Definition of a structure for the allowed collision matrix. All elements in the collision world are referred to by their names. This class represents which collisions are allowed to happen and which are not. More...

#include <collision_matrix.h>

Public Member Functions
	AllowedCollisionMatrix ()

	AllowedCollisionMatrix (const std::vector< std::string > &names, bool allowed=false)
	Instantiate using a vector of names (corresponding to all the elements in the collision world). More...

	AllowedCollisionMatrix (const moveit_msgs::AllowedCollisionMatrix &msg)
	Construct the structure from a message representation. More...

	AllowedCollisionMatrix (const AllowedCollisionMatrix &acm)
	Copy constructor. More...

void	clear ()
	Clear the allowed collision matrix. More...

void	getAllEntryNames (std::vector< std::string > &names) const
	Get all the names known to the collision matrix. More...

bool	getAllowedCollision (const std::string &name1, const std::string &name2, DecideContactFn &fn) const
	Get the allowed collision predicate between two elements. Return true if a predicate for entry is included in the collision matrix (if the type is AllowedCollision::CONDITIONAL) or if one was computed from defaults. Return false if the entry is not found. Default values take precedence. If a default value is specified for either name1 or name2, that value is returned instead (if both elements have default values specified, both predicates must be satisfied). If no default values are specified, getEntry() is used to look for the pair (name1, name2). More...

bool	getAllowedCollision (const std::string &name1, const std::string &name2, AllowedCollision::Type &allowed_collision) const
	Get the type of the allowed collision between two elements. Return true if the entry is included in the collision matrix or if specified defaults were found. Return false if the entry is not found. Default values take precedence. If a default value is specified for either name1 or name2, that value is returned instead (if both elements have default values specified, AllowedCollision::NEVER takes precedence). If no default values are specified, getEntry() is used to look for the pair (name1, name2). More...

bool	getDefaultEntry (const std::string &name, AllowedCollision::Type &allowed_collision) const
	Get the type of the allowed collision between to be considered by default for an element. Return true if a default value was found for the specified element. Return false otherwise. More...

bool	getDefaultEntry (const std::string &name, DecideContactFn &fn) const
	Get the type of the allowed collision between to be considered by default for an element. Return true if a default value was found for the specified element. Return false otherwise. More...

bool	getEntry (const std::string &name1, const std::string &name2, AllowedCollision::Type &allowed_collision_type) const
	Get the type of the allowed collision between two elements. Return true if the entry is included in the collision matrix. Return false if the entry is not found. More...

bool	getEntry (const std::string &name1, const std::string &name2, DecideContactFn &fn) const
	Get the allowed collision predicate between two elements. Return true if a predicate for entry is included in the collision matrix (if the type is AllowedCollision::CONDITIONAL). Return false if the entry is not found. More...

void	getMessage (moveit_msgs::AllowedCollisionMatrix &msg) const
	Get the allowed collision matrix as a message. More...

std::size_t	getSize () const
	Get the size of the allowed collision matrix (number of specified entries) More...

bool	hasEntry (const std::string &name) const
	Check if the allowed collision matrix has an entry at all for an element. Returns true if the element is included. More...

bool	hasEntry (const std::string &name1, const std::string &name2) const
	Check if the allowed collision matrix has an entry for a pair of elements. Returns true if the pair is included. More...

void	print (std::ostream &out) const
	Print the allowed collision matrix. More...

void	removeEntry (const std::string &name1, const std::string &name2)
	Remove an entry corresponding to a pair of elements. Nothing happens if the pair does not exist in the collision matrix. More...

void	removeEntry (const std::string &name)
	Remove all entries corresponding to a name (all pairs that include this name) More...

void	setDefaultEntry (const std::string &name, bool allowed)
	Set the default value for entries that include name. If such a default value is set, queries to getAllowedCollision() that include name will return this value instead, even if a pair that includes name was previously specified with setEntry(). More...

