gtsam 4.1.1
gtsam
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FrobeniusBetweenFactor is a BetweenFactor that evaluates the Frobenius norm of the rotation error between measured and predicted (rather than the Logmap of the error).
This factor is only defined for fixed-dimension types, and in fact only SO3 and SO4 really work, as we need SO<N>::AdjointMap.
Public Member Functions | |
Constructor | |
FrobeniusBetweenFactor (Key j1, Key j2, const Rot &R12, const SharedNoiseModel &model=nullptr) | |
Construct from two keys and measured rotation. | |
Testable | |
void | print (const std::string &s, const KeyFormatter &keyFormatter=DefaultKeyFormatter) const override |
print with optional string More... | |
bool | equals (const NonlinearFactor &expected, double tol=1e-9) const override |
assert equality up to a tolerance More... | |
NoiseModelFactor2 methods | |
Vector | evaluateError (const Rot &R1, const Rot &R2, boost::optional< Matrix & > H1=boost::none, boost::optional< Matrix & > H2=boost::none) const override |
Error is Frobenius norm between R1*R12 and R2. More... | |
Public Member Functions inherited from gtsam::NoiseModelFactor2< Rot, Rot > | |
NoiseModelFactor2 () | |
Default Constructor for I/O. | |
NoiseModelFactor2 (const SharedNoiseModel &noiseModel, Key j1, Key j2) | |
Constructor. More... | |
Key | key1 () const |
methods to retrieve both keys | |
Key | key2 () const |
Vector | unwhitenedError (const Values &x, boost::optional< std::vector< Matrix > & > H=boost::none) const override |
Calls the 2-key specific version of evaluateError, which is pure virtual so must be implemented in the derived class. More... | |
virtual Vector | evaluateError (const X1 &, const X2 &, boost::optional< Matrix & > H1=boost::none, boost::optional< Matrix & > H2=boost::none) const=0 |
Override this method to finish implementing a binary factor. More... | |
Public Member Functions inherited from gtsam::NoiseModelFactor | |
NoiseModelFactor () | |
Default constructor for I/O only. | |
~NoiseModelFactor () override | |
Destructor. | |
template<typename CONTAINER > | |
NoiseModelFactor (const SharedNoiseModel &noiseModel, const CONTAINER &keys) | |
Constructor. | |
void | print (const std::string &s="", const KeyFormatter &keyFormatter=DefaultKeyFormatter) const override |
Print. More... | |
bool | equals (const NonlinearFactor &f, double tol=1e-9) const override |
Check if two factors are equal. More... | |
size_t | dim () const override |
get the dimension of the factor (number of rows on linearization) More... | |
const SharedNoiseModel & | noiseModel () const |
access to the noise model | |
virtual Vector | unwhitenedError (const Values &x, boost::optional< std::vector< Matrix > & > H=boost::none) const =0 |
Error function without the NoiseModel, \( z-h(x) \). More... | |
Vector | whitenedError (const Values &c) const |
Vector of errors, whitened This is the raw error, i.e., i.e. More... | |
Vector | unweightedWhitenedError (const Values &c) const |
Vector of errors, whitened, but unweighted by any loss function. | |
double | weight (const Values &c) const |
Compute the effective weight of the factor from the noise model. | |
double | error (const Values &c) const override |
Calculate the error of the factor. More... | |
boost::shared_ptr< GaussianFactor > | linearize (const Values &x) const override |
Linearize a non-linearFactorN to get a GaussianFactor, \( Ax-b \approx h(x+\delta x)-z = h(x) + A \delta x - z \) Hence \( b = z - h(x) = - \mathtt{error\_vector}(x) \). More... | |
shared_ptr | cloneWithNewNoiseModel (const SharedNoiseModel newNoise) const |
Creates a shared_ptr clone of the factor with a new noise model. | |
Public Member Functions inherited from gtsam::NonlinearFactor | |
NonlinearFactor () | |
Default constructor for I/O only. | |
template<typename CONTAINER > | |
NonlinearFactor (const CONTAINER &keys) | |
Constructor from a collection of the keys involved in this factor. | |
virtual | ~NonlinearFactor () |
Destructor. | |
virtual bool | active (const Values &) const |
Checks whether a factor should be used based on a set of values. More... | |
