Automatic scanning and measuring using POLLY
The HPD and PEPR automatic measuring systems, which have been described by B. Powell and I. Pless at this conference, were developed in the 1960`s to be used for what would now be called {open_quotes}batch processing.{close_quotes} That is, an entire reel of bubble chamber film containing interesting events whose tracks had been rough-digitized would be processed in an extended run by a dedicated computer/precision digitizer hardware system, with no human intervention. Then, at a later time, events for which the precision measurement did not appear to be successful would be handled with some type of {open_quotes}fixup{close_quotes} station or process. By contrast, the POLLY system included from the start, not only a computer and a precision CRT measuring device, but also a human operator who could have convenient two-way interactions with the computer and could also view the picture directly. Inclusion of a human as a key part of the system had some important beneficial effects, as has been described in the original papers. In this note the author summarizes those effects, and also points out connections between the POLLY system philosophy and subsequent developments in both high energy physics data analysis and computing systems.
- Research Organization:
- Argonne National Lab. (ANL), Argonne, IL (United States)
- Sponsoring Organization:
- USDOE, Washington, DC (United States)
- DOE Contract Number:
- W-31109-ENG-38
- OSTI ID:
- 10192160
- Report Number(s):
- ANL-HEP-CP-93-79; CONF-930719-1; ON: DE94002209; TRN: 93:025621
- Resource Relation:
- Journal Volume: 36; Conference: Conference on the bubble chamber and its role in particle physics, Geneva (Switzerland), 14-16 Jul 1993
- Country of Publication:
- United States
- Language:
- English
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