Belle II Software development
svd modules

Namespaces

namespace  Belle2::SVD
 Namespace to encapsulate code needed for simulation and reconstrucion of the SVD.
 

Classes

class  SVDChannelMappingModule
 The Channel Mapping Check Module. More...
 
class  SVDClusterCalibrationsMonitorModule
 Module to produce a list of histogram showing the uploaded calibration constants. More...
 
class  SVDHotStripFinderModule
 A module template. More...
 
class  SVDLatencyCalibrationModule
 this module performs an analysis to find the APV25 latency More...
 
class  SVDLocalCalibrationsCheckModule
 Module to produce a list of histogram showing the uploaded local calibration constants. More...
 
class  SVDLocalCalibrationsMonitorModule
 Module to produce a list of histogram showing the uploaded local calibration constants. More...
 
class  SVDPositionErrorScaleFactorImporterModule
 Module that produces a localdb with position error scale factors for different position algorithms. More...
 
class  SVDTimeCalibrationsMonitorModule
 Module to produce a list of histogram showing the uploaded calibration constants. More...
 
class  SVDChargeSharingAnalysisModule
 Module for monitoring DSSD cluster charge deposition in regard of capacitive charge sharing between adjacent strips in a cluster for data and the simulation. More...
 
class  SVDClusterQualityEstimatorCalibrationModule
 Generate PDFs for assigning probability that cluster generated from signal particle. More...
 
class  SVDClusterQualityEstimatorModule
 Calculates the probability of a cluster originating from signal hit. More...
 
class  SVDCrossTalkCalibrationsCollectorModule
 Collector module used to create the histograms needed for the cross talk calibration. More...
 
class  SVDCrossTalkFinderModule
 Flags potential cross talk strips on Origami sensors. More...
 
class  SVDdEdxCollectorModule
 Collector module used to create the histograms needed for the SVD dE/dx calibration. More...
 
class  SVDdEdxValidationCollectorModule
 Collector module used to create the histograms needed for the SVD dE/dx calibration. More...
 
class  SVDDQMClustersOnTrackModule
 SVD DQM Module for Clusters related to Tracks. More...
 
class  SVDDQMEfficiencyModule
 Creates the basic histograms for SVD Efficiency DQM. More...
 
class  SVDDQMExpressRecoModule
 SVD DQM Module for Express Reco. More...
 
class  SVDDQMHitTimeModule
 This module to design collect the svd hit time for different detectors trigger timing and physics processes. More...
 
class  SVDUnpackerDQMModule
 SVD DQM Module for the Unpacker. More...
 
class  svdDumpModule
 Class definition of svdClsHistoManager module. More...
 
class  SVDTrackingEventLevelMdstInfoFillerModule
 This module adds additional global event level information about SVD track finding to the MDST object 'EventLevelTrackingInfo'. More...
 
class  SVDOccupancyCalibrationsCollectorModule
 This This module collects hits from shaper digits to compute per sensor SVD occupancy using mu+mu- events for calibration of the SVDOccupancyCalibration payload using CAF. More...
 
class  SVDB4CommissioningPlotsModule
 The SVD B4CommissioningPlots Module. More...
 
class  SVDClusterEvaluationModule
 The SVD ClusterEvaluation Module. More...
 
class  SVDClusterEvaluationTrueInfoModule
 Clustering Performance, using true information. More...
 
class  SVDClusterFilterModule
 generates a new StoreArray from the input StoreArray which has all specified Clusters removed More...
 
class  SVDEventT0PerformanceTTreeModule
 The module is used to create a TTree to study SVD EventT0. More...
 
class  SVDMaxStripTTreeModule
 The module is used to create a TTree to study the number of strips fired per event per APV chip. More...
 
class  SVDOccupancyAnalysisModule
 The SVD OccupancyAnalysis Module. More...
 
class  SVDPerformanceModule
 The (TB) SVD Performance Module. More...
 
class  SVDPerformanceTTreeModule
 The module is used to create a TTree to study SVD clusters, genfit unbiased residuals and many other properties related to the track they belong to. More...
 
class  SVDShaperDigitsFromTracksModule
 generates two new StoreArray from the input StoreArray. More...
 
class  SVDCoGTimeEstimatorModule
 This module builds the SVDRecoDigits (calibrated and fitted strips) from the SVDShaperDigits. More...
 
