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== Description ==
MIDAS (Maximum Integration Data Acquisition System) has been developed as a general purpose data acquisition system for small and medium scale experiments originally by Stefan Ritt in 1993, followed by Pierre-André Amaudruz in 1996. It is written in [[C (programming language)|C]] and published under the [[GPL]].
The experiment complexity ranges from test systems, where a single PC is connected to CAMAC via a PC-CAMAC interface, to experiments with several front-end computers and analysis nodes. The system currently runs under [[LINUX]], [[MS Windows]], various versions of UNIX, [[OpenVMS|VMS]], [[VxWorks]] and [[MS-DOS]] and can be ported easily to virtually any operating system which supports [[Internet_socket|TCP/IP sockets]].
A speed optimized RPC layer is used for data exchange, with which sustained data rates of 980kB/sec ([[10BaseT]]), 8.7MB/sec ([[100BaseT]]) and up to 98MB/sec ([[Gigabit Ethernet|1000BaseT]]). An integrated slow control system contains a fast online database and a history system. Drivers exist for CAMAC, VME, Fastbus, High Voltage Crates, GBIB and several PC plug-in DAQ boards. A framework is supplied which can be extended by user code for front-end readout on one side and data analysis on the other side. The online data can be presented by [[Physics Analysis Workstation|PAW]] as histograms and N-tuples as well as by [[ROOT]]. A dedicated HTTP server gives fast Web access for experiment control and to access the slow control system including a graphical representaion of variable trends (history display).
== Usage of MIDAS ==
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