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g2o::EdgeSBAScale Class Reference

edge between two SBAcam that specifies the distance between them More...

#include <edge_sba_scale.h>

Inheritance diagram for g2o::EdgeSBAScale:
Collaboration diagram for g2o::EdgeSBAScale:

Public Member Functions

EIGEN_MAKE_ALIGNED_OPERATOR_NEW EdgeSBAScale ()
virtual bool read (std::istream &is)
 read the vertex from a stream, i.e., the internal state of the vertex
virtual bool write (std::ostream &os) const
 write the vertex to a stream
void computeError ()
virtual void setMeasurement (const double &m)
virtual double initialEstimatePossible (const OptimizableGraph::VertexSet &, OptimizableGraph::Vertex *)
virtual void initialEstimate (const OptimizableGraph::VertexSet &from_, OptimizableGraph::Vertex *to_)
Public Member Functions inherited from g2o::BaseBinaryEdge< 1, double, VertexCam, VertexCam >
 BaseBinaryEdge ()
Public Member Functions inherited from g2o::BaseFixedSizedEdge< D, double, VertexCam, VertexCam >
bool allVerticesFixedNs (std::index_sequence< Ints... >) const
void constructQuadraticFormNs (const InformationType &omega, const ErrorVector &weightedError, std::index_sequence< Ints... >)
void constructOffDiagonalQuadraticFormMs (const AtOType &, std::index_sequence<>)
void constructOffDiagonalQuadraticFormMs (const AtOType &AtO, std::index_sequence< Ints... >)
void constructOffDiagonalQuadraticFormM (const AtOType &AtO)
void constructQuadraticFormN (const InformationType &omega, const ErrorVector &weightedError)
void linearizeOplus_allocate (JacobianWorkspace &jacobianWorkspace, std::index_sequence< Ints... >)
void linearizeOplusN ()
void linearizeOplusNs (std::index_sequence< Ints... >)
constexpr std::enable_if< VertexXnType< VertexN >::Dimension!=-1, int >::type vertexDimension () const
const VertexXnType< VertexN > * vertexXn () const
 BaseFixedSizedEdge ()
OptimizableGraph::Vertex * createVertex (int i, CtorArgs... args)
 create an instance of the Nth VertexType
virtual void resize (size_t size)
virtual bool allVerticesFixed () const
virtual void linearizeOplus (JacobianWorkspace &jacobianWorkspace)
const std::tuple_element< N, std::tuple< JacobianType< D, VertexTypes::Dimension >... > >::type & jacobianOplusXn () const
virtual void constructQuadraticForm ()
virtual void mapHessianMemory (double *d, int i, int j, bool rowMajor)
Public Member Functions inherited from g2o::BaseEdge< D, double >
 BaseEdge ()
BaseEdge & operator= (const BaseEdge &)=delete
virtual ~BaseEdge ()
virtual double chi2 () const
virtual const double * errorData () const
 returns the error vector cached after calling the computeError;
const ErrorVector & error () const
EIGEN_STRONG_INLINE const InformationType & information () const
 information matrix of the constraint
void setInformation (const InformationType &information)
virtual const double * informationData () const
EIGEN_STRONG_INLINE const Measurement & measurement () const
 accessor functions for the measurement represented by the edge
virtual int rank () const
std::enable_if< Dim==-1, void >::type setDimension (int dim)
Public Member Functions inherited from g2o::OptimizableGraph::Edge
 Edge ()
virtual ~Edge ()
virtual bool setMeasurementData (const double *m)
virtual bool getMeasurementData (double *m) const
virtual int measurementDimension () const
virtual bool setMeasurementFromState ()
RobustKernel * robustKernel () const
 if NOT NULL, error of this edge will be robustifed with the kernel
void setRobustKernel (RobustKernel *ptr)
virtual double * errorData ()=0
virtual double * informationData ()=0
int level () const
 returns the level of the edge
void setLevel (int l)
 sets the level of the edge
int dimension () const
 returns the dimensions of the error function
 G2O_ATTRIBUTE_DEPRECATED (virtual Vertex *createFrom())
 G2O_ATTRIBUTE_DEPRECATED (virtual Vertex *createTo())
virtual Vertex * createVertex (int)
long long internalId () const
 the internal ID of the edge
OptimizableGraph * graph ()
const OptimizableGraph * graph () const
bool setParameterId (int argNum, int paramId)
const Parameter * parameter (int argNo) const
size_t numParameters () const
void resizeParameters (size_t newSize)
Public Member Functions inherited from g2o::HyperGraph::Edge
 Edge (int id=InvalidId)
 creates and empty edge with no vertices
const VertexContainer & vertices () const
VertexContainer & vertices ()
const Vertex * vertex (size_t i) const
Vertex * vertex (size_t i)
void setVertex (size_t i, Vertex *v)
int id () const
void setId (int id)
virtual HyperGraphElementType elementType () const
int numUndefinedVertices () const
Public Member Functions inherited from g2o::HyperGraph::HyperGraphElement
virtual ~HyperGraphElement ()
Public Member Functions inherited from g2o::HyperGraph::DataContainer
 DataContainer ()
virtual ~DataContainer ()
const Data * userData () const
 the user data associated with this vertex
Data * userData ()
void setUserData (Data *obs)
void addUserData (Data *obs)

