Last Updated on July 12, 2021
The Physics Analysis Workstation (PAW) was an interactive, scriptable open source tool for data analysis and graphical presentation in high energy physics. Developed at CERN since 1986, it was optimized for processing very large amounts of data. It was based on and intended for interoperation with components of CERNLIB, an extensive collection of Fortran libraries.
PAW was conceived as an instrument to assist physicists in the analysis and presentation of their data. It provided interactive graphical presentation and statistical or mathematical analysis, working on objects familiar to physicists like histograms, event files (Ntuples), vectors, etc.
It may be run in batch mode if desired for very large and time consuming data analyses; typically, however, the user will decide on an analysis procedure interactively before running a batch job.
The purpose of PAW was to provide many common analysis and display procedures that would be duplicated needlessly by individual programmers, to supply a flexible way to invoke these common procedures, and yet also to allow user customization where necessary.
Features include:
- Terminal window for command input; graphics window for output. With PAW++ users have multiple graphics windows for in/output.
- Operations on 3 data types:
- Vectors.
- Histograms.
- N-tuples.
- Functions:
- Plot user or built-in functions.
- 1, 2 or 3 dimensions.
- Wide range of representations.
- Uses its own scripting language.
- Has a Fortran intrepreter.
- Supports a subset of Fortran 77.
Website: No longer developed
Support:
Developer: CERN
License: GNU GPL v2
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