LayerView< T > Struct Template Reference

Typed layer view storing one T value per NavCel. More...

#include <NavMap.hpp>

Inheritance diagram for LayerView< T >:

Collaboration diagram for LayerView< T >:

Public Member Functions
std::vector< T > &	data ()
const std::vector< T > &	data () const
	LayerView (std::string name, size_t nitems, LayerType t)
	Construct a typed view.
const std::string &	name () const override
size_t	size () const override
LayerType	type () const override
Element access (indexed by NavCelId).
T &	operator[] (NavCelId cid)
const T &	operator[] (NavCelId cid) const
Layer hashing & access
std::vector< T > &	mutable_data () const
void	set_data (const std::vector< T > &v)
std::uint64_t	content_hash () const override
	Return 64-bit content hash (cached; recomputed lazily).
std::shared_ptr< LayerViewBase >	clone () const override
	Independent copy of this layer (data, name, type, cached hash and pending changes).
Public Member Functions inherited from LayerViewBase
bool	all_changed () const noexcept
	Whether the whole layer changed (then changed() is not meaningful).
const std::vector< NavCelId > &	changed () const noexcept
	Cells changed one by one since the last clear_changes(), in order of first change.
void	clear_changes () const
	Forget the recorded changes (call it once every consumer has seen them).
bool	has_changes () const noexcept
void	mark_all_changed () const noexcept
	Record that the whole layer changed.
void	mark_changed (NavCelId cid) const
	Record that cell cid changed (deduplicated).
void	mark_dirty () const noexcept
	Mark content dirty (forces hash recompute on next query).
virtual	~LayerViewBase ()=default

Public Attributes
std::vector< T >	data_
	Values, one per NavCel.
std::string	name_
	Layer name (key in the registry).
LayerType	type_
	Runtime type tag (must match T).

Additional Inherited Members
Protected Attributes inherited from LayerViewBase
bool	all_changed_ {true}
std::vector< NavCelId >	changed_
std::vector< std::uint64_t >	changed_bits_
std::uint64_t	hash_cache_ {0}
bool	hash_dirty_ {true}

Detailed Description

template<typename T>
struct navmap::LayerView< T >

Typed layer view storing one T value per NavCel.

Template Parameters

T	Scalar type (uint8_t, float, double).

Note

Elements are indexed by navmap::NavCelId.

Constructor & Destructor Documentation

LayerView()

template<typename T>

LayerView	(	std::string	name,
		size_t	nitems,
		LayerType	t )

Construct a typed view.

Parameters

name	Layer name.
nitems	Number of NavCels.
t	Runtime type tag corresponding to T.

Member Function Documentation

clone()

template<typename T>

std::shared_ptr< LayerViewBase > clone ( ) const

overridevirtual

Independent copy of this layer (data, name, type, cached hash and pending changes).

Implements LayerViewBase.

content_hash()

template<typename T>

std::uint64_t content_hash ( ) const

overridevirtual

Return 64-bit content hash (cached; recomputed lazily).

Implements LayerViewBase.

data() [1/2]

template<typename T>

std::vector< T > & data

(

)

Returns

Mutable reference to internal storage.

data() [2/2]

template<typename T>

const std::vector< T > & data

(

)

const

Returns

Const reference to internal storage.

mutable_data()

template<typename T>

std::vector< T > & mutable_data

(

)

const

name()

template<typename T>

const std::string & name ( ) const

overridevirtual

Returns

Layer name (unique within the registry).

Implements LayerViewBase.

operator[]() [1/2]

template<typename T>

T & operator[]

(

NavCelId

cid

)

operator[]() [2/2]

template<typename T>

const T & operator[]

(

NavCelId

cid

)

const

set_data()

template<typename T>

void set_data

(

const std::vector< T > &

v

)

size()

template<typename T>

size_t size ( ) const

overridevirtual

Returns

Number of items (= number of NavCels).

Implements LayerViewBase.

type()

template<typename T>

LayerType type ( ) const

overridevirtual

Returns

Type tag of the underlying storage.

Implements LayerViewBase.

Member Data Documentation

data_

template<typename T>

std::vector<T> data_

Values, one per NavCel.

name_

template<typename T>

std::string name_

Layer name (key in the registry).

type_

template<typename T>

LayerType type_

Runtime type tag (must match T).

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

• navmap_core/include/navmap_core/NavMap.hpp