Re: [thredds] Station Data Subset Service vs. OPeNDAP constraint expressions

Forgot to mention that the pydap library for python also supports relational 
constraint expressions for sequences.

-Roy

On Oct 13, 2010, at 9:15 PM, Roy Mendelssohn wrote:

>> 
>> Id be interested in knowing which clients can handle relational constraint 
>> expressions? The NetCDF clients cannot, because it falls outside of the data 
>> model and API. I know you guys do a lot with relational databases, so its 
>> not surprising if your software does.  Ive been working almost exclusively 
>> on top of collections of files (netcdf, hdf, grib, bufr, etc). I have been 
>> on the lookout for new solutions, but for now it seems that people need 
>> services that run on top of those file collections.
>> 
>> Comments, please
>> 
> 
> Email exchange with dennis about whether the latest netcdf library with 
> opendap support can handle relational constraint expressions:
> 
>> The code should be able to handle relational
>> constraint expressions. To be frank, however,
>> I have only tested it on synthetic data
>> because I never could find any real data
>> that produced sequence data. This means
>> that there are probably some errors in it.
>> However, I am glad to work with you
>> to fix any bugs or other issues.
> 
> So anything that can link to the latest netcdf distribution with OpeNDAP 
> enabled has such capabilities.  
> 
> -Roy
> 
> 
> **********************
> "The contents of this message do not reflect any position of the U.S. 
> Government or NOAA."
> **********************
> Roy Mendelssohn
> Supervisory Operations Research Analyst
> NOAA/NMFS
> Environmental Research Division
> Southwest Fisheries Science Center
> 1352 Lighthouse Avenue
> Pacific Grove, CA 93950-2097
> 
> e-mail: Roy.Mendelssohn@xxxxxxxx (Note new e-mail address)
> voice: (831)-648-9029
> fax: (831)-648-8440
> www: http://www.pfeg.noaa.gov/
> 
> "Old age and treachery will overcome youth and skill."
> "From those who have been given much, much will be expected" 
> 

**********************
"The contents of this message do not reflect any position of the U.S. 
Government or NOAA."
**********************
Roy Mendelssohn
Supervisory Operations Research Analyst
NOAA/NMFS
Environmental Research Division
Southwest Fisheries Science Center
1352 Lighthouse Avenue
Pacific Grove, CA 93950-2097

e-mail: Roy.Mendelssohn@xxxxxxxx (Note new e-mail address)
voice: (831)-648-9029
fax: (831)-648-8440
www: http://www.pfeg.noaa.gov/

"Old age and treachery will overcome youth and skill."
"From those who have been given much, much will be expected" 



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