---

VisEcalUncalibratedRecHitTwig.cc

Go to the documentation of this file.

//<<<<<< INCLUDES                                                       >>>>>>

#include "VisReco/VisEcal/interface/VisEcalUncalibratedRecHitTwig.h"
#include "VisFramework/VisEventSetup/interface/VisEventSetupService.h"
#include "VisReco/VisEcal/interface/VisEcalSubdetector.h"
#include "VisFramework/VisFrameworkBase/interface/VisTwigFactroyService.h"
#include "VisFramework/VisFrameworkBase/interface/VisEventSelector.h"
#include "DataFormats/EcalRecHit/interface/EcalUncalibratedRecHit.h"
#include "DataFormats/EcalRecHit/interface/EcalRecHitCollections.h"
#include "DataFormats/EcalDetId/interface/EBDetId.h"
#include "DataFormats/EcalDetId/interface/EcalSubdetector.h"
#include "FWCore/Framework/interface/Event.h"
#include "Iguana/Models/interface/IgTextRep.h"
#include "Iguana/GLModels/interface/Ig3DRep.h"
#include "Iguana/GLModels/interface/IgLegoRep.h"
#include "Iguana/GLModels/interface/IgRPhiRep.h"
#include "Iguana/GLModels/interface/IgRZRep.h"
#include "Iguana/Framework/interface/IgRepSet.h"
#include "Iguana/Inventor/interface/IgSbColorMap.h"
#include "Iguana/Inventor/interface/IgSoCrystalHit.h"
#include "Iguana/Inventor/interface/IgSoCircularHist.h"
#include "Iguana/Inventor/interface/IgSoRectColHist.h"
#include "Iguana/Inventor/interface/IgSoTower.h"
#include "Iguana/Studio/interface/IgDocumentData.h"
#include "Iguana/Studio/interface/IgQtAppStatusBarService.h"
#include "Iguana/Studio/interface/IgQtLock.h"
#include <Inventor/nodes/SoMaterial.h>
#include <Inventor/nodes/SoSeparator.h>
#include <qapplication.h>
#include <qstring.h>
#include <classlib/utils/DebugAids.h>
#include <algorithm>
#include <iostream>
#include <iomanip>

//<<<<<< PRIVATE DEFINES                                                >>>>>>
//<<<<<< PRIVATE CONSTANTS                                              >>>>>>
//<<<<<< PRIVATE TYPES                                                  >>>>>>
//<<<<<< PRIVATE VARIABLE DEFINITIONS                                   >>>>>>
//<<<<<< PUBLIC VARIABLE DEFINITIONS                                    >>>>>>
//<<<<<< CLASS STRUCTURE INITIALIZATION                                 >>>>>>
//<<<<<< PRIVATE FUNCTION DEFINITIONS                                   >>>>>>

namespace 
{
    VisQueuedTwig *
    createThisTwig (IgState *state, IgTwig *parent,
                    const std::string &name,
                    const std::string &friendlyName,
                    const std::string &modLabel,
                    const std::string &instanceName,
                    const std::string &processName)
    {
        IgTwig *rootTwig = IgDocumentData::get (state)->root ();
        IgTwig *eventTwig = 0;
        eventTwig = rootTwig->lookup ("/Objects/CMS Event and Detector/ECAL Event/Uncalibrated Rec Hits");
        
        if (! eventTwig)
            eventTwig = parent;

        return new VisEcalUncalibratedRecHitTwig (state, eventTwig, "[N/A] Uncalibrated Ecal Rec Hit (" + name + ")", 
                                                  friendlyName, modLabel, instanceName, processName);
    }
}

//<<<<<< PUBLIC FUNCTION DEFINITIONS                                    >>>>>>
//<<<<<< MEMBER FUNCTION DEFINITIONS                                    >>>>>>

