[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

[netCDFJava #UMK-573705]: CFPointObWriter

This archive contains answers to questions sent to Unidata support through mid-2025. Note that the archive is no longer being updated. We provide the archive for reference; many of the answers presented here remain technically correct, even if somewhat outdated. For the most up-to-date information on the use of NSF Unidata software and data services, please consult the Software Documentation first.

  • Subject: [netCDFJava #UMK-573705]: CFPointObWriter
  • Date: Mon, 27 Dec 2010 12:05:29 -0700
yes, i would. 

> John-
> 
> I committed the change to the RB4.2 branch.  Should I be using the trunk
> again now that you've released the maven changes?
> 
> Don
> 
> On 12/23/10 4:55 PM, Unidata netCDF Java Support wrote:
> > ok with me.
> >
> > WriterCFPointDataset tries to do streaming, but the problem is that it 
> > needs to know numrec ahead of time. So its only useful when data can be 
> > read into memory at once. The other problem is that its an older form of 
> > CF, so it will eventually be out of date. but it should work ok for now. 
> > You might just check that the output can be read back into CDM ok, but im 
> > pretty sure it does.
> >
> >> I have a change for WriterCFPointDataset which uses double for time
> >> which is working fine.  I can check that in if you agree to the change.
> >>
> >> Don
> >>
> >> On 12/23/10 3:30 PM, Unidata netCDF Java Support wrote:
> >>> Hi Don: Im afraid I dont have a good answer for you, but Ill try to 
> >>> finish up a new class (StructureDataAscii) that should be useful.
> >>>
> >>> John
> >>>
> >>>> John-
> >>>>
> >>>> The IDV and RAMADDA currently use CFPointObWriter to convert VisAD point
> >>>> data to netCDF.  I was using this the other day, but ran into a problem
> >>>> where the time was wrong because it creates the time variable as an int
> >>>> and the values I have are dates around 1900 which fall outside the
> >>>> bounds of ints.
> >>>>
> >>>> I see that you've deprecated CFPointObWriter in favor of
> >>>> WriterCFPointCollection and I was looking at updating to this since it
> >>>> stores time as a double, not int.  So, a couple of questions:
> >>>>
> >>>> - I see that the Convention in WriterCFPointCollection is CF-1.6 which
> >>>> is not an official version.  Is this code ready for prime time?
> >>>>
> >>>> - if so, can you provide a snippet of code to show how to use it instead
> >>>> of CFPointObWriter?
> >>>>
> >>>> - if not, is there a problem converting WriterCFPointDataset to use
> >>>> double instead of int for time?  I'd be willing to do the work (looks
> >>>> pretty straightforward), but if that would be a waste of time and the
> >>>> other can be made workable quickly, I'd opt for migrating to
> >>>> WriterCFPointCollection.
> >>>>
> >>>> Let me know the best path for this.
> >>>>
> >>>> Thanks,
> >>>>
> >>>> Don
> >>>> --
> >>>> Don Murray
> >>>> NOAA/ESRL/PSD and CIRES
> >>>> 303-497-3596
> >>>> http://www.esrl.noaa.gov/psd/people/don.murray/
> >>>>
> >>>>
> >>>
> >>>
> >>> Ticket Details
> >>> ===================
> >>> Ticket ID: UMK-573705
> >>> Department: Support netCDF Java
> >>> Priority: High
> >>> Status: Open
> >>>
> >>
> >> --
> >> Don Murray
> >> NOAA/ESRL/PSD and CIRES
> >> 303-497-3596
> >> http://www.esrl.noaa.gov/psd/people/don.murray/
> >>
> >>
> >
> >
> > Ticket Details
> > ===================
> > Ticket ID: UMK-573705
> > Department: Support netCDF Java
> > Priority: High
> > Status: Closed
> >
> 
> --
> Don Murray
> NOAA/ESRL/PSD and CIRES
> 303-497-3596
> http://www.esrl.noaa.gov/psd/people/don.murray/
> 
> 


Ticket Details
===================
Ticket ID: UMK-573705
Department: Support netCDF Java
Priority: High
Status: Open