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/** \file BowedSurfaceAlignmentParameters.cc
*
* Version : $Revision: 1.14 $
* last update: $Date: 2008/09/02 15:08:12 $
* by : $Author: flucke $
*/
#include "FWCore/MessageLogger/interface/MessageLogger.h"
#include "FWCore/Utilities/interface/Exception.h"
#include "TrackingTools/TrajectoryState/interface/TrajectoryStateOnSurface.h"
#include "Alignment/CommonAlignment/interface/Alignable.h"
#include "Alignment/CommonAlignment/interface/AlignableDetOrUnitPtr.h"
#include "Alignment/CommonAlignmentParametrization/interface/AlignmentParametersFactory.h"
#include "Alignment/CommonAlignmentParametrization/interface/KarimakiAlignmentDerivatives.h"
#include "CondFormats/Alignment/interface/Definitions.h"
#include "Geometry/CommonTopologies/interface/BowedSurfaceDeformation.h"
// This class's header
#include "Alignment/CommonAlignmentParametrization/interface/BowedSurfaceAlignmentParameters.h"
#include <iostream>
//_________________________________________________________________________________________________
BowedSurfaceAlignmentParameters::BowedSurfaceAlignmentParameters(Alignable *ali)
: AlignmentParameters(ali, AlgebraicVector(N_PARAM), AlgebraicSymMatrix(N_PARAM, 0)) {}
//_________________________________________________________________________________________________
BowedSurfaceAlignmentParameters ::BowedSurfaceAlignmentParameters(Alignable *alignable,
const AlgebraicVector ¶meters,
const AlgebraicSymMatrix &covMatrix)
: AlignmentParameters(alignable, parameters, covMatrix) {
if (parameters.num_row() != N_PARAM) {
throw cms::Exception("BadParameters") << "in BowedSurfaceAlignmentParameters(): " << parameters.num_row()
<< " instead of " << N_PARAM << " parameters.";
}
}
//_________________________________________________________________________________________________
BowedSurfaceAlignmentParameters ::BowedSurfaceAlignmentParameters(Alignable *alignable,
const AlgebraicVector ¶meters,
const AlgebraicSymMatrix &covMatrix,
const std::vector<bool> &selection)
: AlignmentParameters(alignable, parameters, covMatrix, selection) {
if (parameters.num_row() != N_PARAM) {
throw cms::Exception("BadParameters") << "in BowedSurfaceAlignmentParameters(): " << parameters.num_row()
<< " instead of " << N_PARAM << " parameters.";
}
}
//_________________________________________________________________________________________________
BowedSurfaceAlignmentParameters *BowedSurfaceAlignmentParameters::clone(const AlgebraicVector ¶meters,
const AlgebraicSymMatrix &covMatrix) const {
BowedSurfaceAlignmentParameters *rbap =
new BowedSurfaceAlignmentParameters(this->alignable(), parameters, covMatrix, selector());
if (this->userVariables())
rbap->setUserVariables(this->userVariables()->clone());
rbap->setValid(this->isValid());
return rbap;
}
//_________________________________________________________________________________________________
BowedSurfaceAlignmentParameters *BowedSurfaceAlignmentParameters::cloneFromSelected(
const AlgebraicVector ¶meters, const AlgebraicSymMatrix &covMatrix) const {
return this->clone(this->expandVector(parameters, this->selector()),
this->expandSymMatrix(covMatrix, this->selector()));
}
//_________________________________________________________________________________________________
AlgebraicMatrix BowedSurfaceAlignmentParameters::derivatives(const TrajectoryStateOnSurface &tsos,
const AlignableDetOrUnitPtr &alidet) const {
const Alignable *ali = this->alignable(); // Alignable of these parameters
if (ali == alidet) {
const AlignableSurface &surf = ali->surface();
return BowedDerivs()(tsos, surf.width(), surf.length());
} else {
// We could give this a meaning by applying frame-to-frame derivatives
// to the first six parameters (be careful that alpha and beta changed
// their scale and switched their place compared to RigidBody!) and
// keep the remaining three untouched in local meaning.
// In this way we could do higher level alignment and determine 'average'
// surface structures for the components.
throw cms::Exception("MisMatch") << "BowedSurfaceAlignmentParameters::derivatives: The hit alignable "
"must match the "
<< "aligned one (i.e. bowed surface parameters cannot be used for "
"composed alignables)\n";
return AlgebraicMatrix(N_PARAM, 2); // please compiler
}
}
//_________________________________________________________________________________________________
align::LocalVector BowedSurfaceAlignmentParameters::translation() const {
// align::LocalVector uses double while LocalVector uses float only!
const AlgebraicVector ¶ms = theData->parameters();
return align::LocalVector(params[dx], params[dy], params[dz]);
}
//_________________________________________________________________________________________________
align::EulerAngles BowedSurfaceAlignmentParameters::rotation() const {
const AlgebraicVector ¶ms = theData->parameters();
const Alignable *alignable = this->alignable();
const AlignableSurface &surface = alignable->surface();
align::EulerAngles eulerAngles(3);
// Note that dslopeX <-> -beta and dslopeY <-> alpha:
// Should we use atan of these values? Anyway it is small...
eulerAngles[0] = params[dslopeY] * 2. / surface.length();
eulerAngles[1] = -params[dslopeX] * 2. / surface.width();
const double aScale = BowedDerivs::gammaScale(surface.width(), surface.length());
eulerAngles[2] = params[drotZ] / aScale;
return eulerAngles;
}
//_________________________________________________________________________________________________
void BowedSurfaceAlignmentParameters::apply() {
Alignable *alignable = this->alignable();
if (!alignable) {
throw cms::Exception("BadParameters") << "BowedSurfaceAlignmentParameters::apply: parameters without "
"alignable";
}
// Get translation in local frame, transform to global and apply:
alignable->move(alignable->surface().toGlobal(this->translation()));
// Rotation in local frame
const align::EulerAngles angles(this->rotation());
// original code:
// alignable->rotateInLocalFrame( align::toMatrix(angles) );
// correct for rounding errors:
align::RotationType rot(alignable->surface().toGlobal(align::toMatrix(angles)));
align::rectify(rot);
alignable->rotateInGlobalFrame(rot);
// only update the surface deformations if they were selected for alignment
if (selector()[dsagittaX] || selector()[dsagittaXY] || selector()[dsagittaY]) {
const auto ¶ms = theData->parameters();
const BowedSurfaceDeformation deform{params[dsagittaX], params[dsagittaXY], params[dsagittaY]};
// FIXME: true to propagate down?
// Needed for hierarchy with common deformation parameter,
// but that is not possible now anyway.
alignable->addSurfaceDeformation(&deform, false);
}
}
//_________________________________________________________________________________________________
int BowedSurfaceAlignmentParameters::type() const { return AlignmentParametersFactory::kBowedSurface; }
//_________________________________________________________________________________________________
void BowedSurfaceAlignmentParameters::print() const {
std::cout << "Contents of BowedSurfaceAlignmentParameters:"
<< "\nParameters: " << theData->parameters() << "\nCovariance: " << theData->covariance() << std::endl;
}
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