| # Gaudi Framework, version v21r8 |

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# H3D.cpp

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    00001 #include "GaudiKernel/DataObject.h"
    00002 #include "GaudiKernel/ObjectFactory.h"
    00003 #include "GaudiPI.h"
    00004 #include "Generic3D.h"
    00005 #include "TH3D.h"
    00006
    00007 namespace Gaudi {
    00008
    00015   class GAUDI_API Histogram3D : public DataObject, public Generic3D<AIDA::IHistogram3D,TH3D>   {
    00016   public:
    00018     Histogram3D();
    00020     Histogram3D(TH3D* rep);
    00022     virtual ~Histogram3D() {}
    00024     bool fill ( double x, double y, double z, double weight);
    00026     virtual bool setBinContents( int i, int j, int k, int entries,double height,double error,double centreX, double centreY, double centreZ );
    00028     virtual bool setRms(double rmsX, double rmsY, double rmsZ);
    00029     // overwrite reset
    00030     virtual bool reset();
    00032     void* cast(const std::string & className) const;
    00034     void  copyFromAida(const AIDA::IHistogram3D & h);
    00036     virtual const CLID& clID() const { return Gaudi::Histogram3D::classID(); }
    00037     static const CLID& classID()     { return CLID_H3D; }
    00038
    00039   protected:
    00040     // cache sumwx and sumwy  when setting contents since I don't have bin mean
    00041     double m_sumwx;
    00042     double m_sumwy;
    00043     double m_sumwz;
    00044   };
    00045 }
    00046 typedef Gaudi::Histogram3D H3D;
    00047 DECLARE_DATAOBJECT_FACTORY(H3D)
    00048
    00049 namespace Gaudi {
    00050   template <>
    00051   void Generic3D<AIDA::IHistogram3D,TH3D>::adoptRepresentation(TObject* rep)  {
    00052     TH3D* imp = dynamic_cast<TH3D*>(rep);
    00053     if ( imp )  {
    00054       if ( m_rep ) delete m_rep;
    00055       m_rep = imp;
    00056       m_xAxis.initialize(m_rep->GetXaxis(),true);
    00057       m_yAxis.initialize(m_rep->GetYaxis(),true);
    00058       m_zAxis.initialize(m_rep->GetZaxis(),true);
    00059       const TArrayD* a = m_rep->GetSumw2();
    00060       if ( 0 == a || (a && a->GetSize()==0) ) m_rep->Sumw2();
    00061       setTitle(m_rep->GetTitle());
    00062       return;
    00063     }
    00064     throw std::runtime_error("Cannot adopt native histogram representation.");
    00065   }
    00066 }
    00067
    00069 std::pair<DataObject*,AIDA::IHistogram3D*>
    00070 Gaudi::createH3D(const std::string& title,int nBinsX,double xlow,double xup,int nBinsY,double ylow,double yup,int nBinsZ,double zlow,double zup) {
    00071   Histogram3D* p = new Histogram3D(new TH3D(title.c_str(),title.c_str(),nBinsX,xlow,xup,nBinsY,ylow,yup,nBinsZ,zlow,zup));
    00072   return std::pair<DataObject*,AIDA::IHistogram3D*>(p,p);
    00073 }
    00074
    00076 std::pair<DataObject*,AIDA::IHistogram3D*>
    00077 Gaudi::createH3D(const std::string& title, const Edges& eX,const Edges& eY,const Edges& eZ) {
    00078   Histogram3D* p = new Histogram3D(new TH3D(title.c_str(),title.c_str(),eX.size()-1,&eX.front(), eY.size()-1,&eY.front(), eZ.size()-1,&eZ.front()));
    00079   return std::pair<DataObject*,AIDA::IHistogram3D*>(p,p);
    00080 }
    00081
    00082 std::pair<DataObject*,AIDA::IHistogram3D*> Gaudi::createH3D(const AIDA::IHistogram3D& hist)  {
    00083   TH3D *h = getRepresentation<AIDA::IHistogram3D,TH3D>(hist);
    00084   Histogram3D *n = h ? new Histogram3D(new TH3D(*h)) : 0;
    00085   return std::pair<DataObject*,AIDA::IHistogram3D*>(n,n);
    00086 }
    00087
    00088 Gaudi::Histogram3D::Histogram3D() {