class  SVDDataFormatCheckModule
 This module checks the format of the data that we are going to reconstruct checking the SVDModeByte and the SVDDAQDiagnostic. More...
 
class  SVDStripMaskingModule
 This module removes the strips to be masked read form the SVDHotStripsCalibration. More...
 
class  SVD3SamplesEmulatorModule
 This module takes the SVDShaperDigit as input and select three consecutive samples starting from the one chosen by the user. More...
 
class  SVDEventInfoSetterModule
 Module to set the SVDEventInfo in the simulation. More...
 
class  SVDTriggerQualityGeneratorModule
 This module generates a StoreObjPtr that contains random trigger quality chosen between FINE and COARSE. More...
 
class  SVDZeroSuppressionEmulatorModule
 This module filters out strips that do not pass a ZS cut from the SVDShaperDigit StoreArray. More...
 
class  SVD6SampleEventSkimModule
 SVD 6-sample event skim module. More...
 
struct  ClustersOnSensor
 small struct for storing all clusters of the same sensor in one container. More...
 
class  SVDSpacePointCreatorModule
 Imports Clusters of the SVD detector and converts them to spacePoints. More...
 
class  SVDSpacePointQICalibrationModule
 Imports Clusters of the SVD detector and converts them to spacePoints. More...
 
class  SVDClusterTimeShifterCollectorModule
 This module creates and fills histograms based on cluster-sizes so that the mean of SVD-cluster time distribution could be calculated. More...
 
class  SVDTimeCalibrationCollectorModule
 Collector module used to create the histograms needed for the SVD CoG-Time calibration. More...
 
class  SVDTimeGroupingModule
 Imports Clusters of the SVD detector and converts them to spacePoints. More...
 
class  SVDTimeValidationCollectorModule
 Collector module used to create the histograms needed for the SVD CoG-Time calibration. More...
 

Typedefs

typedef std::tuple< double, double, double > GroupInfo
 typedef to be used to store Gauss parameters (integral, center, sigma)
 

Functions

void clusterPDFName (const VxdID &sensor, int size, int side, int maxClusterSize, std::string &PDFName, std::string &errorPDFName, bool useLegacyNaming)
 Function to set name of PDF for cluster quality estimation.
 
void occupancyPDFName (const VxdID &sensor, int side, std::string &PDFName)
 Function to maintain common naming convention between calibration occupancy file generation and occupancy value extraction in main crossTalkFinder module.
 
template<class SpacePointType>
void provideSVDClusterSingles (const StoreArray< SVDCluster > &svdClusters, StoreArray< SpacePointType > &spacePoints)
 simply store one spacePoint for each existing SVDCluster.
 
void storeInputVectorFromSingleCluster (const SVDCluster *cls, std::vector< float > &inputVector, const SVDNoiseCalibrations &noiseCal)
 Store the input values for SVDSpacePoint selection from the given SVDCluster.
 
void findPossibleCombinations (const Belle2::ClustersOnSensor &aSensor, std::vector< std::vector< const SVDCluster * > > &foundCombinations, const SVDHitTimeSelection &hitTimeCut, const bool &useSVDGroupInfo, const int &numberOfSignalGroups, const bool &formSingleSignalGroup, const SVDNoiseCalibrations &noiseCal, const DBObjPtr< SVDSpacePointSNRFractionSelector > &svdSpacePointSelectionFunction, bool useSVDSpacePointSNRFractionSelector)
 stores all possible 2-Cluster-combinations.
 
void spPDFName (const VxdID &sensor, int uSize, int vSize, int maxClusterSize, std::string &PDFName, std::string &errorPDFName, bool useLegacyNaming)
 Function to set name of PDF for spacePoint quality estimation.
 
void calculatePairingProb (TFile *pdfFile, std::vector< const SVDCluster * > &clusters, double &prob, double &error, bool useLegacyNaming)
 Function to extract probability of correct (pair from signal hit) cluster pairing from preconfigured pdfs Probability defined as Pcharge * Ptime * Pucluster * Pvcluster.
 
