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/** \file FrameToFrameDerivative.cc
*
* $Date: 2007/03/12 21:28:48 $
* $Revision: 1.5 $
*/
#include "Alignment/CommonAlignmentParametrization/interface/FrameToFrameDerivative.h"
#include "Alignment/CommonAlignment/interface/Alignable.h"
// already in header: #include
// "DataFormats/Math/interface/AlgebraicROOTObjects.h"
#include "DataFormats/CLHEP/interface/Migration.h"
//__________________________________________________________________________________________________
AlgebraicMatrix FrameToFrameDerivative::frameToFrameDerivative(const Alignable *object,
const Alignable *composedObject) const {
return getDerivative(object->globalRotation(),
composedObject->globalRotation(),
composedObject->globalPosition() - object->globalPosition());
}
//__________________________________________________________________________________________________
AlgebraicMatrix66 FrameToFrameDerivative::getDerivative(const align::RotationType &objectRot,
const align::RotationType &composeRot,
const align::GlobalPoint &objectPos,
const align::GlobalPoint &composePos) const {
return asSMatrix<6, 6>(this->getDerivative(objectRot, composeRot, composePos - objectPos));
}
//__________________________________________________________________________________________________
AlgebraicMatrix FrameToFrameDerivative::getDerivative(const align::RotationType &objectRot,
const align::RotationType &composeRot,
const align::GlobalVector &posVec) const {
AlgebraicMatrix rotDet = transform(objectRot);
AlgebraicMatrix rotCompO = transform(composeRot);
AlgebraicVector diffVec(3);
diffVec(1) = posVec.x();
diffVec(2) = posVec.y();
diffVec(3) = posVec.z();
AlgebraicMatrix derivative(6, 6);
AlgebraicMatrix derivAA(3, 3);
AlgebraicMatrix derivAB(3, 3);
AlgebraicMatrix derivBB(3, 3);
derivAA = derivativePosPos(rotDet, rotCompO);
derivAB = derivativePosRot(rotDet, rotCompO, diffVec);
derivBB = derivativeRotRot(rotDet, rotCompO);
derivative[0][0] = derivAA[0][0];
derivative[0][1] = derivAA[0][1];
derivative[0][2] = derivAA[0][2];
derivative[0][3] = derivAB[0][0];
derivative[0][4] = derivAB[0][1];
derivative[0][5] = derivAB[0][2];
derivative[1][0] = derivAA[1][0];
derivative[1][1] = derivAA[1][1];
derivative[1][2] = derivAA[1][2];
derivative[1][3] = derivAB[1][0];
derivative[1][4] = derivAB[1][1];
derivative[1][5] = derivAB[1][2];
derivative[2][0] = derivAA[2][0];
derivative[2][1] = derivAA[2][1];
derivative[2][2] = derivAA[2][2];
derivative[2][3] = derivAB[2][0];
derivative[2][4] = derivAB[2][1];
derivative[2][5] = derivAB[2][2];
derivative[3][0] = 0;
derivative[3][1] = 0;
derivative[3][2] = 0;
derivative[3][3] = derivBB[0][0];
derivative[3][4] = derivBB[0][1];
derivative[3][5] = derivBB[0][2];
derivative[4][0] = 0;
derivative[4][1] = 0;
derivative[4][2] = 0;
derivative[4][3] = derivBB[1][0];
derivative[4][4] = derivBB[1][1];
derivative[4][5] = derivBB[1][2];
derivative[5][0] = 0;
derivative[5][1] = 0;
derivative[5][2] = 0;
derivative[5][3] = derivBB[2][0];
derivative[5][4] = derivBB[2][1];
