Hierarchical mobility model. More...

#include "hierarchical-mobility-model.h"

Inheritance diagram for ns3::HierarchicalMobilityModel:

Public Member Functions
	HierarchicalMobilityModel ()

Ptr< MobilityModel >	GetChild (void) const

Ptr< MobilityModel >	GetParent (void) const

void	SetChild (Ptr< MobilityModel > model)
	Sets the child mobility model to a new one. More...

void	SetParent (Ptr< MobilityModel > model)
	Sets the parent mobility model to a new one. More...

Public Member Functions inherited from ns3::MobilityModel
	MobilityModel ()

virtual	~MobilityModel ()=0

int64_t	AssignStreams (int64_t stream)
	Assign a fixed random variable stream number to the random variables used by this model. More...

double	GetDistanceFrom (Ptr< const MobilityModel > position) const

Vector	GetPosition (void) const

double	GetRelativeSpeed (Ptr< const MobilityModel > other) const

Vector	GetVelocity (void) const

void	SetPosition (const Vector &position)

Public Member Functions inherited from ns3::Object
	Object ()
	Constructor. More...

virtual	~Object ()
	Destructor. More...

void	AggregateObject (Ptr< Object > other)
	Aggregate two Objects together. More...

void	Dispose (void)
	Dispose of this Object. More...

AggregateIterator	GetAggregateIterator (void) const
	Get an iterator to the Objects aggregated to this one. More...

virtual TypeId	GetInstanceTypeId (void) const
	Get the most derived TypeId for this Object. More...

template<typename T >
Ptr< T >	GetObject (void) const
	Get a pointer to the requested aggregated Object. More...

template<typename T >
Ptr< T >	GetObject (TypeId tid) const
	Get a pointer to the requested aggregated Object by TypeId. More...

void	Initialize (void)
	Invoke DoInitialize on all Objects aggregated to this one. More...

bool	IsInitialized (void) const
	Check if the object has been initialized. More...

Public Member Functions inherited from ns3::SimpleRefCount< Object, ObjectBase, ObjectDeleter >
	SimpleRefCount ()
	Default constructor. More...

	SimpleRefCount (const SimpleRefCount &o)
	Copy constructor. More...

uint32_t	GetReferenceCount (void) const
	Get the reference count of the object. More...

SimpleRefCount &	operator= (const SimpleRefCount &o)
	Assignment operator. More...

void	Ref (void) const
	Increment the reference count. More...

void	Unref (void) const
	Decrement the reference count. More...

Public Member Functions inherited from ns3::ObjectBase
virtual	~ObjectBase ()
	Virtual destructor. More...

void	GetAttribute (std::string name, AttributeValue &value) const
	Get the value of an attribute, raising fatal errors if unsuccessful. More...

bool	GetAttributeFailSafe (std::string name, AttributeValue &value) const
	Get the value of an attribute without raising erros. More...

void	SetAttribute (std::string name, const AttributeValue &value)
	Set a single attribute, raising fatal errors if unsuccessful. More...

bool	SetAttributeFailSafe (std::string name, const AttributeValue &value)
	Set a single attribute without raising errors. More...

bool	TraceConnect (std::string name, std::string context, const CallbackBase &cb)
	Connect a TraceSource to a Callback with a context. More...

bool	TraceConnectWithoutContext (std::string name, const CallbackBase &cb)
	Connect a TraceSource to a Callback without a context. More...

bool	TraceDisconnect (std::string name, std::string context, const CallbackBase &cb)
	Disconnect from a TraceSource a Callback previously connected with a context. More...

bool	TraceDisconnectWithoutContext (std::string name, const CallbackBase &cb)
	Disconnect from a TraceSource a Callback previously connected without a context. More...

Static Public Member Functions
static TypeId	GetTypeId (void)
	Register this type with the TypeId system. More...

Static Public Member Functions inherited from ns3::MobilityModel
static TypeId	GetTypeId (void)
	Register this type with the TypeId system. More...

Static Public Member Functions inherited from ns3::Object
static TypeId	GetTypeId (void)
	Register this type. More...

Static Public Member Functions inherited from ns3::ObjectBase
static TypeId	GetTypeId (void)
	Get the type ID. More...

