Jpp test-rotations-old
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Class for sphericity tensor calculations. More...
#include <JEventShapeVariables.hh>
Public Types | |
typedef JMatrix3S::eigen_values | eigen_values |
Public Member Functions | |
JSphericityTensor () | |
Default constructor. | |
JSphericityTensor (std::vector< Trk >::const_iterator __begin, std::vector< Trk >::const_iterator __end, const double r=2.0) | |
Constructor. | |
JSphericityTensor (const Evt &event, const double r=2.0) | |
Constructor. | |
const eigen_values & | getEigenValues () const |
Get eigenvalues. | |
double | getSphericity () const |
Get sphericity. | |
double | getAplanarity () const |
Get aplanarity. | |
double | getCircularity () const |
Get circularity. | |
double | getPlanarFlow () const |
Get planar flow. | |
double | getC () const |
Get C-variable. | |
double | getD () const |
Get D-variable. | |
void | invert () |
Invert matrix. | |
eigen_values | getEigenValues (const double epsilon=1e-6) const |
Get eigen values. | |
JMatrix3D & | setIdentity () |
Set to identity matrix. | |
void | set (const JMatrix3D &A) |
Set matrix. | |
JMatrix3D & | reset () |
Set matrix to the null matrix. | |
JMatrix3D & | transpose () |
Transpose. | |
JMatrix3D & | negate () |
Negate matrix. | |
JMatrix3D & | add (const JMatrix3D &A) |
Matrix addition. | |
JMatrix3D & | sub (const JMatrix3D &A) |
Matrix subtraction. | |
JMatrix3D & | mul (const double factor) |
Scale matrix. | |
JMatrix3D & | mul (const JMatrix3D &A, const JMatrix3D &B) |
Matrix multiplication. | |
JMatrix3D & | mul (const JSecond_t &object) |
Multiply with object. | |
JMatrix3D & | div (const double factor) |
Scale matrix. | |
bool | equals (const JMatrix3D &A, const double eps=std::numeric_limits< double >::min()) const |
Equality. | |
bool | isIdentity (const double eps=std::numeric_limits< double >::min()) const |
Test identity. | |
double | getDeterminant () const |
Get determinant of matrix. | |
void | transform (double &__x, double &__y, double &__z) const |
Transform. | |
Static Public Member Functions | |
static const JMatrix3D & | getInstance () |
Get reference to unique instance of this class object. | |
static const JMatrix3D & | getIdentity () |
Get reference to unique instance of this class object. | |
Public Attributes | |
double | a00 |
double | a01 |
double | a02 |
double | a10 |
double | a11 |
double | a12 |
double | a20 |
double | a21 |
double | a22 |
Private Attributes | |
eigen_values | lambda |
sorted eigenvalues | |
Class for sphericity tensor calculations.
The tensor is constructed following the definition in section 15.2.1 of arXiv:hep-ph/0603175v2.
Definition at line 236 of file JEventShapeVariables.hh.
Definition at line 239 of file JEventShapeVariables.hh.
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Constructor.
__begin | beginning of track data |
__end | end of track data |
r | the power of the momentum-dependence |
Definition at line 256 of file JEventShapeVariables.hh.
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Constructor.
event | event |
r | the power of the momentum dependence |
Definition at line 301 of file JEventShapeVariables.hh.
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inlineinherited |
Invert matrix.
Definition at line 80 of file JMatrix3S.hh.
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inlineinherited |
Get eigen values.
The eigen values sorted in decreasing order of absolute values.
Algorithm taken from "Eigenvalues of a symmetric 3x3 matrix"
by Oliver K. Smith; see reference.
epsilon | precision |
Definition at line 227 of file JMatrix3S.hh.
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inlinestaticinherited |
Get reference to unique instance of this class object.
Definition at line 78 of file JMath/JMatrix3D.hh.
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inlineinherited |
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inlinestaticinherited |
Get reference to unique instance of this class object.
Definition at line 106 of file JMath/JMatrix3D.hh.
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inlineinherited |
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inlineinherited |
Set matrix to the null matrix.
Definition at line 130 of file JMath/JMatrix3D.hh.
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inlineinherited |
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inlineinherited |
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Matrix multiplication.
A | matrix |
B | matrix |
Definition at line 241 of file JMath/JMatrix3D.hh.
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inlineinherited |
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inlineinherited |
Equality.
A | matrix |
eps | numerical precision |
Definition at line 267 of file JMath/JMatrix3D.hh.
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inlineinherited |
Test identity.
eps | numerical precision |
Definition at line 288 of file JMath/JMatrix3D.hh.
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Transform.
__x | x value |
__y | y value |
__z | z value |
Definition at line 318 of file JMath/JMatrix3D.hh.
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sorted eigenvalues
Definition at line 387 of file JEventShapeVariables.hh.
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Definition at line 385 of file JMath/JMatrix3D.hh.
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Definition at line 385 of file JMath/JMatrix3D.hh.
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Definition at line 385 of file JMath/JMatrix3D.hh.
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Definition at line 386 of file JMath/JMatrix3D.hh.
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Definition at line 386 of file JMath/JMatrix3D.hh.
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Definition at line 386 of file JMath/JMatrix3D.hh.
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Definition at line 387 of file JMath/JMatrix3D.hh.
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Definition at line 387 of file JMath/JMatrix3D.hh.
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Definition at line 387 of file JMath/JMatrix3D.hh.