How to use

getCalendar

method

in

ucar.nc2.time.CalendarDate

private CalendarDateRange(CalendarDate start, CalendarDate end) {
 this.start = start;
 this.end = end;
 this.startDt = start.getDateTime();
 this.endDt = end.getDateTime();
 this.cal = start.getCalendar();
 assert this.cal == end.getCalendar();
}

private CalendarDateRange(CalendarDate start, CalendarDate end) {
 this.start = start;
 this.end = end;
 this.startDt = start.getDateTime();
 this.endDt = end.getDateTime();
 this.cal = start.getCalendar();
 assert this.cal.equals(end.getCalendar());
}

private CalendarDateRange(CalendarDate start, CalendarDate end) {
 this.start = start;
 this.end = end;
 this.startDt = start.getDateTime();
 this.endDt = end.getDateTime();
 this.cal = start.getCalendar();
 assert this.cal.equals(end.getCalendar());
}

private CalendarDateUnit(Calendar calt, String dateUnitString) {
 dateUnitString = dateUnitString.trim();
 // dateUnitString = dateUnitString.replaceAll("\\s+", " ");  LOOK think about should we allow this ??
 dateUnitString = dateUnitString.toLowerCase();
 isCalendarField =  dateUnitString.startsWith(byCalendarString);
 if (isCalendarField) {
  dateUnitString = dateUnitString.substring(byCalendarString.length()).trim();
 }
 Matcher m = udunitPattern.matcher(dateUnitString);
 if (!m.matches()) {
  //System.out.printf("'%s' does not match regexp '%s'%n", dateUnitString, udunitPatternString);
  throw new IllegalArgumentException(dateUnitString + " does not match " + udunitPatternString);
 }
 unitString = m.group(1);
 periodField = CalendarPeriod.fromUnitString(unitString);
 int pos = dateUnitString.indexOf("since");
 String iso = dateUnitString.substring(pos + 5);
 baseDate = CalendarDateFormatter.isoStringToCalendarDate(calt, iso);
 // calendar might change !!
 calt = baseDate.getCalendar();
 this.cal = calt;
}

public ucar.nc2.time.Calendar getCalendar() {
 if (calendarDateRange != null)
  return calendarDateRange.getStart().getCalendar();  // LOOK
 return ucar.nc2.time.Calendar.getDefault();
}

private CalendarDateUnit(Calendar calt, String dateUnitString) {
 dateUnitString = dateUnitString.trim();
 // dateUnitString = dateUnitString.replaceAll("\\s+", " ");  LOOK think about should we allow this ??
 dateUnitString = dateUnitString.toLowerCase();
 isCalendarField =  dateUnitString.startsWith(byCalendarString);
 if (isCalendarField) {
  dateUnitString = dateUnitString.substring(byCalendarString.length()).trim();
 }
 Matcher m = udunitPattern.matcher(dateUnitString);
 if (!m.matches()) {
  //System.out.printf("'%s' does not match regexp '%s'%n", dateUnitString, udunitPatternString);
  throw new IllegalArgumentException(dateUnitString + " does not match " + udunitPatternString);
 }
 String unitString = m.group(1);
 period = CalendarPeriod.of(unitString);
 periodField = CalendarPeriod.fromUnitString(unitString);
 int pos = dateUnitString.indexOf("since");
 String iso = dateUnitString.substring(pos + 5);
 baseDate = CalendarDateFormatter.isoStringToCalendarDate(calt, iso);
 // calendar might change !!
 calt = baseDate.getCalendar();
 this.cal = calt;
}

public CalendarDateRange(CalendarDate start, long durationInSecs) {
 this.start = start;
 this.end = start.add((int) durationInSecs, CalendarPeriod.Field.Second );
 this.startDt = start.getDateTime();
 this.endDt = end.getDateTime();
 this.cal = start.getCalendar();
}

public CalendarDateRange(CalendarDate start, long durationInSecs) {
 this.start = start;
 this.end = start.add((int) durationInSecs, CalendarPeriod.Field.Second );
 this.startDt = start.getDateTime();
 this.endDt = end.getDateTime();
 this.cal = start.getCalendar();
}

public CalendarDateRange(CalendarDate start, long durationInSecs) {
 this.start = start;
 this.end = start.add((int) durationInSecs, CalendarPeriod.Field.Second );
 this.startDt = start.getDateTime();
 this.endDt = end.getDateTime();
 this.cal = start.getCalendar();
}

