[netCDF #ZCD-209044]: support for the new "geostationary" projection

Hi Randy:

Im starting to look at this, and I see that 

  
http://www.eumetsat.int/idcplg?IdcService=GET_FILE&dDocName=PDF_CGMS_03&RevisionSelectionMethod=LatestReleased.

from

  https://cf-pcmdi.llnl.gov/trac/ticket/72

is giving a 404. Do you have a copy of that doc? 

John



> Lansing et al:
> 
> How are you ?  Randy Horne here.
> 
> I am following up on an email I sent you 7 months ago regarding the recently 
> added "geostationary" projection. sorry for the delay, but things took WAY 
> longer than anticipated .
> 
> I finally have a decent "geostationary" projection dataset.  There is an 
> extra attribute added by the NetCDF library s/w because we are not creating 
> variables in the correct order, but hopefully it should not affect your 
> testing.
> 
> The file I am sending you is of the continental United States from the GOES 
> East slot at -75 degrees east longitude.  Note that the y and x coordinate 
> variables are scaled integers.  Also note that there is a "t" dimension, 
> which is set to 1, that is in the process of being removed from the product 
> because it is superfluous.
> 
> The resolution of the data is approximately 1 kilometer (28 micro radians 
> from the perspective of the satellite to be exact).  The GOES-R system will 
> be generating imagery at a variety of resolutions.
> 
> In addition to making available a netCDF file (.nc), I am also making 
> available a png file so you can see what it looks like without using netCDF 
> tools.  The image has plenty of contrast so it should be good enough to 
> verify the geostationary projection s/w you are writing works properly.  Let 
> me know if you need any additional information on the geostationary 
> projection…I have plenty of info that I can send you.
> 
> The .nc and .png files are available from the Harris Corporation web-site.  
> Here are the addresses you can paste into the browser URL field.
> 
> ftp.harris.com/pub/incoming/test.nc
> 
> ftp.harris.com/pub/incoming/test.png
> 
> 
> I understand you guys are probably busy with other things, but when you get 
> around to it, I would appreciate it if you let me know how things work out 
> with the dataset and the geostationary projection s/w you guys are writing.
> 
> 
> very respectfully,
> 
> randy
> 
> 
> 
> 
> On Apr 25, 2013, at 7:53 PM, Randy Horne <address@hidden> wrote:
> 
> > Lansing:
> >
> > Our I&T team is still working to put a "good" product file together.
> >
> > Sorry about the delay.
> >
> > As soon as we have a good/representative product file, I will let you know.
> >
> >
> > very respectfully,
> >
> > randy
> >
> >
> > On Apr 10, 2013, at 5:24 PM, Unidata netCDF Java Support wrote:
> >
> >> Hi Randy,
> >>
> >> John Caron is out of the office for a conference, but I'll step in and say 
> >> "yes," we'd like sample data sets.  I don't know how much he has done, but 
> >> we'll need the files regardless.  Where would they be available?
> >>
> >> Regards,
> >> Lansing Madry
> >> Unidata
> >> Boulder, Colorado
> >>
> >>> Dear Sir:
> >>>
> >>> My name is Randy Horne.  I am working the GOES-R ground segment program.
> >>>
> >>> I am a member of the cf_metadata and cf_satellite message groups.
> >>>
> >>> Last year, I was an active participant in the establishment of a new
> >>> earth projection to support data received from geostationary satellites.
> >>>
> >>> This new projection is "geostationary" and was approved.
> >>>
> >>> Shortly after it was approved, I believe Jon Caron (one of your guys)
> >>> worked on the "geostationary" projection software.  He asked us for some
> >>> test data sets, but at the time we did not have any.
> >>>
> >>> I had the impression Jon Caron was writing this software so Unidata
> >>> could add this new projection to the list of projections currently
> >>> supported (see
> >>>
> >>> http://www.unidata.ucar.edu/software/netcdf-java/v4.2/javadoc/
> >>>
> >>> Currently, the "geostationary" projection is not listed on this web
> >>> page.
> >>>
> >>> Can you provide me a status of where this effort is?
> >>>
> >>> Note that we now have test data sets available should they be needed.
> >>>
> >>> very respectfully,
> >>>
> >>> randy
> >>>
> >>>
> >>
> >>
> >> Ticket Details
> >> ===================
> >> Ticket ID: ZCD-209044
> >> Department: Support netCDF Java
> >> Priority: Normal
> >> Status: Open
> >>
> >
> >
> > ____________________________________
> >
> > Randy C. Horne (address@hidden)
> > Principal Engineer, Excalibur Laboratories Inc.
> > voice & fax: (321) 952.5100
> > url: http://www.excaliburlabs.com
> >
> >
> >
> >
> 
> 
> ____________________________________
> 
> Randy C. Horne (address@hidden)
> Principal Engineer, Excalibur Laboratories Inc.
> voice & fax: (321) 952.5100
> url: http://www.excaliburlabs.com
> 
> 
> 
> 
> 
> 

Ticket Details
===================
Ticket ID: ZCD-209044
Department: Support netCDF Java
Priority: Urgent
Status: Open