Package pyana

Module event

Class Event

Construction

Usage: evt = Event(dg)

Creates event object from the corresponding XTC datagram object.

Parameters:

• dg – datagram object of type _pdsdata.xtc.Dgram

Method seq()

Usage: s = evt.seq()

Returns _pdsdata.xtc.Seq object, equivalent to dg.seq

Method getTime()

Usage: t = evt.getTime()

Returns _pdsdata.xtc.ClockTime object, equivalent to dg.seq.clock()

Method find()

Usage: objects = evt.find(...)

Returns possibly empty list of data objects contained in the event. This method accepts a number of arguments, but all arguments are optional. If no arguments are given then a list of all data objects is returned. If some arguments are given then only those objects that satisfy a particular criteria are returned. The list of possible keyword arguments:

• typeId – accepts one of the xtc.TypeId.Type.<Xxx>, only return objects which have that TypeId
• version – accepts number, only return objects whose type version number is equal to number
• level – accepts one of xtc.Level.<Xxx> values, only returns objects originated at that level
• detector – accepts one of xtc.DetInfo.Detector.<Xxx> values, only returns objects produced by this detector
• detId – accepts number, only returns objects produced by this detector ID
• detector – accepts one of xtc.DetInfo.Device.<Xxx> values, only returns objects produced by this device
• devId – accepts number, only returns objects produced by this device ID