[vtkusers] NetCDFFile : How to read data for all values of Time axes using vtkNetCDFCFReader.

[Aashish Chaudhary]

The other thing is that I don't think it read all the timestamps in the
first call.  I have to look at the API to give you more information on it.

- Aashish

On Fri, Jul 24, 2015 at 11:56 AM, Aashish Chaudhary <
aashish.chaudhary at kitware.com> wrote:

> Hello,
>
> Is your NetCDF CF compliant? the vtkNetCDF reader makes certain assumption
> so it is possible that it hit some condition that made it think that there
> is no time information in it.
>
> - Aashish
>
> On Fri, Jul 24, 2015 at 6:15 AM, Manjunath K E <ke.manjunath at gmail.com>
> wrote:
>
>> Hi all
>>
>> I am reading a netcdf file using vtkNetCDFCFReader. The input 4
>> dimensions (TAXIS, ZAX, YAXIS, XAXIS). But, after reading it, the time
>> varying data is not read, i.e only *TAXIS = 0* is read.
>>
>> If XAXIS = 90 ; YAXIS = 60 ;  ZAX = 24 ;  TAXIS =3 ; then I should have
>> the size of the array being read =  XAXIS * YAXIS *  ZAX *  TAXIS = 90 *
>> 60 * 24 * 3 = 388800.
>>
>> But since, only one time value is considered then the TAXIS =1, the size
>> of the array I have read is equall to = 90 *  60 * 24 * 1 (time axis)=
>> 129600.
>>
>> So, please help me how read time varrying data. i.e How to read data for
>> all values of Time axes using vtkNetCDFCFReader.
>>
>> My current code is as below :
>> ====================================================================
>> def readNetCdfFile(netCdfFilename, arrayName) :
>>         netCdfReader = vtkNetCDFCFReader()
>>         netCdfReader.SetFileName(netCdfFilename)
>>         netCdfReader.SphericalCoordinatesOff()
>>         netCdfReader.SetReplaceFillValueWithNan(1)
>>         netCdfReader.Update()
>>         #Copy input Array to scalar value field of point data ..this
>> makes point data to point to SAL array
>> netCdfReader.GetOutput().GetPointData().SetScalars(netCdfReader.GetOutput().GetPointData().GetArray(arrayName))
>>         netCdfReader.UpdateMetaData()
>>         netCdfReader.Update()
>>         netCdfReader.GetOutput().UpdateInformation()
>>         return netCdfReader
>> ====================================================================
>>
>>
>>  Thanks and Regards,
>>
>>  Manjunath K E
>>  Help Ever Hurt Never
>>
>>
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>
>
> --
>
>
>
> *| Aashish Chaudhary | Technical Leader         | Kitware Inc.            *
> *| http://www.kitware.com/company/team/chaudhary.html
> <http://www.kitware.com/company/team/chaudhary.html>*
>



-- 



*| Aashish Chaudhary | Technical Leader         | Kitware Inc.            *
*| http://www.kitware.com/company/team/chaudhary.html
<http://www.kitware.com/company/team/chaudhary.html>*
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