VisEcalUncalibratedRecHitTwig::VisEcalUncalibratedRecHitTwig (IgState *state, IgTwig *parent,
                                                              const std::string &name /* = "" */,
                                                              const std::string &friendlyName /* = "" */,
                                                              const std::string &moduleLabel /* = "" */,
                                                              const std::string &instanceName /* = "" */,
                                                              const std::string &processName /* = "" */,
                                                              unsigned colour /* = 0xff009c00 */)
    : VisQueuedTwig (state, parent, name),
      m_name (name),
      m_friendlyName (friendlyName),
      m_moduleLabel (moduleLabel),
      m_instanceName (instanceName),
      m_processName (processName),
      m_binning (state, lat::CreateCallback (this, &VisEcalUncalibratedRecHitTwig::twigChanged)),
      m_scale (state, lat::CreateCallback (this, &VisEcalUncalibratedRecHitTwig::twigChanged)),
      m_cut (state, lat::CreateCallback (this, &VisEcalUncalibratedRecHitTwig::twigChanged)),
      m_escale (state, lat::CreateCallback (this, &VisEcalUncalibratedRecHitTwig::twigChanged)),
      m_annotation (state, lat::CreateCallback (this, &VisEcalUncalibratedRecHitTwig::twigChanged)),
      m_text ("no info"),
      m_rgba (colour)
{
    VisTwigFactroyService *tfService = VisTwigFactroyService::get (state);
    if (! tfService)
    {
        tfService = new VisTwigFactroyService (state);
    }
    edm::TypeID recHitCollID (typeid (EcalUncalibratedRecHitCollection));
    tfService->registerTwig (recHitCollID.friendlyClassName (), &createThisTwig);
}

void
VisEcalUncalibratedRecHitTwig::twigChanged (void)
{ IgRepSet::invalidate (this, SELF_MASK); }

void
VisEcalUncalibratedRecHitTwig::onNewEvent (const edm::Event &event,
                                           const edm::EventSetup &eventSetup)
{
    // Get debugging dump.
    VisQueuedTwig::onNewEvent (event, eventSetup);

    m_recHits.clear ();
    
    m_text = (QString ("Run # %1, event # %2")
              .arg (event.id ().run ())
              .arg (event.id ().event ()).latin1 ());

    // Get uncalibrated ecal barrel rechits
    std::vector<edm::Handle<EcalUncalibratedRecHitCollection> > rechits;
    try
    {   
        QApplication::setOverrideCursor (Qt::waitCursor);
        if (IgQtAppStatusBarService *sbar = IgQtAppStatusBarService::get (state ()))
            sbar->setMessage ("Retrieving an EcalUncalibratedRecHitCollection...");

        if ((! m_friendlyName.empty ()) || (! m_moduleLabel.empty ()) || (! m_instanceName.empty ()) || (! m_processName.empty ()))
        {
            VisEventSelector visSel (m_friendlyName, m_moduleLabel, m_instanceName, m_processName);
            event.getMany (visSel, rechits);
        }

        if (IgQtAppStatusBarService *sbar = IgQtAppStatusBarService::get (state ()))
            sbar->setMessage ("EcalUncalibratedRecHitCollection done.");
        QApplication::restoreOverrideCursor ();
    }
    catch (cms::Exception& e)
    {
        e.append (" from VisEcalUncalibratedRecHitTwig::onNewEvent ");
        e.append (this->name ());    

        if (this->m_onCmsException)
            this->m_onCmsException (&e);
    }
    catch (lat::Error &e) 
    {
        if (this->m_onError)
            this->m_onError (&e);
    }
    catch (std::exception &e) 
    {
        if (this->m_onException)
            this->m_onException (&e);
    }
    catch (...) 
    {
        if (this->m_onUnhandledException)
            this->m_onUnhandledException ();
    }
    