template<class SpacePointType>
void provideSVDClusterCombinations (const StoreArray< SVDCluster > &svdClusters, StoreArray< SpacePointType > &spacePoints, SVDHitTimeSelection &hitTimeCut, bool useQualityEstimator, TFile *pdfFile, bool useLegacyNaming, unsigned int numMaxSpacePoints, std::string m_eventLevelTrackingInfoName, const bool &useSVDGroupInfo, const int &numberOfSignalGroups, const bool &formSingleSignalGroup, const SVDNoiseCalibrations &noiseCal, const DBObjPtr< SVDSpacePointSNRFractionSelector > &svdSpacePointSelectionFunction, bool useSVDSpacePointSNRFractionSelector)
 finds all possible combinations of U and V Clusters for SVDClusters.
 
double myGaus (const double *x, const double *par)
 Gauss function to be used in the fit.
 
void addGausToHistogram (TH1D &hist, const double &integral, const double &center, const double &sigma, const double &sigmaN, const bool &isAddition=true)
 Add (or Subtract) a Gaussian to (or from) a histogram.
 
void subtractGausFromHistogram (TH1D &hist, const double &integral, const double &center, const double &sigma, const double &sigmaN)
 Subtract a Gaussian from a histogram.
 
int getSensorType (const VxdID &sensorID)
 Get Sensor Type of SVD sensors.
 

Detailed Description

Typedef Documentation

◆ GroupInfo

typedef std::tuple<double, double, double> GroupInfo

typedef to be used to store Gauss parameters (integral, center, sigma)

Definition at line 39 of file SVDTimeGroupingModule.h.

Function Documentation

◆ addGausToHistogram()

void addGausToHistogram ( TH1D & hist,
const double & integral,
const double & center,
const double & sigma,
const double & sigmaN,
const bool & isAddition = true )
inline

Add (or Subtract) a Gaussian to (or from) a histogram.

The gauss is calculated upto the sigmaN passed to the function.

Definition at line 174 of file SVDTimeGroupingModule.h.

177 {
178 int startBin = hist.FindBin(center - sigmaN * sigma);
179 int endBin = hist.FindBin(center + sigmaN * sigma);
180 if (startBin < 1) startBin = 1;
181 if (endBin > (hist.GetNbinsX())) endBin = hist.GetNbinsX();
182
183 for (int ijx = startBin; ijx <= endBin; ijx++) {
184 double tbinc = hist.GetBinCenter(ijx);
185 double tbincontent = hist.GetBinContent(ijx);
186
187 if (isAddition) tbincontent += integral * TMath::Gaus(tbinc, center, sigma, true);
188 else tbincontent -= integral * TMath::Gaus(tbinc, center, sigma, true);
189
190 hist.SetBinContent(ijx, tbincontent);
191 }
192 }

◆ calculatePairingProb()

void calculatePairingProb ( TFile * pdfFile,
std::vector< const SVDCluster * > & clusters,
double & prob,
double & error,
bool useLegacyNaming )
inline

Function to extract probability of correct (pair from signal hit) cluster pairing from preconfigured pdfs Probability defined as Pcharge * Ptime * Pucluster * Pvcluster.

Definition at line 255 of file SpacePointHelperFunctions.h.

