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Last update: Apr 1, 2000

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The usage of ROOT for Online Monitoring in the ALICE DATE system

Roberto Divia1, Krzysztof Zelazowski1, Fons Rademakers2
  1. CERN
  2. GSI

Speaker: Roberto Divia

  Data Acquisition systems for HEP applications need constant monitoring (online and offline) of their data streams to accomplish several tasks: quality checking, tuning, statistics, pre-analysis. Monitoring tasks can and should use the same tools as data analysis products (conventions, libraries, environments) to reduce training, installation, development and support efforts and - at the same time - to strengthen the liaison between the online and the offline worlds. The ALICE DATE Data Acquisition system available today for R&D and for test beams is fully integrated with the ROOT environment. A simple DAQ-oriented approach and a more complex OO-based model have been developed to allow a variety of programming paradigms and to validate the complete life cycle of monitoring tools, both for online and offline environments.

Presentation:  PowerPoint Short Paper:  Adobe Acrobat pdf 

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