Accessing Data for Monitoring

{ gSystem->Load("$EVT_LIB/libEvent.so");

h1f = new TH1F("h1f","Test random numbers",100,-49.5,50.5);

Eventiterator *it =

new testEventiterator(); // random number

// new ddEventiterator("online"); // DD Pool

// new fileEventiterator ("xx.evt"); // file

int iCh = 0;

int packetId = 1003;

for (int i=0; i򓍸 i++) {

Event *e = it->getNextEvent();

Packet *p = e->getPacket(packetId);

h1f->Fill( p->iValue(iCh) );

delete p;

delete e;

}

delete it;

h1f->Draw();

}

• ddEventiterator : Read the event data from

a data distributor(DD)pool.

• testEventiterator : Creates Event objects with

known properties from scratch.

• fileEventiterator : Read the event data from

a data file on disk.

前のｽﾗｲﾄﾞ

次のｽﾗｲﾄﾞ

最初のｽﾗｲﾄﾞに戻る

ｸﾞﾗﾌｨｯｸｽの表示