Introduction

This reference manual describes interfaces of various classes constituting psana analysis framework. For more user-oriented description with examples and detailed explanations consult Psana User Manual.

Packages

Framework code is split between several packages. Here is the list of few major packages:

• psana – psana application, base class for user module, few simple modules
• PSEvt – classes which deal with event data
• PSEnv – classes which constitute non-event data (environment)
• PSTime – classes for time representation and I/O
• RootHistoManager – histogramming package, wrapper for ROOT classes
• PSXtcInput – input module implementation for XTC files
• psddl_psana – interfaces for event data and configuration classes produced by LCLS DAQ
• ConfigSvc – configuration service
• MsgLogger – message logging service