public void augmentDataset(NetcdfDataset ds, CancelTask cancelTask) throws IOException { for (Variable v : ds.getVariables()) checkIfAxis(v); int year = ds.readAttributeInteger(null, "YEAR", -1); int doy = ds.readAttributeInteger(null, "DAY", -1); double time = ds.readAttributeDouble(null, "TIME", Double.NaN); if ((year > 0) && (doy > 0) && !Double.isNaN(time)) { Calendar cal = new GregorianCalendar(TimeZone.getTimeZone("UTC")); cal.clear(); cal.set(Calendar.YEAR, year); cal.set(Calendar.DAY_OF_YEAR, doy); int hour = (int) time; cal.set(Calendar.HOUR_OF_DAY, hour); time -= hour; time *= 60; int minute = (int) time; cal.set(Calendar.MINUTE, minute); time -= minute; time *= 60; cal.set(Calendar.SECOND, (int) time); VariableDS var = new VariableDS( ds, null, null, "timeFromAtts", DataType.LONG, "", "seconds since 1970-01-01 00:00", "time generated from global attributes"); // LOOK : cant handle scalar coordinates yet // var.addAttribute( new Attribute(_Coordinate.AxisType, AxisType.Time.toString())); ds.addVariable(null, var); ArrayLong.D0 data = new ArrayLong.D0(); data.set(cal.getTime().getTime() / 1000); var.setCachedData(data, true); } ds.finish(); }