Re: [netcdf-java] Mime types for netCDF 3/4

  • To: Ryan May <rmay@xxxxxxxx>
  • Subject: Re: [netcdf-java] Mime types for netCDF 3/4
  • From: Aaron Braeckel <braeckel@xxxxxxxx>
  • Date: Tue, 18 Nov 2014 14:18:37 -0700
Interesting point.  I'm comfortable with that solution for my current cases.

Thanks,
Aaron

On Tue, Nov 18, 2014 at 12:25 PM, Ryan May <rmay@xxxxxxxx> wrote:

> Aaron,
>
> I guess it really comes down to what clients you have and how old. Any
> clients relying upon sufficiently recent versions of the C or Java netCDF
> libraries will be able to handle both. While everyone may be more
> familiar/comfortable with netcdf 3, I'm not sure what clients are in active
> use in your user-base that rely on an independent implementation of NetCDF
> support. In my experience, such code (independent netcdf implemetnation) is
> rare.
>
> Ryan
>
> On Tue, Nov 18, 2014 at 11:48 AM, Aaron Braeckel <braeckel@xxxxxxxx>
> wrote:
>
>> Hmmm my particular use case does not require both netCDF 3 and 4. I think
>> the more difficult portion is advertising what is being offered by the
>> service to consumers.  When a web service says it returns "netcdf" what
>> does that mean?  Is that netCDF 3 or 4?  As the size of the consumer base
>> gets larger their assumptions will differ regarding what
>> "application/x-netcdf" might mean.
>>
>> In my community I do not see clear signs that usage of netCDF 3 is
>> exactly disappearing, but perhaps you have a broader sense of how rapidly
>> that may be happening.
>>
>> Aaron
>>
>> On Tue, Nov 18, 2014 at 11:24 AM, Ryan May <rmay@xxxxxxxx> wrote:
>>
>>> Aaron,
>>>
>>> The NetCDF's intention was to use the single mimetype to cover both
>>> versions and make the version an transparent detail. Since the NetCDF
>>> library (and NetCDF-java) handle the different versions transparently, I'm
>>> curious: what is your use case for continuing to return netcdf 3 files?
>>>
>>> Ryan
>>>
>>> On Fri, Nov 14, 2014 at 1:27 PM, Aaron Braeckel <braeckel@xxxxxxxx>
>>> wrote:
>>>
>>>> Hello,
>>>>
>>>> an earlier thread was asking about the official netCDF mime type:
>>>> http://www.unidata.ucar.edu/mailing_lists/archives/netcdf-java/2013/msg00128.html.
>>>> This is pretty straightforward, but not as clear when it relates to netCDF
>>>> 4.  I use web services that need to both advertise file formats through a
>>>> mime type as well as allow for data to be requested in a variety of formats
>>>> through a mime type.  Is there a suggested way of discriminating between
>>>> netCDF 3 and 4 through mime types?
>>>>
>>>> Aaron
>>>>
>>>>
>>>>
>>>> _______________________________________________
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>>>>
>>>
>>>
>>>
>>> --
>>> Ryan May
>>> Software Engineer
>>> UCAR/Unidata
>>> Boulder, CO
>>>
>>
>>
>
>
> --
> Ryan May
> Software Engineer
> UCAR/Unidata
> Boulder, CO
>
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