MTutorialAmplitudeFilter.cc

Example filter which selects events with amplitude in given range, implementation file.

Author

Marco Vignati

See header in MTutorialAmplitudeFilter.hh.

 
#include "MTutorialAmplitudeFilter.hh"
#include "QEvent.hh"
#include "QBaseType.hh"
 
 
REGISTER_MODULE(MTutorialAmplitudeFilter)
 
using namespace Diana;
 
// GetCuts method is called before the event loop (like QModule::Init())
void MTutorialAmplitudeFilter::GetCuts(const QEvent& ev)
{
    // Get cuts from config file
    fAmplitudeMinimum = GetDouble("AmplitudeMinimum",0);
    fAmplitudeMaximum = GetDouble("AmplitudeMaximum",10000);
    // Get from config file the label of the amplitude variable to be used
    fAmplitudeLabel = GetString("AmplitudeLabel","PulseBasicParameters@MaxBaseline");
    ev.RequireByLabel<QDouble>(fAmplitudeLabel);
 
}
 
// Filter method is called on each event (like QModule::Do())
bool MTutorialAmplitudeFilter::Filter(const QEvent& ev)
{
    // get amplitude from the event
    const QDouble& amp = ev.GetByLabel<QDouble>(fAmplitudeLabel);
    // true if amplitude is in the range, false otherwise
    if(amp > fAmplitudeMinimum && amp < fAmplitudeMaximum) {
        return true;
    }
    return false;
}
 
// There is no method called at the end of the event loop, like QModule::Done()