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#include <CSCChamberFitter.h>
Public Member Functions | |
| CSCChamberFitter (const edm::ParameterSet &iConfig, std::vector< CSCPairResidualsConstraint * > &residualsConstraints) | |
| bool | fit (std::vector< CSCAlignmentCorrections * > &corrections) const |
| void | radiusCorrection (AlignableNavigator *alignableNavigator, AlignmentParameterStore *alignmentParameterStore, bool combineME11) const |
| virtual | ~CSCChamberFitter () |
Protected Member Functions | |
| long | alignableId (std::string alignable) const |
| double | chi2 (AlgebraicVector A, double lambda) const |
| double | hessian (int k, int l, double lambda) const |
| int | index (std::string alignable) const |
| bool | isFrame (int i) const |
| double | lhsVector (int k) const |
| void | walk (std::map< int, bool > &touched, int alignable) const |
Protected Attributes | |
| std::vector< std::string > | m_alignables |
| std::vector< CSCPairConstraint * > | m_constraints |
| int | m_fixed |
| std::vector< int > | m_frames |
| std::string | m_name |
| CSCChamberFitter::CSCChamberFitter | ( | const edm::ParameterSet & | iConfig, |
| std::vector< CSCPairResidualsConstraint * > & | residualsConstraints | ||
| ) |
Definition at line 13 of file CSCChamberFitter.cc.
References alignableId(), CSCDetId::chamber(), createBeamHaloJobs::constraints, CSCDetId::endcap(), error, Exception, edm::ParameterSet::getParameter(), i, index(), j, m_alignables, m_constraints, m_fixed, m_frames, m_name, CSCDetId::ring(), CSCDetId::station(), relativeConstraints::value, and walk().
{
m_name = iConfig.getParameter<std::string>("name");
m_alignables = iConfig.getParameter<std::vector<std::string> >("alignables");
if (m_alignables.size() == 0) {
throw cms::Exception("BadConfig") << "Fitter " << m_name << " has no alignables!" << std::endl;
}
int i = 0;
for (std::vector<std::string>::const_iterator alignable = m_alignables.begin(); alignable != m_alignables.end(); ++alignable) {
if (alignableId(*alignable) == -1) m_frames.push_back(i);
i++;
}
m_fixed = -1;
std::string fixed = iConfig.getParameter<std::string>("fixed");
if (fixed != "") {
int i = 0;
for (std::vector<std::string>::const_iterator alignable = m_alignables.begin(); alignable != m_alignables.end(); ++alignable) {
if (fixed == *alignable) {
m_fixed = i;
}
i++;
}
if (m_fixed == -1) throw cms::Exception("BadConfig") << "Cannot fix unrecognized alignable " << fixed << std::endl;
}
int numConstraints = 0;
std::vector<edm::ParameterSet> constraints = iConfig.getParameter<std::vector<edm::ParameterSet> >("constraints");
for (std::vector<edm::ParameterSet>::const_iterator constraint = constraints.begin(); constraint != constraints.end(); ++constraint) {
int i = index(constraint->getParameter<std::string>("i"));
int j = index(constraint->getParameter<std::string>("j"));
double value = constraint->getParameter<double>("value");
double error = constraint->getParameter<double>("error");
if (i < 0) throw cms::Exception("BadConfig") << "Unrecognized alignable " << constraint->getParameter<std::string>("i") << " in constraint " << numConstraints << " of fitter " << m_name << std::endl;
if (j < 0) throw cms::Exception("BadConfig") << "Unrecognized alignable " << constraint->getParameter<std::string>("j") << " in constraint " << numConstraints << " of fitter " << m_name << std::endl;
if (error <= 0.) throw cms::Exception("BadConfig") << "Non-positive uncertainty in constraint " << numConstraints << " of fitter " << m_name << std::endl;
if (i == j) throw cms::Exception("BadConfig") << "Self-connection from " << constraint->getParameter<std::string>("i") << " to " << constraint->getParameter<std::string>("j") << " is not allowed in constraint " << numConstraints << " of fitter " << m_name << std::endl;
