[gradsusr] Station data

Thu Feb 18 22:20:00 EST 2016

Just made some modifications with your file. You can try with the attached
files.
First run the fortran. Then C program. Then run the command stnmap -i
clim.ctl to create station map. Then open grads.

On Thu, Feb 18, 2016 at 8:04 PM, itesh dash <itesh at rimes.int> wrote:

> Hi Davies,
>
> You can user the cookbook recipe:005 . I found it very useful.
>
>
> http://cookbooks.opengrads.org/index.php?title=Recipe-005:_Creating_GrADS_binary_station_data_from_ASCII
>
> just copy the stngrads.cpp file and the station.h file to local directory
> and compile with g++ or any c++ compiler
>
> like g++ stationgrads.cpp -o stngrads
>
> this will generate the executable stngrads
>
> then use it as
>
> ./stngrads stationfile.txt station.bin L/U ( L for lat/long and U for UTM)
>
> Attached are both files and the executable also.
>
> Thanks to the original developer. It was very useful for me.
>
> PS: make sure your Lat Lon column are in the correct order. Thats may be a
> reason stations being plotted at wrong location.
>
> Afterwards, you can use the oacres function to interpolate and view the
> data to model grid if thats something you want to do.
>
> Hope this is helpful.
>
> Regards,
> itesh
>
>
> On Thu, Feb 18, 2016 at 7:01 PM, Thomas Davies <tsd.davies at gmail.com>
> wrote:
>
>> I just tried to run station2modelgrid.c on the above text file, however
>> when I plot in GrADS there are only 2 values in the wrong place
>>
>>
>> 
>>
>> On Thu, Feb 18, 2016 at 11:56 AM, Thomas Davies <tsd.davies at gmail.com>
>> wrote:
>>
>>> Do you mean like the attached file?
>>>
>>> On Thu, Feb 18, 2016 at 2:15 AM, Jayakrishnan P.R <
>>> prjayakrishnan at gmail.com> wrote:
>>>
>>>> I think the problem is with the exact reading of the text file and
>>>> writing as binary file due to formatting. Could you send me the unformatted
>>>> text file may be like this. I have done this without formatting as your
>>>> case.
>>>> *2016 02 17 22 station1 60.749 -0.854 1005 *
>>>> *2016 02 17 22 station2 60.139 -1.183 1006 *
>>>> *2016 02 17 22 **station3 60.447 -1.277 950  *
>>>>
>>>> On Thu, Feb 18, 2016 at 7:04 AM, Thomas Davies <tsd.davies at gmail.com>
>>>> wrote:
>>>>
>>>>> Hi,
>>>>>
>>>>> I am trying to plot station data recieved from UKMO datapoint. I have
>>>>> written the data to a text file like this (Following the tutorial here:
>>>>> http://cookbooks.opengrads.org/index.php?title=Recipe-013:_Gridding_and_Plotting_Station_Data
>>>>> ):
>>>>>
>>>>>
>>>>> *2016 02 17 22 station1 60.749 -0.854 1005 2016 02 17 22 station2
>>>>> 60.139 -1.183 1006 2016 02 17 22 station3 60.447 -1.277 950 2016 02 17 22
>>>>> station4 60.111 -2.063 1004 2016 02 17 22 station5 58.954 -2.9 1006 2016 02
>>>>> 17 22 station6 58.214 -6.325 1004 2016 02 17 22 station7 57.725 -4.896 1007
>>>>> 2016 02 17 22 station8 57.859 -5.636 1006 2016 02 17 22 station9 57.257
>>>>> -5.809 1007 2016 02 17 22 station10 57.4175 -5.689 950 2016 02 17 22
>>>>> station11 58.288 -4.442 1006 2016 02 17 22 station12 56.867 -4.708 1009
>>>>> 2016 02 17 22 station13 57.819 -3.966 1007 2016 02 17 22 station14 57.206
>>>>> -3.827 1008 2016 02 17 22 station15 57.116 -3.642 950 2016 02 17 22
>>>>> station16 57.6494 -3.5606 1007 2016 02 17 22 station17 57.712 -3.322 1007
>>>>> 2016 02 17 22 station18 58.454 -3.089 1006 2016 02 17 22 station19 57.077
