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Table of Contents
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Description of XTC

The original data objects are produced by on-line system and are shipped to offline in XTC format. LCLS XTC format inherited its main features from BaBar XTC format.

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There are several convenience classes for reading and examining the content of the XTC files. XtcFileIterator is an iterator class for reading the sequence of datagrams from the XTC files. XtcIterator is an abstract base class for iteration over the content of the single Xtc object. O2OTranslator package has a specific implementation of this iterator called O2OXtcIterator (and friend class O2OXtcScannerI).

Transitions in XTC data

Every object in XTC is a part of the specific "transition" and interpretation of the object contents is done in the context of that particular transition. These types of the transitions are defined now:

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