void	setDefaultEntry (const std::string &name, const DecideContactFn &fn)
	Set the default value for entries that include name to be AllowedCollision::CONDITIONAL and specify the allowed contact predicate to be fn. If this function is called, queries to getAllowedCollision() that include name will return this value instead, even if a pair that includes name was previously specified with setEntry(). More...

void	setEntry (const std::string &name1, const std::string &name2, bool allowed)
	Set an entry corresponding to a pair of elements. More...

void	setEntry (const std::string &name1, const std::string &name2, const DecideContactFn &fn)
	Set an entry corresponding to a pair of elements. This sets the type of the entry to AllowedCollision::CONDITIONAL. More...

void	setEntry (const std::string &name, bool allowed)
	Set the entries corresponding to a name. With each of the the known names in the collision matrix, form a pair using the name specified as argument to this function and set the entry as indicated by allowed. More...

void	setEntry (const std::string &name, const std::vector< std::string > &other_names, bool allowed)
	Set multiple entries. Pairs of names are formed using name and other_names. More...

void	setEntry (const std::vector< std::string > &names1, const std::vector< std::string > &names2, bool allowed)
	Set an entry corresponding to all possible pairs between two sets of elements. More...

void	setEntry (bool allowed)
	Set an entry corresponding to all known pairs. More...

Private Attributes
std::map< std::string, std::map< std::string, DecideContactFn > >	allowed_contacts_

std::map< std::string, DecideContactFn >	default_allowed_contacts_

std::map< std::string, AllowedCollision::Type >	default_entries_

std::map< std::string, std::map< std::string, AllowedCollision::Type > >	entries_

Detailed Description

Definition of a structure for the allowed collision matrix. All elements in the collision world are referred to by their names. This class represents which collisions are allowed to happen and which are not.

Definition at line 81 of file collision_matrix.h.

Constructor & Destructor Documentation

collision_detection::AllowedCollisionMatrix::AllowedCollisionMatrix ( )

Definition at line 43 of file collision_matrix.cpp.

collision_detection::AllowedCollisionMatrix::AllowedCollisionMatrix	(	const std::vector< std::string > &	names,
		bool	allowed = `false`
	)

Instantiate using a vector of names (corresponding to all the elements in the collision world).

Parameters

names	a vector of names (corresponding to object IDs in the collision world).
allowed	If false, indicates that collisions between all elements must be checked for and no collisions will be ignored.

Definition at line 47 of file collision_matrix.cpp.

collision_detection::AllowedCollisionMatrix::AllowedCollisionMatrix ( const moveit_msgs::AllowedCollisionMatrix & msg )

Construct the structure from a message representation.

Definition at line 54 of file collision_matrix.cpp.

collision_detection::AllowedCollisionMatrix::AllowedCollisionMatrix ( const AllowedCollisionMatrix & acm )

Copy constructor.

Definition at line 76 of file collision_matrix.cpp.

Member Function Documentation

void collision_detection::AllowedCollisionMatrix::clear ( )

Clear the allowed collision matrix.

Definition at line 317 of file collision_matrix.cpp.

void collision_detection::AllowedCollisionMatrix::getAllEntryNames ( std::vector< std::string > & names ) const

Get all the names known to the collision matrix.

Definition at line 325 of file collision_matrix.cpp.

bool collision_detection::AllowedCollisionMatrix::getAllowedCollision	(	const std::string &	name1,
		const std::string &	name2,
		DecideContactFn &	fn
	)		const

Get the allowed collision predicate between two elements. Return true if a predicate for entry is included in the collision matrix (if the type is AllowedCollision::CONDITIONAL) or if one was computed from defaults. Return false if the entry is not found. Default values take precedence. If a default value is specified for either name1 or name2, that value is returned instead (if both elements have default values specified, both predicates must be satisfied). If no default values are specified, getEntry() is used to look for the pair (name1, name2).

