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MCVectors Class Reference

Show MC event momentum vectors. More...

#include <MCVectors.h>

List of all members.

Public Member Functions

 MCVectors (double x1, double y1, double x2, double y2)
virtual ~MCVectors ()
void Update (Mint *mint)

Private Attributes

TPad * fPad
TView * fView
TList * fParticles

Detailed Description

Show MC event momentum vectors.

Id
MCVectors.h,v 1.1 2003/01/28 16:59:58 bv Exp

Midad/Base

At construction, this will draw into gPad.

Contact: bv@bnl.gov

Created on: Tue Jan 28 10:06:34 2003

Definition at line 29 of file MCVectors.h.

Constructor & Destructor Documentation

MCVectors::MCVectors (  double  x1,
double  y1,
double  x2,
double  y2
) 
 

Definition at line 24 of file MCVectors.cxx.

References fPad, fParticles, fView, and pdg_kludge().

00025 {
00026     pdg_kludge();
00027 
00028     fPad = new TPad("MCVectors","MCVectors",x1,y1,x2,y2);
00029     fPad->Draw();
00030     fPad->cd();
00031 #if ROOT_VERSION_CODE >= ROOT_VERSION(5,15,3)
00032     fView = new TView3D(1,0,0);
00033 #else
00034     fView = new TView(1);
00035 #endif
00036     fView->ShowAxis();
00037     fView->SetAutoRange();
00038     fView->Centered();
00039 
00040     fParticles = new TList;
00041 }

MCVectors::~MCVectors (   )  [virtual]
 

Definition at line 44 of file MCVectors.cxx.

00045 {
00046 }

Member Function Documentation

void MCVectors::Update (  Mint *  mint  ) 
 

Definition at line 61 of file MCVectors.cxx.

References RecDataRecord< T >::FindComponent(), fPad, fParticles, MomNavigator::GetFragment(), Mint::GetJint(), and Jint::GetMom().

Referenced by PageDisplay::MakeMCVectors(), PageDisplay::UpdateDisplay(), and PageDisplay::UpdateTab().

00062 {
00063     fPad->cd();
00064 
00065 
00066 //    fPad->Clear();
00067 //    fPad->SetView(fView);
00068     fParticles->Delete();
00069 
00070     if (!mint) return;
00071     const MomNavigator* mom = mint->GetJint().GetMom();
00072     if (!mom) return;
00073 
00074     SimSnarlRecord* ssr = 
00075         dynamic_cast<SimSnarlRecord*>(mom->GetFragment("SimSnarlRecord"));
00076     if (!ssr) return;
00077     
00078     const TClonesArray* ctca = 
00079         dynamic_cast<const TClonesArray*>
00080         (ssr->FindComponent("TClonesArray","StdHep"));
00081     if (!ctca) return;
00082 
00083 
00084     int ind, siz = ctca->GetEntriesFast();
00085     double x1,y1,z1,x2,y2,z2;
00086     x1=y1=z1=x2=y2=z2=0.0;
00087     TParticle* first = 0;
00088     for (ind=0; ind < siz; ++ind) {
00089         TParticle* tmp = dynamic_cast<TParticle*>((*ctca)[ind]);
00090         if (!tmp) {
00091             cerr << "Non particle: " << (*ctca)[ind]->GetName() << endl;
00092             continue;
00093         }
00094 
00095         TParticle* p = new TParticle(*tmp);
00096         fParticles->Add(p);
00097 
00098         if (!ind) first = p;
00099 
00100         p->SetProductionVertex( 0,0,0,0);
00101 
00102         int mother = p->GetFirstMother();
00103         if (mother < 0) p->SetLineColor(2);
00104 
00105         p->Draw();
00106     }
00107     fPad->Modified();
00108     fPad->Update();
00109 
00110 }

Member Data Documentation

TPad* MCVectors::fPad [private]
 

Definition at line 39 of file MCVectors.h.

Referenced by MCVectors(), and Update().

TList* MCVectors::fParticles [private]
 

Definition at line 41 of file MCVectors.h.

Referenced by MCVectors(), and Update().

TView* MCVectors::fView [private]
 

Definition at line 40 of file MCVectors.h.

Referenced by MCVectors().

The documentation for this class was generated from the following files:
Generated on Mon Feb 15 11:09:31 2010 for loon by  doxygen 1.3.9.1