m_constraints.push_back(new CSCPairConstraint(i, j, value, error));
numConstraints++;
}
// insert CSCPairResidualsConstraints
for (unsigned int i = 0; i < m_alignables.size(); i++) {
std::string alignable_i = m_alignables[i];
long id_i = alignableId(alignable_i);
if (id_i != -1) {
CSCDetId cscid_i(id_i);
for (unsigned int j = 0; j < m_alignables.size(); j++) {
std::string alignable_j = m_alignables[j];
long id_j = alignableId(alignable_j);
if (i != j && id_j != -1) {
CSCDetId cscid_j(id_j);
if (!(cscid_i.station() == 1 && cscid_i.ring() == 3 && cscid_j.station() == 1 && cscid_j.ring() == 3)) {
int next_chamber = cscid_i.chamber() + 1;
if (cscid_i.station() > 1 && cscid_i.ring() == 1 && next_chamber == 19) next_chamber = 1;
else if (!(cscid_i.station() > 1 && cscid_i.ring() == 1) && next_chamber == 37) next_chamber = 1;
if (cscid_i.endcap() == cscid_j.endcap() && cscid_i.station() == cscid_j.station() && cscid_i.ring() == cscid_j.ring() && next_chamber == cscid_j.chamber()) {
CSCPairResidualsConstraint *residualsConstraint = new CSCPairResidualsConstraint(residualsConstraints.size(), i, j, cscid_i, cscid_j);
m_constraints.push_back(residualsConstraint);
residualsConstraints.push_back(residualsConstraint);
numConstraints++;
}
}
}
}
}
}
std::map<int,bool> touched;
for (unsigned int i = 0; i < m_alignables.size(); i++) touched[i] = false;
walk(touched, 0);
for (unsigned int i = 0; i < m_alignables.size(); i++) {
if (!touched[i]) throw cms::Exception("BadConfig") << "Fitter " << m_name << " is not a connected graph (no way to get to " << m_alignables[i] << " from " << m_alignables[0] << ", for instance)" << std::endl;
}
}
| virtual CSCChamberFitter::~CSCChamberFitter | ( | ) | [inline, virtual] |
Definition at line 27 of file CSCChamberFitter.h.
{};
| long CSCChamberFitter::alignableId | ( | std::string | alignable | ) | const [protected] |
Definition at line 115 of file CSCChamberFitter.cc.
References CSCDetId, Reference_intrackfit_cff::endcap, relativeConstraints::ring, and relativeConstraints::station.
Referenced by CSCChamberFitter(), and fit().
{
if (alignable.size() != 9) return -1;
if (alignable[0] == 'M' && alignable[1] == 'E') {
int endcap = -1;
if (alignable[2] == '+') endcap = 1;
else if (alignable[2] == '-') endcap = 2;
if (endcap != -1) {
int station = -1;
if (alignable[3] == '1') station = 1;
else if (alignable[3] == '2') station = 2;
else if (alignable[3] == '3') station = 3;
else if (alignable[3] == '4') station = 4;
if (alignable[4] == '/' && station != -1) {
int ring = -1;
if (alignable[5] == '1') ring = 1;
else if (alignable[5] == '2') ring = 2;
else if (alignable[5] == '3') ring = 3;
else if (alignable[5] == '4') ring = 4;
if (station > 1 && ring > 2) return -1;
if (alignable[6] == '/' && ring != -1) {
int chamber = -1;
if (alignable[7] == '0' && alignable[8] == '1') chamber = 1;
else if (alignable[7] == '0' && alignable[8] == '2') chamber = 2;
else if (alignable[7] == '0' && alignable[8] == '3') chamber = 3;
else if (alignable[7] == '0' && alignable[8] == '4') chamber = 4;
else if (alignable[7] == '0' && alignable[8] == '5') chamber = 5;
else if (alignable[7] == '0' && alignable[8] == '6') chamber = 6;
else if (alignable[7] == '0' && alignable[8] == '7') chamber = 7;
else if (alignable[7] == '0' && alignable[8] == '8') chamber = 8;
else if (alignable[7] == '0' && alignable[8] == '9') chamber = 9;
else if (alignable[7] == '1' && alignable[8] == '0') chamber = 10;
else if (alignable[7] == '1' && alignable[8] == '1') chamber = 11;
else if (alignable[7] == '1' && alignable[8] == '2') chamber = 12;
else if (alignable[7] == '1' && alignable[8] == '3') chamber = 13;
else if (alignable[7] == '1' && alignable[8] == '4') chamber = 14;
else if (alignable[7] == '1' && alignable[8] == '5') chamber = 15;
else if (alignable[7] == '1' && alignable[8] == '6') chamber = 16;
