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Re: Error opening NetCDF - file [message #91596 is a reply to message #91483]

Tue, 04 August 2015 17:39

benjaminforeback
Messages: 2
Registered: August 2015

Junior Member

On Monday, July 20, 2015 at 6:11:07 AM UTC-7, Paul van Delst wrote:
> On 07/15/15 11:51, Kai Heckel wrote:
>> Hello!
>>
>> I am currently working on a time series including multiple NetCDF's.
>> My procedure includes a call to a "read_netcdf"-script. The first
>> line there is "ncdf_open". This is usually no problem but very few
>> files are causing an error here saying 'Unable to open the file "..."
>> (NC_ERROR=-101)'. When I try to open these NetCDF's in the BEAM
>> software I get the message 'No appropriate reader found'.
>>
>>
>> So I guess somethings wrong with the header of these NetCDF's? I have
>> no clue and would be glad if you could help me out here.
>
> What version of IDL do you have?
>
> From Lajos's reply it would appear you have a netCDF4 file - which uses
> HDF5 to handle the hard stuff that classic netCDF couldn't.
>
> Newer versions of IDL "understand" netCDF4. So, if you have an old(er)
> version of IDL, that may be your problem. (If, indeed, it isn't what
> Lajos indicated - you are trying to read a regular HDF5 file)
>
> I use the IDL netCDF browser to read netCDF3-and-4 datafiles with no
> problems.
>
> cheers,
>
> paulv
>
>
> p.s.
>
> IDL> print, !version
> { x86_64 linux unix linux 8.3 Nov 15 2013 64 64}

In general, HDF5 and NetCDF-4 are the same. IDL's HDF5 library can be used for accessing and reading NetCDF-4, so you could try using IDL's H5_* routines and using the file as if it was NetCDF4.

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[Message index]

		Error opening NetCDF - file By: Kai Heckel on Wed, 15 July 2015 08:51
		Re: Error opening NetCDF - file By: Lajos Foldy on Wed, 15 July 2015 09:53
		Re: Error opening NetCDF - file By: Kai Heckel on Thu, 16 July 2015 01:28
		Re: Error opening NetCDF - file By: Lajos Foldy on Thu, 16 July 2015 02:26
		Re: Error opening NetCDF - file By: Paul Van Delst[1] on Mon, 20 July 2015 06:11
		Re: Error opening NetCDF - file By: benjaminforeback on Tue, 04 August 2015 17:39

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