derivative[5][5] = derivBB[2][2];
return derivative;
}
//__________________________________________________________________________________________________
AlgebraicMatrix FrameToFrameDerivative::derivativePosPos(const AlgebraicMatrix &RotDet,
const AlgebraicMatrix &RotRot) const {
return RotDet * RotRot.T();
}
//__________________________________________________________________________________________________
AlgebraicMatrix FrameToFrameDerivative::derivativePosRot(const AlgebraicMatrix &RotDet,
const AlgebraicMatrix &RotRot,
const AlgebraicVector &S) const {
AlgebraicVector dEulerA(3);
AlgebraicVector dEulerB(3);
AlgebraicVector dEulerC(3);
AlgebraicMatrix RotDa(3, 3);
AlgebraicMatrix RotDb(3, 3);
AlgebraicMatrix RotDc(3, 3);
RotDa[1][2] = 1;
RotDa[2][1] = -1;
RotDb[0][2] = -1;
RotDb[2][0] = 1; // New beta sign
RotDc[0][1] = 1;
RotDc[1][0] = -1;
dEulerA = RotDet * (RotRot.T() * RotDa * RotRot * S);
dEulerB = RotDet * (RotRot.T() * RotDb * RotRot * S);
dEulerC = RotDet * (RotRot.T() * RotDc * RotRot * S);
AlgebraicMatrix eulerDeriv(3, 3);
eulerDeriv[0][0] = dEulerA[0];
eulerDeriv[1][0] = dEulerA[1];
eulerDeriv[2][0] = dEulerA[2];
eulerDeriv[0][1] = dEulerB[0];
eulerDeriv[1][1] = dEulerB[1];
eulerDeriv[2][1] = dEulerB[2];
eulerDeriv[0][2] = dEulerC[0];
eulerDeriv[1][2] = dEulerC[1];
eulerDeriv[2][2] = dEulerC[2];
return eulerDeriv;
}
//__________________________________________________________________________________________________
AlgebraicMatrix FrameToFrameDerivative::derivativeRotRot(const AlgebraicMatrix &RotDet,
const AlgebraicMatrix &RotRot) const {
AlgebraicVector dEulerA(3);
AlgebraicVector dEulerB(3);
AlgebraicVector dEulerC(3);
AlgebraicMatrix RotDa(3, 3);
AlgebraicMatrix RotDb(3, 3);
AlgebraicMatrix RotDc(3, 3);
RotDa[1][2] = 1;
RotDa[2][1] = -1;
RotDb[0][2] = -1;
RotDb[2][0] = 1; // New beta sign
RotDc[0][1] = 1;
RotDc[1][0] = -1;
dEulerA = linearEulerAngles(RotDet * RotRot.T() * RotDa * RotRot * RotDet.T());
dEulerB = linearEulerAngles(RotDet * RotRot.T() * RotDb * RotRot * RotDet.T());
dEulerC = linearEulerAngles(RotDet * RotRot.T() * RotDc * RotRot * RotDet.T());
AlgebraicMatrix eulerDeriv(3, 3);
eulerDeriv[0][0] = dEulerA[0];
eulerDeriv[1][0] = dEulerA[1];
eulerDeriv[2][0] = dEulerA[2];
eulerDeriv[0][1] = dEulerB[0];
eulerDeriv[1][1] = dEulerB[1];
eulerDeriv[2][1] = dEulerB[2];
eulerDeriv[0][2] = dEulerC[0];
eulerDeriv[1][2] = dEulerC[1];
eulerDeriv[2][2] = dEulerC[2];
return eulerDeriv;
}
//__________________________________________________________________________________________________
AlgebraicVector FrameToFrameDerivative::linearEulerAngles(const AlgebraicMatrix &rotDelta) const {
AlgebraicMatrix eulerAB(3, 3);
AlgebraicVector aB(3);
eulerAB[0][1] = 1;
eulerAB[1][0] = -1; // New beta sign
aB[2] = 1;
AlgebraicMatrix eulerC(3, 3);
AlgebraicVector C(3);
eulerC[2][0] = 1;
C[1] = 1;
AlgebraicVector eulerAngles(3);
eulerAngles = eulerAB * rotDelta * aB + eulerC * rotDelta * C;
return eulerAngles;
}
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