257 {
258
259 int maxSize;
260 int pdfEntries = pdfFile->GetListOfKeys()->GetSize();
261 if (useLegacyNaming == true) {
262 maxSize = floor(sqrt((pdfEntries - 4) / 6)); //4(time+size)+3(sensors)*2(prob/error)*size^2(u/v combo.)
263 } else {
264 maxSize = floor(sqrt((pdfEntries - 4) / 344)); //4(time+size)+172(sensorType)*2(prob/error)*size^2(u/v combo.)
265 }
266 std::string chargeProbInput;
267 std::string chargeErrorInput;
268
269 spPDFName(clusters[0]->getSensorID(), clusters[0]->getSize(), clusters[1]->getSize(), maxSize,
270 chargeProbInput, chargeErrorInput, useLegacyNaming);
271 std::string timeProbInput = "timeProb";
272 std::string timeErrorInput = "timeError";
273 std::string sizeProbInput = "sizeProb";
274 std::string sizeErrorInput = "sizeError";
275
276
277 TH2F* chargePDF = nullptr;
278 TH2F* chargeError = nullptr;
279 TH2F* timePDF = nullptr;
280 TH2F* timeError = nullptr;
281 TH2F* sizePDF = nullptr;
282 TH2F* sizeError = nullptr;
283
284 pdfFile->GetObject(chargeProbInput.c_str(), chargePDF);
285 pdfFile->GetObject(chargeErrorInput.c_str(), chargeError);
286 pdfFile->GetObject(timeProbInput.c_str(), timePDF);
287 pdfFile->GetObject(timeErrorInput.c_str(), timeError);
288 pdfFile->GetObject(sizeProbInput.c_str(), sizePDF);
289 pdfFile->GetObject(sizeErrorInput.c_str(), sizeError);
290
291 int xChargeBin = chargePDF->GetXaxis()->FindFixBin(clusters[0]->getCharge());
292 int yChargeBin = chargePDF->GetYaxis()->FindFixBin(clusters[1]->getCharge());
293
294 int xTimeBin = timePDF->GetXaxis()->FindFixBin(clusters[0]->getClsTime());
295 int yTimeBin = timePDF->GetYaxis()->FindFixBin(clusters[1]->getClsTime());
296
297
298 int xSizeBin = sizePDF->GetXaxis()->FindFixBin(clusters[0]->getSize());
299 int ySizeBin = sizePDF->GetYaxis()->FindFixBin(clusters[1]->getSize());
300
301 double chargeProb = chargePDF->GetBinContent(xChargeBin, yChargeBin);
302 double timeProb = timePDF->GetBinContent(xTimeBin, yTimeBin);
303 double sizeProb = sizePDF->GetBinContent(xSizeBin, ySizeBin);
304 double chargeProbError = chargePDF->GetBinContent(xChargeBin, yChargeBin);
305 double timeProbError = timePDF->GetBinContent(xTimeBin, yTimeBin);
306 double sizeProbError = sizePDF->GetBinContent(xSizeBin, ySizeBin);
307
308
309 if (chargeProbError == 0) {
310 B2DEBUG(21, "svdClusterProbabilityEstimator has not been run, spacePoint QI will return zero!");
311 }
312
313 prob = chargeProb * timeProb * sizeProb * clusters[0]->getQuality() * clusters[1]->getQuality();
314 error = prob * sqrt(pow(timeProb * sizeProb * clusters[0]->getQuality() * clusters[1]->getQuality() * chargeProbError, 2) +
315 pow(chargeProb * sizeProb * clusters[0]->getQuality() * clusters[1]->getQuality() * timeProbError, 2) +
316 pow(chargeProb * timeProb * clusters[0]->getQuality() * clusters[1]->getQuality() * sizeProbError, 2) +
317 pow(chargeProb * timeProb * sizeProb * clusters[1]->getQuality() * clusters[0]->getQualityError(), 2) +
318 pow(chargeProb * timeProb * sizeProb * clusters[0]->getQuality() * clusters[1]->getQualityError(), 2));
319 }
double sqrt(double a)
sqrt for double
Definition beamHelpers.h:28
void spPDFName(const VxdID &sensor, int uSize, int vSize, int maxClusterSize, std::string &PDFName, std::string &errorPDFName, bool useLegacyNaming)
Function to set name of PDF for spacePoint quality estimation.

◆ clusterPDFName()

void clusterPDFName ( const VxdID & sensor,
int size,
int side,
int maxClusterSize,
std::string & PDFName,
std::string & errorPDFName,
bool useLegacyNaming )
inline

Function to set name of PDF for cluster quality estimation.

Legacy naming convention for PDFs distributed by sensor type rather than sensor ID, not used after 2018 MC calibrated PDFs.

Definition at line 24 of file ClusterQualityHelperFunctions.h.

26 {
27 if (useLegacyNaming == true) {
28 std::string sensorSide;
29 if (side == 1) sensorSide = "u";
30 if (side == 0) sensorSide = "v";
31
32 if (size > maxClusterSize) size = maxClusterSize;
33 std::string sensorName;
34 if (sensor.getLayerNumber() == 3) sensorName = "l3";
35 if (sensor.getLayerNumber() > 3 && sensor.getSensorNumber() == 1) sensorName = "trap";
36 if (sensor.getLayerNumber() > 3 && sensor.getSensorNumber() > 1) sensorName = "large";
37
38 PDFName = sensorSide + sensorName + std::to_string(size);
39 errorPDFName = PDFName + "Error";
40 } else {
41
42 std::string sensorSide;
43 if (side == 1) sensorSide = "u";
44 if (side == 0) sensorSide = "v";
45 int layer = sensor.getLayerNumber();
46 int ladder = sensor.getLadderNumber();
47 int sens = sensor.getSensorNumber();
48
49 if (size > maxClusterSize) size = maxClusterSize;
50
51 PDFName = std::to_string(layer) + "." + std::to_string(ladder) + "." + std::to_string(sens) + "." + sensorSide + "." +
52 std::to_string(size);
53 errorPDFName = PDFName + "_Error";
54
55 }
56 }