else if (alignable[7] == '1' && alignable[8] == '7') chamber = 17;
else if (alignable[7] == '1' && alignable[8] == '8') chamber = 18;
else if (alignable[7] == '1' && alignable[8] == '9') chamber = 19;
else if (alignable[7] == '2' && alignable[8] == '0') chamber = 20;
else if (alignable[7] == '2' && alignable[8] == '1') chamber = 21;
else if (alignable[7] == '2' && alignable[8] == '2') chamber = 22;
else if (alignable[7] == '2' && alignable[8] == '3') chamber = 23;
else if (alignable[7] == '2' && alignable[8] == '4') chamber = 24;
else if (alignable[7] == '2' && alignable[8] == '5') chamber = 25;
else if (alignable[7] == '2' && alignable[8] == '6') chamber = 26;
else if (alignable[7] == '2' && alignable[8] == '7') chamber = 27;
else if (alignable[7] == '2' && alignable[8] == '8') chamber = 28;
else if (alignable[7] == '2' && alignable[8] == '9') chamber = 29;
else if (alignable[7] == '3' && alignable[8] == '0') chamber = 30;
else if (alignable[7] == '3' && alignable[8] == '1') chamber = 31;
else if (alignable[7] == '3' && alignable[8] == '2') chamber = 32;
else if (alignable[7] == '3' && alignable[8] == '3') chamber = 33;
else if (alignable[7] == '3' && alignable[8] == '4') chamber = 34;
else if (alignable[7] == '3' && alignable[8] == '5') chamber = 35;
else if (alignable[7] == '3' && alignable[8] == '6') chamber = 36;
if (station > 1 && ring == 1 && chamber > 18) return -1;
if (chamber != -1) {
return CSCDetId(endcap, station, ring, chamber, 0).rawId();
}
}
}
}
}
return -1;
}
| double CSCChamberFitter::chi2 | ( | AlgebraicVector | A, |
| double | lambda | ||
| ) | const [protected] |
Definition at line 197 of file CSCChamberFitter.cc.
References i, isFrame(), m_alignables, m_constraints, m_fixed, funct::pow(), and alignCSCRings::s.
Referenced by fit().
{
double sumFixed = 0.;
if (m_fixed == -1) {
for (unsigned int i = 0; i < m_alignables.size(); i++) {
if (!isFrame(i)) {
sumFixed += A[i];
}
}
}
else {
sumFixed = A[m_fixed];
}
double s = lambda * sumFixed*sumFixed;
for (std::vector<CSCPairConstraint*>::const_iterator constraint = m_constraints.begin(); constraint != m_constraints.end(); ++constraint) {
if ((*constraint)->valid()) {
s += pow((*constraint)->value() - A[(*constraint)->i()] + A[(*constraint)->j()], 2)/(*constraint)->error()/(*constraint)->error();
}
}
return s;
}
| bool CSCChamberFitter::fit | ( | std::vector< CSCAlignmentCorrections * > & | corrections | ) | const |
Definition at line 254 of file CSCChamberFitter.cc.
References funct::A, alignableId(), chi2(), CSCDetId, hessian(), i, infinity, CSCAlignmentCorrections::insertCorrection(), CSCAlignmentCorrections::insertMode(), CSCAlignmentCorrections::insertResidual(), isFrame(), j, gen::k, prof2calltree::l, lhsVector(), m_alignables, m_constraints, m_name, and mathSSE::sqrt().
{
double lambda = 1./infinity/infinity;
AlgebraicVector A(m_alignables.size());
AlgebraicVector V(m_alignables.size());
AlgebraicMatrix M(m_alignables.size(), m_alignables.size());
for (unsigned int k = 0; k < m_alignables.size(); k++) {
A[k] = 0.;
V[k] = lhsVector(k);
for (unsigned int l = 0; l < m_alignables.size(); l++) {
M[k][l] = hessian(k, l, lambda);
}
}
double oldchi2 = chi2(A, lambda);
int ierr;
M.invert(ierr);
if (ierr != 0) {
edm::LogError("CSCOverlapsAlignmentAlgorithm") << "Matrix inversion failed for fitter " << m_name << " matrix is " << M << std::endl;
return false;
}
A = M * V; // that's the alignment step
CSCAlignmentCorrections *correction = new CSCAlignmentCorrections(m_name, oldchi2, chi2(A, lambda));
for (unsigned int i = 0; i < m_alignables.size(); i++) {
if (!isFrame(i)) {
correction->insertCorrection(m_alignables[i], CSCDetId(alignableId(m_alignables[i])), A[i]);
}
}
// we have to switch to a completely different linear algebrea
// package because CLHEP doesn't compute
// eigenvectors/diagonalization (?!?)