    00089   m_rep = new TH3D();
    00090   setTitle("");
    00091   m_rep->Sumw2();
    00092   m_sumEntries = 0;
    00093   m_sumwx = 0;
    00094   m_sumwy = 0;
    00095   m_sumwz = 0;
    00096   m_rep->SetDirectory(0);
    00097 }
    00098
    00099 Gaudi::Histogram3D::Histogram3D(TH3D* rep) {
    00100   m_rep = 0;
    00101   adoptRepresentation(rep);
    00102   m_sumEntries = 0;
    00103   m_sumwx = 0;
    00104   m_sumwy = 0;
    00105   m_sumwz = 0;
    00106   m_rep->SetDirectory(0);
    00107 }
    00108
    00109 // set bin content (entries and centre are not used )
    00110 bool Gaudi::Histogram3D::setBinContents(int i,int j,int k,int entries,double height,double error,double centreX, double centreY, double centreZ ) {
    00111   m_rep->SetBinContent(rIndexX(i), rIndexY(j), rIndexZ(k), height);
    00112   m_rep->SetBinError(rIndexX(i), rIndexY(j), rIndexZ(k), error);
    00113   // accumulate sum bin centers
    00114   if (i >=0 && j >= 0 && k >= 0) {
    00115     m_sumwx += centreX*height;
    00116     m_sumwy += centreY*height;
    00117     m_sumwz += centreZ*height;
    00118   }
    00119   m_sumEntries += entries;
    00120   return true;
    00121 }
    00122
    00123 bool Gaudi::Histogram3D::setRms(double rmsX, double rmsY, double rmsZ   ) {
    00124   m_rep->SetEntries(m_sumEntries);
    00125   std::vector<double> stat(11);
    00126   // sum weights
    00127   stat[0] =  sumBinHeights();
    00128   stat[1] = 0;
    00129   if (equivalentBinEntries() != 0)
    00130     stat[1] = (  sumBinHeights() * sumBinHeights() ) / equivalentBinEntries();
    00131   stat[2] = m_sumwx;
    00132   double meanX = 0;
    00133   if ( sumBinHeights() != 0 ) meanX =  m_sumwx/ sumBinHeights();
    00134   stat[3] = ( meanX*meanX + rmsX*rmsX )* sumBinHeights();
    00135   stat[4] = m_sumwy;
    00136   double meanY = 0;
    00137   if ( sumBinHeights() != 0 ) meanY =  m_sumwy/ sumBinHeights();
    00138   stat[5] = ( meanY*meanY + rmsY*rmsY )* sumBinHeights();
    00139   stat[6] = 0;
    00140   stat[7] = m_sumwz;
    00141   double meanZ = 0;
    00142   if ( sumBinHeights() != 0 ) meanZ =  m_sumwz/ sumBinHeights();
    00143   stat[8] = ( meanZ*meanZ + rmsZ*rmsZ )* sumBinHeights();
    00144   // do not need to use sumwxy sumwxz and sumwyz
    00145
    00146   m_rep->PutStats(&stat.front());
    00147   return true;
    00148 }
    00149
    00150 bool Gaudi::Histogram3D::reset (  )   {
    00151   m_sumwx = 0;
    00152   m_sumwy = 0;
    00153   m_sumwz = 0;
    00154   m_sumEntries = 0;
    00155   m_rep->Reset ( );
    00156   return true;
    00157 }
    00158
    00159 bool Gaudi::Histogram3D::fill ( double x, double y, double z, double weight)  {
    00160   m_rep->Fill ( x , y, z, weight );
    00161   return true;
    00162 }
    00163
    00164 void* Gaudi::Histogram3D::cast(const std::string & className) const   {
    00165   if (className == "AIDA::IHistogram3D")   {
    00166     return (AIDA::IHistogram3D*)this;
    00167   }
    00168   else if (className == "AIDA::IHistogram")   {
    00169     return (AIDA::IHistogram*)this;
    00170   }
    00171   return 0;
    00172 }
    00173
    00174 void Gaudi::Histogram3D::copyFromAida(const AIDA::IHistogram3D & h) {
    00175   delete m_rep;
    00176   // implement here the copy
    00177   const char* tit = h.title().c_str();
    00178   if (h.xAxis().isFixedBinning() && h.yAxis().isFixedBinning() &&  h.zAxis().isFixedBinning() )  {
    00179     m_rep = new TH3D(tit,tit,
    00180       h.xAxis().bins(), h.xAxis().lowerEdge(), h.xAxis().upperEdge(),
    00181       h.yAxis().bins(), h.yAxis().lowerEdge(), h.yAxis().upperEdge(),
