Phase2TrackerClusterizerAlgorithm Class Reference

#include <Phase2TrackerClusterizerAlgorithm.h>

Public Member Functions
void	clusterizeDetUnit (const edm::DetSet< Phase2TrackerDigi > &, Phase2TrackerCluster1DCollectionNew::FastFiller &)
	Phase2TrackerClusterizerAlgorithm (unsigned int, unsigned int)
void	setup (const PixelGeomDetUnit *)

Private Member Functions
void	clearMatrix (edm::DetSet< Phase2TrackerDigi >::const_iterator, edm::DetSet< Phase2TrackerDigi >::const_iterator)
void	fillMatrix (edm::DetSet< Phase2TrackerDigi >::const_iterator, edm::DetSet< Phase2TrackerDigi >::const_iterator)

Private Attributes
Phase2TrackerClusterizerArray	matrix_
unsigned int	maxClusterSize_
unsigned int	maxNumberClusters_
unsigned int	ncols_
unsigned int	nrows_

Detailed Description

Definition at line 13 of file Phase2TrackerClusterizerAlgorithm.h.

Constructor & Destructor Documentation

Phase2TrackerClusterizerAlgorithm::Phase2TrackerClusterizerAlgorithm	(	unsigned int	maxClusterSize,
		unsigned int	maxNumberClusters
	)

Definition at line 9 of file Phase2TrackerClusterizerAlgorithm.cc.

    : maxClusterSize_(maxClusterSize), maxNumberClusters_(maxNumberClusters), nrows_(0), ncols_(0) {}

Member Function Documentation

void Phase2TrackerClusterizerAlgorithm::clearMatrix ( edm::DetSet< Phase2TrackerDigi >::const_iterator  begin, edm::DetSet< Phase2TrackerDigi >::const_iterator  end  )

private

Definition at line 105 of file Phase2TrackerClusterizerAlgorithm.cc.

References end, matrix_, and Phase2TrackerClusterizerArray::set().

Referenced by clusterizeDetUnit().

                                                                                                    {
  for (edm::DetSet<Phase2TrackerDigi>::const_iterator di(begin); di != end; ++di)
    matrix_.set(di->row(), di->column(), false, false);
}

void Phase2TrackerClusterizerAlgorithm::clusterizeDetUnit	(	const edm::DetSet< Phase2TrackerDigi > &	digis,
		Phase2TrackerCluster1DCollectionNew::FastFiller &	clusters
	)

Definition at line 28 of file Phase2TrackerClusterizerAlgorithm.cc.

References edm::DetSet< T >::begin(), clearMatrix(), cuy::col, edm::DetSet< T >::end(), fillMatrix(), matrix_, maxClusterSize_, maxNumberClusters_, ncols_, nrows_, and edmNew::DetSetVector< T >::FastFiller::push_back().

                                                                                                                   {
  // Fill the 2D matrix with the hit information : (hit or not)
  fillMatrix(digis.begin(), digis.end());

  // Number of clusters
  unsigned int numberClusters(0);
  Phase2TrackerDigi firstDigi;
  unsigned int sizeCluster(0);
  bool closeCluster(false);
  bool HIPbit(false);

  // Loop over the Digis
  // for the S modules, 1 column = 1 strip, so adjacent digis are along the rows
  // same for P modules
  for (unsigned int col(0); col < ncols_; ++col) {
    for (unsigned int row(0); row < nrows_; ++row) {
      // If the Digi is hit
      if (matrix_(row, col)) {
        // No cluster is open, create a new one
        if (sizeCluster == 0) {
          // Define first digi
          firstDigi = Phase2TrackerDigi(row, col);
          sizeCluster = 1;
        }
        // A cluster is open, increase its size
        else
          ++sizeCluster;
        // Check if we reached the maximum size of the cluster and need to close it
        closeCluster = ((maxClusterSize_ != 0 and sizeCluster >= maxClusterSize_) ? true : false);
      }
      // Otherwise check if we need to close a cluster (end of cluster)
      else
        closeCluster = ((sizeCluster != 0) ? true : false);

      // update the HIP bit
      HIPbit |= (matrix_(row, col) == 2);

      // Always close a cluster if we reach the end of the loop
      if (sizeCluster != 0 and row == (nrows_ - 1))
        closeCluster = true;

      // If we have to close a cluster, do it
      if (closeCluster) {
        // Add the cluster to the list
        clusters.push_back(Phase2TrackerCluster1D(firstDigi, sizeCluster, HIPbit));
        // Reset the variables
        sizeCluster = 0;
        // Increase the number of clusters
        ++numberClusters;
        HIPbit = false;
      }

      // Check if we hit the maximum number of clusters per module
      if (maxNumberClusters_ != 0 and numberClusters > maxNumberClusters_)
        return;
    }
  }

  // Reset the matrix
  clearMatrix(digis.begin(), digis.end());
}

void Phase2TrackerClusterizerAlgorithm::fillMatrix ( edm::DetSet< Phase2TrackerDigi >::const_iterator  begin, edm::DetSet< Phase2TrackerDigi >::const_iterator  end  )

private

Definition at line 95 of file Phase2TrackerClusterizerAlgorithm.cc.

References end, matrix_, and Phase2TrackerClusterizerArray::set().

Referenced by clusterizeDetUnit().

                                                                                                   {
  for (edm::DetSet<Phase2TrackerDigi>::const_iterator di(begin); di != end; ++di)
    matrix_.set(di->row(), di->column(), true, di->overThreshold());
}

void Phase2TrackerClusterizerAlgorithm::setup

(

const PixelGeomDetUnit *

pixDet

)

Definition at line 17 of file Phase2TrackerClusterizerAlgorithm.cc.

References matrix_, ncols_, nrows_, and PixelGeomDetUnit::specificTopology().

                                                                            {
  const PixelTopology& topol(pixDet->specificTopology());
  nrows_ = topol.nrows();
  ncols_ = topol.ncolumns();
  matrix_ = decltype(matrix_)(nrows_, ncols_);
}

Member Data Documentation

Phase2TrackerClusterizerArray Phase2TrackerClusterizerAlgorithm::matrix_

private

Definition at line 23 of file Phase2TrackerClusterizerAlgorithm.h.

Referenced by clearMatrix(), clusterizeDetUnit(), fillMatrix(), and setup().

unsigned int Phase2TrackerClusterizerAlgorithm::maxClusterSize_

private

Definition at line 24 of file Phase2TrackerClusterizerAlgorithm.h.

Referenced by clusterizeDetUnit().

unsigned int Phase2TrackerClusterizerAlgorithm::maxNumberClusters_

private

Definition at line 25 of file Phase2TrackerClusterizerAlgorithm.h.

Referenced by clusterizeDetUnit().

unsigned int Phase2TrackerClusterizerAlgorithm::ncols_

private

Definition at line 27 of file Phase2TrackerClusterizerAlgorithm.h.

Referenced by clusterizeDetUnit(), and setup().

unsigned int Phase2TrackerClusterizerAlgorithm::nrows_

private

Definition at line 26 of file Phase2TrackerClusterizerAlgorithm.h.

Referenced by clusterizeDetUnit(), and setup().