View source for Evio2root transitions.C

<pre>
#include <math.h> 

void evio2rootAnalysis_transitions()
{

  double theta,phi,PhiLimit;
  double thetaWire,phiWire,vector;
  double length;

  int      gpart;
  int     gpid[20];
  double  gpx[20];
  double  gpy[20];
  double  gpz[20];
  double  gx[20],gy[20],gz[20];

  Float_t   theoryLeft;
  Float_t   theoryRight;

  int  nhits = 0;
  int  dpid[105000];
  int  mpid[105000];
  int  mtid[105000];
  int  otid[105000];
  double X[105000];
  double Y[105000];
  double Z[105000];
  int  procID[105000];
  int  sector[105000];
  //int  superlayer[500];
  int  layer[105000];
  int  wire[105000];
  int  dnhits[105000];

  TFile *f = new TFile("LH2_0Sol_0Tor_11GeV_0Phi_ShieldOut.root");
  TTree *T = (TTree*) f->Get("clas12");

  T->GetBranch("GenPart")->GetLeaf("gpart")->SetAddress(&gpart);
  T->GetBranch("GenPart")->GetLeaf("pid")->SetAddress(gpid);
  T->GetBranch("GenPart")->GetLeaf("px")->SetAddress(gpx);
  T->GetBranch("GenPart")->GetLeaf("py")->SetAddress(gpy);
  T->GetBranch("GenPart")->GetLeaf("pz")->SetAddress(gpz);    
  T->GetBranch("GenPart")->GetLeaf("x")->SetAddress(gx);
  T->GetBranch("GenPart")->GetLeaf("y")->SetAddress(gy);
  T->GetBranch("GenPart")->GetLeaf("z")->SetAddress(gz);    
  T->Notify();

  T->GetLeaf("theoryLeft")->SetAddress(&theoryLeft);
  T->GetLeaf("theoryRight")->SetAddress(&theoryRight);
  T->Notify();

  T->GetBranch("Detector")->GetLeaf("nhits")->SetAddress(&nhits);
  T->GetBranch("Detector")->GetLeaf("dpid")->SetAddress(dpid);
  T->GetBranch("Detector")->GetLeaf("mpid")->SetAddress(mpid);
  T->GetBranch("Detector")->GetLeaf("mtid")->SetAddress(mtid);
  T->GetBranch("Detector")->GetLeaf("otid")->SetAddress(otid);
  T->GetBranch("Detector")->GetLeaf("X")->SetAddress(X);
  T->GetBranch("Detector")->GetLeaf("Y")->SetAddress(Y);
  T->GetBranch("Detector")->GetLeaf("Z")->SetAddress(Z);
  T->GetBranch("Detector")->GetLeaf("procID")->SetAddress(procID);
  T->GetBranch("Detector")->GetLeaf("sector")->SetAddress(sector);
  //T->GetBranch("Detector")->GetLeaf("superlayer")->SetAddress(superlayer);
  T->GetBranch("Detector")->GetLeaf("layer")->SetAddress(layer);    
  T->GetBranch("Detector")->GetLeaf("wire")->SetAddress(wire);
  T->Notify();

  wire_test=1;


  
  for(int i = 0; i < 33400; i++)
  {     

        T->GetEntry(i);
        theta=(i*.001)+5;
        phi=0.0;   
        if(wire[0]>wire_test)
        {
                wire_test=wire_test+1;
                length=X[0]*X[0]+Y[0]*Y[0]+Z[0]*Z[0];
                length=sqrt(length);
                theta=acos(Z[0]/length)*180/3.14159265359;
                vector=X[0]*X[0]+Y[0]*Y[0];
                vector=sqrt(vector);
                phi=acos(X[0]/vector)*180/3.14159265359;

                printf("{%.4f , %.4f},",X[0],Z[0]);  
      }    


  }
}

</pre>