    00182       h.zAxis().bins(), h.zAxis().lowerEdge(), h.zAxis().upperEdge() );
    00183   }
    00184   else {
    00185     Edges eX, eY, eZ;
    00186     for (int i =0; i < h.xAxis().bins(); ++i)
    00187       eX.push_back(h.xAxis().binLowerEdge(i));
    00188     // add also upperedges at the end
    00189     eX.push_back(h.xAxis().upperEdge() );
    00190     for (int i =0; i < h.yAxis().bins(); ++i)
    00191       eY.push_back(h.yAxis().binLowerEdge(i));
    00192     // add also upperedges at the end
    00193     eY.push_back(h.yAxis().upperEdge() );
    00194     for (int i =0; i < h.zAxis().bins(); ++i)
    00195       eZ.push_back(h.zAxis().binLowerEdge(i));
    00196     // add also upperedges at the end
    00197     eZ.push_back(h.zAxis().upperEdge() );
    00198     m_rep = new TH3D(tit,tit,eX.size()-1,&eX.front(),eY.size()-1,&eY.front(),eZ.size()-1,&eZ.front());
    00199   }
    00200   m_xAxis.initialize(m_rep->GetXaxis(),true);
    00201   m_yAxis.initialize(m_rep->GetYaxis(),true);
    00202   m_zAxis.initialize(m_rep->GetZaxis(),true);
    00203   const TArrayD* a = m_rep->GetSumw2();
    00204   if ( 0 == a || (a && a->GetSize()==0) ) m_rep->Sumw2();
    00205   m_sumEntries = 0;
    00206   m_sumwx = 0;
    00207   m_sumwy = 0;
    00208   m_sumwz = 0;
    00209
    00210   // statistics
    00211   double sumw   = h.sumBinHeights();
    00212   double sumw2  = 0;
    00213   if (h.equivalentBinEntries() != 0)
    00214     sumw2 = ( sumw * sumw ) /h.equivalentBinEntries();
    00215   double sumwx  = h.meanX()*h.sumBinHeights();
    00216   double sumwx2 = (h.meanX()*h.meanX() + h.rmsX()*h.rmsX() )*h.sumBinHeights();
    00217   double sumwy  = h.meanY()*h.sumBinHeights();
    00218   double sumwy2 = (h.meanY()*h.meanY() + h.rmsY()*h.rmsY() )*h.sumBinHeights();
    00219   double sumwz  = h.meanZ()*h.sumBinHeights();
    00220   double sumwz2 = (h.meanZ()*h.meanZ() + h.rmsZ()*h.rmsZ() )*h.sumBinHeights();
    00221   double sumwxy = 0;
    00222   double sumwxz = 0;
    00223   double sumwyz = 0;
    00224
    00225   // copy the contents in  (AIDA underflow/overflow are -2,-1)
    00226   for (int i=-2; i < xAxis().bins(); ++i) {
    00227     for (int j=-2; j < yAxis().bins(); ++j) {
    00228       for (int k=-2; k < zAxis().bins(); ++k) {
    00229         m_rep->SetBinContent(rIndexX(i), rIndexY(j), rIndexZ(k), h.binHeight(i,j,k) );
    00230         m_rep->SetBinError(rIndexX(i), rIndexY(j), rIndexZ(k), h.binError(i,j,k) );
    00231         // calculate statistics
    00232         if ( i >= 0 && j >= 0 && k >= 0) {
    00233           sumwxy += h.binHeight(i,j,k)*h.binMeanX(i,j,k)*h.binMeanY(i,j,k);
    00234           sumwxz += h.binHeight(i,j,k)*h.binMeanX(i,j,k)*h.binMeanZ(i,j,k);
    00235           sumwyz += h.binHeight(i,j,k)*h.binMeanY(i,j,k)*h.binMeanZ(i,j,k);
    00236         }
    00237       }
    00238     }
    00239   }
    00240   // need to do set entries after setting contents otherwise root will recalulate them
    00241   // taking into account how many time  SetBinContents() has been called
    00242   m_rep->SetEntries(h.allEntries());
    00243
    00244   // fill stat vector
    00245   std::vector<double> stat(11);
    00246   stat[0] = sumw;
    00247   stat[1] = sumw2;
    00248   stat[2] = sumwx;
    00249   stat[3] = sumwx2;
    00250   stat[4] = sumwy;
    00251   stat[5] = sumwy2;
    00252   stat[6] = sumwxy;
    00253   stat[7] = sumwz;
    00254   stat[8] = sumwz2;
    00255   stat[9] = sumwxz;
    00256   stat[10] = sumwyz;
    00257   m_rep->PutStats(&stat.front());
    00258 }