AlignmentTask Class Reference

Represents an alignment task. More...

#include <AlignmentTask.h>

Classes
struct	DetIdDirIdxPair

Public Types
enum	QuantityClass { qcShR1, qcShR2, qcShZ, qcRotZ }
	quantity classes More...

Public Member Functions
	AlignmentTask ()
	dummy constructor (not to be used) More...
	AlignmentTask (const edm::ParameterSet &ps)
	normal constructor More...
void	buildEqualMeanUMeanVRotZConstraints (std::vector< AlignmentConstraint > &constraints) const
	adds constraints such that only mean-U and mean-V RotZ are equal for each strip RP More...
void	buildFixedDetectorsConstraints (std::vector< AlignmentConstraint > &) const
	builds a set of fixed-detector constraints More...
void	buildIndexMaps ()
	builds "mapMatrixIndeces" from "geometry" More...
void	buildOneRotZPerPotConstraints (std::vector< AlignmentConstraint > &) const
	adds constraints such that only 1 rot_z per RP is left More...
void	buildStandardConstraints (std::vector< AlignmentConstraint > &) const
	builds the standard constraints More...
signed int	getMeasurementIndex (QuantityClass cl, unsigned int detId, unsigned int dirIdx) const
	returns measurement index (if non-existent, returns -1) More...
signed int	getQuantityIndex (QuantityClass cl, unsigned int detId) const
	returns measurement index (if non-existent, returns -1) More...
unsigned int	measurementsOfClass (QuantityClass) const
	returns the number of quantities of the given class More...
unsigned int	quantitiesOfClass (QuantityClass) const
	returns the number of quantities of the given class More...
std::string	quantityClassTag (QuantityClass) const
	returns a string tag for the given quantity class More...

Static Public Member Functions
static void	buildGeometry (const std::vector< unsigned int > &rpDecIds, const std::vector< unsigned int > &excludedSensors, const CTPPSGeometry *, double z0, AlignmentGeometry &geometry)
	builds the alignment geometry More...

Public Attributes
edm::ParameterSet	fixedDetectorsConstraints
	fixed detectors constraints from config file More...
AlignmentGeometry	geometry
	the geometry for this task More...
std::map< QuantityClass, std::map< DetIdDirIdxPair, unsigned int > >	mapMeasurementIndeces
	for each quantity class contains mapping (detector id, direction) –> measurement index More...
std::map< QuantityClass, std::map< unsigned int, unsigned int > >	mapQuantityIndeces
	for each quantity class contains mapping detector id –> quantity index More...
bool	oneRotZPerPot
	whether to resolve only 1 rot_z per RP More...
std::vector< QuantityClass >	quantityClasses
	list of quantity classes to be optimized More...
bool	resolveRotZ
	whether to resolve detector rotations around z More...
bool	resolveShR
	whether to resolve detector shifts in readout direction(s) More...
bool	resolveShZ
	whether to resolve detector shifts in z More...
edm::ParameterSet	standardConstraints
	settings of "standard" constraints from config file More...
bool	useEqualMeanUMeanVRotZConstraints
	whether to apply the constraint mean U = mean V RotZ for strips ("standard" set of constraints only) More...

Detailed Description

Represents an alignment task.

Definition at line 20 of file AlignmentTask.h.

Member Enumeration Documentation

QuantityClass

enum AlignmentTask::QuantityClass

quantity classes

Enumerator
qcShR1	detector shifts in first readout direction
qcShR2	detector shifts in second readout direction
qcShZ	detector shifts in z
qcRotZ	detector rotations around z

Definition at line 60 of file AlignmentTask.h.

                     {
    qcShR1,  
    qcShR2,  
    qcShZ,   
    qcRotZ,  
  };

Constructor & Destructor Documentation

AlignmentTask() [1/2]

AlignmentTask::AlignmentTask ( )

inline

dummy constructor (not to be used)

Definition at line 127 of file AlignmentTask.h.

{}

AlignmentTask() [2/2]

AlignmentTask::AlignmentTask

(

const edm::ParameterSet &

ps

)

normal constructor

Definition at line 23 of file AlignmentTask.cc.

References qcRotZ, qcShR1, qcShR2, qcShZ, quantityClasses, resolveRotZ, resolveShR, and resolveShZ.

