LogicalCameraSensor Class Reference

A camera sensor that reports locations of objects instead of rendering a scene. More...

#include <sensors/sensors.hh>

Inherits Sensor.

Public Member Functions

 LogicalCameraSensor ()
 Constructor. More...
 
virtual ~LogicalCameraSensor ()
 Destructor. More...
 
double AspectRatio () const
 Get the aspect ratio, which is the width divided by height of the near or far planes. More...
 
SensorCategory Category () const
 Get the category of the sensor. More...
 
event::ConnectionPtr ConnectUpdated (std::function< void()> _subscriber)
 Connect a signal that is triggered when the sensor is updated. More...
 
double Far () const
 Get the far distance. More...
 
void FillMsg (msgs::Sensor &_msg)
 fills a msgs::Sensor message. More...
 
ignition::math::Angle HorizontalFOV () const
 Get the horizontal field of view. More...
 
uint32_t Id () const
 Get the sensor's ID. More...
 
msgs::LogicalCameraImage Image () const
 Get the latest image. More...
 
virtual void Init ()
 Initialize the sensor. More...
 
virtual bool IsActive () const
 Returns true if sensor generation is active. More...
 
common::Time LastMeasurementTime () const
 Return last measurement time. More...
 
common::Time LastUpdateTime () const
 Return last update time. More...
 
virtual void Load (const std::string &_worldName, sdf::ElementPtr _sdf)
 Load the sensor with SDF parameters. More...
 
virtual void Load (const std::string &_worldName)
 Load the sensor with default parameters. More...
 
std::string Name () const
 Get name. More...
 
double Near () const
 Get the near distance. More...
 
NoisePtr Noise (const SensorNoiseType _type) const
 Get the sensor's noise model for a specified noise type. More...
 
uint32_t ParentId () const
 Get the sensor's parent's ID. More...
 
std::string ParentName () const
 Returns the name of the sensor parent. More...
 
virtual ignition::math::Pose3d Pose () const
 Get the current pose. More...
 
void ResetLastUpdateTime ()
 Reset the lastUpdateTime to zero. More...
 
std::string ScopedName () const
 Get fully scoped name of the sensor. More...
 
virtual void SetActive (const bool _value)
 Set whether the sensor is active or not. More...
 
void SetParent (const std::string &_name, const uint32_t _id)
 Set the sensor's parent. More...
 
virtual void SetPose (const ignition::math::Pose3d &_pose)
 Set the current pose. More...
 
void SetUpdateRate (const double _hz)
 Set the update rate of the sensor. More...
 
virtual std::string Topic () const
 Returns the topic name as set in SDF. More...
 
std::string Type () const
 Get sensor type. More...
 
void Update (const bool _force)
 Update the sensor. More...
 
double UpdateRate () const
 Get the update rate of the sensor. More...
 
bool Visualize () const
 Return true if user requests the sensor to be visualized via tag: <visualize>true</visualize> in SDF. More...
 
std::string WorldName () const
 Returns the name of the world the sensor is in. More...
 

Protected Member Functions

virtual void Fini ()
 Finalize the sensor. More...
 
bool NeedsUpdate ()
 Return true if the sensor needs to be updated. More...
 
virtual bool UpdateImpl (const bool _force)
 This gets overwritten by derived sensor types. More...
 

Protected Attributes

bool active
 True if sensor generation is active. More...
 
std::vector< event::ConnectionPtrconnections
 All event connections. More...
 
common::Time lastMeasurementTime
 Stores last time that a sensor measurement was generated; this value must be updated within each sensor's UpdateImpl. More...
 
common::Time lastUpdateTime
 Time of the last update. More...
 
transport::NodePtr node
 Node for communication. More...
 
ignition::transport::Node nodeIgn
 Ignition transport node. More...
 
std::map< SensorNoiseType,
NoisePtr
noises
 Noise added to sensor data. More...
 
