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Commit 3f0a9b79 authored by Frank Siegert's avatar Frank Siegert
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svn merge -c20114 svn+ssh://svn.hepforge.org/hepforge/svn/sherpa/trunk/SHERPA... 

svn merge -c20114 svn+ssh://svn.hepforge.org/hepforge/svn/sherpa/trunk/SHERPA . (Introduce option in FastjetFinder to require separated b-jets in an additive sense.)
parent a9cb4593
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Showing with 62 additions and 14 deletions
ATOOLS/Org/CXXFLAGS_PACKAGES.H.in
View file @ 3f0a9b79
......@@ -40,6 +40,9 @@
/* using FASTJET */
#undef USING__FASTJET
/* using FASTJET 3 */
#undef USING__FASTJET__3
/* using BLACKHAT */
#undef USING__BLACKHAT
......
PHASIC++/Selectors/Fastjet_Finder.C
View file @ 3f0a9b79
......@@ -10,12 +10,15 @@
namespace PHASIC {
class Fastjet_Finder : public Selector_Base {
double m_ptmin,m_etmin,m_delta_r,m_f,m_eta,m_y;
int m_nb;
fastjet::JetDefinition * p_jdef;
fastjet::SISConePlugin * p_siscplug;
bool BTag(const fastjet::PseudoJet& jet);
public:
Fastjet_Finder(int nin, int nout,ATOOLS::Flavour * fl,std::string algo,
double ptmin, double etmin, double dr, double f, double eta, double y, int nn);
double ptmin, double etmin, double dr, double f, double eta, double y, int nn, int nb);
~Fastjet_Finder();
......@@ -48,9 +51,9 @@ using namespace ATOOLS;
--------------------------------------------------------------------- */
Fastjet_Finder::Fastjet_Finder(int nin, int nout,ATOOLS::Flavour * fl, std::string algo,
double ptmin, double etmin, double dr, double f, double eta, double y, int nn) :
double ptmin, double etmin, double dr, double f, double eta, double y, int nn, int nb) :
Selector_Base("Fastjetfinder"), m_ptmin(ptmin), m_etmin(etmin),
m_delta_r(dr), m_f(f), m_eta(eta), m_y(y), p_jdef(0), p_siscplug(0)
m_delta_r(dr), m_f(f), m_eta(eta), m_y(y), m_nb(nb), p_jdef(0), p_siscplug(0)
{
fastjet::JetAlgorithm ja(fastjet::kt_algorithm);
......@@ -93,23 +96,30 @@ bool Fastjet_Finder::Trigger(const Vec4D_Vector &p)
std::vector<fastjet::PseudoJet> input,jets;
for (size_t i(m_nin);i<p.size();++i) {
if (m_fl[i].Strong())
input.push_back(fastjet::PseudoJet(p[i][1],p[i][2],p[i][3],p[i][0]));
if (m_fl[i].Strong()) {
fastjet::PseudoJet tmp(p[i][1],p[i][2],p[i][3],p[i][0]);
tmp.set_user_index(m_fl[i].HepEvt());
input.push_back(tmp);
}
}
fastjet::ClusterSequence cs(input,*p_jdef);
jets=cs.inclusive_jets();
int n=0;
int n(0), nb(0);
for (size_t i(0);i<jets.size();++i) {
Vec4D pj(jets[i].E(),jets[i].px(),jets[i].py(),jets[i].pz());
if (pj.PPerp()>m_ptmin&&pj.EPerp()>m_etmin &&
(m_eta==100 || dabs(pj.Eta())<m_eta) &&
(m_y==100 || dabs(pj.Y())<m_y)) n++;
(m_y==100 || dabs(pj.Y())<m_y)) {
n++;
if (BTag(jets[i])) nb++;
}
}
bool trigger(true);
if (n<m_n) trigger=false;
if (nb<m_nb) trigger=false;
return (1-m_sel_log->Hit(1-trigger));
}
......@@ -121,27 +131,52 @@ bool Fastjet_Finder::JetTrigger(const Vec4D_Vector &p,
std::vector<fastjet::PseudoJet> input,jets;
for (size_t i(m_nin);i<subs->back()->m_n;++i) {
if (subs->back()->p_fl[i].Strong())
input.push_back(fastjet::PseudoJet(p[i][1],p[i][2],p[i][3],p[i][0]));
if (subs->back()->p_fl[i].Strong()) {
fastjet::PseudoJet tmp(p[i][1],p[i][2],p[i][3],p[i][0]);
tmp.set_user_index(m_fl[i].HepEvt());
input.push_back(tmp);
}
}
fastjet::ClusterSequence cs(input,*p_jdef);
jets=cs.inclusive_jets();
int n=0;