virtual shared_ptr | clone () const |
Creates a shared_ptr clone of the factor - needs to be specialized to allow for subclasses. More... | |
virtual shared_ptr | rekey (const std::map< Key, Key > &rekey_mapping) const |
Creates a shared_ptr clone of the factor with different keys using a map from old->new keys. More... | |
virtual shared_ptr | rekey (const KeyVector &new_keys) const |
Clones a factor and fully replaces its keys. More... | |
virtual bool | sendable () const |
Should the factor be evaluated in the same thread as the caller This is to enable factors that has shared states (like the Python GIL lock) More... | |
Public Member Functions inherited from gtsam::Factor | |
virtual | ~Factor ()=default |
Default destructor. | |
KeyVector & | keys () |
iterator | begin () |
Iterator at beginning of involved variable keys. | |
iterator | end () |
Iterator at end of involved variable keys. | |
virtual void | printKeys (const std::string &s="Factor", const KeyFormatter &formatter=DefaultKeyFormatter) const |
print only keys More... | |
Key | front () const |
First key. | |
Key | back () const |
Last key. | |
const_iterator | find (Key key) const |
find | |
const KeyVector & | keys () const |
Access the factor's involved variable keys. | |
const_iterator | begin () const |
Iterator at beginning of involved variable keys. | |
const_iterator | end () const |
Iterator at end of involved variable keys. | |
size_t | size () const |
Additional Inherited Members | |
Public Types inherited from gtsam::NoiseModelFactor2< Rot, Rot > | |
typedef Rot | X1 |
typedef Rot | X2 |
Public Types inherited from gtsam::NoiseModelFactor | |
typedef boost::shared_ptr< This > | shared_ptr |
Noise model. | |
Public Types inherited from gtsam::NonlinearFactor | |
typedef boost::shared_ptr< This > | shared_ptr |
Public Types inherited from gtsam::Factor | |
typedef KeyVector::iterator | iterator |
Iterator over keys. | |
typedef KeyVector::const_iterator | const_iterator |
Const iterator over keys. | |
Protected Types inherited from gtsam::NoiseModelFactor2< Rot, Rot > | |
typedef NoiseModelFactor | Base |
typedef NoiseModelFactor2< Rot, Rot > | This |
Protected Types inherited from gtsam::NoiseModelFactor | |
typedef NonlinearFactor | Base |
typedef NoiseModelFactor | This |
Protected Types inherited from gtsam::NonlinearFactor | |
typedef Factor | Base |
typedef NonlinearFactor | This |
Protected Member Functions inherited from gtsam::NoiseModelFactor | |
NoiseModelFactor (const SharedNoiseModel &noiseModel) | |
Constructor - only for subclasses, as this does not set keys. | |
Protected Member Functions inherited from gtsam::Factor | |
Factor () | |
Default constructor for I/O. | |
template<typename CONTAINER > | |
Factor (const CONTAINER &keys) | |
Construct factor from container of keys. More... | |
template<typename ITERATOR > | |
Factor (ITERATOR first, ITERATOR last) | |
Construct factor from iterator keys. More... | |
bool | equals (const This &other, double tol=1e-9) const |
check equality | |
Static Protected Member Functions inherited from gtsam::Factor | |
template<typename CONTAINER > | |
static Factor | FromKeys (const CONTAINER &keys) |
Construct factor from container of keys. More... | |
template<typename ITERATOR > | |
static Factor | FromIterators (ITERATOR first, ITERATOR last) |
Construct factor from iterator keys. More... | |
Protected Attributes inherited from gtsam::NoiseModelFactor | |
SharedNoiseModel | noiseModel_ |
Protected Attributes inherited from gtsam::Factor | |
KeyVector | keys_ |
The keys involved in this factor. | |
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inlineoverridevirtual |
assert equality up to a tolerance
Reimplemented from gtsam::NoiseModelFactor.
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inlineoverridevirtual |
Error is Frobenius norm between R1*R12 and R2.
Implements gtsam::NoiseModelFactor2< Rot, Rot >.
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inlineoverridevirtual |
print with optional string
Reimplemented from gtsam::NoiseModelFactor.