    if (! rechits.empty ())
    {
        for (std::vector<edm::Handle<EcalUncalibratedRecHitCollection> >::iterator i = rechits.begin (), iEnd = rechits.end (); i != iEnd; ++i) 
        {
            const EcalUncalibratedRecHitCollection& c = *(*i);
            QString sizeStr = (QString ("%1").arg (c.size ()));
            QString nameStr = QString (this->name ());
            int ib = nameStr.find ("[");
            int ie = nameStr.find ("]");
            nameStr.replace (ib + 1, ie - 1, sizeStr);
            this->name (nameStr);
            for (std::vector<EcalUncalibratedRecHit>::const_iterator ci = c.begin (), ciEnd = c.end (); ci != ciEnd; ++ci)
            {
                m_recHits.push_back (*ci); 
            }
        }
    }
        
    VisQueuedTwig::onBaseInvalidate ();
}

void
VisEcalUncalibratedRecHitTwig::update (IgTextRep *rep)
{
    // Get debugging dump.
    VisQueuedTwig::update (rep);
    
    // Prepare property description.
    std::ostringstream  text;
    text << this->name () << " from ";
    text << m_text << "<br>";

    if (m_friendlyName.empty () && m_moduleLabel.empty () && m_instanceName.empty () && m_processName.empty ())
    {
        text << "Please, select the branches of this Twig for more information.";       
    }
    else
    {
        text << "Displayed only above  " << m_cut.value () << " GeV:<br>";
    
        text << "<table width='100%' border=1>"
             << "<TR align = center>"
             << "<TH>Number</TH>"
             << "<TH>Eta</TH>"
             << "<TH>Phi</TH>"
             << "<TH>Amplitude</TH>"
             << "<TH>Pedestal</TH>"
             << "<TH>Jitter</TH>"
             << "<TH>Chi^2</TH>"
             << "</TR>";
        text << setiosflags (std::ios::showpoint | std::ios::fixed);
        text.setf (std::ios::right, std::ios::adjustfield);
    
        int nDigis = 0;
        if (! m_recHits.empty ()) 
        {
            VisEventSetupService *esService = VisEventSetupService::get (state ());
            ASSERT (esService);

            try 
            {
                for (std::vector<EcalUncalibratedRecHit>::const_iterator i = m_recHits.begin (), iEnd = m_recHits.end (); i != iEnd; ++i) 
                {
                    float amp = (*i).amplitude ();
                    float energy = amp * 12 / 1000; // Rough estimation
                    if (energy > m_cut.value ())
                    {
                        EcalUncalibratedRecHit hit = (*i);
                        const GlobalPoint& pos = esService->getCellPosition ((*i).id ());               
                        float eta = pos.eta ();
                        float phi = pos.phi ();

                        text << "<TR align = right>"
                             << "<TD>" << std::setw (3) << nDigis++ << "</TD>"
                             << "<TD>" << std::setw (5) << std::setprecision (3) << eta << "</TD>"
                             << "<TD>" << std::setw (5) << std::setprecision (3) << phi << "</TD>"
                             << "<TD>" << std::setw (5) << std::setprecision (3) << amp << "</TD>"
                             << "<TD>" << std::setw (5) << std::setprecision (3) << hit.pedestal () << "</TD>"
                             << "<TD>" << std::setw (5) << std::setprecision (3) << hit.jitter () << "</TD>"
                             << "<TD>" << std::setw (5) << std::setprecision (3) << hit.chi2 () << "</TD>"
                             << "</TR>";
                    }
                }
            }
            catch (cms::Exception& e)
            {
                e.append (" from VisEcalUncalibratedRecHitTwig::update(IgTextRep*) ");
                e.append (this->name ());    

                if (this->m_onCmsException)
                    this->m_onCmsException (&e);
            }
            catch (lat::Error &e) 
            {
                if (this->m_onError)
                    this->m_onError (&e);
            }
            catch (std::exception &e) 
            {
                if (this->m_onException)
                    this->m_onException (&e);
            }
            catch (...) 
            {
                if (this->m_onUnhandledException)
                    this->m_onUnhandledException ();
            }
        }
    
        text << "</table>";
    }
    
    // Send it over.
    IgQtLock ();
    rep->setText (text.str ());
}
 
void
VisEcalUncalibratedRecHitTwig::update (Ig3DRep *rep)
{
    // Get debugging dump.
    VisQueuedTwig::update (rep);
    
