THE STAR OFFLINE FRAMEWORK.

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The Solenoidal Tracker At RHIC (STAR) is a-large acceptance collider detector, commissioned at Brookhaven National Laboratory in 1999. STAR has developed a software framework supporting simulation, reconstruction and analysis in offline production, interactive physics analysis and online monitoring environments that is well matched both to STAR's present status of transition between Fortran and C++ based software and to STAR's evolution to a fully OO software base. This paper presents the results of two years effort developing a modular C++ framework based on the ROOT package that encompasses both wrapped Fortran components (legacy simulation and reconstruction code) served by IDL-defined data ... continued below

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6 pages

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FINE,V.; FISYAK,Y.; PEREVOZTCHIKOV,V. & WENAUS,T. February 7, 2000.

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Description

The Solenoidal Tracker At RHIC (STAR) is a-large acceptance collider detector, commissioned at Brookhaven National Laboratory in 1999. STAR has developed a software framework supporting simulation, reconstruction and analysis in offline production, interactive physics analysis and online monitoring environments that is well matched both to STAR's present status of transition between Fortran and C++ based software and to STAR's evolution to a fully OO software base. This paper presents the results of two years effort developing a modular C++ framework based on the ROOT package that encompasses both wrapped Fortran components (legacy simulation and reconstruction code) served by IDL-defined data structures, and fully OO components (all physics analysis code) served by a recently developed object model for event data. The framework supports chained components, which can themselves be composite subchains, with components (''makers'') managing ''data sets'' they have created and are responsible for. An St-DataSet class from which data sets and makers inherit allows the construction of hierarchical organizations of components and data, and centralizes almost all system tasks such as data set navigation, I/O, database access, and inter-component communication. This paper will present an overview of this system, now deployed and well exercised in production environments with real and simulated data, and in an active physics analysis development program.

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6 pages

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INIS; OSTI as DE00780775

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  • COMPUTING IN HIGH ENERGY PHYSICS, PADOVA (IT), 02/07/2000--02/11/2000

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  • Report No.: BNL--68207
  • Report No.: KB0201
  • Grant Number: AC02-98CH10886
  • Office of Scientific & Technical Information Report Number: 780775
  • Archival Resource Key: ark:/67531/metadc717082

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Office of Scientific & Technical Information Technical Reports

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  • February 7, 2000

Added to The UNT Digital Library

  • Sept. 29, 2015, 5:31 a.m.

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  • Nov. 9, 2015, 9:22 p.m.

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FINE,V.; FISYAK,Y.; PEREVOZTCHIKOV,V. & WENAUS,T. THE STAR OFFLINE FRAMEWORK., article, February 7, 2000; Upton, New York. (digital.library.unt.edu/ark:/67531/metadc717082/: accessed October 18, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.