[ET Trac] [Einstein Toolkit] #551: Output metadata from TwoPunctures

[Einstein Toolkit]

#551: Output metadata from TwoPunctures
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  Reporter:  hinder                 |       Owner:              
      Type:  enhancement            |      Status:  review      
  Priority:  minor                  |   Milestone:              
 Component:  EinsteinToolkit thorn  |     Version:              
Resolution:                         |    Keywords:  TwoPunctures
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Comment (by hinder):

 !TwoPunctures_Metadata is scheduled in local mode because it needs access
 to the grid variables E and Ji.  Will it have access to these in global
 mode?  If not, which mode should I use?  You are right that local mode is
 not correct - if you have two components on one process, or more than one
 refinement level, the metadata file will be written more than once.

 Additional keys for the metadata file, e.g. those defined in the data
 format document, could indeed be added, but this should not be done in
 !TwoPunctures.  Eventually there could be a metadata thorn which other
 thorns register fields with, and it could handle the generic things like
 simulation name, date, username etc, and write a single metadata file
 containing all the fields.  Or to keep things simple, maybe individual
 thorns can write metadata files which the user can then merge together
 (e.g. with cat).

 But the immediate need that we have is for the TwoPunctures metadata, so I
 want to get this implemented as quickly as possible.

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Ticket URL: <https://trac.einsteintoolkit.org/ticket/551#comment:3>
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