◆ findPossibleCombinations()

void findPossibleCombinations ( const Belle2::ClustersOnSensor & aSensor,
std::vector< std::vector< const SVDCluster * > > & foundCombinations,
const SVDHitTimeSelection & hitTimeCut,
const bool & useSVDGroupInfo,
const int & numberOfSignalGroups,
const bool & formSingleSignalGroup,
const SVDNoiseCalibrations & noiseCal,
const DBObjPtr< SVDSpacePointSNRFractionSelector > & svdSpacePointSelectionFunction,
bool useSVDSpacePointSNRFractionSelector )
inline

stores all possible 2-Cluster-combinations.

first parameter is a struct containing all clusters on current sensor. second parameter is the container which collects all combinations found.

for each u cluster, a v cluster is combined to a possible combination. Condition which has to be fulfilled: the first entry is always an u cluster, the second always a v-cluster

Definition at line 137 of file SpacePointHelperFunctions.h.

142 {
143
144 for (const SVDCluster* uCluster : aSensor.clustersU) {
145 if (! hitTimeCut.isClusterInTime(uCluster->getSensorID(), 1, uCluster->getClsTime())) {
146 B2DEBUG(29, "Cluster rejected due to timing cut. Cluster time: " << uCluster->getClsTime());
147 continue;
148 }
149 for (const SVDCluster* vCluster : aSensor.clustersV) {
150 if (! hitTimeCut.isClusterInTime(vCluster->getSensorID(), 0, vCluster->getClsTime())) {
151 B2DEBUG(29, "Cluster rejected due to timing cut. Cluster time: " << vCluster->getClsTime());
152 continue;
153 }
154
155 if (! hitTimeCut.areClusterTimesCompatible(vCluster->getSensorID(), uCluster->getClsTime(), vCluster->getClsTime())) {
156 B2DEBUG(29, "Cluster combination rejected due to timing cut. Cluster time U (" << uCluster->getClsTime() <<
157 ") is incompatible with Cluster time V (" << vCluster->getClsTime() << ")");
158 continue;
159 }
160
161 if (useSVDGroupInfo) {
162 const std::vector<int>& uTimeGroupId = uCluster->getTimeGroupId();
163 const std::vector<int>& vTimeGroupId = vCluster->getTimeGroupId();
164
165 if (int(uTimeGroupId.size()) && int(vTimeGroupId.size())) { // indirect check if the clusterizer module is disabled
166 bool isContinue = true;
167 for (auto& uitem : uTimeGroupId) {
168 if (uitem < 0 || uitem >= numberOfSignalGroups) continue;
169 for (auto& vitem : vTimeGroupId) {
170 if (vitem < 0 || vitem >= numberOfSignalGroups) continue;
171 if ((uitem == vitem) || formSingleSignalGroup) { isContinue = false; break; }
172 }
173 if (!isContinue) break;
174 }
175
176 if (isContinue) {
177 B2DEBUG(29, "Cluster combination rejected due to different time-group Id.");
178 continue;
179 }
180 }
181 }
182
183 if (useSVDSpacePointSNRFractionSelector) {
184 std::vector<float> inputU;
185 std::vector<float> inputV;
186
187 storeInputVectorFromSingleCluster(uCluster, inputU, noiseCal);
188 storeInputVectorFromSingleCluster(vCluster, inputV, noiseCal);
189
190 bool pass = svdSpacePointSelectionFunction->passSNRFractionSelection(inputU, inputV);
191 if (!pass) {
192 B2DEBUG(29, "Cluster combination rejected due to SVDSpacePointSNRFractionSelector");
193 continue;
194 }
195 }
196
197 foundCombinations.push_back({uCluster, vCluster});
198
199
200 }
201 }
202
203
204
205
206 }
The SVD Cluster class This class stores all information about reconstructed SVD clusters.
Definition SVDCluster.h:29
float getClsTime() const
Get average of waveform maximum times of cluster strip signals.
Definition SVDCluster.h:134
VxdID getSensorID() const
Get the sensor ID.
Definition SVDCluster.h:102
const std::vector< int > & getTimeGroupId() const
Get ID of the time-group.
Definition SVDCluster.h:184
bool isClusterInTime(const Belle2::VxdID &sensorID, const bool &isU, const double &svdTime, const double &svdTimeError=0, const double &t0=0, const double &t0Error=0) const
Return whether the cluster is estimated to be in time with the event or off-time.
bool areClusterTimesCompatible(const Belle2::VxdID &sensorID, const double &uTime, const double &vTime=0) const
Return whether the cluster is estimated to be in time with the event or off-time.
void storeInputVectorFromSingleCluster(const SVDCluster *cls, std::vector< float > &inputVector, const SVDNoiseCalibrations &noiseCal)
Store the input values for SVDSpacePoint selection from the given SVDCluster.
std::vector< const SVDCluster * > clustersU
stores all SVDclusters of U type.
std::vector< const SVDCluster * > clustersV
stores all SVDclusters of V type.