    IgQtLock ();

    rep->clear ();
        
    if (! m_recHits.empty ())
    {
        VisEventSetupService *esService = VisEventSetupService::get (state ());
        ASSERT (esService);

        SoSeparator *sep = new SoSeparator;
    
        SoMaterial *mat = new SoMaterial;
        float rgbcomponents [4];
        IgSbColorMap::unpack (m_rgba, rgbcomponents);
        // mat->diffuseColor.setValue (SbColor (rgbcomponents));
        mat->diffuseColor.setValue (1.0, 0.0, 153.0 / 255.0);
        sep->addChild (mat);

        try
        {
            for (std::vector<EcalUncalibratedRecHit>::const_iterator i = m_recHits.begin (), iEnd = m_recHits.end (); i != iEnd; ++i) 
            {
                float amp = (*i).amplitude ();
                float energy = amp * 12 / 1000; // Rough estimation
                if (energy > m_cut.value ()) 
                {
                    EcalUncalibratedRecHit hit = (*i);

                    if (! hit.id ().null ()) 
                    {
                        const CaloCellGeometry::CornersVec& corners = esService->getCorners ((*i).id ());
                        ASSERT (corners.size () == 8);
                    
                        IgSoCrystalHit *crystalHit = new IgSoCrystalHit;
                        crystalHit->energy.setValue (energy);       
                        crystalHit->scale.setValue (m_escale.value ());
                        crystalHit->relativeWidth.setValue (1.0);
                        crystalHit->drawCrystal.setValue (false);
                        crystalHit->drawHit.setValue (true);
                    
                        crystalHit->front1.setValue (corners [3].x () / 100.0, corners [3].y () / 100.0, corners [3].z () / 100.0);
                        crystalHit->front2.setValue (corners [2].x () / 100.0, corners [2].y () / 100.0, corners [2].z () / 100.0);
                        crystalHit->front3.setValue (corners [1].x () / 100.0, corners [1].y () / 100.0, corners [1].z () / 100.0);
                        crystalHit->front4.setValue (corners [0].x () / 100.0, corners [0].y () / 100.0, corners [0].z () / 100.0);
                    
                        crystalHit->back1.setValue  (corners [7].x () / 100.0, corners [7].y () / 100.0, corners [7].z () / 100.0);
                        crystalHit->back2.setValue  (corners [6].x () / 100.0, corners [6].y () / 100.0, corners [6].z () / 100.0);
                        crystalHit->back3.setValue  (corners [5].x () / 100.0, corners [5].y () / 100.0, corners [5].z () / 100.0);
                        crystalHit->back4.setValue  (corners [4].x () / 100.0, corners [4].y () / 100.0, corners [4].z () / 100.0);
                    
                        sep->addChild (crystalHit);
                    }
                }
            }
        }
        catch (cms::Exception& e)
        {
            e.append (" from VisEcalUncalibratedRecHitTwig::update(Ig3DRep*) ");
            e.append (this->name ());    

            if (this->m_onCmsException)
                this->m_onCmsException (&e);
        }
        catch (lat::Error &e) 
        {
            if (this->m_onError)
                this->m_onError (&e);
        }
        catch (std::exception &e) 
        {
            if (this->m_onException)
                this->m_onException (&e);
        }
        catch (...) 
        {
            if (this->m_onUnhandledException)
                this->m_onUnhandledException ();
        }

        rep->node ()->addChild (sep);
    }
}
 
void
VisEcalUncalibratedRecHitTwig::update (IgLegoRep *rep)
{
    // Get debugging dump.
    VisQueuedTwig::update (rep);