    : resolveShR(ps.getParameter<bool>("resolveShR")),
      resolveShZ(ps.getParameter<bool>("resolveShZ")),
      resolveRotZ(ps.getParameter<bool>("resolveRotZ")),

      oneRotZPerPot(ps.getParameter<bool>("oneRotZPerPot")),
      useEqualMeanUMeanVRotZConstraints(ps.getParameter<bool>("useEqualMeanUMeanVRotZConstraints")),

      fixedDetectorsConstraints(ps.getParameterSet("fixedDetectorsConstraints")),
      standardConstraints(ps.getParameterSet("standardConstraints")) {
  if (resolveShR) {
    quantityClasses.push_back(qcShR1);
    quantityClasses.push_back(qcShR2);
  }

  if (resolveShZ) {
    quantityClasses.push_back(qcShZ);
  }

  if (resolveRotZ) {
    quantityClasses.push_back(qcRotZ);
  }
}

Member Function Documentation

buildEqualMeanUMeanVRotZConstraints()

void AlignmentTask::buildEqualMeanUMeanVRotZConstraints

(

std::vector< AlignmentConstraint > &

constraints

)

const

adds constraints such that only mean-U and mean-V RotZ are equal for each strip RP

Definition at line 500 of file AlignmentTask.cc.

References CTPPSDetId::arm(), visDQMUpload::buf, DummyCfis::c, AlignmentConstraint::coef, createBeamHaloJobs::constraints, protons_cff::decRPId, hcalRecHitTable_cff::detId, getQuantityIndex(), visualization-live-secondInstance_cfg::m, AlignmentConstraint::name, AlCaHLTBitMon_ParallelJobs::p, amptDefault_cfi::proj, qcRotZ, quantitiesOfClass(), quantityClasses, CTPPSDetId::rp(), CTPPSDetId::sdTrackingStrip, CTPPSDetId::station(), AlCaHLTBitMon_QueryRunRegistry::string, and AlignmentConstraint::val.

Referenced by buildStandardConstraints().

                                                                                                      {
  // build map strip rp id --> pair( vector of U planes, vector of V planes )
  map<unsigned int, pair<vector<unsigned int>, vector<unsigned int>>> m;
  for (const auto &p : geometry.getSensorMap()) {
    CTPPSDetId detId(p.first);

    if (detId.subdetId() != CTPPSDetId::sdTrackingStrip)
      continue;

    CTPPSDetId rpId = detId.rpId();
    unsigned int decRPId = rpId.arm() * 100 + rpId.station() * 10 + rpId.rp();

    if (p.second.isU)
      m[decRPId].first.push_back(p.first);
    else
      m[decRPId].second.push_back(p.first);
  }

  // loop over RPs
  for (const auto &p : m) {
    AlignmentConstraint ac;

    char buf[100];
    sprintf(buf, "RotZ: RP %u, MeanU = MeanV", p.first);
    ac.name = buf;

    ac.val = 0;

    for (auto &qcit : quantityClasses) {
      ac.coef[qcit].ResizeTo(quantitiesOfClass(qcit));
      ac.coef[qcit].Zero();
    }

    for (auto &&proj : {"U", "V"}) {
      const auto &planes = (proj == string("U")) ? p.second.first : p.second.second;
      const double c = ((proj == string("U")) ? -1. : +1.) / planes.size();

      for (const auto &plane : planes) {
        signed int qIdx = getQuantityIndex(qcRotZ, plane);
        ac.coef[qcRotZ][qIdx] = c;

        TotemRPDetId plId(plane);
      }
    }

    constraints.push_back(ac);
  }
}

buildFixedDetectorsConstraints()

void AlignmentTask::buildFixedDetectorsConstraints

(

std::vector< AlignmentConstraint > &

constraints

)

const

builds a set of fixed-detector constraints

Definition at line 250 of file AlignmentTask.cc.

References visDQMUpload::buf, buildOneRotZPerPotConstraints(), AlignmentConstraint::coef, createBeamHaloJobs::constraints, Exception, fixedDetectorsConstraints, edm::ParameterSet::getParameter(), edm::ParameterSet::getParameterSet(), getQuantityIndex(), dqmiolumiharvest::j, AlignmentConstraint::name, oneRotZPerPot, qcRotZ, quantitiesOfClass(), quantityClasses, quantityClassTag(), findQualityFiles::size, makeGlobalPositionRcd_cfg::tag, AlignmentConstraint::val, and contentValuesCheck::values.

Referenced by StraightTrackAlignment::buildConstraints().

