[ncl-talk] query ( CONVERSION ASCII TO NetCDF)

[Kunal Bali]

Dear NCL users

I tried previous mail scripts for converting ASCII to netcdf format , the
file is generating but its without data points.Only variable names
generating.

Kunal Bali
Research Scholar
Radio & Atmospheric Science Division
CSIR - National Physical Laboratory
New Delhi - 110012






On Tue, Sep 23, 2014 at 1:28 PM, Karin Meier-Fleischer <
meier-fleischer at dkrz.de> wrote:

>  Hi Kunal,
>
> the answer was given in an earlier mail:
>
> 1. read the ASCII data variable, lat and lon
> 2. create a output file:                         netcdf = addfile("
> simple.nc","c")
> 3. write your data variable to the output file:  ncdf->values = values
>
>
> Please read the 'output to netcdf' examples for more details:
> http://ncl.ucar.edu/Applications/o-netcdf.shtml
>
> Bye,
> Karin
>
> Am 23.09.14 07:04, schrieb Kunal Bali:
>
>  Dear NCL users
>
>  I am still not getting how to do the conversion from ASCII to netcdf ??
>
>  Kunal Bali
>  Research Scholar
>  Radio & Atmospheric Science Division
>  CSIR - National Physical Laboratory
>  New Delhi - 110012
>
>
>
>
>
>
> On Mon, Sep 22, 2014 at 7:35 PM, Yuqiang Zhang <yuqiangzhang.thu at gmail.com
> > wrote:
>
>>  Hi Kunal,
>>
>>
>>
>> In line 30, “*ncl 30> TotCH4_A = data(:,2)* “. You variable “TotCH4_A”
>> is only assigned one dimension’s value, so you can’t assign two dimension
>> through line 33 & 34.
>>
>>
>>
>> Regards,
>>
>> Yuqiang
>>
>>
>>
>> *From:* ncl-talk-bounces at ucar.edu [mailto:ncl-talk-bounces at ucar.edu] *On
>> Behalf Of *Kunal Bali
>> *Sent:* Monday, September 22, 2014 8:53 AM
>> *To:* Karin Meier-Fleischer
>> *Cc:* ncl-talk at ucar.edu
>> *Subject:* Re: [ncl-talk] query ( CONVERSION ASCII TO NetCDF)
>>
>>
>>
>> Dear NCL user
>>
>> I tried this script from NCL but still getting error
>>
>>
>> ncl 28> Longitude = data(:,1)
>> ncl 29> Latitude = data(:,0)
>> ncl 30> TotCH4_A = data(:,2)
>> ncl 31> ncdf = addfile("/home/kunal/simple1.nc","c")
>> ncl 32> filedimdef(ncdf,"time",-1,True)
>> ncl 33> TotCH4_A!0 = "Latitude"
>> ncl 34> TotCH4_A!1 = "Longitude"
>>
>>
>> *fatal:Variable (TotCH4_A) has (1) dimensions can not write to dimension
>> (1) fatal:["Execute.c":8565]:Execute: Error occurred at or near line 34 *
>>
>>
>>   Kunal Bali
>>
>> Research Scholar
>>
>> Radio & Atmospheric Science Division
>>
>> CSIR - National Physical Laboratory
>>
>> New Delhi - 110012
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>> On Mon, Sep 22, 2014 at 5:32 PM, Karin Meier-Fleischer <
>> meier-fleischer at dkrz.de> wrote:
>>
>> Hi Kunal,
>>
>>
>>
>> Please, take a look at the 'output netcdf' examples page, method_1
>>
>>
>>
>> http://ncl.ucar.edu/Applications/method_1.shtml
>>
>> Try this:
>>
>>
>>
>>
>>
>> lat = data(:,0)
>>
>> lat = data(:,1)
>>
>> values= data(:,2)
>>
>> system <http://ncl.ucar.edu/Document/Functions/Built-in/system.shtml>("/bin/rm
>> -f simple.nc") ; remove any pre-existing file
>>
>> ncdf = addfile("simple.nc" ,"c") ; output netCDF file
>>
>> filedimdef <http://ncl.ucar.edu/Document/Functions/Built-in/filedimdef.shtml>(ncdf,"time",-1,True) ; recommended
>>
>> values!0 = "lat"
>>
>> values!1 = "lon"
>>
>> values&lat = lat
>>
>> values&lon = lon
>>
>> ncdf->values = values
>>
>>
>>
>> Bye, Karin
>>
>>
>>
>>
>> Am 22.09.2014 um 11:40 schrieb Kunal Bali <kunal.bali9 at gmail.com>:
>>
>>     Dear NCL users
>>
>> I want to convert ASCII to .nc file format. Could any one please provides
>> me the link for this query or give any detail about this ??
>>
>> I have data in 3 column ( Latitude Longitude Values)
>>
>> More Detail
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>> *Variable: data Type: float Total Size: 777600 bytes             194400
>> values Number of Dimensions: 2 Dimensions and sizes:    [64800] x [3]
>> Coordinates: Number Of Attributes: 1   _FillValue :    9.96921e+36 *
>>
>> *So is there any ways to convert ASCII to netcdf format ???*
>>
>> *Thank You*
>>
>>
>>     Kunal Bali
>>
>> Research Scholar
>>
>> Radio & Atmospheric Science Division
>>
>> CSIR - National Physical Laboratory
>>
>> New Delhi - 110012
>>
>>
>>
>>
>>
>>
>>
>>
>>
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>>
>
>
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