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Rivet
3.1.2
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Object implementing Lorentz transform calculations and boosts. More...
#include <LorentzTrans.hh>
Public Member Functions | |
FourVector | transform (const FourVector &v4) const |
Apply this transformation to the given 4-vector. | |
FourMomentum | transform (const FourMomentum &v4) const |
Apply this transformation to the given 4-mometum. | |
FourVector | operator() (const FourVector &v4) const |
Apply this transformation to the given 4-vector. | |
FourMomentum | operator() (const FourMomentum &v4) const |
Apply this transformation to the given 4-mometum. | |
Matrix4 | toMatrix () const |
Return the matrix form. | |
Boost vector and beta/gamma factors | |
LorentzTransform & | setBetaVec (const Vector3 &vbeta) |
Set up an active Lorentz boost from the \( \vec\beta \) vector. | |
Vector3 | betaVec () const |
Get the \( \vec\beta \) vector for an active Lorentz boost. | |
double | beta () const |
Get the \( \beta \) factor. | |
LorentzTransform & | setGammaVec (const Vector3 &vgamma) |
Set up an active Lorentz boost from the \( \vec\gamma \) vector. | |
Vector3 | gammaVec () const |
Get the \( \vec\gamma \) vector for an active Lorentz boost. | |
double | gamma () const |
Get the \( \gamma \) factor. | |
Transform modifications | |
LorentzTransform | rotate (const Vector3 &from, const Vector3 &to) const |
Rotate the transformation cf. the difference between vectors from and to. | |
LorentzTransform | rotate (const Vector3 &axis, double angle) const |
Rotate the transformation by angle radians about axis. | |
LorentzTransform | rotate (const Matrix3 &rot) const |
Rotate the transformation by the 3D rotation matrix rot. | |
LorentzTransform | inverse () const |
Calculate the inverse transform. | |
LorentzTransform | combine (const LorentzTransform <) const |
Combine LTs, treating this as the LH matrix. | |
LorentzTransform | operator* (const LorentzTransform <) const |
Operator combination of two LTs. | |
LorentzTransform | preMult (const Matrix3 &m3) |
Pre-multiply m3 by this LT. | |
LorentzTransform | postMult (const Matrix3 &m3) |
Post-multiply m3 by this LT. | |
Static Public Member Functions | |
Simple Lorentz factor conversions | |
static double | beta2gamma (double beta) |
Calculate the \( \gamma \) factor from \( \beta \). | |
static double | gamma2beta (double gamma) |
Calculate \( \beta \) from the \( \gamma \) factor. | |
Construction | |
static LorentzTransform | mkObjTransformFromBeta (const Vector3 &vbeta) |
Make an LT for an active boost (i.e. object velocity += in boost direction) | |
static LorentzTransform | mkFrameTransformFromBeta (const Vector3 &vbeta) |
Make an LT for a passive boost (i.e. object velocity -= in boost direction) | |
static LorentzTransform | mkObjTransformFromGamma (const Vector3 &vgamma) |
Make an LT for an active boost (i.e. object velocity += in boost direction) | |
static LorentzTransform | mkFrameTransformFromGamma (const Vector3 &vgamma) |
Make an LT for a passive boost (i.e. object velocity -= in boost direction) | |
static LorentzTransform | mkObjTransform (const FourMomentum &p4) |
Make an LT for an active boost (i.e. object velocity += in boost direction) | |
static LorentzTransform | mkFrameTransform (const FourMomentum &p4) |
Make an LT for a passive boost (i.e. object velocity -= in boost direction) | |
LorentzTransform () | |
Default (identity) constructor. | |
LorentzTransform (const Matrix< 4 > &boostMatrix) | |
Constructor from a 4x4 matrix. | |
Object implementing Lorentz transform calculations and boosts.