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What is JAS?

April 26, 2017jas

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What is JAS?

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Java Analysis Studio is an all-Java application for offline HEP analysis originated by Tony Johnson. Because of its strong real-time histogramming feature set, it is being adapted for online monitoring use in BaBar. JAS has a home page, at http://jas.freehep.org. • What features are provided by JAS? JAS was originally developed for offline analysis, so its current feature set is geared in that direction. It is able to perform a variety of operations on n-tuples, including plots, projections, fits, etc. See the JAS web page for more information and a tutorial of basic JAS features. There are several important features that are available with the latest release of JAS: • many pages, each containing numerous histograms • printing • functional fits • HTML-based layouts • What BaBar online functionality is currently supported? JAS, in combination with the JAS data servers in the JasInterface package, may be used to display the following data types: • 1D histograms • 2D histograms • profile