                                                                                                 {
  for (auto &quantityClass : quantityClasses) {
    // get input
    const string &tag = quantityClassTag(quantityClass);

    const ParameterSet &classSettings = fixedDetectorsConstraints.getParameterSet(tag.c_str());
    vector<unsigned int> ids(classSettings.getParameter<vector<unsigned int>>("ids"));
    vector<double> values(classSettings.getParameter<vector<double>>("values"));

    if (ids.size() != values.size())
      throw cms::Exception("PPS") << "Different number of constraint ids and values for " << tag << ".";

    // determine number of constraints
    unsigned int size = ids.size();

    // just one basic constraint
    if (oneRotZPerPot && quantityClass == qcRotZ) {
      if (size > 1)
        size = 1;
    }

    // build constraints
    for (unsigned int j = 0; j < size; j++) {
      // prepare empty constraint
      AlignmentConstraint ac;

      for (auto &qcit : quantityClasses) {
        ac.coef[qcit].ResizeTo(quantitiesOfClass(qcit));
        ac.coef[qcit].Zero();
      }

      // set constraint name
      char buf[40];
      sprintf(buf, "%s: fixed plane %4u", tag.c_str(), ids[j]);
      ac.name = buf;

      // get quantity index
      signed int qIndex = getQuantityIndex(quantityClass, ids[j]);
      if (qIndex < 0)
        throw cms::Exception("AlignmentTask::BuildFixedDetectorsConstraints")
            << "Quantity index for class " << quantityClass << " and id " << ids[j] << " is " << qIndex;

      // set constraint coefficient and value
      ac.coef[quantityClass][qIndex] = 1.;
      ac.val = values[j] * 1E-3;

      // save constraint
      constraints.push_back(ac);
    }

    if (oneRotZPerPot && quantityClass == qcRotZ)
      buildOneRotZPerPotConstraints(constraints);
  }
}

buildGeometry()

void AlignmentTask::buildGeometry ( const std::vector< unsigned int > &  rpDecIds, const std::vector< unsigned int > &  excludedSensors, const CTPPSGeometry *  input, double  z0, AlignmentGeometry &  geometry  )

static

builds the alignment geometry

Definition at line 49 of file AlignmentTask.cc.

References DummyCfis::c, d1, hcalRecHitTable_cff::detId, spr::find(), input, ALPAKA_ACCELERATOR_NAMESPACE::vertexFinder::it, TotemRPDetId::plane(), CTPPSDetId::rp(), CTPPSDetId::sdTrackingStrip, DetGeometry::setDirection(), and HLTMuonOfflineAnalyzer_cfi::z0.

Referenced by StraightTrackAlignment::begin(), and PPSModifySingularModes::beginRun().

                                                               {
  geometry.z0 = z0;

  // traverse full known geometry
  for (auto it = input->beginSensor(); it != input->endSensor(); ++it) {
    // skip excluded sensors
    if (find(excludedSensors.begin(), excludedSensors.end(), it->first) != excludedSensors.end())
      continue;

    // is RP selected?
    const CTPPSDetId detId(it->first);
    const unsigned int rpDecId = 100 * detId.arm() + 10 * detId.station() + detId.rp();
    if (find(rpDecIds.begin(), rpDecIds.end(), rpDecId) == rpDecIds.end())
      continue;

    // extract geometry data
    CTPPSGeometry::Vector c = input->localToGlobal(detId, CTPPSGeometry::Vector(0., 0., 0.));
    CTPPSGeometry::Vector d1 = input->localToGlobal(detId, CTPPSGeometry::Vector(1., 0., 0.)) - c;
    CTPPSGeometry::Vector d2 = input->localToGlobal(detId, CTPPSGeometry::Vector(0., 1., 0.)) - c;

    // for strips: is it U plane?
    bool isU = false;
    if (detId.subdetId() == CTPPSDetId::sdTrackingStrip) {
      TotemRPDetId stripDetId(it->first);
      unsigned int rpNum = stripDetId.rp();
      unsigned int plNum = stripDetId.plane();
      isU = (plNum % 2 != 0);
      if (rpNum == 2 || rpNum == 3)
        isU = !isU;
    }

    DetGeometry dg(c.z() - z0, c.x(), c.y(), isU);
    dg.setDirection(1, d1.x(), d1.y(), d1.z());
    dg.setDirection(2, d2.x(), d2.y(), d2.z());
    geometry.insert(it->first, dg);
  }
}

buildIndexMaps()

void AlignmentTask::buildIndexMaps

(

)

builds "mapMatrixIndeces" from "geometry"

Definition at line 93 of file AlignmentTask.cc.

