Re: PyNIO And NOAAPort Grids

Bryan,

This sounds like a possible bug. Can you provide us with
your python script and data?

--Mary

On Tue, 18 Nov 2008, Bryan Rockwood wrote:

> Mary,
>
> Again, thank you for the response. I have taken a look at nio04.py and it
> gave me the right direction to go. Of course, it has led to another
> question. I have set the level attribute as unlimited (i.e. Isobaric
> pressure) but the problem that I am running into now is that the levels are
> not being ingested in the proper order so they are all over the place (an
> examination of the array for pressure can be 20000, 100000, 90000, etc).
> When I go to extract a level from the file after the conversion is complete,
> I am getting bizarre answers. It is as if the level and the grid for that
> level are out of sync. Is there a proper way to insert a new level so that
> the order is correct?
>
> Bryan
>
> Mary Haley wrote:
>> Bryan,
>>
>> See example nio04.py. It shows how to append to an existing file. Note
>> that this example first creates a dummy NetCDF, so you can skip this
>> part.
>>
>> Dave Brown is more of an expert in this area, so he may have some
>> other tips on appending to an existing file.
>>
>> --Mary
>>
>>
>> On Tue, 4 Nov 2008, Bryan Rockwood wrote:
>>
>>> Hello Mary,
>>>
>>> Thank you for the quick response. I have played with the nio03.py script
>>> and have gotten it to work as written. The problem I am running into is
>>> that I do not have access to a single file with the entire model run but a
>>> series of files (in the case of the 218 grid, 7046 files). I suppose my
>>> main question would be, what is the proper way to append grids to an
>>> existing NetCDF file where the main attributes already exist?
>>>
>>> Bryan
>>>
>>> Mary Haley wrote:
>>>> Hi Bryan,
>>>>
>>>> Please see an example we have at:
>>>>
>>>> http://www.pyngl.ucar.edu/Examples/Scripts/nio03.py
>>>>
>>>> As the description of this example states:
>>>>
>>>> # This example reads a GRIB2 file and copies its contents
>>>> # to a NetCDF file, setting some options for efficient
>>>> # copying along the way.
>>>>
>>>> --Mary
>>>>
>>>> On Nov 3, 2008, at 3:16 PM, Bryan Rockwood wrote:
>>>>
>>>>> Greetings,
>>>>>
>>>>> I am trying to use PyNIO to read in a NAM12 (218 grid) model run that
>>>>> was received from the NOAAPort in GRIB2 format. Since the data received
>>>>> is in individual files, I am trying to write a simple script that takes
>>>>> each individual file and inserts them into a single NetCDF3 file. Being
>>>>> relatively new to PyNIO, and if at all possible, I was hoping someone
>>>>> would have an example of how to do this or could point me to an example
>>>>> someplace on line. Thanks.
>>>>>
>>>>> Bryan Rockwood
>>>>> _______________________________________________
>>>>> pyngl-talk mailing list
>>>>> List instructions, subscriber options, unsubscribe:
>>>>> http://mailman.ucar.edu/mailman/listinfo/pyngl-talk
>>>>
>>>
>>>
>
>
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Received on Tue Nov 18 2008 - 13:59:34 MST