uint32_t parentId
 The sensor's parent ID. More...
 
std::string parentName
 Name of the parent. More...
 
std::vector< SensorPluginPtrplugins
 All the plugins for the sensor. More...
 
ignition::math::Pose3d pose
 Pose of the sensor. More...
 
gazebo::rendering::ScenePtr scene
 Pointer to the Scene. More...
 
sdf::ElementPtr sdf
 Pointer the the SDF element for the sensor. More...
 
common::Time updatePeriod
 Desired time between updates, set indirectly by Sensor::SetUpdateRate. More...
 
gazebo::physics::WorldPtr world
 Pointer to the world. More...
 

Detailed Description

A camera sensor that reports locations of objects instead of rendering a scene.

This camera finds models in the sensor's vicinity, and transmits information about the models on the sensor's topic.

Constructor & Destructor Documentation

Constructor.

virtual ~LogicalCameraSensor ( )
virtual

Destructor.

Member Function Documentation

double AspectRatio ( ) const

Get the aspect ratio, which is the width divided by height of the near or far planes.

Returns
The frustum's aspect ratio.
SensorCategory Category ( ) const
inherited

Get the category of the sensor.

Returns
The category of the sensor.
See Also
SensorCategory
event::ConnectionPtr ConnectUpdated ( std::function< void()>  _subscriber)
inherited

Connect a signal that is triggered when the sensor is updated.

Parameters
[in]_subscriberCallback that receives the signal.
Returns
A pointer to the connection. This must be kept in scope.
See Also
Sensor::DisconnectUpdated
double Far ( ) const

Get the far distance.

This is the distance from the frustum's vertex to the farthest plane.

Returns
Far distance.
void FillMsg ( msgs::Sensor &  _msg)
inherited

fills a msgs::Sensor message.

Parameters
[out]_msgMessage to fill.
virtual void Fini ( )
protectedvirtual

Finalize the sensor.

Reimplemented from Sensor.

ignition::math::Angle HorizontalFOV ( ) const

Get the horizontal field of view.

The field of view is the angle between the frustum's vertex and the edges of the near or far plane. This value represents the horizontal angle.

Returns
The field of view.
uint32_t Id ( ) const
inherited

Get the sensor's ID.

Returns
The sensor's ID.
msgs::LogicalCameraImage Image ( ) const

Get the latest image.

An image is an instance of msgs::LogicalCameraImage, which contains a list of detected models.

Returns
List of detected models.
virtual void Init ( )
virtual

Initialize the sensor.

Reimplemented from Sensor.

virtual bool IsActive ( ) const
virtual

Returns true if sensor generation is active.

Returns
True if active, false if not.

Reimplemented from Sensor.

common::Time LastMeasurementTime ( ) const
inherited

Return last measurement time.

Returns
Time of last measurement.
common::Time LastUpdateTime ( ) const
inherited

Return last update time.

Returns
Time of last update.
virtual void Load ( const std::string &  _worldName,
sdf::ElementPtr  _sdf 
)
virtual

Load the sensor with SDF parameters.

Parameters
[in]_sdfSDF Sensor parameters.
[in]_worldNameName of world to load from.

Reimplemented from Sensor.

virtual void Load ( const std::string &  _worldName)
virtual

Load the sensor with default parameters.

Parameters
[in]_worldNameName of world to load from.

Reimplemented from Sensor.

std::string Name ( ) const
inherited

Get name.

Returns
Name of sensor.
double Near ( ) const

Get the near distance.

This is the distance from the frustum's vertex to the closest plane.

Returns
Near distance.
bool NeedsUpdate ( )
protectedinherited

Return true if the sensor needs to be updated.

Returns
True when sensor should be updated.
NoisePtr Noise ( const SensorNoiseType  _type) const
inherited

Get the sensor's noise model for a specified noise type.