References hcalRecHitTable_cff::detId, mapMeasurementIndeces, mapQuantityIndeces, qcRotZ, qcShR1, qcShR2, qcShZ, quantityClasses, CTPPSDetId::sdTimingDiamond, CTPPSDetId::sdTrackingPixel, CTPPSDetId::sdTrackingStrip, and DetId::subdetId().

Referenced by StraightTrackAlignment::begin().

                                   {
  // remove old mapping
  mapMeasurementIndeces.clear();
  mapQuantityIndeces.clear();

  // loop over all classes
  for (const auto &qcl : quantityClasses) {
    // create entry for this class
    mapMeasurementIndeces[qcl];

    // loop over all sensors
    unsigned int idxMeas = 0;
    unsigned int idxQuan = 0;
    for (const auto &git : geometry.getSensorMap()) {
      const unsigned int detId = git.first;
      const unsigned int subdetId = CTPPSDetId(git.first).subdetId();

      // update measurement map
      if (qcl == qcShR1) {
        if (subdetId == CTPPSDetId::sdTimingDiamond)
          mapMeasurementIndeces[qcl][{detId, 1}] = idxMeas++;
        if (subdetId == CTPPSDetId::sdTrackingPixel)
          mapMeasurementIndeces[qcl][{detId, 1}] = idxMeas++;
      }

      if (qcl == qcShR2) {
        if (subdetId == CTPPSDetId::sdTrackingStrip)
          mapMeasurementIndeces[qcl][{detId, 2}] = idxMeas++;
        if (subdetId == CTPPSDetId::sdTrackingPixel)
          mapMeasurementIndeces[qcl][{detId, 2}] = idxMeas++;
      }

      if (qcl == qcShZ) {
        if (subdetId == CTPPSDetId::sdTrackingStrip)
          mapMeasurementIndeces[qcl][{detId, 2}] = idxMeas++;
        if (subdetId == CTPPSDetId::sdTrackingPixel)
          mapMeasurementIndeces[qcl][{detId, 1}] = idxMeas++;
        if (subdetId == CTPPSDetId::sdTrackingPixel)
          mapMeasurementIndeces[qcl][{detId, 2}] = idxMeas++;
        if (subdetId == CTPPSDetId::sdTimingDiamond)
          mapMeasurementIndeces[qcl][{detId, 1}] = idxMeas++;
      }

      if (qcl == qcRotZ) {
        if (subdetId == CTPPSDetId::sdTrackingStrip)
          mapMeasurementIndeces[qcl][{detId, 2}] = idxMeas++;
        if (subdetId == CTPPSDetId::sdTrackingPixel)
          mapMeasurementIndeces[qcl][{detId, 1}] = idxMeas++;
        if (subdetId == CTPPSDetId::sdTrackingPixel)
          mapMeasurementIndeces[qcl][{detId, 2}] = idxMeas++;
        if (subdetId == CTPPSDetId::sdTimingDiamond)
          mapMeasurementIndeces[qcl][{detId, 1}] = idxMeas++;
      }

      // update quantity map
      if (qcl == qcShR1) {
        if (subdetId == CTPPSDetId::sdTimingDiamond)
          mapQuantityIndeces[qcl][detId] = idxQuan++;
        if (subdetId == CTPPSDetId::sdTrackingPixel)
          mapQuantityIndeces[qcl][detId] = idxQuan++;
      }

      if (qcl == qcShR2) {
        if (subdetId == CTPPSDetId::sdTrackingStrip)
          mapQuantityIndeces[qcl][detId] = idxQuan++;
        if (subdetId == CTPPSDetId::sdTrackingPixel)
          mapQuantityIndeces[qcl][detId] = idxQuan++;
      }

      if (qcl == qcShZ) {
        if (subdetId == CTPPSDetId::sdTrackingStrip)
          mapQuantityIndeces[qcl][detId] = idxQuan++;
        if (subdetId == CTPPSDetId::sdTimingDiamond)
          mapQuantityIndeces[qcl][detId] = idxQuan++;
        if (subdetId == CTPPSDetId::sdTrackingPixel)
          mapQuantityIndeces[qcl][detId] = idxQuan++;
      }

