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Re: NetCDF4 problem [message #93114 is a reply to message #93097]

Thu, 28 April 2016 13:41

Michael Galloy
Messages: 1114
Registered: April 2006

Senior Member

On 4/26/16 9:00 PM, deathknight wrote:
>
>> Just to check, could you do:
>>
>> IDL> filename = 'E:\netcdf4.nc'
>> IDL> print, file_test(filename)
>> IDL> file_id = h5f_open(filename)
>> IDL> help, file_id
>>
>
> Sorry for not getting back to you earlier. The results are as follows:
>
> IDL> filename='E:\netcdf4.nc'
> IDL> print, file_test(filename)
> 1
> IDL> file_id=h5f_open(filename)
> % Loaded DLM: HDF5.
> % H5F_OPEN: unable to open file: Object Name:"E:\netcdf4.nc"
> % Execution halted at: $MAIN$
> IDL> help, file_id
> FILE_ID UNDEFINED = <Undefined>
>
> Is that the problem of my IDL version? Thanks!
>

This indicates the file does exist (yeah!), but can't be opened by the
HDF 5 library. Perhaps is a classic netCDF file? i.e., version < 4. Can
you open it using the standard netCDF library?

IDL> filename = 'E:\netcdf4.nc'
IDL> file_id = ncdf_open(filename)
IDL> help, file_id

Mike
--
Michael Galloy
www.michaelgalloy.com
Modern IDL: A Guide to IDL Programming (http://modernidl.idldev.com)

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[Message index]

		NetCDF4 problem By: DK on Thu, 07 April 2016 06:52
		Re: NetCDF4 problem By: Paul Van Delst[1] on Thu, 07 April 2016 07:36
		Re: NetCDF4 problem By: Michael Galloy on Thu, 07 April 2016 10:03
		Re: NetCDF4 problem By: Paul Van Delst[1] on Thu, 07 April 2016 10:45
		Re: NetCDF4 problem By: Michael Galloy on Fri, 08 April 2016 08:24
		Re: NetCDF4 problem By: DK on Fri, 08 April 2016 05:37
		Re: NetCDF4 problem By: Michael Galloy on Fri, 08 April 2016 08:22
		Re: NetCDF4 problem By: DK on Sun, 10 April 2016 05:50
		Re: NetCDF4 problem By: Michael Galloy on Mon, 11 April 2016 16:06
		Re: NetCDF4 problem By: DK on Tue, 26 April 2016 20:00
		Re: NetCDF4 problem By: Michael Galloy on Thu, 28 April 2016 13:41
		Re: NetCDF4 problem By: DK on Thu, 28 April 2016 23:40
		Re: NetCDF4 problem By: Haje Korth on Fri, 29 April 2016 04:27
		Re: NetCDF4 problem By: DK on Sun, 01 May 2016 07:23
		Re: NetCDF4 problem By: DK on Fri, 08 April 2016 05:32

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