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C285

Testbeams and Testbeds: Approaches to Object-oriented Data Access in ATLAS

David Malon
 Argonne National Laboratory for the ATLAS Tile Calorimeter Software Team

Speaker: David Malon

  In the summer of 1999, ATLAS undertook a pilot project to develop object-oriented software that would simultaneously support tile calorimeter testbeam data analysis and provide a testbed for evaluation of candidate ATLAS software strategies. Strategies related to object persistence and to transient/persistent separation were of particular interest.
  Among the distinctive features of the resulting architecture are its detector-centric view, which allows physicists to focus on the detector when appropriate and permits the event model to remain opaque, and its ability to support multiple distinct transient/persistent mapping strategies concurrently. The software has been successfully applied to analysis of 1998 and 1999 ATLAS tile calorimeter testbeam data, with both input and output data stored in an object database.

Presentation:  PowerPoint Short Paper:  Adobe Acrobat pdf 



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