      if (qcl == qcRotZ) {
        if (subdetId == CTPPSDetId::sdTrackingStrip)
          mapQuantityIndeces[qcl][detId] = idxQuan++;
        if (subdetId == CTPPSDetId::sdTimingDiamond)
          mapQuantityIndeces[qcl][detId] = idxQuan++;
        if (subdetId == CTPPSDetId::sdTrackingPixel)
          mapQuantityIndeces[qcl][detId] = idxQuan++;
      }
    }
  }
}

buildOneRotZPerPotConstraints()

void AlignmentTask::buildOneRotZPerPotConstraints

(

std::vector< AlignmentConstraint > &

constraints

)

const

adds constraints such that only 1 rot_z per RP is left

Definition at line 455 of file AlignmentTask.cc.

References CTPPSDetId::arm(), visDQMUpload::buf, AlignmentConstraint::coef, createBeamHaloJobs::constraints, protons_cff::decRPId, hcalRecHitTable_cff::detId, getQuantityIndex(), visualization-live-secondInstance_cfg::m, AlignmentConstraint::name, AlCaHLTBitMon_ParallelJobs::p, qcRotZ, quantitiesOfClass(), quantityClasses, CTPPSDetId::rp(), CTPPSDetId::station(), and AlignmentConstraint::val.

Referenced by buildFixedDetectorsConstraints(), and buildStandardConstraints().

                                                                                                   {
  // build map rp id --> sensor ids
  map<unsigned int, vector<unsigned int>> m;
  for (const auto &p : geometry.getSensorMap()) {
    CTPPSDetId detId(p.first);
    CTPPSDetId rpId = detId.rpId();
    unsigned int decRPId = rpId.arm() * 100 + rpId.station() * 10 + rpId.rp();
    m[decRPId].push_back(p.first);
  }

  // traverse all RPs
  for (const auto &p : m) {
    // build n_planes-1 constraints
    unsigned int prev_detId = 0;
    for (const auto &detId : p.second) {
      if (prev_detId != 0) {
        AlignmentConstraint ac;

        char buf[100];
        sprintf(buf, "RotZ: RP %u, plane %u = plane %u", p.first, prev_detId, detId);
        ac.name = buf;

        ac.val = 0;

        for (auto &qcit : quantityClasses) {
          ac.coef[qcit].ResizeTo(quantitiesOfClass(qcit));
          ac.coef[qcit].Zero();
        }

        signed int qIdx1 = getQuantityIndex(qcRotZ, prev_detId);
        signed int qIdx2 = getQuantityIndex(qcRotZ, detId);

        ac.coef[qcRotZ][qIdx1] = +1.;
        ac.coef[qcRotZ][qIdx2] = -1.;

        constraints.push_back(ac);
      }

      prev_detId = detId;
    }
  }
}

buildStandardConstraints()

void AlignmentTask::buildStandardConstraints

(

std::vector< AlignmentConstraint > &

constraints

)

const

builds the standard constraints

Definition at line 307 of file AlignmentTask.cc.

References CTPPSDetId::arm(), visDQMUpload::buf, buildEqualMeanUMeanVRotZConstraints(), buildOneRotZPerPotConstraints(), AlignmentConstraint::coef, createBeamHaloJobs::constraints, hcalRecHitTable_cff::detId, Exception, edm::ParameterSet::getParameter(), getQuantityIndex(), mps_fire::i, ALPAKA_ACCELERATOR_NAMESPACE::vertexFinder::it, AlignmentConstraint::name, oneRotZPerPot, qcRotZ, qcShR1, qcShR2, quantitiesOfClass(), quantityClasses, resolveRotZ, resolveShR, CTPPSDetId::rp(), CTPPSDetId::rpId(), CTPPSDetId::sdTrackingPixel, CTPPSDetId::sdTrackingStrip, standardConstraints, CTPPSDetId::station(), DetId::subdetId(), useEqualMeanUMeanVRotZConstraints, AlignmentConstraint::val, and mps_merge::weight.

Referenced by StraightTrackAlignment::buildConstraints().

