FWBoxRecHit.cc

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#include "TEveCompound.h"

#include "Fireworks/Calo/interface/FWBoxRecHit.h"
#include "Fireworks/Core/interface/Context.h"
#include "Fireworks/Core/interface/FWViewEnergyScale.h"
#include "Fireworks/Core/interface/CmsShowCommon.h"


//______________________________________________________________________________
FWBoxRecHit::FWBoxRecHit( const std::vector<TEveVector> &corners, TEveElement *list,float e , float et):
    m_tower(0), m_ls(0), m_energy(e), m_et(et), m_isTallest(false)
{
   buildTower( corners);
   buildLineSet( corners);

   TEveCompound* h = new TEveCompound("rechit box", "tower");
   list->AddElement(h);
   h->CSCApplyMainColorToAllChildren();
   h->AddElement( m_tower);
   h->AddElement( m_ls );
}

//______________________________________________________________________________
/*
 FWViewEnergyScale*
 FWBoxRecHit::getEnergyScale() const
 {
    return  fireworks::Context::getInstance()->commonPrefs()->getEnergyScale();
 }
*/

//______________________________________________________________________________
void
FWBoxRecHit::setupEveBox( std::vector<TEveVector> &corners, float scale )
{
    // printf("---\n");
   //   TEveVector z(0.f, 0.f, 0.f);
   for( size_t i = 0; i < 4; ++i)
   {
      int j = i + 4;
      corners[i+4].fZ =  scale;
      m_tower->SetVertex( i, corners[i] );
      m_tower->SetVertex( j, corners[j] );
      //  printf("%ld -> %f, %f , height=%f \n",i, corners[i].fX, corners[i].fY, scale);
   }

   m_tower->SetLineWidth( 1.0 );
   m_tower->SetLineColor( kBlack );
}

//______________________________________________________________________________
void
FWBoxRecHit::buildTower( const std::vector<TEveVector> &corners )
{
   m_tower = new TEveBox( "EcalRecHitTower" );
   std::vector<TEveVector> towerCorners = corners;
   /*
   FWViewEnergyScale *caloScale = 1;//getEnergyScale();
   float val = caloScale->getPlotEt() ? m_et : m_energy;
   float scale = caloScale->getScaleFactorLego() * val;

   if( scale < 0 )
      scale *= -1;
   */
   setupEveBox( towerCorners, 0.01f );
}

//______________________________________________________________________________
void
FWBoxRecHit::buildLineSet( const std::vector<TEveVector> &corners )
{
   m_ls = new TEveStraightLineSet( "EcalRecHitLineSet" );


   const float *data;
   TEveVector c;
   for( unsigned int i = 0; i < 4; ++i )
   {
      data = m_tower->GetVertex( i );
      c.fX += data[0];
      c.fY += data[1];
      m_ls->AddLine( data[0], data[1], 0, data[0], data[1], 0);

   }
   c *= 0.25;

   
   // last line is trick to add a marker in line set
   m_ls->SetMarkerStyle( 1 );
   m_ls->AddLine( c.fX, c.fY, c.fZ, c.fX, c.fY, c.fZ );
   m_ls->AddMarker( 0, 0. );


   m_ls->ResetBBox();
   m_ls->ComputeBBox();
}

//______________________________________________________________________________
void
FWBoxRecHit::updateScale(float scaleFac, float maxLogVal, bool plotEt )
{
    //   FWViewEnergyScale *caloScale = getEnergyScale();
    // 
    //float scale = caloScale->getScaleFactorLego() * val;

   // printf("scale %f %f\n",  caloScale->getValToHeight(), val);
float val = plotEt ? m_et : m_energy;
 float scale = scaleFac * val;
   // Reposition top points of tower
   const float *data;
   TEveVector c;
   for( unsigned int i = 0; i < 4; ++i )
   {
      data = m_tower->GetVertex( i );
      c.fX += data[0];
      c.fY += data[1];
      m_tower->SetVertex( i, data[0], data[1], 0 );
      m_tower->SetVertex( i+4,  data[0], data[1], scale);
   }
   c *= 0.25;
   if (0) c.Dump();
   
   // Scale lineset 
   float s = log( 1 + val ) / maxLogVal;
   float d = 0.5 * ( m_tower->GetVertex(1)[0]  -m_tower->GetVertex(0)[0]);
   d *= s;
   float z =  scale * 1.001;
   setLine(0, c.fX - d, c.fY -d, z, c.fX + d, c.fY -d, z);
   setLine(1, c.fX + d, c.fY -d, z, c.fX + d, c.fY +d, z);
   setLine(2, c.fX + d, c.fY +d, z, c.fX - d, c.fY +d, z);
   setLine(3, c.fX - d, c.fY +d, z, c.fX - d, c.fY -d, z);

   if(  m_isTallest )
   {

       m_ls->AddLine( c.fX - d, c.fY - d, z, c.fX + d, c.fY + d, z );
       m_ls->AddLine( c.fX - d, c.fY + d, z, c.fX + d, c.fY - d, z );
       m_ls->GetMarkerPlex().Refit();
   }

   TEveStraightLineSet::Marker_t* m = ((TEveStraightLineSet::Marker_t*)(m_ls->GetMarkerPlex().Atom(0)));
    m->fV[0] = c.fX; m->fV[1] = c.fY; m->fV[2] = z;
   
   // stamp changed elements

   m_ls->ComputeBBox();
   //   float* bb = m_ls->GetBBox();
   m_tower->StampTransBBox();
   m_ls->StampTransBBox();
}

//______________________________________________________________________________
void FWBoxRecHit::setLine(int idx, float x1, float y1, float z1, float x2, float y2, float z2)
{
   // AMT: this func should go in TEveStraightLineSet class

   TEveStraightLineSet::Line_t* l = ((TEveStraightLineSet::Line_t*)(m_ls->GetLinePlex().Atom(idx)));

   l->fV1[0] = x1;
   l->fV1[1] = y1;
   l->fV1[2] = z1; 

   l->fV2[0] = x2;
   l->fV2[1] = y2;
   l->fV2[2] = z2;
}

//______________________________________________________________________________
void
FWBoxRecHit::setIsTallest( )
{
   m_isTallest = true;
   
   
}

//______________________________________________________________________________
void
FWBoxRecHit::addLine( float x1, float y1, float z1, float x2, float y2, float z2 )
{
   m_ls->AddLine( x1, y1, z1, x2, y2, z2 );
}

//______________________________________________________________________________
void
FWBoxRecHit::addLine( const TEveVector &v1, const TEveVector &v2 )
{
   m_ls->AddLine(v1.fX, v1.fY, v1.fZ, v2.fX, v2.fY, v2.fZ);
}