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* [[/Elog ODB tree]] * [[Elog Page]]

* [[Elog Page]] * [[Electronic Logbook (ELOG)]]

...IB, USB, ethernet, fiber optic and MSCB attached data acquisition devices. MIDAS is written in C/C++ and runs on Linux, MacOS and MS Windows. It is licensed * [[Midas documentation| Main Documentation]]

...[[Electronic Logbook (ELOG)]]''' → ''Interfacing ELOG to Midas'' ...on]]''' → ''Several ways of defining and accessing a Midas experiment''

* [[/Elog ODB tree]] * mhttpd [[Elog Page]]

...ve data from the experiment onto disk. See [[#Logging in MIDAS|logging in MIDAS]] for [-e exptname ] : experiment name (see [[Common Parameters to MIDAS Utilities]])

** What is Midas: ... DAQ for intermediate phys. expt. ** What Midas can do for you: ... collect data from different source (HW, Network)

= Notes on the implementation of the MIDAS alarm system. = For remote midas clients, their al_check() issues an RPC_AL_CHECK RPC call into

The MIDAS package after [[Compilation & Build]] will contain a new directory ...) and the images (in {{Filepath|path=../bin}}) will be placed. Most of the MIDAS applications are located here. There a few other applications that can be m

[-h] : connect to midas server (mserver) on given host [-E] : only display ELog system

...h each "directory" dealing with a specific section of the acquisition. The MIDAS system creates certain ODB trees e.g. {{Odbpath|path=/System}}, {{Odbpath| * [[/Elog ODB tree]] → ''Location for Elog interface definition and configuration''

* [[mlogger |MIDAS logger utility (mlogger)]] [[Keys in the ODB /Logger tree #/Logger/Elog dir|/Logger/Elog dir ]] and [[Keys in the ODB /Logger tree #/Logger/History dir |/Logger/His

* [[mlogger |MIDAS logger (mlogger)]] ...[[#top|/Logger tree]] specifies in which directory files produced by the MIDAS logger utility ([[mlogger]]) should be written.

* [[Mhttpd|mhttpd MIDAS web server]] Write Elog message BOOL 1 4 27h 0 RWD n

...reasons, not all experimenters are able or willing to update to the latest MIDAS version in a timely fashion. Therefore, documentation for old and/or obsolete versions of the MIDAS code and utilities will be moved to this area.

= Access Control to a MIDAS experiment = ...ss from remote machines, the user will have to take action as described [[#MIDAS programs on remote machines|below]].

...s. Tags are of the format <code>midas-YEAR-MONTH-SUFFIX</code>, e.g. <code>midas-2019-06-b</code>. This page details the major changes in each release, and Release <code>midas-2020-12-a</code>

* [[Mhttpd|mhttpd MIDAS web server]] MIDAS provides an alarm system, which by default is turned off. When the alarm sy

{{mhttpdpages3|[[Mhttpd.js|MIDAS Javascript Library]]|[[odbedit]]|[[Security]]}} The {{Utility|name=mhttpd}} utility runs the '''MIDAS Web Server''' which allows the user to communicate with an experiment using

This page describes setting up a MIDAS experiment at TRIUMF. This information can be adapted for other sites. * '''MIDASSYS''' Base directory of the MIDAS package, midas and mxml should be at the same level.

==Midas components== ...rall Midas system diagram]] to see how these elements interact to form the MIDAS system.

If the MIDAS web server [[mhttpd]] is running, the experiment can be accessed from the w ...g on the run state) and the '''page switch buttons''' (e.g. ODB, Messages, Elog, Alarms, Programs, History, Sequencer, MSCB, Chat, Help). Clicking on a pag

The MIDAS Online Data Base (ODB) is the main communication platform between MIDAS applications. It contains all the information needed to run an experiment. The MIDAS ODB can be accessed '''interactively''' in two ways:

...shows you how to install the MIDAS packages on a linux box and create a '''MIDAS experiment'''. The linux box will be called the MIDAS '''''experiment host'''''.

* [[Mhttpd.js|MIDAS Javascript library]] = MIDAS JSON-RPC interface =

[local:midas:S]/>ls -lrt /experiment Name STRING 1 32 14s 0 RWD midas

...riment in Japan. Removal of these problems was an important improvement to MIDAS. To remember lessons learned and to avoid having these problems come back, The whole blow-by-blow account can be read on the MIDAS forum:

* [[Mhttpd|mhttpd MIDAS web server]] * [[Mhttpd.js|MIDAS Javascript library (mhttpd.js)]]