                                                                                           {
  const vector<unsigned int> &decUnitIds = standardConstraints.getParameter<vector<unsigned int>>("units");

  // count planes in RPs
  map<unsigned int, unsigned int> planesPerPot;
  for (const auto &it : geometry.getSensorMap()) {
    CTPPSDetId detId(it.first);
    planesPerPot[detId.rpId()]++;
  }

  // ShR constraints
  if (resolveShR) {
    for (const auto &decUnitId : decUnitIds) {
      // prepare empty constraints
      AlignmentConstraint ac_X;
      for (auto &qcit : quantityClasses) {
        ac_X.coef[qcit].ResizeTo(quantitiesOfClass(qcit));
        ac_X.coef[qcit].Zero();
      }
      ac_X.val = 0;

      AlignmentConstraint ac_Y(ac_X);

      // set constraint names
      char buf[50];
      sprintf(buf, "ShR: unit %u, MeanX=0", decUnitId);
      ac_X.name = buf;
      sprintf(buf, "ShR: unit %u, MeanY=0", decUnitId);
      ac_Y.name = buf;

      // traverse geometry
      for (const auto &git : geometry.getSensorMap()) {
        // stop is sensor not in the selected arm
        CTPPSDetId senId(git.first);
        unsigned int senDecUnit = senId.arm() * 100 + senId.station() * 10;
        if (senId.rp() > 2)
          senDecUnit += 1;

        if (senDecUnit != decUnitId)
          continue;

        // fill constraint for strip sensors
        if (senId.subdetId() == CTPPSDetId::sdTrackingStrip) {
          signed int qIndex = getQuantityIndex(qcShR2, git.first);
          if (qIndex < 0)
            throw cms::Exception("AlignmentTask::BuildStandardConstraints")
                << "Cannot get quantity index for class " << qcShR2 << " and sensor id " << git.first << ".";

          // determine weight
          const double weight = 1. / planesPerPot[senId.rpId()];

          // set constraint coefficients
          ac_X.coef[qcShR2][qIndex] = git.second.getDirectionData(2).dx * weight;
          ac_Y.coef[qcShR2][qIndex] = git.second.getDirectionData(2).dy * weight;
        }

        // fill constraint for pixel sensors
        if (senId.subdetId() == CTPPSDetId::sdTrackingPixel) {
          // get quantity indeces
          const signed int qIndex1 = getQuantityIndex(qcShR1, git.first);
          if (qIndex1 < 0)
            throw cms::Exception("AlignmentTask::BuildStandardConstraints")
                << "Cannot get quantity index for class " << qcShR1 << " and sensor id " << git.first << ".";

          const signed int qIndex2 = getQuantityIndex(qcShR2, git.first);
          if (qIndex2 < 0)
            throw cms::Exception("AlignmentTask::BuildStandardConstraints")
                << "Cannot get quantity index for class " << qcShR2 << " and sensor id " << git.first << ".";

          // determine weight (two constraints per plane)
          const double weight = 0.5 / planesPerPot[senId.rpId()];

          // get geometry
          const double d1x = git.second.getDirectionData(1).dx;
          const double d1y = git.second.getDirectionData(1).dy;
          const double d2x = git.second.getDirectionData(2).dx;
          const double d2y = git.second.getDirectionData(2).dy;

          // calculate coefficients, by inversion of this matrix relation
          //  [ s1 ] = [ d1x  d1y ] * [ de x ]
          //  [ s2 ]   [ d2x  d2y ]   [ de y ]
          const double D = d1x * d2y - d1y * d2x;
          const double coef_x_s1 = +d2y / D;
          const double coef_y_s1 = -d2x / D;
          const double coef_x_s2 = -d1y / D;
          const double coef_y_s2 = +d1x / D;

          // set constraint coefficients
          ac_X.coef[qcShR1][qIndex1] = coef_x_s1 * weight;
          ac_Y.coef[qcShR1][qIndex1] = coef_y_s1 * weight;
          ac_X.coef[qcShR2][qIndex2] = coef_x_s2 * weight;
          ac_Y.coef[qcShR2][qIndex2] = coef_y_s2 * weight;
        }
      }

      // add constraints
      constraints.push_back(ac_X);
      constraints.push_back(ac_Y);
    }
  }

  // RotZ constraints
  if (resolveRotZ) {
    for (const auto &decUnitId : decUnitIds) {
      // prepare empty constraints
      AlignmentConstraint ac;
      for (unsigned int i = 0; i < quantityClasses.size(); i++) {
        ac.coef[quantityClasses[i]].ResizeTo(quantitiesOfClass(quantityClasses[i]));
        ac.coef[quantityClasses[i]].Zero();
      }
      ac.val = 0;

      char buf[50];
      sprintf(buf, "RotZ: unit %u, Mean=0", decUnitId);
      ac.name = buf;

