DATCONSVDClusterizer Class Reference

Findlet for clustering DATCONSVDDigits and creating SVDClusters that are used for tracking in DATCON. More...

#include <DATCONSVDClusterizer.h>

Inheritance diagram for DATCONSVDClusterizer:

Collaboration diagram for DATCONSVDClusterizer:

Public Types
using	IOTypes = std::tuple< AIOTypes... >
	Types that should be served to apply on invokation.
using	IOVectors = std::tuple< std::vector< AIOTypes >... >
	Vector types that should be served to apply on invokation.

Public Member Functions
	DATCONSVDClusterizer ()
	Cluster SVD strips.
void	exposeParameters (ModuleParamList *moduleParamList, const std::string &prefix) override
	Expose the parameters of the sub findlets.
void	initialize () override
	Create the store arrays.
void	beginRun () override
	Begin Run.
void	apply (const std::vector< DATCONSVDDigit > &digits, std::vector< SVDCluster > &clusters) override
	Load in the DATCONSVDDigits and create SVDClusters from them.
virtual std::string	getDescription ()
	Brief description of the purpose of the concret findlet.
virtual void	apply (ToVector< AIOTypes > &... ioVectors)=0
	Main function executing the algorithm.
void	beginEvent () override
	Receive and dispatch signal for the start of a new event.
void	endRun () override
	Receive and dispatch signal for the end of the run.
void	terminate () override
	Receive and dispatch Signal for termination of the event processing.

Protected Types
using	ToVector = typename ToVectorImpl< T >::Type
	Short hand for ToRangeImpl.

Protected Member Functions
void	addProcessingSignalListener (ProcessingSignalListener *psl)
	Register a processing signal listener to be notified.
int	getNProcessingSignalListener ()
	Get the number of currently registered listeners.

Private Types
using	Super = TrackFindingCDC::Findlet< const DATCONSVDDigit, SVDCluster >
	Parent class.
typedef std::map< int, float >	SimpleSVDNoiseMap
	Simple representation of a SVD Noise Map.

Private Member Functions
void	fillDATCONSVDNoiseMap ()
	fill the noise map to be used for SNR cuts
float	calculateSNR (DATCONSVDDigit digit)
	calculate the SNR of a DATCONSVDDigit (= one strip) in a simplified way More...
void	saveCluster (DATCONSVDClusterCandidate &clusterCand, std::vector< SVDCluster > &clusters)
	save the current cluster candidate as a SVDCluster More...

Private Attributes
SVDNoiseCalibrations	m_NoiseCal
	SVD Noise payload.
SimpleSVDNoiseMap	m_svdNoiseMap
	Simple noise map for u-strips*‍/.
std::string	m_param_noiseMapfileName = "noiseMap.txt"
	File name for a file containing the noise of the strips for export to FPGA.
bool	m_param_writeNoiseMapsToFile = false
	Write the noise map to file m_param_noiseMapfileName for export to FPGA?
bool	m_param_isU = true
	Is this the finldlet for u-side or for v-side?
bool	m_param_saveClusterToDataStore = false
	Save SVDCluster to DataStore for analysis?
std::string	m_param_storeSVDClustersName = "DATCONSVDClusters"
	SVDClusters StoreArray name.
StoreArray< SVDCluster >	m_storeSVDClusters
	StoreArray to save the clusters to.
unsigned short	m_param_maxiClusterSize = 20
	maximum cluster size
float	m_param_noiseCut = 4
	Value above which u-strips are considered noisy, all other u-strips will get assigned a standard noise value of m_noiseCut.
float	m_param_requiredSNRstrip = 5
	Require a SNR for a u-strip signal to be valid.
float	m_param_requiredSNRcluster = 5
	Require a SNR for at least one strip in the u-cluster to make the cluster valid.
const VXD::GeoCache &	m_geoCache = VXD::GeoCache::getInstance()
	instance of GeoCache to avoid creating it again for every cluster
std::vector< ProcessingSignalListener * >	m_subordinaryProcessingSignalListeners
	References to subordinary signal processing listener contained in this findlet.
bool	m_initialized = false
	Flag to keep track whether initialization happend before.
bool	m_terminated = false
	Flag to keep track whether termination happend before.
std::string	m_initializedAs
	Name of the type during initialisation.

Detailed Description

Findlet for clustering DATCONSVDDigits and creating SVDClusters that are used for tracking in DATCON.

This finldet only clusters strips on one side. The created SVDClusters can be stored in the DataStore by setting m_param_saveClusterToDataStore to true.

Definition at line 35 of file DATCONSVDClusterizer.h.

Member Function Documentation

calculateSNR()

float calculateSNR ( DATCONSVDDigit  digit )

private

calculate the SNR of a DATCONSVDDigit (= one strip) in a simplified way

Parameters

digit

DATCONSVDDigit for which the SNR is calculated

Returns

SNR of the digit

Definition at line 149 of file DATCONSVDClusterizer.cc.

{
  unsigned short maxSampleIndex = digit.getMaxSampleIndex();
  const DATCONSVDDigit::APVRawSamples& sample = digit.getRawSamples();
  unsigned short stripID = digit.getCellID();
  VxdID sensorID = digit.getSensorID();
  int simpleVXDID = 131072 * (sensorID.getLayerNumber() - 3) + 8192 * (sensorID.getLadderNumber() - 1)
                    + 1024 * (sensorID.getSensorNumber() - 1) + stripID;
 
  // set noise value to default value and only use actual noise if it is too large (> m_param_noiseCut)
  float stripNoise = m_param_noiseCut;
  if (m_svdNoiseMap.find(simpleVXDID) != m_svdNoiseMap.end()) {
    stripNoise = m_svdNoiseMap.at(simpleVXDID);
  }
 
  float currentSNR = (float)sample[maxSampleIndex] / stripNoise;
  return currentSNR;
}

saveCluster()

void saveCluster ( DATCONSVDClusterCandidate &  clusterCand, std::vector< SVDCluster > &  clusters  )

private

save the current cluster candidate as a SVDCluster

Parameters

clusterCand	cluster candidate to be stored
clusters	vector containing all the finalized clusters

Definition at line 127 of file DATCONSVDClusterizer.cc.

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The documentation for this class was generated from the following files:

• tracking/datcon/findlets/include/DATCONSVDClusterizer.h
• tracking/datcon/findlets/src/DATCONSVDClusterizer.cc