CdmrFeatureProto.CalendarDateRange.Builder encodeDateRange(CalendarDateRange dateRange) {
 CdmrFeatureProto.CalendarDateRange.Builder builder = CdmrFeatureProto.CalendarDateRange.newBuilder();
 builder.setStart(dateRange.getStart().getMillis());
 builder.setEnd(dateRange.getEnd().getMillis());
 Calendar cal = dateRange.getStart().getCalendar();
 builder.setCalendar(convertCalendar(cal));
 return builder;
}

private VariableDS makeOffsetCoordinate(NetcdfDataset result, Group group, String dimName, CalendarDate base, double[] values) {
 DataType dtype = DataType.DOUBLE;
 VariableDS timeVar = new VariableDS(result, group, null, dimName+"_offset", dtype, dimName, null, null); // LOOK could just make a CoordinateAxis1D
 timeVar.addAttribute(new Attribute(CDM.LONG_NAME, "offset hour from start of run for coordinate = " + dimName));
 timeVar.addAttribute(new ucar.nc2.Attribute("standard_name", "forecast_period"));
 timeVar.addAttribute(new ucar.nc2.Attribute(CF.CALENDAR, base.getCalendar().name() ));
 timeVar.addAttribute(new ucar.nc2.Attribute(CDM.UNITS, "hours since " + base));
 timeVar.addAttribute(new ucar.nc2.Attribute(CDM.MISSING_VALUE, Double.NaN));
 // construct the values
 int ntimes = values.length;
 ArrayDouble.D1 timeCoordVals = (ArrayDouble.D1) Array.factory( DataType.DOUBLE, new int[] {ntimes}, values);
 timeVar.setCachedData(timeCoordVals);
 group.addVariable(timeVar);
 return timeVar;
}

private VariableDS makeOffsetCoordinate(NetcdfDataset result, Group group, String dimName, CalendarDate base, double[] values) {
 DataType dtype = DataType.DOUBLE;
 VariableDS timeVar = new VariableDS(result, group, null, dimName+"_offset", dtype, dimName, null, null); // LOOK could just make a CoordinateAxis1D
 timeVar.addAttribute(new Attribute(CDM.LONG_NAME, "offset hour from start of run for coordinate = " + dimName));
 timeVar.addAttribute(new ucar.nc2.Attribute("standard_name", "forecast_period"));
 timeVar.addAttribute(new ucar.nc2.Attribute(CF.CALENDAR, base.getCalendar().name() ));
 timeVar.addAttribute(new ucar.nc2.Attribute(CDM.UNITS, "hours since " + base));
 timeVar.addAttribute(new ucar.nc2.Attribute(CDM.MISSING_VALUE, Double.NaN));
 // construct the values
 int ntimes = values.length;
 ArrayDouble.D1 timeCoordVals = (ArrayDouble.D1) Array.factory( DataType.DOUBLE, new int[] {ntimes}, values);
 timeVar.setCachedData(timeCoordVals);
 group.addVariable(timeVar);
 return timeVar;
}

private VariableDS makeRunTimeCoordinate(NetcdfDataset result, Group group, String dimName, CalendarDate base, double[] values) {
 DataType dtype = DataType.DOUBLE;
 VariableDS timeVar = new VariableDS(result, group, null, dimName+"_run", dtype, dimName, null, null); // LOOK could just make a CoordinateAxis1D
 timeVar.addAttribute(new Attribute(CDM.LONG_NAME, "run times for coordinate = " + dimName));
 timeVar.addAttribute(new ucar.nc2.Attribute("standard_name", "forecast_reference_time"));
 timeVar.addAttribute(new ucar.nc2.Attribute(CF.CALENDAR, base.getCalendar().name() ));
 //timeVar.addAttribute(new ucar.nc2.Attribute(CDM.UNITS, "hours since " + base));    
 timeVar.addAttribute(new ucar.nc2.Attribute(CDM.UNITS, "hours since " + base.getTimeUnits()  ));

 timeVar.addAttribute(new ucar.nc2.Attribute(CDM.MISSING_VALUE, Double.NaN));
 timeVar.addAttribute(new ucar.nc2.Attribute(_Coordinate.AxisType, AxisType.RunTime.toString())); // if theres already a time coord, dont put in coordSys - too complicated
 // construct the values
 int ntimes = values.length;
 ArrayDouble.D1 timeCoordVals = (ArrayDouble.D1) Array.factory( DataType.DOUBLE, new int[] {ntimes}, values);
 timeVar.setCachedData(timeCoordVals);
 group.addVariable(timeVar);
 return timeVar;
}

private VariableDS makeRunTimeCoordinate(NetcdfDataset result, Group group, String dimName, CalendarDate base, double[] values) {
 DataType dtype = DataType.DOUBLE;
 VariableDS timeVar = new VariableDS(result, group, null, dimName+"_run", dtype, dimName, null, null); // LOOK could just make a CoordinateAxis1D
 timeVar.addAttribute(new Attribute(CDM.LONG_NAME, "run times for coordinate = " + dimName));
 timeVar.addAttribute(new ucar.nc2.Attribute("standard_name", "forecast_reference_time"));
 timeVar.addAttribute(new ucar.nc2.Attribute(CF.CALENDAR, base.getCalendar().name() ));
 //timeVar.addAttribute(new ucar.nc2.Attribute(CDM.UNITS, "hours since " + base));    
 timeVar.addAttribute(new ucar.nc2.Attribute(CDM.UNITS, "hours since " + base.getTimeUnits()  ));

 timeVar.addAttribute(new ucar.nc2.Attribute(CDM.MISSING_VALUE, Double.NaN));
 timeVar.addAttribute(new ucar.nc2.Attribute(_Coordinate.AxisType, AxisType.RunTime.toString())); // if theres already a time coord, dont put in coordSys - too complicated
 // construct the values
 int ntimes = values.length;
 ArrayDouble.D1 timeCoordVals = (ArrayDouble.D1) Array.factory( DataType.DOUBLE, new int[] {ntimes}, values);
 timeVar.setCachedData(timeCoordVals);
 group.addVariable(timeVar);
 return timeVar;
}

assert start.getCalendar() == Calendar.uniform30day;  // Using non-default calendar.

