/Experiment ODB tree: Difference between revisions
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=== <span style="color: purple;">''/Experiment/Buffer Sizes ''</span> subtree === | |||
Contains the sizes of the Midas Buffers for the experiment. Created with default values. The sizes can be changed to optimize the memory usage. See [[Event Buffer]] Size(s) for details. | |||
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=== <span style="color: purple;">''/Experiment/Menu Buttons ''</span> === | |||
<div style="column-count:2;-moz-column-count:2;-webkit-column-count:2"> | |||
* '''Type:''' STRING | |||
* '''Default:''' "Start, Pause, ODB, Messages, ELog, Alarms, Programs, History, Sequencer, Config, Help" | |||
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This key is added automatically by [[mhttpd]] to allow the Menu buttons that appear on the [[mhttpd Main Status Page]] to be customized. | |||
If [[MSCB]] support is built into MIDAS, the MSCB Menu button will also be shown. | |||
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Revision as of 18:16, 20 August 2013
Creating the /Experiment tree
The /Experiment ODB tree is created automatically when the ODB is first created.
Purpose
The /Experiment ODB tree contains information relevent to the experiment. Many optional keys can be added by the user to customize their experiment.
Example
When initially created, the /Experiment tree contains the following keys:
[local:midas:S]/>ls -lrt /experiment
Key name Type #Val Size Last Opn Mode Value
---------------------------------------------------------------------------
Experiment DIR
Name STRING 1 32 14s 0 RWD midas
Buffer sizes DIR
SYSMSG DWORD 1 4 11h 0 RWD 100000
Keys in /Experiment tree
The keys in the ODB /Experiment tree are described in the following sections.
/Experiment/Name
- Type: STRING
- Default:
Contains the name of the experiment. Filled automatically when the ODB is created with
/Experiment/Buffer Sizes subtree
Contains the sizes of the Midas Buffers for the experiment. Created with default values. The sizes can be changed to optimize the memory usage. See Event Buffer Size(s) for details.
/Experiment/Menu Buttons
- Type: STRING
- Default: "Start, Pause, ODB, Messages, ELog, Alarms, Programs, History, Sequencer, Config, Help"
This key is added automatically by mhttpd to allow the Menu buttons that appear on the mhttpd Main Status Page to be customized.
If MSCB support is built into MIDAS, the MSCB Menu button will also be shown.