Additional Inherited Members

Public Types inherited from g2o::BaseBinaryEdge< 1, double, VertexCam, VertexCam >
using VertexXiType
using VertexXjType
Public Types inherited from g2o::BaseFixedSizedEdge< D, double, VertexCam, VertexCam >
using NthType
using VertexXnType
 The type of the N-th vertex.
typedef BaseEdge< D, double >::Measurement Measurement
typedef BaseEdge< D, double >::ErrorVector ErrorVector
typedef BaseEdge< D, double >::InformationType InformationType
using JacobianType
using HessianBlockType
 it requires quite some ugly code to get the type of hessians...
using HessianBlockTypeK
using HessianBlockTypeKTransposed
using HessianTuple
using HessianTupleTransposed
using HessianRowMajorStorage
Public Types inherited from g2o::BaseEdge< D, double >
typedef double Measurement
typedef internal::BaseEdgeTraits< D >::ErrorVector ErrorVector
typedef internal::BaseEdgeTraits< D >::InformationType InformationType
Static Public Member Functions inherited from g2o::BaseFixedSizedEdge< D, double, VertexCam, VertexCam >
static constexpr int VertexDimension ()
 Size of the N-th vertex at compile time.
Static Public Attributes inherited from g2o::BaseFixedSizedEdge< D, double, VertexCam, VertexCam >
static const int Dimension
static const std::size_t _nr_of_vertices
static const std::size_t _nr_of_vertex_pairs
Static Public Attributes inherited from g2o::BaseEdge< D, double >
static constexpr int Dimension
Protected Member Functions inherited from g2o::BaseEdge< D, double >
InformationType robustInformation (const Vector3 &rho) const
bool writeInformationMatrix (std::ostream &os) const
 write the upper trinagular part of the information matrix into the stream
bool readInformationMatrix (std::istream &is)
bool writeParamIds (std::ostream &os) const
 write the param IDs that are potentially used by the edge
bool readParamIds (std::istream &is)
 reads the param IDs from the stream
Protected Member Functions inherited from g2o::OptimizableGraph::Edge
template<typename ParameterType>
bool installParameter (ParameterType *&p, size_t argNo, int paramId=-1)
template<typename CacheType>
void resolveCache (CacheType *&cache, OptimizableGraph::Vertex *, const std::string &_type, const ParameterVector &parameters)
bool resolveParameters ()
virtual bool resolveCaches ()
Protected Attributes inherited from g2o::BaseBinaryEdge< 1, double, VertexCam, VertexCam >
BaseFixedSizedEdge< D, double, VertexCam, VertexCam >::template JacobianType< D, VertexCam::Dimension > & _jacobianOplusXi
BaseFixedSizedEdge< D, double, VertexCam, VertexCam >::template JacobianType< D, VertexCam::Dimension > & _jacobianOplusXj
Protected Attributes inherited from g2o::BaseFixedSizedEdge< D, double, VertexCam, VertexCam >
HessianRowMajorStorage _hessianRowMajor
HessianTuple _hessianTuple
HessianTupleTransposed _hessianTupleTransposed
std::tuple< JacobianType< D, VertexTypes::Dimension >... > _jacobianOplus
Protected Attributes inherited from g2o::BaseEdge< D, double >
Measurement _measurement
 the measurement of the edge
InformationType _information
ErrorVector _error
Protected Attributes inherited from g2o::OptimizableGraph::Edge
int _dimension
int _level
RobustKernel * _robustKernel
long long _internalId
std::vector< int > _cacheIds
std::vector< std::string > _parameterTypes
std::vector< Parameter ** > _parameters
std::vector< int > _parameterIds
Protected Attributes inherited from g2o::HyperGraph::Edge
VertexContainer _vertices
int _id
 unique id
Protected Attributes inherited from g2o::HyperGraph::DataContainer
Data * _userData

Detailed Description

edge between two SBAcam that specifies the distance between them

Definition at line 39 of file edge_sba_scale.h.

