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[netCDFJava #JDB-235822]: Fwd: non-standard calendars in the IDV

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  • Subject: [netCDFJava #JDB-235822]: Fwd: non-standard calendars in the IDV
  • Date: Thu, 04 Oct 2012 17:36:09 -0600
Hi Don:

Theres no way to make java.util.Date do the right thing for non-standard 
calendars.
You have to use CoordinateAxis1DTime.getCalendarDates().
I am adding a deprecation on CalendarDate.toDate() to emphasize this.
Thanks for reporting.

John


> I put this in the debugger and it looks like CalendarDate.toDate() is
> not returning the right values (or at least what I would suspect are the
> right values).  For example, a CoordinateAxis1DTime with a 360_day
> calendar shows CalendarDates (cdates) as:
> 
> .....
> 1968-01-30T15:00:00.000Z, 1968-01-30T18:00:00.000Z,
> 1968-01-30T21:00:00.000Z, 1968-02-01T00:00:00.000Z,
> 1968-02-01T03:00:00.000Z, 1968-02-01T06:00:00.000Z,
> 1968-02-01T09:00:00.000Z, 1968-02-01T12:00:00.000Z,
> 1968-02-01T15:00:00.000Z, 1968-02-01T18:00:00.000Z,
> 1968-02-01T21:00:00.000Z,....
> 
> But the corresponding Date objects created from CalendarDate.toDate()
> (in CoordinateAxis1DTime.getTimeDates() - timeDates) end up as:
> 
> .....
> Tue Jan 30 08:00:00 MST 1968, Tue Jan 30 11:00:00 MST 1968,
> Tue Jan 30 14:00:00 MST 1968, Tue Jan 30 17:00:00 MST 1968,
> Tue Jan 30 20:00:00 MST 1968, Tue Jan 30 23:00:00 MST 1968,
> Wed Jan 31 02:00:00 MST 1968, Wed Jan 31 05:00:00 MST 1968,
> Wed Jan 31 08:00:00 MST 1968, Wed Jan 31 11:00:00 MST 1968,
> Wed Jan 31 14:00:00 MST 1968,....
> 
> (7 hour offset from Z time), whereas I would have expected them to be:
> 
> .....
> Tue Jan 30 08:00:00 MST 1968, Tue Jan 30 11:00:00 MST 1968,
> Tue Jan 30 14:00:00 MST 1968, Tue Jan 30 17:00:00 MST 1968,
> Tue Jan 30 20:00:00 MST 1968, Tue Jan 30 23:00:00 MST 1968,
> Thu Feb 01 02:00:00 MST 1968, Thu Feb 01 05:00:00 MST 1968,
> Thu Feb 01 08:00:00 MST 1968, Thu Feb 01 11:00:00 MST 1968,
> Thu Feb 01 14:00:00 MST 1968,....
> 
> Am I misunderstanding what CalendarDate.toDate() should be returning?
> 
> Don
> 
> 
> On 9/20/12 9:58 AM, Unidata netCDF Java Support wrote:
> >
> > Don Murray,
> >
> > Your Ticket has been received, and a Unidata staff member will review it 
> > and reply accordingly. Listed below are details of this new Ticket. Please 
> > make sure the Ticket ID remains in the Subject: line on all correspondence 
> > related to this Ticket.
> >
> >      Ticket ID: JDB-235822
> >      Subject: Fwd: non-standard calendars in the IDV
> >      Department: Support netCDF Java
> >      Priority: Normal
> >      Status: Open
> >
> >
> >
> > Please let us know how we can assist you further.
> >
> > Unidata User Support
> >
> 
> --
> Don Murray
> NOAA/ESRL/PSD and CIRES
> 303-497-3596
> http://www.esrl.noaa.gov/psd/people/don.murray/
> 
> 

Ticket Details
===================
Ticket ID: JDB-235822
Department: Support netCDF Java
Priority: Urgent
Status: Open