Private Member Functions
void	ChildChanged (Ptr< const MobilityModel > model)
	Callback for when child mobility model course change occurs. More...

virtual Vector	DoGetPosition (void) const

virtual Vector	DoGetVelocity (void) const

virtual void	DoSetPosition (const Vector &position)

void	ParentChanged (Ptr< const MobilityModel > model)
	Callback for when parent mobility model course change occurs. More...

Private Attributes
Ptr< MobilityModel >	m_child
	pointer to child mobility model More...

Ptr< MobilityModel >	m_parent
	pointer to parent mobility model More...

Additional Inherited Members
Public Types inherited from ns3::MobilityModel
typedef void(*	TracedCallback) (Ptr< const MobilityModel > model)
	TracedCallback signature. More...

Protected Member Functions inherited from ns3::MobilityModel
void	NotifyCourseChange (void) const
	Must be invoked by subclasses when the course of the position changes to notify course change listeners. More...

Protected Member Functions inherited from ns3::Object
	Object (const Object &o)
	Copy an Object. More...

virtual void	DoDispose (void)
	Destructor implementation. More...

virtual void	DoInitialize (void)
	Initialize() implementation. More...

virtual void	NotifyNewAggregate (void)
	Notify all Objects aggregated to this one of a new Object being aggregated. More...

Protected Member Functions inherited from ns3::ObjectBase
void	ConstructSelf (const AttributeConstructionList &attributes)
	Complete construction of ObjectBase; invoked by derived classes. More...

virtual void	NotifyConstructionCompleted (void)
	Notifier called once the ObjectBase is fully constructed. More...

Related Functions inherited from ns3::ObjectBase
static TypeId	GetObjectIid (void)
	Ensure the TypeId for ObjectBase gets fully configured to anchor the inheritance tree properly. More...

Detailed Description

Hierarchical mobility model.

This model allows you to specify the position of a child object relative to a parent object.

Basically this is a mobility model that combines two other mobility models: a "parent" model and a "child" model. The position of the hierarchical model is always the vector sum of the parent + child positions, so that if the parent model "moves", then this model will report an equal relative movement. Useful, for instance, if you want to simulate a node inside another node that moves, such as a vehicle.

Setting the position on this model is always done using world absolute coordinates, and it changes only the child mobility model position, never the parent. The child mobility model always uses a coordinate system relative to the parent model position.

Note: : as a special case, the parent model may be NULL, which is semantically equivalent to having a ConstantPositionMobilityModel as parent positioned at origin (0,0,0). In other words, setting the parent model to NULL makes the child model and the hierarchical model start using world absolute coordinates.

Warning: : changing the parent/child mobility models in the middle of a simulation will probably not play very well with the ConfigStore APIs, so do this only if you know what you are doing.

Config Paths

ns3::HierarchicalMobilityModel is accessible through the following paths with Config::Set and Config::Connect:

"/NodeList/[i]/$ns3::MobilityModel/$ns3::HierarchicalMobilityModel"

Attributes

Child: The child mobility model.
- Set with class: ns3::PointerValue
- Underlying type: ns3::Ptr< ns3::MobilityModel>
- Initial value: 0x0
- Flags: construct write read
Parent: The parent mobility model.
- Set with class: ns3::PointerValue
- Underlying type: ns3::Ptr< ns3::MobilityModel>
- Initial value: 0x0
- Flags: construct write read

Attributes defined in parent class ns3::MobilityModel

Position: The current position of the mobility model.
- Set with class: Vector3DValue
- Underlying type: Vector3D
- Flags: write read
Velocity: The current velocity of the mobility model.
- Set with class: Vector3DValue
- Underlying type: Vector3D
- Flags: read

No TraceSources are defined for this type.

TraceSources defined in parent class ns3::MobilityModel

CourseChange: The value of the position and/or velocity vector changed
Callback signature: ns3::MobilityModel::TracedCallback

Size of this type is 72 bytes (on a 64-bit architecture).

Definition at line 57 of file hierarchical-mobility-model.h.

Constructor & Destructor Documentation

◆ HierarchicalMobilityModel()

ns3::HierarchicalMobilityModel::HierarchicalMobilityModel ( )

Definition at line 48 of file hierarchical-mobility-model.cc.

