[ET Trac] [Einstein Toolkit] #1359: add "read from file" option ot HydroBase's initial_data options

[Einstein Toolkit]

#1359: add "read from file" option ot HydroBase's initial_data options
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  Reporter:  rhaas                  |       Owner:             
      Type:  enhancement            |      Status:  reviewed_ok
  Priority:  minor                  |   Milestone:             
 Component:  EinsteinToolkit thorn  |     Version:             
Resolution:                         |    Keywords:  HydroBase  
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Comment (by rhaas):

 I took a closer look at IDFileADM to see what extra checking it provides.

 The text "read from file" is taken from EinsteinInitial/IDFileADM's
 parameter initial_shift. That one has some longer text explaining the
 parameter:

 {{{
 Read the initial shift using the file reader.  Note that this only allows
 you to read the shift from a file, it does not actually do it.  You still
 have to programme the file reader accordingly.
 }}}

 To avoid users to run with the wrong data, then I wrote a very simple
 thorn IDFileHydro that extends the parameters and provides some errror
 checking in ParamCheck the way IDFileADM does. I put the thorn into
 incoming: https://svn.einsteintoolkit.org/incoming/IDFileHydro/ .

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Ticket URL: <https://trac.einsteintoolkit.org/ticket/1359#comment:9>
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