 1000);
      time.setCachedData(timeData, true);

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      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("Conventions", _Coordinate.Convention));
    ncfile.addAttribute(null, new Attribute("format", volScan.getDataFormat()));
    //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("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."));

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      ct.setCachedData(data, true);
      ncfile.addVariable(null, ct);
      */
    }


    DateFormatter formatter = new DateFormatter();


    ncfile.addAttribute(null, new Attribute("Conventions", _Coordinate.Convention));
    ncfile.addAttribute(null, new Attribute("format", volScan.getDataFormat()));
    ncfile.addAttribute(null, new Attribute("cdm_data_type", FeatureType.RADIAL.toString()));
    Date d = 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(d)));
    ncfile.addAttribute(null, new Attribute("time_coverage_end", formatter.toDateTimeStringISO(volScan.getEndDate())));


    ncfile.addAttribute(null, new Attribute("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."));

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      boundingBox = geoCoverage.getBoundingBox();
    else // otherwise, stationHelper constructs from the station locations
      boundingBox = stationHelper.getBoundingBox();


    // get the date range if possible
    DateRange timeCoverage = invds.getTimeCoverage();
    if (timeCoverage != null) {
      startDate = timeCoverage.getStart().getDate();
      endDate = timeCoverage.getEnd().getDate();
    } else {
      startDate = new Date(0); // fake
      endDate = new Date();
    }

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    Attribute versionAtt = startElement.getAttributeByName( CatalogElementNames.CatalogElement_Version );
    String versionString = versionAtt != null ? versionAtt.getValue() : null;
    Attribute expiresAtt = startElement.getAttributeByName( CatalogElementNames.CatalogElement_Expires );
    String expiresString = expiresAtt != null ? expiresAtt.getValue() : null;
    DateType expires = null;
    try {
      expires = expiresString != null ? new DateType( expiresString, null, null ) : null;
    }
    catch ( ParseException e )
    {
      String msg = "Failed to parse catalog expires date [" + expiresString + "].";
      ThreddsXmlParserIssue issue = StaxThreddsXmlParserUtils.createIssueForException( msg, this.reader, e );
      log.warn( "parseStartElement(): " + issue.getMessage(), e );
      // ToDo Gather issues rather than throw exception.
      throw new ThreddsXmlParserException( issue );
    }
    Attribute lastModifiedAtt = startElement.getAttributeByName( CatalogElementNames.CatalogElement_LastModified );
    String lastModifiedString = lastModifiedAtt != null ? lastModifiedAtt.getValue() : null;
    DateType lastModified = null;
    try {
      lastModified = lastModifiedString != null ? new DateType( lastModifiedString, null, null ) : null;
    }
    catch ( ParseException e )
    {
      String msg = "Failed to parse catalog lastModified date [" + lastModifiedString + "].";
      ThreddsXmlParserIssue issue = StaxThreddsXmlParserUtils.createIssueForException( msg, this.reader, e );

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      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();
        }

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    return " ";
  }


 private String isUdunits(String unit) {
    try {
      new DateUnit(unit);
      return "date";
    } catch (Exception e) {
      // ok
    }

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                uStart = description.lastIndexOf("(");
                if (uStart >= 0 && uEnd > uStart) {
                    String possibleUnitName = description.substring(uStart
                                                  + 1, uEnd);
                    try {
                        SimpleUnit u = SimpleUnit.factoryWithExceptions(
                                           possibleUnitName);
                        unitName = possibleUnitName;
                    } catch (Exception e) {
                        unitName = null;
                    }

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      return "time";
    } catch (Exception e) {
      // ok
    }


    SimpleUnit su = SimpleUnit.factory(unit);
    if (null == su) return "false";
    return su.getCanonicalString();
  }

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    } catch (Exception e) {
      // ok
    }


    try {
      new TimeUnit(unit);
      return "time";
    } catch (Exception e) {
      // ok
    }

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