[gradsusr] gxout print
Jeff Lake
admin at michiganwxsystem.com
Thu Dec 6 07:45:01 EST 2012
Jeff,
Thanks for the assistance on this, I decided to stay the way I was going
and modified the mySQL query I was using and came up with 9,500 data points
across the CONUS instead of 75,000.
The resulting calculations only takes 1.5 minutes for the entire model run.
If I wasn't under a project deadline, I would keep hammering at the
GrADS ASCII method.
Maybe after I get this project launched, I'll come back and try to
figure out what it was I had wrong.
I was still getting no output either to the terminal or to the text file
-Jeff Lake
MichiganWxSystem.com
AllisonHouse.com
TheWeatherCenter.net
GRLevelXStuff.com
On 12/4/2012 22:07, Jeff Duda wrote:
> Alright, I think I see one problem with your Grads code. set prnopts
> is only effective when gxout print is used. When you use gxout
> fwrite, your data are being written to a binary file called dls.txt
> rather than an ascii file called dls.txt. Try changing the graphics
> output to print and see if you get the results you are looking for.
>
> Jeff
>
> On Tue, Dec 4, 2012 at 8:41 PM, Jeff Lake <admin at michiganwxsystem.com
> <mailto:admin at michiganwxsystem.com>> wrote:
>
> here is what is in my template
>
> 'open rap_mesoan.bin.ctl'
>
>
> 'define u900=ugrdprs(lev=900)'
> 'define u500=ugrdprs(lev=500)'
>
> 'define v900=vgrdprs(lev=900)'
> 'define v500=vgrdprs(lev=500)'
>
> 'define dls = mag(abs(u500-ugrd10m),abs(v500-vgrd10m))'
> 'define lls = mag(abs(u900-ugrd10m),abs(v900-vgrd10m))'
>
>
>
> 'clear'
> 'set gxout fwrite'
> 'set prnopts %g 1 8'
> 'set fwrite dls.txt'
> 'd dls'
>
>
>
> -Jeff Lake
> MichiganWxSystem.com
> AllisonHouse.com
> TheWeatherCenter.net
> GRLevelXStuff.com
>
> On 12/4/2012 21:15, Jeff Duda wrote:
>> So where in this series of steps does the Grads part fit in?
>> What fields are you trying to print to a file?
>>
>> Jeff
>>
>> On Tue, Dec 4, 2012 at 6:57 PM, Jeff Lake
>> <admin at michiganwxsystem.com <mailto:admin at michiganwxsystem.com>>
>> wrote:
>>
>> Jeff,
>> I'll explain what I'm doing now, and my hopes further on..
>> as of now..
>> I am using wgrib2 to extract 4 perimeter's from the 13km RAP
>> and dump to csv
>> I then import to MySQL, and utilize php to run severe
>> formula's to give me the bulk shear at 0-1 km and 0-6km
>> problem is .. using php its painfully slow (75,000 data
>> points ~12minutes)
>> Was hoping I could get GrADS to do the calculations for me
>> and output the final to csv or text
>>
>> -Jeff Lake
>> MichiganWxSystem.com
>> AllisonHouse.com
>> TheWeatherCenter.net
>> GRLevelXStuff.com
>>
>> On 12/4/2012 19:04, Jeff Duda wrote:
>>> Jeff,
>>> fprintf.gs <http://fprintf.gs> can be found here:
>>> http://cookbooks.opengrads.org/index.php?title=Recipe-002:_Saving_GrADS_variable_data_to_a_text_file
>>>
>>> What data are you using? Are you sure the data array itself
>>> is not undefined values or all zeros?
>>>
>>> Jeff
>>>
>>> On Tue, Dec 4, 2012 at 5:45 PM, Jeff Lake
>>> <admin at michiganwxsystem.com
>>> <mailto:admin at michiganwxsystem.com>> wrote:
>>>
>>> I am getting zero output .. except .
>>>
>>> Config: v2.0.2 little-endian readline printim grib2
>>> netcdf hdf4-sds hdf5 opendap-grids,stn geotiff shapefile
>>> Issue 'q config' command for more detailed configuration
>>> information
>>> GX Package Initialization: Size = 11 8.5
>>> Running in Batch mode
>>> Command line history in /usr/local/ldm/.grads.log
>>> Notice: Implied interpolation for file rap_mesoan.bin.ctl
>>> Interpolation will be performed on any data displayed
>>> from this file
>>> Warning from LOG: Data has 62765 values <= zero
>>> These were set to the undefined value
>>> No hardcopy metafile open
>>> GX package terminated
>>>
>>>
>>> fprintf.gs <http://fprintf.gs> ??
>>>
>>> -Jeff Lake
>>> MichiganWxSystem.com
>>> AllisonHouse.com
>>> TheWeatherCenter.net
>>> GRLevelXStuff.com
>>>
>>> On 12/4/2012 10:04, Jeff Duda wrote:
>>>> What's going wrong with it?
>>>>
>>>> I usually use fprintf.gs <http://fprintf.gs> when I
>>>> want to write to a text file.
>>>>
>>>> Jeff Duda
>>>>
>>>> On Tue, Dec 4, 2012 at 8:29 AM, Jeff Lake
>>>> <admin at michiganwxsystem.com
>>>> <mailto:admin at michiganwxsystem.com>> wrote:
>>>>
>>>> Greetings,
>>>> I have been trying, unsuccessfully, to write an
>>>> ascii file ..
>>>> here is what I have in the template
>>>>
>>>> 'clear'
>>>> 'set mpproj latlon'
>>>> 'set gxout print'
>>>> 'set prnopts %g 8 1'
>>>> 'set sdfwrite dls_XXX.txt'
>>>> 'd dls'
>>>>
>>>> This is my first attempt at writing to an ascii file ..
>>>> so any pointers would be appreciated
>>>> using 2.0.2
>>>>
>>>> --
>>>> -Jeff Lake
>>>> MichiganWxSystem.com
>>>> AllisonHouse.com
>>>> TheWeatherCenter.net
>>>> GRLevelXStuff.com
>>>>
>>>>
>>>> _______________________________________________
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>>>>
>>>>
>>>>
>>>>
>>>> --
>>>> Jeff Duda
>>>> Graduate research assistant
>>>> University of Oklahoma School of Meteorology
>>>> Center for Analysis and Prediction of Storms
>>>>
>>>>
>>>>
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>>>
>>>
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>>>
>>>
>>> --
>>> Jeff Duda
>>> Graduate research assistant
>>> University of Oklahoma School of Meteorology
>>> Center for Analysis and Prediction of Storms
>>>
>>>
>>>
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>>
>>
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>>
>>
>> --
>> Jeff Duda
>> Graduate research assistant
>> University of Oklahoma School of Meteorology
>> Center for Analysis and Prediction of Storms
>>
>>
>>
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>
>
> --
> Jeff Duda
> Graduate research assistant
> University of Oklahoma School of Meteorology
> Center for Analysis and Prediction of Storms
>
>
>
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