[gradsusr] mercator grid in Grads

[Ghansham Sangar]

Yes its rectilinear but the spacing in degrees in latitude direction is
unequal
On 15 May 2015 19:25, "Jennifer Adams" <jma at cola.iges.org> wrote:

> Isn’t mercator a rectilinear grid? If not, then I guess you’ll need to
> create a PDEF file. —Jennifer
>
> On May 15, 2015, at 9:46 AM, Ghansham Sangar <ghanshamsangar at gmail.com>
> wrote:
>
> No its not the case. Grads 2.1 opens gridded hdf5 files. No issues in that
> case . My query is about datasets which arr projected in a map projection
> (mercator in my case).
> Regards
> Ghansham
> On 15 May 2015 19:12, "Jennifer Adams" <jma at cola.iges.org> wrote:
>
>> The sdfopen command will open some netcdf files, including netcdf4 (which
>> are hdf5 in disguise), but not hdf5. —Jennifer
>>
>>
>> On May 15, 2015, at 9:26 AM, Ghansham Sangar <ghanshamsangar at gmail.com>
>> wrote:
>>
>> Its a cf complaint hdf5 file...
>> On 15 May 2015 18:14, "Jennifer Adams" <jma at cola.iges.org> wrote:
>>
>>> You’ll need to create a descriptor file for that data format. Please see
>>> the documentation at http://iges.org/grads/gadoc/SDFdescriptorfile.html
>>> The dtype ‘hdf5_grid’ should work. The tool h5dump (it is part of the
>>> hdf5 library) is useful for seeing all the metadata in your file.
>>> —Jennifer
>>>
>>> On May 14, 2015, at 1:15 AM, Ghansham Sangar <ghanshamsangar at gmail.com>
>>> wrote:
>>>
>>> Sorry I want to display in grads
>>>
>>> On Thu, May 14, 2015 at 10:45 AM, Ghansham Sangar <
>>> ghanshamsangar at gmail.com> wrote:
>>>
>>>> R/Sir
>>>>
>>>> I have a mercator grid in cf complaint hdf5.
>>>> How to display it with ncl.
>>>>
>>>> regards
>>>>
>>>
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>>> --
>>> Jennifer M. Adams
>>> Center for Ocean-Land-Atmosphere Studies (COLA)
>>> 111 Research Hall, Mail Stop 2B3
>>> George Mason University
>>> 4400 University Drive
>>> Fairfax, VA 22030
>>>
>>>
>>>
>>>
>>>
>>>
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>> --
>> Jennifer M. Adams
>> Center for Ocean-Land-Atmosphere Studies (COLA)
>> 111 Research Hall, Mail Stop 2B3
>> George Mason University
>> 4400 University Drive
>> Fairfax, VA 22030
>>
>>
>>
>>
>>
>>
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>
> --
> Jennifer M. Adams
> Center for Ocean-Land-Atmosphere Studies (COLA)
> 111 Research Hall, Mail Stop 2B3
> George Mason University
> 4400 University Drive
> Fairfax, VA 22030
>
>
>
>
>
>
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