/data/refman/pasoursint/CMSSW_5_3_1/src/Fireworks/Candidates/src/FWLegoCandidate.cc

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#include "Fireworks/Candidates/interface/FWLegoCandidate.h"

#include "Fireworks/Core/interface/Context.h"
#include "Fireworks/Core/interface/FWViewContext.h"
#include "Fireworks/Core/interface/FWViewEnergyScale.h"

//______________________________________________________________________________
FWLegoCandidate::FWLegoCandidate( const FWViewContext *vc, const fireworks::Context &context, float energy, float et, float pt,
                                      float eta, float phi )
: m_energy(energy), m_et(et), m_pt(pt), m_eta(eta), m_phi(phi)
{
   float base = 0.001;  // Floor offset 1%

   // First vertical line
   FWViewEnergyScale *caloScale = vc->getEnergyScale();
   float val = caloScale->getPlotEt() ? m_pt : m_energy;    // Use pt instead of et

   AddLine( m_eta, m_phi, base,
            m_eta, m_phi, base + val * caloScale->getScaleFactorLego() );

   AddMarker( 0, 1.f );
   SetMarkerStyle( 3 );
   SetMarkerSize( 0.01 );
   SetDepthTest( false );

   // Circle pt
   const unsigned int nLineSegments = 20;
   const double radius = log( 1 + m_pt ) / log(10) / 30.f;
   //const double radius = m_pt / 100.f;
   const double twoPi = 2 * TMath::Pi();

   for( unsigned int iPhi = 0; iPhi < nLineSegments; ++iPhi )
   {
      AddLine( m_eta + radius * cos( twoPi / nLineSegments * iPhi ),
               m_phi + radius * sin( twoPi / nLineSegments * iPhi ),
               base,
               m_eta + radius * cos( twoPi / nLineSegments * ( iPhi + 1 ) ),
               m_phi + radius * sin( twoPi / nLineSegments * ( iPhi + 1 ) ),
               base );
   }
}

//______________________________________________________________________________
void
FWLegoCandidate::updateScale( const FWViewContext *vc, const fireworks::Context &context )
{
   FWViewEnergyScale *caloScale = vc->getEnergyScale();
   float val = caloScale->getPlotEt() ? m_pt : m_energy; // Use pt instead of et
   float scaleFac = caloScale->getScaleFactorLego();

   // Resize first line
   TEveChunkManager::iterator li( GetLinePlex() );
   li.next();
   TEveStraightLineSet::Line_t &l = * ( TEveStraightLineSet::Line_t* ) li();
   l.fV2[2] = l.fV1[2] + val * scaleFac;

   // Move end point (marker)
   TEveChunkManager::iterator mi( GetMarkerPlex() );
   mi.next();
   TEveStraightLineSet::Marker_t &m = * ( TEveStraightLineSet::Marker_t* ) mi();
   m.fV[2] = l.fV2[2];   // Set to new top of line
}