Parameters
[in]_typeIndex of the noise type. Refer to SensorNoiseType enumeration for possible indices
Returns
The sensor's noise model for the given noise type
uint32_t ParentId ( ) const
inherited

Get the sensor's parent's ID.

Returns
The sensor's parent's ID.
std::string ParentName ( ) const
inherited

Returns the name of the sensor parent.

The parent name is set by Sensor::SetParent.

Returns
Name of Parent.
virtual ignition::math::Pose3d Pose ( ) const
virtualinherited

Get the current pose.

Returns
Current pose of the sensor.
See Also
SetPose()
void ResetLastUpdateTime ( )
inherited

Reset the lastUpdateTime to zero.

std::string ScopedName ( ) const
inherited

Get fully scoped name of the sensor.

Returns
world_name::model_name::link_name::sensor_name.
virtual void SetActive ( const bool  _value)
virtualinherited

Set whether the sensor is active or not.

Parameters
[in]_valueTrue if active, false if not.
void SetParent ( const std::string &  _name,
const uint32_t  _id 
)
inherited

Set the sensor's parent.

Parameters
[in]_nameThe sensor's parent's name.
[in]_idThe sensor's parent's ID.
virtual void SetPose ( const ignition::math::Pose3d &  _pose)
virtualinherited

Set the current pose.

Parameters
[in]_poseNew pose of the sensor.
See Also
Pose()
void SetUpdateRate ( const double  _hz)
inherited

Set the update rate of the sensor.

Parameters
[in]_hzupdate rate of sensor.
virtual std::string Topic ( ) const
virtual

Returns the topic name as set in SDF.

Returns
Topic name.

Reimplemented from Sensor.

std::string Type ( ) const
inherited

Get sensor type.

Returns
Type of sensor.
void Update ( const bool  _force)
inherited

Update the sensor.

Parameters
[in]_forceTrue to force update, false otherwise.
virtual bool UpdateImpl ( const bool  )
protectedvirtual

This gets overwritten by derived sensor types.

This function is called during Sensor::Update. And in turn, Sensor::Update is called by SensorManager::Update

Parameters
[in]_forceTrue if update is forced, false if not
Returns
True if the sensor was updated.

Reimplemented from Sensor.

double UpdateRate ( ) const
inherited

Get the update rate of the sensor.

Returns
_hz update rate of sensor. Returns 0 if unthrottled.
bool Visualize ( ) const
inherited

Return true if user requests the sensor to be visualized via tag: <visualize>true</visualize> in SDF.

Returns
True if visualized, false if not.
std::string WorldName ( ) const
inherited

Returns the name of the world the sensor is in.

Returns
Name of the world.

Member Data Documentation

bool active
protectedinherited

True if sensor generation is active.

std::vector<event::ConnectionPtr> connections
protectedinherited

All event connections.

common::Time lastMeasurementTime
protectedinherited

Stores last time that a sensor measurement was generated; this value must be updated within each sensor's UpdateImpl.

common::Time lastUpdateTime
protectedinherited

Time of the last update.

transport::NodePtr node
protectedinherited

Node for communication.

ignition::transport::Node nodeIgn
protectedinherited

Ignition transport node.

std::map<SensorNoiseType, NoisePtr> noises
protectedinherited

Noise added to sensor data.

uint32_t parentId
protectedinherited

The sensor's parent ID.

std::string parentName
protectedinherited

Name of the parent.

std::vector<SensorPluginPtr> plugins
protectedinherited

All the plugins for the sensor.

ignition::math::Pose3d pose
protectedinherited

Pose of the sensor.

gazebo::rendering::ScenePtr scene
protectedinherited

Pointer to the Scene.

sdf::ElementPtr sdf
protectedinherited

Pointer the the SDF element for the sensor.

common::Time updatePeriod
protectedinherited

Desired time between updates, set indirectly by Sensor::SetUpdateRate.

gazebo::physics::WorldPtr world
protectedinherited

Pointer to the world.


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