Constructor & Destructor Documentation

◆ EdgeSBAScale()

Member Function Documentation

◆ computeError()

void g2o::EdgeSBAScale::computeError ( )
virtual

Implements g2o::OptimizableGraph::Edge.

Definition at line 69 of file edge_sba_scale.cpp.

69 {
70 const VertexCam* v1 = dynamic_cast<const VertexCam*>(_vertices[0]);
71 const VertexCam* v2 = dynamic_cast<const VertexCam*>(_vertices[1]);
72 Vector3 dt = v2->estimate().translation() - v1->estimate().translation();
73 _error[0] = _measurement - dt.norm();
74}
VertexContainer _vertices
VectorN< 3 > Vector3
Definition eigen_types.h:51

References g2o::BaseEdge< D, double >::_error, g2o::BaseEdge< D, double >::_measurement, g2o::HyperGraph::Edge::_vertices, g2o::BaseVertex< D, T >::estimate(), and g2o::SE3Quat::translation().

◆ initialEstimate()

void g2o::EdgeSBAScale::initialEstimate ( const OptimizableGraph::VertexSet & ,
OptimizableGraph::Vertex *  )
virtual

set the estimate of the to vertex, based on the estimate of the from vertices in the edge.

Reimplemented from g2o::BaseEdge< D, double >.

Definition at line 49 of file edge_sba_scale.cpp.

50 {
51 VertexCam* v1 = dynamic_cast<VertexCam*>(_vertices[0]);
52 VertexCam* v2 = dynamic_cast<VertexCam*>(_vertices[1]);
53 // compute the translation vector of v1 w.r.t v2
54 if (from_.count(v1) == 1) {
55 SE3Quat delta = (v1->estimate().inverse() * v2->estimate());
56 double norm = delta.translation().norm();
57 double alpha = _measurement / norm;
58 delta.setTranslation(delta.translation() * alpha);
59 v2->setEstimate(v1->estimate() * delta);
60 } else {
61 SE3Quat delta = (v2->estimate().inverse() * v1->estimate());
62 double norm = delta.translation().norm();
63 double alpha = _measurement / norm;
64 delta.setTranslation(delta.translation() * alpha);
65 v1->setEstimate(v2->estimate() * delta);
66 }
67}

References g2o::BaseEdge< D, double >::_measurement, g2o::HyperGraph::Edge::_vertices, g2o::BaseVertex< D, T >::estimate(), g2o::VertexCam::setEstimate(), g2o::SE3Quat::setTranslation(), and g2o::SE3Quat::translation().

◆ initialEstimatePossible()

virtual double g2o::EdgeSBAScale::initialEstimatePossible ( const OptimizableGraph::VertexSet & from,
OptimizableGraph::Vertex * to )
inlinevirtual

override in your class if it's possible to initialize the vertices in certain combinations. The return value may correspond to the cost for initiliaizng the vertex but should be positive if the initialization is possible and negative if not possible.

Reimplemented from g2o::OptimizableGraph::Edge.

Definition at line 48 of file edge_sba_scale.h.

49 {
50 return cst(1.);
51 }
constexpr double cst(long double v)
Definition misc.h:60

References g2o::cst().

◆ read()

bool g2o::EdgeSBAScale::read ( std::istream & is)
virtual

read the vertex from a stream, i.e., the internal state of the vertex

Implements g2o::OptimizableGraph::Edge.

Definition at line 35 of file edge_sba_scale.cpp.

35 {
36 double meas;
37 is >> meas;
38 setMeasurement(meas);
39 information().setIdentity();
40 is >> information()(0, 0);
41 return true;
42}
EIGEN_STRONG_INLINE const InformationType & information() const
Definition base_edge.h:107
virtual void setMeasurement(const double &m)

References g2o::BaseEdge< D, double >::information(), and setMeasurement().

◆ setMeasurement()

virtual void g2o::EdgeSBAScale::setMeasurement ( const double & m)
inlinevirtual

Reimplemented from g2o::BaseEdge< D, double >.

Definition at line 47 of file edge_sba_scale.h.

47{ _measurement = m; }

References g2o::BaseEdge< D, double >::_measurement.

Referenced by read().

◆ write()

bool g2o::EdgeSBAScale::write ( std::ostream & os) const
virtual

write the vertex to a stream

Implements g2o::OptimizableGraph::Edge.

Definition at line 44 of file edge_sba_scale.cpp.

44 {
45 os << measurement() << " " << information()(0, 0);
46 return os.good();
47}
EIGEN_STRONG_INLINE const Measurement & measurement() const
Definition base_edge.h:119

References g2o::BaseEdge< D, double >::information(), and g2o::BaseEdge< D, double >::measurement().


The documentation for this class was generated from the following files: