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// $Id: FillerPixelHits.cc,v 1.7 2010/03/18 20:21:01 bendavid Exp $
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#include "MitProd/TreeFiller/interface/FillerPixelHits.h"
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#include "DataFormats/GeometryVector/interface/GlobalPoint.h"
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#include "DataFormats/GeometryVector/interface/LocalPoint.h"
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#include "DataFormats/SiPixelDetId/interface/PXBDetId.h"
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#include "DataFormats/SiPixelDetId/interface/PXFDetId.h"
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#include "DataFormats/TrackerRecHit2D/interface/SiPixelRecHitCollection.h"
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#include "FWCore/Framework/interface/ESHandle.h"
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#include "Geometry/CommonDetUnit/interface/GeomDet.h"
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#include "Geometry/TrackerGeometryBuilder/interface/RectangularPixelTopology.h"
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#include "Geometry/TrackerGeometryBuilder/interface/PixelGeomDetUnit.h"
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#include "Geometry/TrackerGeometryBuilder/interface/TrackerGeometry.h"
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#include "Geometry/Records/interface/TrackerDigiGeometryRecord.h"
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#include "MitAna/DataTree/interface/Names.h"
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#include "MitAna/DataTree/interface/PixelHitCol.h"
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#include "MitProd/ObjectService/interface/ObjectService.h"
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using namespace std;
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using namespace edm;
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using namespace mithep;
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//--------------------------------------------------------------------------------------------------
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FillerPixelHits::FillerPixelHits(const ParameterSet &cfg, const char *name, bool active) :
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BaseFiller(cfg,name,active),
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edmName_(Conf().getUntrackedParameter<string>("edmName","siPixelRecHits")),
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mitName_(Conf().getUntrackedParameter<string>("mitName",Names::gkPixelHitBrn)),
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phits_(new mithep::PixelHitArr(1000))
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{
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// Constructor.
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}
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//--------------------------------------------------------------------------------------------------
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FillerPixelHits::~FillerPixelHits()
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{
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// Destructor.
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delete phits_;
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}
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//--------------------------------------------------------------------------------------------------
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void FillerPixelHits::BookDataBlock(TreeWriter &tws)
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{
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// Add tracks branch to tree, publish and get tracker geometry.
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tws.AddBranch(mitName_,&phits_);
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OS()->add<PixelHitArr>(phits_,mitName_);
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}
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//--------------------------------------------------------------------------------------------------
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void FillerPixelHits::FillDataBlock(const edm::Event &event,
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const edm::EventSetup &setup)
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{
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// Fill pixel hits from edm collection into our collection.
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phits_->Delete();
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// initialize handle and get product
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Handle<SiPixelRecHitCollection> hRecHits;
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GetProduct(edmName_, hRecHits, event);
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const SiPixelRecHitCollection *hits = hRecHits.product();
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if (!hits->size())
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return;
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// get tracker geometry
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edm::ESHandle<TrackerGeometry> trackerHandle;
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setup.get<TrackerDigiGeometryRecord>().get(trackerHandle);
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const TrackerGeometry *tgeo = trackerHandle.product();
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for(SiPixelRecHitCollection::DataContainer::const_iterator hit = hits->data().begin(),
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end = hits->data().end(); hit != end; ++hit) {
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if (!hit->isValid())
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continue;
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DetId id(hit->geographicalId());
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int type = 0; // PXB: 1,2,3 // PXF: +/- 11,12
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if(id.subdetId() == int(PixelSubdetector::PixelBarrel)) {
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PXBDetId pid(id);
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type = pid.layer();
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} else if (id.subdetId() == int(PixelSubdetector::PixelEndcap)) {
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PXFDetId pid(id);
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type = (10 + pid.disk())*((pid.side()==1)?-1:1);
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} else {
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continue;
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}
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bool isAnyPixelOnEdge = false;
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const PixelGeomDetUnit *pgdu =
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static_cast<const PixelGeomDetUnit*>(tgeo->idToDetUnit(id));
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if (1) {
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const RectangularPixelTopology *pixTopo =
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static_cast<const RectangularPixelTopology*>(&pgdu->specificTopology());
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const vector<SiPixelCluster::Pixel> pixels(hit->cluster()->pixels());
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for(std::vector<SiPixelCluster::Pixel>::const_iterator pixel = pixels.begin();
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pixel != pixels.end(); ++pixel) {
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int pixelX = pixel->x;
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int pixelY = pixel->y;
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if(pixTopo->isItEdgePixelInX(pixelX) || pixTopo->isItEdgePixelInY(pixelY)) {
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isAnyPixelOnEdge = true;
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break;
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}
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}
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}
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LocalPoint lpos = LocalPoint(hit->localPosition().x(),
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hit->localPosition().y(),
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hit->localPosition().z());
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GlobalPoint gpos = pgdu->toGlobal(lpos);
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mithep::PixelHit *newhit = phits_->Allocate();
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new (newhit) mithep::PixelHit(gpos.x(),gpos.y(),gpos.z());
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newhit->SetType(type);
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newhit->SetQuality(hit->rawQualityWord());
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newhit->SetCharge(static_cast<int>(hit->cluster()->charge()));
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newhit->SetSizeX(hit->cluster()->sizeX());
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newhit->SetSizeY(hit->cluster()->sizeY());
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newhit->SetAnyPixelIsOnEdge(isAnyPixelOnEdge);
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}
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phits_->Trim();
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}
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