[Nexus] how to read files from Eiger?

Eugen Wintersberger eugen.wintersberger at desy.de
Fri Jun 24 09:05:39 BST 2016


Hi Pete,

On which Linux systems do you want to read the files. For Ubuntu 14.04
and Debian 8  we have packages available.

On 06/23/16 19:27, Pete Jemian wrote:
> Very helpful.  Thanks for the quick turnaround.
> Now I go off in a corner with an internet connection for quiet time ...
>
> On 6/23/2016 12:25 PM, Herbert J. Bernstein wrote:
>> Dear Pete,
>>
>>   This is a solvable problem, but requires some preliminary software
>> installations.  First, be sure your HDF5 kit is reasonably recent and
>> has filter plugin support.  Then pickup and install both the LZ4 and
>> BitShuffle filters.  Now make sure HDF5_PLUGIN_PATH is defined to
>> point to the directory containing the filter libraries.  Then h5dump
>> should be able to handle the Eiger files.
For the current files BittShuffle is not required. Most probably
required for latter releases of the detector?

regards
   Eugen
>>
>>   Eugen is gathering the filters on github.  I am gathering other
>> software and links to test data and templates at HDRMX.medsbio.org. 
>> There is a link for the hdrmx-bb list on the page.   Please post
>> comments, questions and suggestions there.
>>
>>   Regards,
>>     Herbert
>>
>> Sent from my iPad
>>
>>> On Jun 23, 2016, at 12:48, Pete Jemian <prjemian at gmail.com> wrote:
>>>
>>>
>>> We have received a linked fileset from an Eiger 1M Anderson  want to
>>> read it.
>>> Cannot seem to progress past knowing that there is data.
>>> Here is an excerpt from h5dump (version 1.8.16):
>>>
>>>        DATASET "data" {
>>>           DATATYPE  H5T_STD_U32LE
>>>           DATASPACE  SIMPLE { ( 1, 1065, 1030 ) / ( H5S_UNLIMITED,
>>> 1065, 1030 ) }
>>>           DATA {h5dump error: unable to print data
>>>
>>>           }
>>>           ATTRIBUTE "image_nr_high" {
>>>              DATATYPE  H5T_STD_I32LE
>>>              DATASPACE  SCALAR
>>>              DATA {
>>>              (0): 1
>>>              }
>>>           }
>>>           ATTRIBUTE "image_nr_low" {
>>>              DATATYPE  H5T_STD_I32LE
>>>              DATASPACE  SCALAR
>>>              DATA {
>>>              (0): 1
>>>              }
>>>           }
>>>        }
>>>
>>> It's the error: "h5dump error: unable to print data"
>>>
>>> Is this the case where we have the wrong version of the HDF5 libraries?
>>> Is there a tool to render such files compatible with the 1.8 libraries?
>>> If so, where is that tool?
>>>
>>> Pete
>>>
>>> _______________________________________________
>>> NeXus mailing list
>>> NeXus at nexusformat.org
>>> http://lists.nexusformat.org/mailman/listinfo/nexus
>>>
>

-- 
Dr. Eugen Wintersberger

FS-EC
DESY
Notkestr. 85
D-22607 Hamburg
Germany

E-Mail: eugen.wintersberger at desy.de
Telefon: +49-40-8998-1917
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.nexusformat.org/pipermail/nexus/attachments/20160624/397c9a5d/attachment-0001.html>
-------------- next part --------------
A non-text attachment was scrubbed...
Name: signature.asc
Type: application/pgp-signature
Size: 213 bytes
Desc: OpenPGP digital signature
URL: <http://lists.nexusformat.org/pipermail/nexus/attachments/20160624/397c9a5d/attachment-0001.sig>


More information about the NeXus mailing list