genie::masterclass::MCTruthDisplay Class Reference

Display MC truth info. More...

#include <MCTruthDisplay.h>

Public Member Functions
	MCTruthDisplay (TRootEmbeddedCanvas *ec=0, TGTextEdit *gtx=0)
	~MCTruthDisplay ()
void	DrawDiagram (EventRecord *event)
void	PrintEventRecord (EventRecord *event)

Private Attributes
TRootEmbeddedCanvas *	fEmbeddedCanvas
TGTextEdit *	fGTxt

Detailed Description

Display MC truth info.

Author

Costas Andreopoulos <c.andreopoulos cern.ch> University of Liverpool

Created:

November 30, 2007

License:

Copyright (c) 2003-2024, The GENIE Collaboration For the full text of the license visit http://copyright.genie-mc.org

Definition at line 29 of file MCTruthDisplay.h.

Constructor & Destructor Documentation

MCTruthDisplay::MCTruthDisplay	(	TRootEmbeddedCanvas *	ec = 0,
		TGTextEdit *	gtx = 0
	)

Definition at line 38 of file MCTruthDisplay.cxx.

                                                                         :
fEmbeddedCanvas(ec),
fGTxt(gtx)
{

}

MCTruthDisplay::~MCTruthDisplay

(

)

Definition at line 45 of file MCTruthDisplay.cxx.

{

}

Member Function Documentation

void MCTruthDisplay::DrawDiagram

(

EventRecord *

event

)

Definition at line 50 of file MCTruthDisplay.cxx.

References genie::units::A, genie::GHepParticle::A(), fEmbeddedCanvas, LOG, pINFO, and genie::utils::nuclear::Radius().

{
   if(!fEmbeddedCanvas) return;

   LOG("MasterClass", pINFO) << "Drawing input event diagram";

   fEmbeddedCanvas->GetCanvas()->cd();
   fEmbeddedCanvas->GetCanvas()->Clear();

   fEmbeddedCanvas->GetCanvas()->Range(0,0,30,30);
   fEmbeddedCanvas->GetCanvas()->SetFillColor(0);
   fEmbeddedCanvas->GetCanvas()->SetBorderMode(0);

   GHepParticle * target = event->TargetNucleus();
   if(target) {
      int A = target->A();
      double R = nuclear::Radius(A);
      TEllipse grpx_target(0,0,R,R);
      grpx_target.Draw();
      fEmbeddedCanvas->GetCanvas()->Update();
   }

   GHepParticle * p = 0;
   TIter event_iter(event);
   while ( (p = dynamic_cast<GHepParticle *>(event_iter.Next())) ) {


   }

   //
   // ...
   //

   fEmbeddedCanvas->GetCanvas()->Update();
}

void MCTruthDisplay::PrintEventRecord

(

EventRecord *

event

)

Definition at line 86 of file MCTruthDisplay.cxx.

References fGTxt.

{
  if(!fGTxt) return;

  ostringstream ghep;
  ghep << *event;
  string ghepstr = ghep.str(); // GHEP record as a single string

  // split GHEP string to get 1 line per particle - use '\n' as delimiter
  vector<string> lines;
  string delim = string("\n");
  while(ghepstr.find_first_of(delim) < ghepstr.length()) {
    lines.push_back(
          ghepstr.substr(0, ghepstr.find_first_of(delim)) );
     ghepstr = ghepstr.substr(
          ghepstr.find_first_of(delim)+1, ghepstr.length());
  }
  lines.push_back(ghepstr);

  // print GHEP entries to TGTextView
  vector<string>::iterator line_iter;
  for(line_iter = lines.begin(); line_iter != lines.end(); ++line_iter) {
    fGTxt->AddLine( line_iter->c_str() );
  }
}

Member Data Documentation

TRootEmbeddedCanvas* genie::masterclass::MCTruthDisplay::fEmbeddedCanvas

private

Definition at line 36 of file MCTruthDisplay.h.

Referenced by DrawDiagram().

TGTextEdit* genie::masterclass::MCTruthDisplay::fGTxt

private

Definition at line 37 of file MCTruthDisplay.h.

Referenced by PrintEventRecord().

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The documentation for this class was generated from the following files:

• MCTruthDisplay.h
• MCTruthDisplay.cxx