[ncl-talk] Save in netcdf

[Karin Meier-Fleischer]

Hi Soma,

if the file example.nc already exists NCL can't create a new one with 
the same name. You have to remove the file, first.

     filo = "example.nc" ; Output file
*    system("rm -rf "+filo)*
     fout  = addfile (filo, "c")            ; open output file

-Karin

Am 17.07.18 um 12:22 schrieb Soma Roy:
> I am trying to save the variable ZMT in NetCDF file following the 
> instructions at the below-mentioned link;
>
> http://www.ncl.ucar.edu/Applications/method_2.shtml
>
> Summary of the dataset is as follows;
>
> Variable: lat
> Type: float
> Total Size: 244 bytes
>             61 values
> Number of Dimensions: 1
> Dimensions and sizes:   [latitude | 61]
> Coordinates:
>             latitude: [ 5..20]
> Number Of Attributes: 2
>   units :       degrees_north
>   long_name :   latitude
>
> Variable: lon
> Type: float
> Total Size: 324 bytes
>             81 values
> Number of Dimensions: 1
> Dimensions and sizes:   [longitude | 81]
> Coordinates:
>             longitude: [70..90]
> Number Of Attributes: 2
>   units :       degrees_east
>   long_name :   longitude
>
> Variable: time
> Type: integer
> Total Size: 16 bytes
>             4 values
> Number of Dimensions: 1
> Dimensions and sizes:   [time | 4]
> Coordinates:
>             time: [1025088..1025160]
> Number Of Attributes: 3
>   units :       hours since 1900-01-01 00:00:0.0
>   long_name :   time
>   calendar :    gregorian
>
>
> Variable: pnew
> Type: integer
> Total Size: 112 bytes
>             28 values
> Number of Dimensions: 1
> Dimensions and sizes:   [level | 28]
> Coordinates:
>             level: [70..1000]
> Number Of Attributes: 2
>   units :       Pa
>   long_name :   pressure_level
> (0)     7000
> (1)     10000
> (2)     12500
> (3)     15000
> ..........
> (26)    97500
> (27)    100000
>
> Variable: ZMT
> Type: float
> Total Size: 2213568 bytes
>             553392 values
> Number of Dimensions: 4
> Dimensions and sizes:   [time | 4] x [level | 28] x [latitude | 61] x 
> [longitude | 81]
> Coordinates:
>             time: [1025088..1025160]
>             level: [70..1000]
>             latitude: [ 5..20]
>             longitude: [70..90]
> Number Of Attributes: 3
>   units :       (m/s)(kg/kg)
>   long_name :   zonal moisture transport
>   _FillValue :  -32767
>
> At run-time, I am getting the following error message;
>
> fatal:Could not create (example.nc <http://example.nc/>)
> warning:FileSetFileOption: invalid file or format
> fatal:["Execute.c":8640]:Execute: Error occurred at or near line 65 in 
> file TEST1.ncl
>
> My script is attached below.
>
> Please kindly inform me what is wrong with this code and how to fix it.
>
> Thanking you,
> Soma
>
>
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