Member Function Documentation

◆ ChildChanged()

void ns3::HierarchicalMobilityModel::ChildChanged ( Ptr< const MobilityModel > model )

private

Callback for when child mobility model course change occurs.

Definition at line 172 of file hierarchical-mobility-model.cc.

References ns3::MobilityModel::NotifyCourseChange().

Referenced by SetChild().

◆ DoGetPosition()

Vector ns3::HierarchicalMobilityModel::DoGetPosition ( void ) const

privatevirtual

Returns: the current position.

Concrete subclasses of this base class must implement this method.

Implements ns3::MobilityModel.

Definition at line 113 of file hierarchical-mobility-model.cc.

References ns3::MobilityModel::GetPosition(), m_child, and m_parent.

◆ DoGetVelocity()

Vector ns3::HierarchicalMobilityModel::DoGetVelocity ( void ) const

privatevirtual

Returns: the current velocity.

Concrete subclasses of this base class must implement this method.

Implements ns3::MobilityModel.

Definition at line 148 of file hierarchical-mobility-model.cc.

References ns3::MobilityModel::GetVelocity(), m_child, and m_parent.

◆ DoSetPosition()

void ns3::HierarchicalMobilityModel::DoSetPosition ( const Vector & position )

privatevirtual

Parameters

position the position to set.

Concrete subclasses of this base class must implement this method.

Implements ns3::MobilityModel.

Definition at line 126 of file hierarchical-mobility-model.cc.

References ns3::MobilityModel::GetPosition(), m_child, m_parent, and ns3::MobilityModel::SetPosition().

◆ GetChild()

Ptr< MobilityModel > ns3::HierarchicalMobilityModel::GetChild ( void ) const

Returns: the child mobility model.

This allows you to get access to the position of the child relative to its parent.

Definition at line 101 of file hierarchical-mobility-model.cc.

References m_child.

Referenced by GetTypeId().

◆ GetParent()

Ptr< MobilityModel > ns3::HierarchicalMobilityModel::GetParent ( void ) const

Returns: the parent mobility model.

This allows you to get access to the position of the parent mobility model which is used as the reference position by the child mobility model.

Definition at line 107 of file hierarchical-mobility-model.cc.

References m_parent.

Referenced by GetTypeId().

◆ GetTypeId()

TypeId ns3::HierarchicalMobilityModel::GetTypeId ( void )

static

Register this type with the TypeId system.

Returns: the object TypeId

Definition at line 28 of file hierarchical-mobility-model.cc.

References GetChild(), GetParent(), ns3::MakePointerAccessor(), SetChild(), SetParent(), and ns3::TypeId::SetParent().

◆ ParentChanged()

void ns3::HierarchicalMobilityModel::ParentChanged ( Ptr< const MobilityModel > model )

private

Callback for when parent mobility model course change occurs.

Definition at line 166 of file hierarchical-mobility-model.cc.

References ns3::MobilityModel::NotifyCourseChange().

Referenced by SetParent().

◆ SetChild()

void ns3::HierarchicalMobilityModel::SetChild ( Ptr< MobilityModel > model )

Sets the child mobility model to a new one.

If before there already existed a child model, then the child mobility model current position is also modified to ensure that the composite position is preserved.

Parameters

model new mobility model child

Definition at line 55 of file hierarchical-mobility-model.cc.

References ChildChanged(), ns3::MobilityModel::GetPosition(), m_child, ns3::MakeCallback(), ns3::MobilityModel::SetPosition(), ns3::ObjectBase::TraceConnectWithoutContext(), and ns3::ObjectBase::TraceDisconnectWithoutContext().

Referenced by GetTypeId().

◆ SetParent()

void ns3::HierarchicalMobilityModel::SetParent ( Ptr< MobilityModel > model )

Sets the parent mobility model to a new one.

If before there already existed a child model, then the child mobility model current position is also modified to ensure that the composite position is preserved.

Parameters

model new mobility model parent

Definition at line 76 of file hierarchical-mobility-model.cc.

References ns3::MobilityModel::GetPosition(), m_child, m_parent, ns3::MakeCallback(), ParentChanged(), ns3::MobilityModel::SetPosition(), ns3::ObjectBase::TraceConnectWithoutContext(), and ns3::ObjectBase::TraceDisconnectWithoutContext().

Referenced by GetTypeId().