    IgQtLock ();

    rep->clear ();
    
    SoSeparator *sep = new SoSeparator;    

    try 
    {
        if (! m_recHits.empty ()) 
        {
            VisEventSetupService *esService = VisEventSetupService::get (state ());
            ASSERT (esService);

            for (std::vector<EcalUncalibratedRecHit>::const_iterator i = m_recHits.begin (), iEnd = m_recHits.end (); i != iEnd; ++i) 
            {
                float amp = (*i).amplitude ();
                float energy = amp * 12 / 1000; // Rough estimation
                if (fabs (energy) > m_cut.value ()) 
                {
                    const GlobalPoint& pos = esService->getCellPosition ((*i).id ());           
                    EcalUncalibratedRecHit hit = (*i);
                    float eta = pos.eta ();
                    float phi = pos.phi ();
                    (phi < 0.0) ?  phi = 2 * M_PI + phi : phi; // correction in absence of one convention

                    IgSoTower *tower = new IgSoTower;
                    tower->position = SbVec2f (phi, eta); // eta, phi
                    tower->scaleFactor = m_scale.value ();
                    tower->etaWidth = 0.0174;
                    tower->phiWidth = 0.0174;
                    tower->energy = energy;
                    tower->emFraction = 1;
                    sep->addChild (tower);
                }
            }
        } 
    }
    catch (cms::Exception& e)
    {
        e.append (" from VisEcalUncalibratedRecHitTwig::update(IgLegoRep *) ");
        e.append (this->name ());    

        if (this->m_onCmsException)
            this->m_onCmsException (&e);
    }
    catch (lat::Error &e) 
    {
        if (this->m_onError)
            this->m_onError (&e);
    }
    catch (std::exception &e) 
    {
        if (this->m_onException)
            this->m_onException (&e);
    }
    catch (...) 
    {
        if (this->m_onUnhandledException)
            this->m_onUnhandledException ();
    }
    
    rep->node ()->addChild (sep);
}

void
VisEcalUncalibratedRecHitTwig::update (IgRPhiRep *rep)
{
    // Get debugging dump.
    VisQueuedTwig::update (rep);

    IgQtLock ();

    rep->clear ();
    
    SoSeparator *sep = new SoSeparator;    
    SoSeparator *posSep = new SoSeparator;    
    SoSeparator *negSep = new SoSeparator;
    sep->addChild (posSep);
    sep->addChild (negSep);
    
    SoMaterial *mat = new SoMaterial;
    mat->ambientColor.setValue (1.0, 0.0, 153.0 / 255.0);
    mat->diffuseColor.setValue (1.0, 0.0, 153.0 / 255.0);
    mat->specularColor.setValue (1.0, 0.0, 153.0 / 255.0);
    mat->emissiveColor.setValue (1.0, 0.0, 153.0 / 255.0);
    posSep->addChild (mat);
    
    SoMaterial *negMat = new SoMaterial;
    negMat->ambientColor.setValue (51.0 / 255.0, 1.0, 102.0 / 255.0);
    negMat->diffuseColor.setValue (51.0 / 255.0, 1.0, 102.0 / 255.0);
    negMat->specularColor.setValue (51.0 / 255.0, 1.0, 102.0 / 255.0);
    negMat->emissiveColor.setValue (51.0 / 255.0, 1.0, 102.0 / 255.0);
    negSep->addChild (negMat);

    int nbrOfBins = 360;
    float radius = 1.29;

    int binNumber;

    std::vector<float> bufferPositive (nbrOfBins);
    std::vector<float> bufferNegative (nbrOfBins);
    try 
    {
        if (! m_recHits.empty ()) 
        {
            VisEventSetupService *esService = VisEventSetupService::get (state ());
            ASSERT (esService);

            for (std::vector<EcalUncalibratedRecHit>::const_iterator i = m_recHits.begin (), iEnd = m_recHits.end (); i != iEnd; ++i) 
            {
                float amp = (*i).amplitude ();
                float energy = amp * 12 / 1000; // Rough estimation
                if (energy > m_cut.value ())
                {
                    if (VisEcalSubdetector::subDetName ((EcalSubdetector)((*i).id ().subdetId ())) == "EcalBarrel")
                    {
                        const GlobalPoint& pos = esService->getCellPosition ((*i).id ());               
                        EcalUncalibratedRecHit hit = (*i);
                        float phi = pos.phi ();
                        
