From 893f3576d6f65271c8db6cec6fd45a22acb1bfbf Mon Sep 17 00:00:00 2001
From: Andre Sailer <andre.philippe.sailer@cern.ch>
Date: Fri, 20 Mar 2015 15:14:32 +0000
Subject: [PATCH] LCIOFileReader: use directAccess for lcio files
This also now allows to skip events
---
DDG4/lcio/LCIOFileReader.cpp | 7 ++++---
1 file changed, 4 insertions(+), 3 deletions(-)
diff --git a/DDG4/lcio/LCIOFileReader.cpp b/DDG4/lcio/LCIOFileReader.cpp
index 16a7fc8ef..23038ee74 100644
--- a/DDG4/lcio/LCIOFileReader.cpp
+++ b/DDG4/lcio/LCIOFileReader.cpp
@@ -55,9 +55,10 @@ DECLARE_GEANT4_EVENT_READER_NS(DD4hep::Simulation,LCIOFileReader)
DD4hep::Simulation::LCIOFileReader::LCIOFileReader(const std::string& nam)
: LCIOEventReader(nam)
{
- m_reader = ::lcio::LCFactory::getInstance()->createLCReader();
+ m_reader = ::lcio::LCFactory::getInstance()->createLCReader(LCReader::directAccess);
printout(INFO,"LCIOFileReader","Created file reader. Try to open input %s",nam.c_str());
m_reader->open(nam);
+ m_directAccess = true;
}
/// Default destructor
@@ -67,8 +68,8 @@ DD4hep::Simulation::LCIOFileReader::~LCIOFileReader() {
/// Read an event and fill a vector of MCParticles.
Geant4EventReader::EventReaderStatus
-DD4hep::Simulation::LCIOFileReader::readParticleCollection(int /*event_number */, EVENT::LCCollection** particles) {
- ::lcio::LCEvent* evt = m_reader->readNextEvent();
+DD4hep::Simulation::LCIOFileReader::readParticleCollection(int event_number, EVENT::LCCollection** particles) {
+ ::lcio::LCEvent* evt = m_reader->readEvent(/*runNumber*/ 0, event_number);
if ( evt ) {
*particles = evt->getCollection(LCIO::MCPARTICLE);
if ( *particles ) return EVENT_READER_OK;
--
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