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

[IDV #QWY-927168]: IDV - coordinate requirements for gridded display

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 Note that the archive is no longer being updated. We provide the archive for reference; many of the answers presented here remain technically correct, even if somewhat outdated.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: [IDV #QWY-927168]: IDV - coordinate requirements for gridded display
  • Date: Wed, 02 Aug 2006 13:00:09 -0600
Hi Craig-

> Institution: National Center for Atmospheric Research
> Package Version: 1.3b2
> Operating System: Windows XP
> Hardware Information: Dell
> Inquiry: Hello,
> 
> I am working in the Climate and Global Dynamics division at NCAR with the 
> Biome-BGC climate data model and Daymet surface analyses, which generate 
> netcdf output in (npts,ndays) files, with the gridpoints based on a 1-to-10 
> km grid.  The latitudes and longitudes of the grid points aren't currently 
> saved in the output files, but are kept in a separate file.
> 
> Because the output is in (npts,ndays) format, I assume that to display 
> gridded output I will need to post-process the output to generate horizontal 
> grids of some kind.  Is there a specification to use to put the data into 
> displayable form?  e.g., do the latitudes and longitude arrays need to be in 
> the output files, or is there a generic display for a 2-D array?

We advocate the use of the CF (Climate and Forecast) conventions:

http://www.cgd.ucar.edu/cms/eaton/cf-metadata/CF-1.0.html

There are others at CGD who are familiar with this convention who could
help (Steve Aulenbach, Brian Eaton), but if you have more questions,
let us know.

Don Murray



Ticket Details
===================
Ticket ID: QWY-927168
Department: Support IDV
Priority: High
Status: Open