int n(0), nb(0);
for (size_t i(0);i<jets.size();++i) {
Vec4D pj(jets[i].E(),jets[i].px(),jets[i].py(),jets[i].pz());
if (pj.PPerp()>m_ptmin&&pj.EPerp()>m_etmin &&
(m_eta==100 || dabs(pj.Eta())<m_eta) &&
(m_y==100 || dabs(pj.Y())<m_y)) n++;
(m_y==100 || dabs(pj.Y())<m_y)) {
n++;
if (BTag(jets[i])) nb++;
}
}
bool trigger(true);
if (n<m_n) trigger=false;
if (nb<m_nb) trigger=false;
return (1-m_sel_log->Hit(1-trigger));
}
bool Fastjet_Finder::BTag(const fastjet::PseudoJet& jet)
{
if (m_nb<0) return false; // for performance reasons
#ifdef USING__FASTJET__3
int nb=0;
std::vector<fastjet::PseudoJet> cons = jet.constituents();
for (size_t i=0; i<cons.size(); ++i) {
if (cons[i].user_index()==5) ++nb;
if (cons[i].user_index()==-5) --nb;
}
return (nb!=0);
#else
return false;
#endif
}
namespace PHASIC{
......@@ -156,6 +191,11 @@ Selector_Base *Fastjet_Finder_Getter::operator()(const Selector_Key &key) const
double eta(100.), y(100.);
if (key.front().size()>=7) eta=ToType<double>(key[0][6]);
if (key.front().size()>=8) y=ToType<double>(key[0][7]);
int nb(-1);
if (key.front().size()>=9) nb=ToType<int>(key[0][8]);
#ifndef USING__FASTJET__3
if (nb>0) THROW(fatal_error, "b-tagging in FastjetFinder needs FastJet >= 3.0.");
#endif
Fastjet_Finder *jf(new Fastjet_Finder(key.p_proc->NIn(),key.p_proc->NOut(),
(Flavour*)&key.p_proc->Process()->Flavours().front(),
......@@ -163,14 +203,14 @@ Selector_Base *Fastjet_Finder_Getter::operator()(const Selector_Key &key) const
ToType<double>(key.p_read->Interpreter()->Interprete(key[0][2])),
ToType<double>(key.p_read->Interpreter()->Interprete(key[0][3])),
ToType<double>(key[0][4]),f,eta,y,
ToType<int>(key[0][1])));
ToType<int>(key[0][1]),nb));
jf->SetProcess(key.p_proc);
return jf;
}
void Fastjet_Finder_Getter::PrintInfo(std::ostream &str,const size_t width) const
{
str<<"FastjetFinder algorithm n ptmin etmin dr [f(siscone)=0.75 [eta=100 [y=100]]]\n"
str<<"FastjetFinder algorithm n ptmin etmin dr [f(siscone)=0.75 [eta=100 [y=100 [nb=-1]]]]\n"
<<" algorithm: kt,antikt,cambridge,siscone";
}
......
m4/acinclude.m4
View file @ 3f0a9b79
......@@ -468,6 +468,7 @@ AC_DEFUN([SHERPA_SETUP_CONFIGURE_OPTIONS],
CONDITIONAL_FASTJETDIR="$FASTJETDIR"
CONDITIONAL_FASTJETINCS="$($CONDITIONAL_FASTJETDIR/bin/fastjet-config --cxxflags)";
CONDITIONAL_FASTJETLIBS="$($CONDITIONAL_FASTJETDIR/bin/fastjet-config --libs --plugins=yes)"
CONDITIONAL_FASTJETVERSION="$($CONDITIONAL_FASTJETDIR/bin/fastjet-config --version)";
else
AC_MSG_ERROR(\$FASTJETDIR is not a valid path.);
fi;
......@@ -476,6 +477,7 @@ AC_DEFUN([SHERPA_SETUP_CONFIGURE_OPTIONS],
CONDITIONAL_FASTJETDIR="${enableval}"
CONDITIONAL_FASTJETINCS="$($CONDITIONAL_FASTJETDIR/bin/fastjet-config --cxxflags)";
CONDITIONAL_FASTJETLIBS="$($CONDITIONAL_FASTJETDIR/bin/fastjet-config --libs --plugins=yes)"
CONDITIONAL_FASTJETVERSION="$($CONDITIONAL_FASTJETDIR/bin/fastjet-config --version)";
else
AC_MSG_ERROR(${enableval} is not a valid path.);
fi;
......@@ -487,6 +489,9 @@ AC_DEFUN([SHERPA_SETUP_CONFIGURE_OPTIONS],
if test "$fastjet" = "true" ; then
AC_DEFINE([USING__FASTJET], "1", [Using FASTJET])
fi
if test "$(echo $CONDITIONAL_FASTJETVERSION | cut -d . -f 1)" = "3"; then
AC_DEFINE([USING__FASTJET__3], "1", [Using FASTJET 3])
fi
AC_SUBST(CONDITIONAL_FASTJETDIR)
AC_SUBST(CONDITIONAL_FASTJETINCS)
AC_SUBST(CONDITIONAL_FASTJETLIBS)
......
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