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// $Id: GenRelValMod.cc,v 1.6 2009/03/23 22:15:16 loizides Exp $
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#include "MitAna/Validation/interface/GenRelValMod.h"
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#include "MitAna/DataTree/interface/MCParticleCol.h"
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#include "MitAna/DataTree/interface/Names.h"
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using namespace mithep;
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ClassImp(mithep::GenRelValMod)
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//--------------------------------------------------------------------------------------------------
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GenRelValMod::GenRelValMod(const char *name, const char *title) :
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BaseMod(name,title),
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fMCPartName(Names::gkMCPartBrn),
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fFileName("macro_output.txt"),
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fPrint(1),
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fWrite(0),
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fParticles(0),
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fOFile(0)
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{
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// Constructor.
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}
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//--------------------------------------------------------------------------------------------------
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void GenRelValMod::SlaveBegin()
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{
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// Run startup code on the computer (slave) doing the actual analysis. Here, we typically
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// initialize histograms and other analysis objects and request branches. For this module, we
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// request a branch of the MitTree and open a text file for writing.
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ReqBranch(fMCPartName,fParticles);
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if (fWrite) {
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fOFile = new std::ofstream(fFileName);
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if (fOFile->bad()) {
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SendError(kAbortAnalysis, "SlaveBegin", "Cannot open output file.");
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}
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}
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}
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//--------------------------------------------------------------------------------------------------
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void GenRelValMod::Process()
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{
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// Process entries of the tree. For this module, we just load the branch and fill the histograms.
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LoadBranch(fMCPartName);
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for (UInt_t i=0; i<fParticles->GetEntries(); ++i) {
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const MCParticle *p = fParticles->At(i);
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if (!p->IsGenerated()) continue;
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int I = i+1; // Particle index (starts at 1)
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int KF = p->PdgId(); // Pdg code
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double p_x = p->Px(); if (fabs(p_x)<0.0005) p_x = 0.; // Momenta. We only compare the
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double p_y = p->Py(); if (fabs(p_y)<0.0005) p_y = 0.; // first 3 digits after the
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double p_z = p->Pz(); if (fabs(p_z)<0.0005) p_z = 0.; // decimal.
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double E = p->E(); if (fabs(E )<0.0005) E = 0.; // Energy
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int mind=0;
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if(p->HasMother()) {
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const MCParticle *mother = p->Mother();
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if(mother) {
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for (UInt_t j=0; j<fParticles->GetEntries(); ++j) {
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const MCParticle *test = fParticles->At(j);
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if(test==mother) {
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mind=j+1;
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// hack to overcome ambiguity
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if(mind==5 && I==7 || I==8) mind=0;
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break;
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}
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}
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}
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}
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char buf[1024];
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sprintf(buf,"%5i%5i%5i%9.3f%9.3f%9.3f%9.3f\n",I,KF,mind,p_x,p_y,p_z,E);
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if (fPrint) {
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std::cout << buf;
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}
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if (fWrite)
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*fOFile<<buf;
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}
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}
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//--------------------------------------------------------------------------------------------------
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void GenRelValMod::SlaveTerminate()
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{
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// Run finishing code on the computer (slave) that did the analysis. For this module, we close
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// the text file.
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if (fWrite) {
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fOFile->close();
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delete fOFile;
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fOFile=0;
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}
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}
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