TMatrixD tmatrix(m_alignables.size(), m_alignables.size());
for (unsigned int i = 0; i < m_alignables.size(); i++) {
for (unsigned int j = 0; j < m_alignables.size(); j++) {
tmatrix[i][j] = M[i][j];
}
}
TMatrixDEigen tmatrixdeigen(tmatrix);
TMatrixD basis = tmatrixdeigen.GetEigenVectors();
TMatrixD invbasis = tmatrixdeigen.GetEigenVectors();
invbasis.Invert();
TMatrixD diagonalized = invbasis * (tmatrix * basis);
for (unsigned int i = 0; i < m_alignables.size(); i++) {
std::vector<double> coefficient;
std::vector<std::string> modename;
std::vector<long> modeid;
for (unsigned int j = 0; j < m_alignables.size(); j++) {
coefficient.push_back(invbasis[i][j]);
modename.push_back(m_alignables[j]);
modeid.push_back(alignableId(m_alignables[j]));
}
correction->insertMode(coefficient, modename, modeid, sqrt(2. * fabs(diagonalized[i][i])) * (diagonalized[i][i] >= 0. ? 1. : -1.));
}
for (std::vector<CSCPairConstraint*>::const_iterator constraint = m_constraints.begin(); constraint != m_constraints.end(); ++constraint) {
if ((*constraint)->valid()) {
double residual = (*constraint)->value() - A[(*constraint)->i()] + A[(*constraint)->j()];
correction->insertResidual(m_alignables[(*constraint)->i()], m_alignables[(*constraint)->j()], (*constraint)->value(), (*constraint)->error(), residual, residual/(*constraint)->error());
}
}
corrections.push_back(correction);
return true;
}
| double CSCChamberFitter::hessian | ( | int | k, |
| int | l, | ||
| double | lambda | ||
| ) | const [protected] |
Definition at line 232 of file CSCChamberFitter.cc.
References infinity, isFrame(), gen::k, prof2calltree::l, m_constraints, m_fixed, and alignCSCRings::s.
Referenced by fit().
{
double s = 0.;
if (m_fixed == -1) {
if (!isFrame(k) && !isFrame(l)) s += 2.*lambda;
}
else {
if (k == l && l == m_fixed) s += 2.*lambda;
}
for (std::vector<CSCPairConstraint*>::const_iterator constraint = m_constraints.begin(); constraint != m_constraints.end(); ++constraint) {
double d = 2./infinity/infinity;
if ((*constraint)->valid()) {
d = 2./(*constraint)->error()/(*constraint)->error();
}
if (k == l && ((*constraint)->i() == k || (*constraint)->j() == k)) s += d;
if (((*constraint)->i() == k && (*constraint)->j() == l) || ((*constraint)->j() == k && (*constraint)->i() == l)) s -= d;
}
return s;
}
| int CSCChamberFitter::index | ( | std::string | alignable | ) | const [protected] |
Definition at line 95 of file CSCChamberFitter.cc.
References a, i, and m_alignables.
Referenced by CSCChamberFitter().
{
int i = 0;
for (std::vector<std::string>::const_iterator a = m_alignables.begin(); a != m_alignables.end(); ++a) {
if (*a == alignable) return i;
i++;
}
return -1;
}
| bool CSCChamberFitter::isFrame | ( | int | i | ) | const [protected] |
| double CSCChamberFitter::lhsVector | ( | int | k | ) | const [protected] |
Definition at line 220 of file CSCChamberFitter.cc.
References gen::k, m_constraints, and alignCSCRings::s.
Referenced by fit().
{
double s = 0.;
for (std::vector<CSCPairConstraint*>::const_iterator constraint = m_constraints.begin(); constraint != m_constraints.end(); ++constraint) {
if ((*constraint)->valid()) {
double d = 2.*(*constraint)->value()/(*constraint)->error()/(*constraint)->error();
if ((*constraint)->i() == k) s += d;
if ((*constraint)->j() == k) s -= d;
}
}
return s;
}
| void CSCChamberFitter::radiusCorrection | ( | AlignableNavigator * | alignableNavigator, |
| AlignmentParameterStore * | alignmentParameterStore, | ||
| bool | combineME11 | ||
| ) | const |
Definition at line 328 of file CSCChamberFitter.cc.
References AlignableDetOrUnitPtr::alignable(), AlignableNavigator::alignableFromDetId(), Alignable::alignmentParameters(), AlignmentParameterStore::applyParameters(), CSCDetId::chamber(), AlignmentParameters::cloneFromSelected(), alignCSCRings::e, CSCDetId::endcap(), CSCPairResidualsConstraint::id_i(), m_constraints, M_PI, NULL, applyRadialCorrections::radial_correction, CSCPairResidualsConstraint::radius(), CSCDetId::ring(), Alignable::setAlignmentParameters(), AlignmentParameters::setValid(), CSCDetId::station(), CSCPairResidualsConstraint::valid(), and CSCPairResidualsConstraint::value().