                        (phi < 0) ? phi = 2 * M_PI + phi : phi;
                    
                        binNumber = (int) floor (phi / (2 * M_PI / nbrOfBins));

                        if (binNumber >= 0 && binNumber < nbrOfBins) 
                            if (m_binning.value () == "project")
                            {                           
                                if ((energy > 0.0) && (energy > bufferPositive [binNumber]))
                                    bufferPositive [binNumber] = energy;
                                else if ((energy < 0.0) && (energy < bufferNegative [binNumber]))
                                    bufferNegative [binNumber] = energy;
                            }
                            else
                                (energy >= 0.0) ? bufferPositive [binNumber] += energy : bufferNegative [binNumber] += energy;
                    }
                }
            }
            
            std::vector<float> ::const_iterator first = bufferPositive.begin ();
            std::vector<float> ::const_iterator last = bufferPositive.end ();
            
            if (*max_element (first, last) > 0.0)
            {
                IgSoCircularHist *recHits = new IgSoCircularHist;
                recHits->minRadius = radius;
                recHits->maxRadius = -1;
                recHits->scaleFactor = m_escale.value ();
                recHits->numberOfBins = nbrOfBins;
                recHits->energies.setValues (0, nbrOfBins, &bufferPositive [0]);
                recHits->logScale = false;
                recHits->showAnnotations = m_annotation.value ();
                recHits->layer = 5.5;
                posSep->addChild (recHits);
            }
            
            std::vector<float> ::const_iterator nfirst = bufferNegative.begin ();
            std::vector<float> ::const_iterator nlast = bufferNegative.end ();
            
            if (fabs(*max_element (nfirst, nlast)) > 0.0)
            {
                IgSoCircularHist *negRecHits = new IgSoCircularHist;
                negRecHits->minRadius = radius;
                negRecHits->maxRadius = -1;
                negRecHits->scaleFactor = m_escale.value ();
                negRecHits->numberOfBins = nbrOfBins;
                negRecHits->energies.setValues (0, nbrOfBins, &bufferNegative [0]);
                negRecHits->logScale = false;
                negRecHits->showAnnotations = m_annotation.value ();
                negRecHits->layer = 5.0;
                negSep->addChild (negRecHits);
            }       
        }
    }
    catch (cms::Exception& e)
    {
        e.append (" from VisEcalUncalibratedRecHitTwig::update (IgRPhiRep*) ");
        e.append (this->name ());    

        if (this->m_onCmsException)
            this->m_onCmsException (&e);
    }
    catch (lat::Error &e) 
    {
        if (this->m_onError)
            this->m_onError (&e);
    }
    catch (std::exception &e) 
    {
        if (this->m_onException)
            this->m_onException (&e);
    }
    catch (...) 
    {
        if (this->m_onUnhandledException)
            this->m_onUnhandledException ();
    }
    
    rep->node ()->addChild (sep);
}

void
VisEcalUncalibratedRecHitTwig::update (IgRZRep *rep)
{
    // Get debugging dump.
    VisQueuedTwig::update (rep);
        
    IgQtLock ();
        
    rep->clear ();
        
    SoSeparator *sep = new SoSeparator;    
    SoMaterial *mat = new SoMaterial;
    mat->ambientColor.setValue (1.0, 0.0, 153.0 / 255.0);
    mat->diffuseColor.setValue (1.0, 0.0, 153.0 / 255.0);
    mat->specularColor.setValue (1.0, 0.0, 153.0 / 255.0);
    mat->emissiveColor.setValue (1.0, 0.0, 153.0 / 255.0);
    sep->addChild (mat);    

