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The HLI API can be divided in into 2 sets of operations:
- operations applying on a Data Entry
- operations applying on an IDS
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A Data Entry is an IMAS concept for designating a collection of IDSs present in a local (pulse file) or remote data source. A data entry Data Entry is associated to a shot and a run number. |
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- consists in creating a new (MDS+) pulse file on the disk
- requires to have an existing 'database' (e.g corresponding to a directory when using the MDS+ backend) which will host the new pulse file
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module load IMAS imasdb data_access_tutorial |
We can Let's check that the database has been successfully created:
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$ ls -alh ~/public/imasdb/data_access_tutorial/ total 2.5K drwxrwsr-x 3 fleuryl fleuryl 4.0K Aug 31 10:09 . drwxrwsr-x 14 fleuryl fleuryl 4.0K Aug 31 10:09 .. drwxrwsr-x 13 fleuryl fleuryl 4.0K Sep 13 11:16 3 |
Some sub-directories have been created, they are used by MDS+ to organize the pulse files.
Now, the following code will create a new MDS+ pulse file for shot=15000, run=1 in the 'data_access_tutorial' database of the current user:
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