{
double sum_phipos_residuals = 0.;
double num_valid = 0.;
double sum_radius = 0.;
double num_total = 0.;
for (std::vector<CSCPairConstraint*>::const_iterator constraint = m_constraints.begin(); constraint != m_constraints.end(); ++constraint) {
CSCPairResidualsConstraint *residualsConstraint = dynamic_cast<CSCPairResidualsConstraint*>(*constraint);
if (residualsConstraint != NULL) {
if (residualsConstraint->valid()) {
sum_phipos_residuals += residualsConstraint->value();
num_valid += 1.;
}
sum_radius += residualsConstraint->radius(true);
num_total += 1.;
}
}
if (num_valid == 0. || num_total == 0.) return;
double average_phi_residual = sum_phipos_residuals / num_valid;
double average_radius = sum_radius / num_total;
double radial_correction = average_phi_residual * average_radius * num_total / (2.*M_PI);
for (std::vector<CSCPairConstraint*>::const_iterator constraint = m_constraints.begin(); constraint != m_constraints.end(); ++constraint) {
CSCPairResidualsConstraint *residualsConstraint = dynamic_cast<CSCPairResidualsConstraint*>(*constraint);
if (residualsConstraint != NULL) {
const DetId id(residualsConstraint->id_i());
Alignable *alignable = alignableNavigator->alignableFromDetId(id).alignable();
Alignable *also = NULL;
if (combineME11 && residualsConstraint->id_i().station() == 1 && residualsConstraint->id_i().ring() == 1) {
CSCDetId alsoid(residualsConstraint->id_i().endcap(), 1, 4, residualsConstraint->id_i().chamber(), 0);
const DetId alsoid2(alsoid);
also = alignableNavigator->alignableFromDetId(alsoid2).alignable();
}
AlgebraicVector params(6);
AlgebraicSymMatrix cov(6);
params[1] = radial_correction;
cov[1][1] = 1e-6;
AlignmentParameters *parnew = alignable->alignmentParameters()->cloneFromSelected(params, cov);
alignable->setAlignmentParameters(parnew);
alignmentParameterStore->applyParameters(alignable);
alignable->alignmentParameters()->setValid(true);
if (also != NULL) {
AlignmentParameters *parnew2 = also->alignmentParameters()->cloneFromSelected(params, cov);
also->setAlignmentParameters(parnew2);
alignmentParameterStore->applyParameters(also);
also->alignmentParameters()->setValid(true);
}
}
}
}
| void CSCChamberFitter::walk | ( | std::map< int, bool > & | touched, |
| int | alignable | ||
| ) | const [protected] |
Definition at line 104 of file CSCChamberFitter.cc.
References m_constraints.
Referenced by CSCChamberFitter().
{
touched[alignable] = true;
for (std::vector<CSCPairConstraint*>::const_iterator constraint = m_constraints.begin(); constraint != m_constraints.end(); ++constraint) {
if (alignable == (*constraint)->i() || alignable == (*constraint)->j()) {
if (!touched[(*constraint)->i()]) walk(touched, (*constraint)->i());
if (!touched[(*constraint)->j()]) walk(touched, (*constraint)->j());
}
}
}
std::vector<std::string> CSCChamberFitter::m_alignables [protected] |
Definition at line 42 of file CSCChamberFitter.h.
Referenced by chi2(), CSCChamberFitter(), fit(), and index().
std::vector<CSCPairConstraint*> CSCChamberFitter::m_constraints [protected] |
Definition at line 45 of file CSCChamberFitter.h.
Referenced by chi2(), CSCChamberFitter(), fit(), hessian(), lhsVector(), radiusCorrection(), and walk().
int CSCChamberFitter::m_fixed [protected] |
Definition at line 44 of file CSCChamberFitter.h.
Referenced by chi2(), CSCChamberFitter(), and hessian().
std::vector<int> CSCChamberFitter::m_frames [protected] |
Definition at line 43 of file CSCChamberFitter.h.
Referenced by CSCChamberFitter(), and isFrame().
std::string CSCChamberFitter::m_name [protected] |
Definition at line 41 of file CSCChamberFitter.h.
Referenced by CSCChamberFitter(), and fit().
1.7.3