◆ getSensorType()

int getSensorType ( const VxdID & sensorID)
inline

Get Sensor Type of SVD sensors.

Definition at line 207 of file SVDTimeGroupingModule.h.

208 {
209 int layer = sensorID.getLayerNumber();
210 int sensor = sensorID.getSensorNumber();
211 if (layer == 3)
212 return 0;
213 else {
214 if (sensor == 1)
215 return 1;
216 else
217 return 2;
218 }
219 }
baseType getSensorNumber() const
Get the sensor id.
Definition VxdID.h:99
baseType getLayerNumber() const
Get the layer id.
Definition VxdID.h:95

◆ myGaus()

double myGaus ( const double * x,
const double * par )
inline

Gauss function to be used in the fit.

Definition at line 164 of file SVDTimeGroupingModule.h.

165 {
166 return par[0] * TMath::Gaus(x[0], par[1], par[2], true);
167 }

◆ occupancyPDFName()

void occupancyPDFName ( const VxdID & sensor,
int side,
std::string & PDFName )
inline

Function to maintain common naming convention between calibration occupancy file generation and occupancy value extraction in main crossTalkFinder module.

Definition at line 27 of file SVDCrossTalkFinderHelperFunctions.h.

28 {
29
30 int layer = sensor.getLayerNumber();
31 int ladder = sensor.getLadderNumber();
32 int sens = sensor.getSensorNumber();
33
34
35 PDFName = std::to_string(layer) + "." + std::to_string(ladder) + "." + std::to_string(sens) + "." + std::to_string(side);
36
37
38 }

◆ provideSVDClusterCombinations()

template<class SpacePointType>
void provideSVDClusterCombinations ( const StoreArray< SVDCluster > & svdClusters,
StoreArray< SpacePointType > & spacePoints,
SVDHitTimeSelection & hitTimeCut,
bool useQualityEstimator,
TFile * pdfFile,
bool useLegacyNaming,
unsigned int numMaxSpacePoints,
std::string m_eventLevelTrackingInfoName,
const bool & useSVDGroupInfo,
const int & numberOfSignalGroups,
const bool & formSingleSignalGroup,
const SVDNoiseCalibrations & noiseCal,
const DBObjPtr< SVDSpacePointSNRFractionSelector > & svdSpacePointSelectionFunction,
bool useSVDSpacePointSNRFractionSelector )

finds all possible combinations of U and V Clusters for SVDClusters.

first parameter is a storeArray containing SVDClusters. second parameter is a storeArra containing SpacePoints (will be filled in the function). third parameter tels the spacePoint where to get the name of the storeArray containing the related clusters relationweights code the type of the cluster. +1 for u and -1 for v

Definition at line 328 of file SpacePointHelperFunctions.h.

334 {
335 std::unordered_map<VxdID::baseType, ClustersOnSensor>
336 activatedSensors; // collects one entry per sensor, each entry will contain all Clusters on it TODO: better to use a sorted vector/list?
337 std::vector<std::vector<const SVDCluster*> >
338 foundCombinations; // collects all combinations of Clusters which were possible (condition: 1u+1v-Cluster on the same sensor)
339
340 // sort Clusters by sensor. After the loop, each entry of activatedSensors contains all U and V-type clusters on that sensor
341 for (unsigned int i = 0; i < uint(svdClusters.getEntries()); ++i) {
342 SVDCluster* currentCluster = svdClusters[i];
343
344 activatedSensors[currentCluster->getSensorID().getID()].addCluster(currentCluster);
345 }
346
347
348 for (auto& aSensor : activatedSensors)
349 findPossibleCombinations(aSensor.second, foundCombinations, hitTimeCut, useSVDGroupInfo, numberOfSignalGroups,
350 formSingleSignalGroup,
351 noiseCal, svdSpacePointSelectionFunction, useSVDSpacePointSNRFractionSelector);
352
353 // Do not make space-points if their number would be too large to be considered by tracking
354 if (foundCombinations.size() > numMaxSpacePoints) {
355 StoreObjPtr<EventLevelTrackingInfo> m_eventLevelTrackingInfo(m_eventLevelTrackingInfoName);
356 if (m_eventLevelTrackingInfo.isValid()) {
357 m_eventLevelTrackingInfo->setSVDSpacePointCreatorAbortionFlag();
358 }
359 return;
360 }
361
362 for (auto& clusterCombi : foundCombinations) {
363 SpacePointType* newSP = spacePoints.appendNew(clusterCombi);
364 if (useQualityEstimator == true) {
365 double probability;
366 double error;
367 calculatePairingProb(pdfFile, clusterCombi, probability, error, useLegacyNaming);
368 newSP->setQualityEstimation(probability);
369 newSP->setQualityEstimationError(error);
370 }
371 for (auto* cluster : clusterCombi) {
372 newSP->addRelationTo(cluster, cluster->isUCluster() ? 1. : -1.);
373 }
374 }
375 }
T * appendNew()
Construct a new T object at the end of the array.
Definition StoreArray.h:246
int getEntries() const
Get the number of objects in the array.
Definition StoreArray.h:216
baseType getID() const
Get the unique id.
Definition VxdID.h:93
void calculatePairingProb(TFile *pdfFile, std::vector< const SVDCluster * > &clusters, double &prob, double &error, bool useLegacyNaming)
Function to extract probability of correct (pair from signal hit) cluster pairing from preconfigured ...
void findPossibleCombinations(const Belle2::ClustersOnSensor &aSensor, std::vector< std::vector< const SVDCluster * > > &foundCombinations, const SVDHitTimeSelection &hitTimeCut, const bool &useSVDGroupInfo, const int &numberOfSignalGroups, const bool &formSingleSignalGroup, const SVDNoiseCalibrations &noiseCal, const DBObjPtr< SVDSpacePointSNRFractionSelector > &svdSpacePointSelectionFunction, bool useSVDSpacePointSNRFractionSelector)
stores all possible 2-Cluster-combinations.

◆ provideSVDClusterSingles()

template<class SpacePointType>
void provideSVDClusterSingles ( const StoreArray< SVDCluster > & svdClusters,
StoreArray< SpacePointType > & spacePoints )

simply store one spacePoint for each existing SVDCluster.

first parameter is a storeArray containing SVDClusters. second parameter is a storeArra containing SpacePoints (will be filled in the function).

Definition at line 78 of file SpacePointHelperFunctions.h.

80 {
81 for (unsigned int i = 0; i < uint(svdClusters.getEntries()); ++i) {
82 const SVDCluster* currentCluster = svdClusters[i];
83 std::vector<const SVDCluster*> currentClusterCombi = { currentCluster };
84 SpacePointType* newSP = spacePoints.appendNew(currentClusterCombi);
85 newSP->addRelationTo(currentCluster);
86 }
87 }

◆ spPDFName()

void spPDFName ( const VxdID & sensor,
int uSize,
int vSize,
int maxClusterSize,
std::string & PDFName,
std::string & errorPDFName,
bool useLegacyNaming )
inline

Function to set name of PDF for spacePoint quality estimation.

Legacy naming convention for PDFs distributed by sensor type rather than sensor ID, not used after 2018 MC calibrated PDFs.

Definition at line 213 of file SpacePointHelperFunctions.h.

215 {
216 if (useLegacyNaming == true) {
217
218 if (uSize > maxClusterSize) uSize = maxClusterSize;
219 if (vSize > maxClusterSize) vSize = maxClusterSize;
220
221 std::string sensorName;
222
223 if (sensor.getLayerNumber() == 3) sensorName = "l3";
224 if (sensor.getLayerNumber() > 3 && sensor.getSensorNumber() == 1) sensorName = "trap";
225 if (sensor.getLayerNumber() > 3 && sensor.getSensorNumber() > 1) sensorName = "large";
226
227 PDFName = sensorName + std::to_string(uSize) + std::to_string(vSize);
228 errorPDFName = "error" + PDFName;
229 } else {
230
231 if (uSize > maxClusterSize) uSize = maxClusterSize;
232 if (vSize > maxClusterSize) vSize = maxClusterSize;
233
234 int layer = sensor.getLayerNumber();
235 int ladder = sensor.getLadderNumber();
236 int sens = sensor.getSensorNumber();
237
238 PDFName = std::to_string(layer) + "." + std::to_string(ladder) + "." + std::to_string(sens) + "." + std::to_string(
239 uSize) + "." + std::to_string(vSize);
240 errorPDFName = PDFName + "_Error";
241 }
242
243
244
245 }

◆ storeInputVectorFromSingleCluster()

void storeInputVectorFromSingleCluster ( const SVDCluster * cls,
std::vector< float > & inputVector,
const SVDNoiseCalibrations & noiseCal )
inline

Store the input values for SVDSpacePoint selection from the given SVDCluster.

Definition at line 92 of file SpacePointHelperFunctions.h.

95 {
96 inputVector.clear();
97 inputVector.resize(3, 0.0);
98
99 auto shaperDigits = cls->getRelationsTo<SVDShaperDigit>();
100 float noise = 0;
101 for (auto iSD : shaperDigits) {
102 auto samples = iSD.getSamples();
103 std::vector<float> selectedSamples;
104 if (samples.size() == 6) {
105 Belle2::SVD::SVDMaxSumAlgorithm maxSum(samples);
106 auto maxSamples = maxSum.getSelectedSamples();
107 selectedSamples.assign(maxSamples.begin(), maxSamples.end());
108 } else {
109 selectedSamples.assign(samples.begin(), samples.end());
110 }
111 if (selectedSamples.size() < 3) continue;
112
113 inputVector[0] += selectedSamples[0];
114 inputVector[1] += selectedSamples[1];
115 inputVector[2] += selectedSamples[2];
116
117 VxdID thisSensorID = iSD.getSensorID();
118 bool thisSide = iSD.isUStrip();
119 int thisCellID = iSD.getCellID();
120 float thisNoise = noiseCal.getNoise(thisSensorID, thisSide, thisCellID);
121 noise += thisNoise * thisNoise;
122 }
123 noise = sqrt(noise);
124 inputVector[0] = inputVector[0] / noise;
125 inputVector[1] = inputVector[1] / noise;
126 inputVector[2] = inputVector[2] / noise;
127 }
RelationVector< TO > getRelationsTo(const std::string &name="", const std::string &namedRelation="") const
Get the relations that point from this object to another store array.
float getNoise(const VxdID &sensorID, const bool &isU, const unsigned short &strip) const
This is the method for getting the noise.
The SVD ShaperDigit class.
Class implementing the MaxSum algorithm.
Class to uniquely identify a any structure of the PXD and SVD.
Definition VxdID.h:32

◆ subtractGausFromHistogram()

void subtractGausFromHistogram ( TH1D & hist,
const double & integral,
const double & center,
const double & sigma,
const double & sigmaN )
inline

Subtract a Gaussian from a histogram.

The gauss is calculated upto the sigmaN passed to the function.

Definition at line 199 of file SVDTimeGroupingModule.h.

202 {
203 addGausToHistogram(hist, integral, center, sigma, sigmaN, false);
204 }
void addGausToHistogram(TH1D &hist, const double &integral, const double &center, const double &sigma, const double &sigmaN, const bool &isAddition=true)
Add (or Subtract) a Gaussian to (or from) a histogram.