    VisEventSetupService *esService = VisEventSetupService::get (state ());
    ASSERT (esService);
        
    unsigned binNumber = 0;
    const unsigned nBinsZ = 85*2;
    const unsigned nBinsR = 39*2;
    const unsigned nbrOfBins = 2 * (nBinsZ + nBinsR);
    const float radiusR = 1.29f;
    const float radiusZ = 3.17f;
    const float barrelMaxEta = 1.479f; // max eta of ECAL Barrel
    const float beamPipeTheta = 5.7f * M_PI / 180.f;
    const float endcapMaxTheta = 25.464f * M_PI / 180.f;
        
    std::vector<float> energies (nbrOfBins * 2); // times 2 for the other energy (which is not used)
    try 
    {
        if (! m_recHits.empty ()) 
        {
            for (std::vector<EcalUncalibratedRecHit>::const_iterator i = m_recHits.begin (), iEnd = m_recHits.end (); i != iEnd; ++i) 
            {
                float amp = (*i).amplitude ();
                float energy = amp * 12 / 1000; // Rough estimation: count around 12/13 MeV per ADC count
                if (energy > m_cut.value ())
                {
                    EcalUncalibratedRecHit hit = (*i);          
                    binNumber = esService->getBinNumber ((*i).id (), nBinsR, nBinsZ, radiusR, radiusZ, barrelMaxEta, beamPipeTheta, endcapMaxTheta);

                    if (binNumber < nbrOfBins)
                    {
                        if (m_binning.value () == "project")
                            (energies[binNumber] > energy) ? energies[binNumber] : energies[binNumber] = energy;
                        else
                            energies[binNumber] += energy;
                    }
                    else
                    {
                        std::cerr << "Bin number (" << binNumber << ") exceeds the number of bins (" <<  nbrOfBins << ")"<< std::endl;
                    }
                }
            }
                        
            if (*max_element (energies.begin (), energies.end ()) > 0.0)
            {
                IgSoRectColHist* hist = new IgSoRectColHist;
                hist->radiusR = radiusR;
                hist->radiusZ = radiusZ;
                hist->numR = nBinsR;
                hist->numZ = nBinsZ;
                hist->energies.setValues (0, energies.size(), &energies [0]);
                hist->logScale = false;
                hist->layer = -5.0;
                hist->scaleFactor = m_escale.value ();
                hist->barrelMaxEta = barrelMaxEta;
                hist->beamPipeTheta = beamPipeTheta;
                hist->endcapMaxTheta = endcapMaxTheta;
                                
                std::vector<SbColor> colors (4);
                colors[0] = SbColor (1.0, 0.0, 153.0 / 255.0);
                colors[1] = SbColor (51.0 / 255.0, 1.0, 102.0 / 255.0);
                colors[2] = SbColor (1.0, 1.0, 153.0 / 255.0);
                colors[3] = SbColor (51.0 / 255.0, 0.0, 102.0 / 255.0);
                
                hist->faceColors.setValues (0, colors.size (), &colors[0]);
                sep->addChild (hist);
            }
        }
    }
    catch (cms::Exception& e)
    {
        e.append (" from VisEcalUncalibratedRecHitTwig::update(IgRZRep*) ");
        e.append (this->name ());

        if (this->m_onCmsException)
            this->m_onCmsException (&e);
    }
    catch (lat::Error &e) 
    {
        if (this->m_onError)
            this->m_onError (&e);
    }
    catch (std::exception &e) 
    {
        if (this->m_onException)
            this->m_onException (&e);
    }
    catch (...) 
    {
        if (this->m_onUnhandledException)
            this->m_onUnhandledException ();
    }
        
    rep->node ()->addChild (sep);
}

---