      // traverse geometry
      for (const auto &git : geometry.getSensorMap()) {
        // stop is sensor not in the selected arm
        CTPPSDetId senId(git.first);
        unsigned int senDecUnit = senId.arm() * 100 + senId.station() * 10;
        if (senId.rp() > 2)
          senDecUnit += 1;

        if (senDecUnit != decUnitId)
          continue;

        // determine weight
        const double weight = 1. / planesPerPot[senId.rpId()];

        // set coefficient
        signed int qIndex = getQuantityIndex(qcRotZ, git.first);
        ac.coef[qcRotZ][qIndex] = weight;
      }

      constraints.push_back(ac);
    }
  }

  if (resolveRotZ && oneRotZPerPot)
    buildOneRotZPerPotConstraints(constraints);

  if (resolveRotZ && useEqualMeanUMeanVRotZConstraints)
    buildEqualMeanUMeanVRotZConstraints(constraints);
}

getMeasurementIndex()

signed int AlignmentTask::getMeasurementIndex	(	QuantityClass	cl,
		unsigned int	detId,
		unsigned int	dirIdx
	)		const

returns measurement index (if non-existent, returns -1)

Definition at line 185 of file AlignmentTask.cc.

References haddnano::cl, hcalRecHitTable_cff::detId, ALPAKA_ACCELERATOR_NAMESPACE::vertexFinder::it, and mapMeasurementIndeces.

Referenced by JanAlignmentAlgorithm::feed().

                                                                                                             {
  auto clit = mapMeasurementIndeces.find(cl);
  if (clit == mapMeasurementIndeces.end())
    return -1;

  auto it = clit->second.find({detId, dirIdx});
  if (it == clit->second.end())
    return -1;

  return it->second;
}

getQuantityIndex()

signed int AlignmentTask::getQuantityIndex	(	QuantityClass	cl,
		unsigned int	detId
	)		const

returns measurement index (if non-existent, returns -1)

Definition at line 199 of file AlignmentTask.cc.

References haddnano::cl, hcalRecHitTable_cff::detId, ALPAKA_ACCELERATOR_NAMESPACE::vertexFinder::it, and mapQuantityIndeces.

Referenced by buildEqualMeanUMeanVRotZConstraints(), buildFixedDetectorsConstraints(), buildOneRotZPerPotConstraints(), buildStandardConstraints(), JanAlignmentAlgorithm::feed(), IdealResult::solve(), and JanAlignmentAlgorithm::solve().

                                                                                     {
  auto clit = mapQuantityIndeces.find(cl);
  if (clit == mapQuantityIndeces.end())
    return -1;

  auto it = clit->second.find(detId);
  if (it == clit->second.end())
    return -1;

  return it->second;
}

measurementsOfClass()

unsigned int AlignmentTask::measurementsOfClass

(

QuantityClass

qc

)

const

returns the number of quantities of the given class

Definition at line 230 of file AlignmentTask.cc.

References ALPAKA_ACCELERATOR_NAMESPACE::vertexFinder::it, and mapMeasurementIndeces.

                                                                      {
  auto it = mapMeasurementIndeces.find(qc);
  if (it == mapMeasurementIndeces.end())
    return 0;
  else
    return it->second.size();
}

quantitiesOfClass()

unsigned int AlignmentTask::quantitiesOfClass

(

QuantityClass

qc

)

const

returns the number of quantities of the given class

Definition at line 240 of file AlignmentTask.cc.

References ALPAKA_ACCELERATOR_NAMESPACE::vertexFinder::it, and mapQuantityIndeces.

Referenced by JanAlignmentAlgorithm::begin(), buildEqualMeanUMeanVRotZConstraints(), buildFixedDetectorsConstraints(), buildOneRotZPerPotConstraints(), buildStandardConstraints(), and IdealResult::solve().

                                                                    {
  auto it = mapQuantityIndeces.find(qc);
  if (it == mapQuantityIndeces.end())
    return 0;
  else
    return it->second.size();
}

quantityClassTag()

string AlignmentTask::quantityClassTag

(

QuantityClass

qc

)

const

returns a string tag for the given quantity class

Definition at line 213 of file AlignmentTask.cc.

References Exception, qcRotZ, qcShR1, qcShR2, and qcShZ.

