g2o::SensorPointXY Class Reference

#include <sensor_pointxy.h>

Inheritance diagram for g2o::SensorPointXY:

Collaboration diagram for g2o::SensorPointXY:

Public Member Functions
EIGEN_MAKE_ALIGNED_OPERATOR_NEW	SensorPointXY (const std::string &name_)
virtual void	sense ()
virtual void	addNoise (EdgeType *e)
Public Member Functions inherited from g2o::PointSensorParameters
	PointSensorParameters ()
double	maxRange () const
void	setMaxRange (double maxRange_)
double	minRange () const
void	setMinRange (double minRange_)
double	fov () const
void	setFov (double fov_)
double	maxAngularDifference () const
void	setMaxAngularDifference (double angularDifference)
Public Member Functions inherited from g2o::BinarySensor< Robot2D, EdgeSE2PointXY, WorldObjectPointXY >
	BinarySensor (const std::string &name)
void	setInformation (const InformationType &information_)
const InformationType &	information ()
Public Member Functions inherited from g2o::BaseSensor
	BaseSensor (const std::string &name_)
BaseRobot *	robot ()
void	setRobot (BaseRobot *robot_)
World *	world ()
OptimizableGraph *	graph ()
std::vector< Parameter * >	parameters ()
virtual void	addParameters ()

Protected Member Functions
bool	isVisible (WorldObjectType *to)
Protected Member Functions inherited from g2o::BinarySensor< Robot2D, EdgeSE2PointXY, WorldObjectPointXY >
EdgeType *	mkEdge (WorldObjectType *object)

Additional Inherited Members
Public Types inherited from g2o::BinarySensor< Robot2D, EdgeSE2PointXY, WorldObjectPointXY >
typedef Robot2D	RobotType
typedef RobotType::PoseObject	PoseObject
typedef RobotType::TrajectoryType	TrajectoryType
typedef RobotType::PoseObject::VertexType	PoseVertexType
typedef EdgeSE2PointXY	EdgeType
typedef WorldObjectPointXY	WorldObjectType
typedef WorldObjectType::VertexType	VertexType
typedef EdgeType::InformationType	InformationType
Public Attributes inherited from g2o::BinarySensor< Robot2D, EdgeSE2PointXY, WorldObjectPointXY >
	EIGEN_MAKE_ALIGNED_OPERATOR_NEW
Protected Attributes inherited from g2o::PointSensorParameters
double	_maxRange2
double	_minRange2
double	_fov
double	_maxAngularDifference
Protected Attributes inherited from g2o::BinarySensor< Robot2D, EdgeSE2PointXY, WorldObjectPointXY >
PoseObject *	_robotPoseObject
InformationType	_information
GaussianSampler< typename EdgeType::ErrorVector, InformationType >	_sampler
Protected Attributes inherited from g2o::BaseSensor
std::string	_name
std::vector< Parameter * >	_parameters
BaseRobot *	_robot

Detailed Description

Definition at line 36 of file sensor_pointxy.h.

Constructor & Destructor Documentation

g2o::SensorPointXY::SensorPointXY

(

const std::string &

name_

)

Definition at line 33 of file sensor_pointxy.cpp.

: BinarySensor<Robot2D, EdgeSE2PointXY, WorldObjectPointXY>(name_) {}

Member Function Documentation

void g2o::SensorPointXY::addNoise ( EdgeType *  e )

virtual

Reimplemented from g2o::BinarySensor< Robot2D, EdgeSE2PointXY, WorldObjectPointXY >.

Definition at line 35 of file sensor_pointxy.cpp.

References g2o::BinarySensor< Robot2D, EdgeSE2PointXY, WorldObjectPointXY >::_sampler, g2o::GaussianSampler< SampleType, CovarianceType >::generateSample(), g2o::BinarySensor< Robot2D, EdgeSE2PointXY, WorldObjectPointXY >::information(), g2o::BaseEdge< D, E >::measurement(), g2o::BaseEdge< D, E >::setInformation(), and g2o::BaseEdge< D, E >::setMeasurement().

Referenced by sense().

                                         {
    EdgeType::ErrorVector n=_sampler.generateSample();
    e->setMeasurement(e->measurement()+n);
    e->setInformation(information());
  }

bool g2o::SensorPointXY::isVisible ( SensorPointXY::WorldObjectType *  to )

protected

Definition at line 41 of file sensor_pointxy.cpp.

References g2o::PointSensorParameters::_fov, g2o::PointSensorParameters::_maxRange2, g2o::PointSensorParameters::_minRange2, g2o::BinarySensor< Robot2D, EdgeSE2PointXY, WorldObjectPointXY >::_robotPoseObject, and g2o::WorldObject< VertexType_ >::vertex().

Referenced by sense().

                                                               {
    if (! _robotPoseObject)
      return false;
    
    assert(to && to->vertex());
    VertexType* v=to->vertex();
    VertexType::EstimateType pose=v->estimate();
    VertexType::EstimateType delta = _robotPoseObject->vertex()->estimate().inverse()*pose;
    Vector2d translation=delta;
    double range2=translation.squaredNorm();
    if (range2>_maxRange2)
      return false;
    if (range2<_minRange2)
      return false;
    translation.normalize();
    double bearing=acos(translation.x());
    if (fabs(bearing)>_fov)
       return false;
    return true;
  }

void g2o::SensorPointXY::sense ( )

virtual

Reimplemented from g2o::BinarySensor< Robot2D, EdgeSE2PointXY, WorldObjectPointXY >.

Definition at line 63 of file sensor_pointxy.cpp.

References g2o::BinarySensor< Robot2D, EdgeSE2PointXY, WorldObjectPointXY >::_robotPoseObject, g2o::OptimizableGraph::addEdge(), addNoise(), g2o::BaseSensor::graph(), isVisible(), g2o::BinarySensor< Robot2D, EdgeSE2PointXY, WorldObjectPointXY >::mkEdge(), g2o::World::objects(), g2o::BaseSensor::robot(), g2o::EdgeSE2PointXY::setMeasurementFromState(), g2o::Robot< RobotPoseObject >::trajectory(), and g2o::BaseSensor::world().

                            {
    _robotPoseObject=0;
    RobotType* r= dynamic_cast<RobotType*>(robot());
    std::list<PoseObject*>::reverse_iterator it=r->trajectory().rbegin();
    int count = 0;
    while (it!=r->trajectory().rend() && count < 1){
      if (!_robotPoseObject)
  _robotPoseObject = *it;
      it++;
      count++;
    }
    for (std::set<BaseWorldObject*>::iterator it=world()->objects().begin();
   it!=world()->objects().end(); it++){
      WorldObjectType* o=dynamic_cast<WorldObjectType*>(*it);
      if (o && isVisible(o)){
  EdgeType* e=mkEdge(o);  
  if (e && graph()) {
    e->setMeasurementFromState();
    addNoise(e);
    graph()->addEdge(e);
  }
      }
    }
  }

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

• /home/xuezhisd/CLionProjects/g2o/g2o/apps/g2o_simulator/sensor_pointxy.h
• /home/xuezhisd/CLionProjects/g2o/g2o/apps/g2o_simulator/sensor_pointxy.cpp