CalendarDate expected = CalendarDate.parseISOformat(Calendar.gregorian.toString(), "2002-12-01T00:00:00Z"); // CF i guess
Assert.assertEquals(expected.getMillis(), date.getMillis());
Assert.assertEquals(expected.getCalendar(), date.getCalendar());
Assert.assertEquals(expected, date);

private VariableDS makeTimeCoordinate(NetcdfDataset result, Group group, String dimName, CalendarDate base, FmrcInvLite.ValueB valueb) {
 DataType dtype = DataType.DOUBLE;
 VariableDS timeVar = new VariableDS(result, group, null, dimName, dtype, dimName, null, null); // LOOK could just make a CoordinateAxis1D
 timeVar.addAttribute(new Attribute(CDM.LONG_NAME, "Forecast time for ForecastModelRunCollection"));
 timeVar.addAttribute(new ucar.nc2.Attribute("standard_name", "time"));
 timeVar.addAttribute(new ucar.nc2.Attribute(CF.CALENDAR, base.getCalendar().name() ));    
 //timeVar.addAttribute(new ucar.nc2.Attribute(CDM.UNITS, "hours since " + base));    
 
 //Ensure a valid udunit  
 timeVar.addAttribute(new ucar.nc2.Attribute(CDM.UNITS, "hours since " + base.getTimeUnits()));
   
 timeVar.addAttribute(new ucar.nc2.Attribute(CDM.MISSING_VALUE, Double.NaN));
 timeVar.addAttribute(new ucar.nc2.Attribute(_Coordinate.AxisType, AxisType.Time.toString()));
 // construct the values
 int ntimes = valueb.offset.length;
 timeVar.setCachedData(Array.factory( DataType.DOUBLE, new int[] {ntimes}, valueb.offset));
 group.addVariable(timeVar);
 if (valueb.bounds != null) {
  String bname = timeVar.getShortName() + "_bounds";
  timeVar.addAttribute(new ucar.nc2.Attribute("bounds", bname));
  Dimension bd = ucar.nc2.dataset.DatasetConstructor.getBoundsDimension( result);
  VariableDS boundsVar = new VariableDS(result, group, null, bname, dtype, dimName+" " + bd.getShortName(), null, null);
  boundsVar.addAttribute(new Attribute(CDM.LONG_NAME, "bounds for "+ timeVar.getShortName()));
  boundsVar.setCachedData(Array.factory( DataType.DOUBLE, new int[] {ntimes, 2}, valueb.bounds));
  group.addVariable(boundsVar);
 }
 return timeVar;
}

private VariableDS makeTimeCoordinate(NetcdfDataset result, Group group, String dimName, CalendarDate base, FmrcInvLite.ValueB valueb) {
 DataType dtype = DataType.DOUBLE;
 VariableDS timeVar = new VariableDS(result, group, null, dimName, dtype, dimName, null, null); // LOOK could just make a CoordinateAxis1D
 timeVar.addAttribute(new Attribute(CDM.LONG_NAME, "Forecast time for ForecastModelRunCollection"));
 timeVar.addAttribute(new ucar.nc2.Attribute("standard_name", "time"));
 timeVar.addAttribute(new ucar.nc2.Attribute(CF.CALENDAR, base.getCalendar().name() ));    
 //timeVar.addAttribute(new ucar.nc2.Attribute(CDM.UNITS, "hours since " + base));    
 
 //Ensure a valid udunit  
 timeVar.addAttribute(new ucar.nc2.Attribute(CDM.UNITS, "hours since " + base.getTimeUnits()));
   
 timeVar.addAttribute(new ucar.nc2.Attribute(CDM.MISSING_VALUE, Double.NaN));
 timeVar.addAttribute(new ucar.nc2.Attribute(_Coordinate.AxisType, AxisType.Time.toString()));
 // construct the values
 int ntimes = valueb.offset.length;
 timeVar.setCachedData(Array.factory( DataType.DOUBLE, new int[] {ntimes}, valueb.offset));
 group.addVariable(timeVar);
 if (valueb.bounds != null) {
  String bname = timeVar.getShortName() + "_bounds";
  timeVar.addAttribute(new ucar.nc2.Attribute("bounds", bname));
  Dimension bd = ucar.nc2.dataset.DatasetConstructor.getBoundsDimension( result);
  VariableDS boundsVar = new VariableDS(result, group, null, bname, dtype, dimName+" " + bd.getShortName(), null, null);
  boundsVar.addAttribute(new Attribute(CDM.LONG_NAME, "bounds for "+ timeVar.getShortName()));
  boundsVar.setCachedData(Array.factory( DataType.DOUBLE, new int[] {ntimes, 2}, valueb.bounds));
  group.addVariable(boundsVar);
 }
 return timeVar;
}