Referenced by JanAlignmentAlgorithm::begin(), buildFixedDetectorsConstraints(), and StraightTrackAlignment::printQuantitiesLine().

                                                             {
  switch (qc) {
    case qcShR1:
      return "ShR1";
    case qcShR2:
      return "ShR2";
    case qcShZ:
      return "ShZ";
    case qcRotZ:
      return "RotZ";
  }

  throw cms::Exception("PPS") << "Unknown quantity class " << qc << ".";
}

Member Data Documentation

fixedDetectorsConstraints

edm::ParameterSet AlignmentTask::fixedDetectorsConstraints

fixed detectors constraints from config file

Definition at line 40 of file AlignmentTask.h.

Referenced by buildFixedDetectorsConstraints().

geometry

AlignmentGeometry AlignmentTask::geometry

the geometry for this task

Definition at line 48 of file AlignmentTask.h.

Referenced by JanAlignmentAlgorithm::analyze(), StraightTrackAlignment::begin(), JanAlignmentAlgorithm::begin(), JanAlignmentAlgorithm::feed(), StraightTrackAlignment::finish(), StraightTrackAlignment::processEvent(), IdealResult::solve(), JanAlignmentAlgorithm::solve(), and StraightTrackAlignment::updateDiagnosticHistograms().

mapMeasurementIndeces

std::map<QuantityClass, std::map<DetIdDirIdxPair, unsigned int> > AlignmentTask::mapMeasurementIndeces

for each quantity class contains mapping (detector id, direction) –> measurement index

Definition at line 90 of file AlignmentTask.h.

Referenced by buildIndexMaps(), getMeasurementIndex(), and measurementsOfClass().

mapQuantityIndeces

std::map<QuantityClass, std::map<unsigned int, unsigned int> > AlignmentTask::mapQuantityIndeces

for each quantity class contains mapping detector id –> quantity index

Definition at line 93 of file AlignmentTask.h.

Referenced by buildIndexMaps(), getQuantityIndex(), and quantitiesOfClass().

oneRotZPerPot

bool AlignmentTask::oneRotZPerPot

whether to resolve only 1 rot_z per RP

Definition at line 34 of file AlignmentTask.h.

Referenced by buildFixedDetectorsConstraints(), and buildStandardConstraints().

quantityClasses

std::vector<QuantityClass> AlignmentTask::quantityClasses

list of quantity classes to be optimized

Definition at line 68 of file AlignmentTask.h.

Referenced by AlignmentTask(), JanAlignmentAlgorithm::analyze(), JanAlignmentAlgorithm::begin(), buildEqualMeanUMeanVRotZConstraints(), buildFixedDetectorsConstraints(), buildIndexMaps(), buildOneRotZPerPotConstraints(), buildStandardConstraints(), JanAlignmentAlgorithm::end(), JanAlignmentAlgorithm::feed(), StraightTrackAlignment::finish(), StraightTrackAlignment::printAlgorithmsLine(), StraightTrackAlignment::printLineSeparator(), StraightTrackAlignment::printQuantitiesLine(), JanAlignmentAlgorithm::saveDiagnostics(), IdealResult::solve(), and JanAlignmentAlgorithm::solve().

resolveRotZ

bool AlignmentTask::resolveRotZ

whether to resolve detector rotations around z

Definition at line 31 of file AlignmentTask.h.

Referenced by AlignmentTask(), buildStandardConstraints(), and IdealResult::solve().

resolveShR

bool AlignmentTask::resolveShR

whether to resolve detector shifts in readout direction(s)

Definition at line 25 of file AlignmentTask.h.

Referenced by AlignmentTask(), buildStandardConstraints(), and IdealResult::solve().

resolveShZ

bool AlignmentTask::resolveShZ

whether to resolve detector shifts in z

Definition at line 28 of file AlignmentTask.h.

Referenced by AlignmentTask().

standardConstraints

edm::ParameterSet AlignmentTask::standardConstraints

settings of "standard" constraints from config file

Definition at line 43 of file AlignmentTask.h.

Referenced by buildStandardConstraints().

useEqualMeanUMeanVRotZConstraints

bool AlignmentTask::useEqualMeanUMeanVRotZConstraints

whether to apply the constraint mean U = mean V RotZ for strips ("standard" set of constraints only)

Definition at line 37 of file AlignmentTask.h.

Referenced by buildStandardConstraints().