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[netCDFJava #MIY-264031]: gfs 384 data



Sorry - here is the file...

> Greetings Alex,
> 
> I've attached a sample java program that goes to our publicly accessible data 
> server and grabs temperature value from the CONUS GFS 80KM grid, and then 
> prints that value to the screen. To extend this simple program to data into 
> an array, which is what you would want to do, check out the following site:
> 
> https://www.unidata.ucar.edu/software/netcdf-java/tutorial/NetcdfFile.html 
> (particularly the section on "Manipulating data in Arrays")
> 
> and
> 
> https://www.unidata.ucar.edu/software/netcdf-java/tutorial/NetcdfDataset.html 
> (NetcdfDataset.openFile is what the example java file uses)
> 
> as well as the general info in the tutorial here:
> 
> https://www.unidata.ucar.edu/software/netcdf-java/tutorial/index.html
> 
> Cheers!
> 
> Sean
> 
> > Hey,
> >
> > Thanks for the links will check it out.
> >
> > I am downloading files from the website.  Raw data is in grib/grib2 format.
> > Now that we on the topic, can you point me to the java api for random
> > access directly on the server, so I can only reap out the fields I need, if
> > that is possible at all.
> >
> > Thanks in advance, Alex.
> >
> >
> > address@hidden> wrote:
> >
> > > Greetings Alex,
> > >
> > > > Hi Sean,
> > > >
> > > > Thank you very much for the reply.  To answer your questions.
> > > >
> > > > Yes, I am reading gfs data.
> > >
> > > Where do you get the data? From a website, your own model run? Is the raw
> > > data format in netCDF, grib?
> > >
> > > > I am planning to compare the runs, once the data extracted.
> > > >
> > > > I would like to keep the program 100% java if possible, which is reading
> > > > the files, processing and saving.
> > > >
> > >
> > > Keeping things 100% java should not be a problem. It may help to read
> > > through some example programs (
> > > http://www.unidata.ucar.edu/software/netcdf/examples/programs/) using
> > > netCDF-Java to read files and access data, especially the following 
> > > example
> > > (
> > > http://www.unidata.ucar.edu/software/netcdf/examples/programs/Sfc_pres_temp_rd.java).
> > > If you are able to open your files and read data from the variables, it
> > > should be relatively straightforward to dump the data you need to a format
> > > of your choice.
> > >
> > > Cheers,
> > >
> > > Sean
> > >
> > > >
> > > >
> > > > Regards,
> > > >
> > > > Alex Friedman
> > > >
> > > > address@hidden> wrote:
> > > >
> > > > > Greetings Alex,
> > > > >
> > > > > > Hi,
> > > > > >
> > > > > > I am very new to the api.
> > > > >
> > > > > Welcome to netCDF-Java!
> > > > >
> > > > > >  My ultimate goal is to translate raw gfs data
> > > > > > into a table in memory with 3 columns long, lat and temp.
> > > > > > Is this doable using java api?  Could you point me to the right
> > > > > direction?
> > > > > >
> > > > > > I am parsing the file fine and creating the dataset, I am having
> > > problems
> > > > > > understanding how I can output the table and what classes should I
> > > use.
> > > > >
> > > > > If I understand correctly, you wish to extract long, lat, and temp, 
> > > > > and
> > > > > save the data in something like a comma delimited ASCII file? This is
> > > > > indeed possible; however, for clarification purposes, what is your
> > > planned
> > > > > use for the data once you have extracted long, lat, and temp? Also,
> > > where
> > > > > are you obtaining the GFS data? I ask because their may be a very easy
> > > way
> > > > > to get what you desire.
> > > > >
> > > > > Cheers!
> > > > >
> > > > > Sean
> > > > >
> > > > > >
> > > > > > Thank you in advance,
> > > > > >
> > > > > > Alex.
> > > > > >
> > > > > >
> > > > >
> > > > >
> > > > > Ticket Details
> > > > > ===================
> > > > > Ticket ID: MIY-264031
> > > > > Department: Support netCDF Java
> > > > > Priority: High
> > > > > Status: Open
> > > > >
> > > > >
> > > >
> > > >
> > >
> > >
> > > Ticket Details
> > > ===================
> > > Ticket ID: MIY-264031
> > > Department: Support netCDF Java
> > > Priority: High
> > > Status: Open
> > >
> > >
> >
> >
> 


Ticket Details
===================
Ticket ID: MIY-264031
Department: Support netCDF Java
Priority: High
Status: Open

Attachment: openDapExample.java
Description: Binary data