Hi Sachin,
Thanks . After exploring those, I'll let you know what is the outcome.
Maswood
On Tue, Jul 29, 2008 at 12:59 PM, Sachin Kumar Bhate <
skbhate@xxxxxxxxxxxxxxx> wrote:
> The best way to open non-CF file in IDV is to make them CF-compliant
> by wrapping them in NcML. There is great tutorial on NcML at..
>
> http://www.unidata.ucar.edu/software/netcdf/ncml/
>
> As far as IDV nuts-n-bolts goes, there is an extensive tutorial by IDV
> folks
> on how to open various files and other usages..
>
> http://www.unidata.ucar.edu/software/idv/docs/userguide/toc.html#index.html
>
> -skb
>
> --
> Sachin Kumar Bhate, Research Associate
> MSU-High Performance Computing Collaboratory, NGI
> John C. Stennis Space Center, MS 39529
> http://www.northerngulfinstitute.org/
>
>
>
> Tom Whittaker wrote:
>
> Maswood --
>
> In the Data Choosers tab, open the "Data Source Type" list at the top
> of the panel and scroll down to "grids".
>
> Looking at your structure, you might need to make a couple of name
> changes (although I'm not sure anymore)....like "t" might need to be
> renamed "time" so the IDV recognizes that as time. I"m not sure
> about "z", but normally we use "altitude". Also your "y" and "x"
> should be renamed "lat" and "lon", and you probably need to add a
> "coordinate" attribute for the grids.
>
> Have a look at section 5.2 of the CF conventions:
> <http://cf-pcmdi.llnl.gov/documents/cf-conventions/1.3/ch05s02.html>
> <http://cf-pcmdi.llnl.gov/documents/cf-conventions/1.3/ch05s02.html>
>
> tom
>
> On Tue, Jul 29, 2008 at 10:19 AM, Maswood Hasan Mostafi
> <mostafi@xxxxxxxxx> <mostafi@xxxxxxxxx> wrote:
>
> Hi Tom,
>
> Thanks for the quick reply. It seems the convention is CF but still causes
> problem.
>
> How to select "grids (netcdf, ...)". Which menu bar ?
>
> I have attached a header dump of a file. Original file size is 170 MB , so
> could not attach that.
>
> Thanks again for the help.
>
> Maswood
>
> ======================================================
> netcdf C:\MamVisAD\EnviroData\Bathymetry\2\2 {
> dimensions:
> t = 577 ;
> z = 1 ;
> y = 321 ;
> x = 241 ;
> variables:
> float t(t) ;
> t:long_name = "time" ;
> t:units = "days since 1984-1-1 00:00:00" ;
> float z(z) ;
> z:long_name = "depth" ;
> z:units = "m" ;
> float y(y) ;
> y:long_name = "latitude" ;
> y:units = "degrees_north" ;
> float x(x) ;
> x:long_name = "longitude" ;
> x:units = "degrees_east" ;
> float eastward_sea_water_velocity(t, z, y, x) ;
> eastward_sea_water_velocity:long_name =
> "eastward_sea_water_velocity" ;
> eastward_sea_water_velocity:standard_name =
> "eastward_sea_water_velocity" ;
> eastward_sea_water_velocity:units = "m/s" ;
> eastward_sea_water_velocity:_FillValue = 1.#QNAN00f ;
> eastward_sea_water_velocity:add_offset = 0.f ;
> eastward_sea_water_velocity:scale_factor = 1.f ;
>
> // global attributes:
> :Conventions = "CF-1.0" ;
> :title = "MERSEA_NATL_ANAL" ;
> }
> =================================================================
>
>
>
> On Mon, Jul 28, 2008 at 10:58 AM, Tom Whittaker <whittaker@xxxxxxxx>
> <whittaker@xxxxxxxx> wrote:
>
> Generally, NetCDF files that are CF compliant will open and display
> without difficulty. Be sure to select the correct "type" (for
> example, "grids (netcdf, ...)". If that does not help, please send
> along at least a header dump (ncdump -h) of the file -- or post the
> file where we can have a look at it.
>
> tom
>
> On Mon, Jul 28, 2008 at 8:35 AM, Maswood Hasan Mostafi
> <mostafi@xxxxxxxxx> <mostafi@xxxxxxxxx> wrote:
>
> Hi,
>
> I have problems of viewing netCDF file using IDV. Just trying to open
> the
> file using the software
> is not working.Is there any particular way to open netCDF file using IDV
> ?
>
> Thanks
>
> Maswood
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>
>
> --
> Tom Whittaker
> University of Wisconsin-Madison
> Space Science & Engineering Center (SSEC)
> Cooperative Institute for Meteorological Satellite Studies (CIMSS)
> 1225 W. Dayton Street
> Madison, WI 53706 USA
> ph: +1 608 262 2759
>
>
>