>>>>> -2.836 1009 2016 02 17 22 station20 57.206 -2.202 1008 2016 02 17 22
>>>>> station21 56.497 -6.887 1007 2016 02 17 22 station22 55.681 -6.256 1009
>>>>> 2016 02 17 22 station23 55.441 -5.699 1009 2016 02 17 22 station24 54.859
>>>>> -4.936 1011 2016 02 17 22 station25 55.907 -4.533 1010 2016 02 17 22
>>>>> station26 55.515 -4.585 1010 2016 02 17 22 station27 56.326 -3.729 1009
>>>>> 2016 02 17 22 station28 56.423 -4.32 950 2016 02 17 22 station29 54.803
>>>>> -4.008 1010 2016 02 17 22 station30 55.627 -3.735 1010 2016 02 17 22
>>>>> station31 55.709 -2.383 1009 2016 02 17 22 station32 55.928 -3.343 1009
>>>>> 2016 02 17 22 station33 56.377 -2.862 1009 2016 02 17 22 station34 54.0849
>>>>> -4.6321 1011 2016 02 17 22 station35 54.5181 -3.615 1011 2016 02 17 22
>>>>> station36 54.614 -3.157 1011 2016 02 17 22 station37 54.125 -3.257 1010
>>>>> 2016 02 17 22 station38 54.933 -2.963 1010 2016 02 17 22 station39 55.05
>>>>> -2.553 1010 2016 02 17 22 station40 54.501 -2.684 1011 2016 02 17 22
>>>>> station41 54.572 -2.413 1010 2016 02 17 22 station42 54.684 -2.45 950 2016
>>>>> 02 17 22 station43 55.285 -2.279 1010 2016 02 17 22 station44 55.02 -1.88
>>>>> 1009 2016 02 17 22 station45 55.421 -1.6 1009 2016 02 17 22 station46
>>>>> 54.204 -1.39 1010 2016 02 17 22 station47 54.563 -0.863 1009 2016 02 17 22
>>>>> station48 54.362 -0.673 950 2016 02 17 22 station49 54.094 -0.174 1008 2016
>>>>> 02 17 22 station50 53.252 -4.537 1011 *
>>>>>
>>>>> I wrote it in the exact same format as the link above and ran
>>>>> station2modelgrid.c (using TCC compiler for windows), as well as stnmap
>>>>> with this descriptor file:
>>>>>
>>>>> *DSET ^station.dat*
>>>>> *DTYPE station*
>>>>> *STNMAP ^station.map*
>>>>> *UNDEF -999.0*
>>>>> *TITLE station data test*
>>>>> *TDEF 1 linear 22Z17FEB2016 1mo*
>>>>> *VARS 1*
>>>>> *slp  0  99  SLP*
>>>>> *ENDVARS*
>>>>>
>>>>> However when I open station.ctl in GrADS and plot the slp variable no
>>>>> values are displayed. I have tried changing the format of the text
>>>>> file/C-script however nothing has worked for me.
>>>>>
>>>>> If anybody can spot a problem or provide an alternative C script with
>>>>> notes about the text file formatting (I don't know any C or Fortran)
>>>>>
>>>>> Thanks in advance.
>>>>>
>>>>> _______________________________________________
>>>>> gradsusr mailing list
>>>>> gradsusr at gradsusr.org
>>>>> http://gradsusr.org/mailman/listinfo/gradsusr
>>>>>
>>>>>
>>>>
>>>>
>>>> --
>>>> Sincerely
>>>>
>>>> **************************************************
>>>> Dr. Jayakrishnan P.R
>>>> Post Doctoral Research Fellow
>>>> C308, Institute of Ocean and Earth Sciences (IOES)
>>>> University of Malaya
>>>> 50603, Kuala Lumpur
>>>> Tel: (+603) 7967 4640 / 6995
>>>> Mobile: 012-3526094
>>>>
>>>> ****************************************************
>>>>
>>>>
>>>>
>>>>
>>>>
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>>>> http://gradsusr.org/mailman/listinfo/gradsusr
>>>>
>>>>
>>>
>>
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>>
>
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>

-- 
Sincerely

**************************************************
Dr. Jayakrishnan P.R
Post Doctoral Research Fellow
C308, Institute of Ocean and Earth Sciences (IOES)
University of Malaya
50603, Kuala Lumpur
Tel: (+603) 7967 4640 / 6995
Mobile: 012-3526094

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