Parameters

name1	name of first element
name2	name of second element
fn	A callback function that is used to decide if collisions are allowed between the two elements is filled here

Definition at line 264 of file collision_matrix.cpp.

bool collision_detection::AllowedCollisionMatrix::getAllowedCollision	(	const std::string &	name1,
		const std::string &	name2,
		AllowedCollision::Type &	allowed_collision
	)		const

Get the type of the allowed collision between two elements. Return true if the entry is included in the collision matrix or if specified defaults were found. Return false if the entry is not found. Default values take precedence. If a default value is specified for either name1 or name2, that value is returned instead (if both elements have default values specified, AllowedCollision::NEVER takes precedence). If no default values are specified, getEntry() is used to look for the pair (name1, name2).

Parameters

name1	name of first element
name2	name of second element
allowed_collision	The allowed collision type will be filled here

Definition at line 287 of file collision_matrix.cpp.

bool collision_detection::AllowedCollisionMatrix::getDefaultEntry	(	const std::string &	name,
		AllowedCollision::Type &	allowed_collision
	)		const

Get the type of the allowed collision between to be considered by default for an element. Return true if a default value was found for the specified element. Return false otherwise.

Parameters

name	name of the element
allowed_collision	The default allowed collision type will be filled here

Definition at line 241 of file collision_matrix.cpp.

bool collision_detection::AllowedCollisionMatrix::getDefaultEntry	(	const std::string &	name,
		DecideContactFn &	fn
	)		const

Get the type of the allowed collision between to be considered by default for an element. Return true if a default value was found for the specified element. Return false otherwise.

Parameters

name	name of the element
fn	A callback function that is used to decide if collisions are allowed between the two elements is filled here.

Definition at line 250 of file collision_matrix.cpp.

bool collision_detection::AllowedCollisionMatrix::getEntry	(	const std::string &	name1,
		const std::string &	name2,
		AllowedCollision::Type &	allowed_collision_type
	)		const

Get the type of the allowed collision between two elements. Return true if the entry is included in the collision matrix. Return false if the entry is not found.

Parameters

name1	name of first element
name2	name of second element
allowed_collision_type	The allowed collision type will be filled here

Definition at line 96 of file collision_matrix.cpp.

bool collision_detection::AllowedCollisionMatrix::getEntry	(	const std::string &	name1,
		const std::string &	name2,
		DecideContactFn &	fn
	)		const

Get the allowed collision predicate between two elements. Return true if a predicate for entry is included in the collision matrix (if the type is AllowedCollision::CONDITIONAL). Return false if the entry is not found.

Parameters

name1	name of first element
name2	name of second element
fn	A callback function that is used to decide if collisions are allowed between the two elements is filled here

Definition at line 84 of file collision_matrix.cpp.

void collision_detection::AllowedCollisionMatrix::getMessage ( moveit_msgs::AllowedCollisionMatrix & msg ) const

Get the allowed collision matrix as a message.

Definition at line 335 of file collision_matrix.cpp.

std::size_t collision_detection::AllowedCollisionMatrix::getSize ( ) const

inline

Get the size of the allowed collision matrix (number of specified entries)

Definition at line 200 of file collision_matrix.h.

bool collision_detection::AllowedCollisionMatrix::hasEntry ( const std::string & name ) const

Check if the allowed collision matrix has an entry at all for an element. Returns true if the element is included.

Parameters

name	name of the element

Definition at line 109 of file collision_matrix.cpp.

bool collision_detection::AllowedCollisionMatrix::hasEntry	(	const std::string &	name1,
		const std::string &	name2
	)		const

Check if the allowed collision matrix has an entry for a pair of elements. Returns true if the pair is included.

Parameters

name1	name of first element
name2	name of second element

Definition at line 114 of file collision_matrix.cpp.

void collision_detection::AllowedCollisionMatrix::print ( std::ostream & out ) const

Print the allowed collision matrix.

Definition at line 371 of file collision_matrix.cpp.

void collision_detection::AllowedCollisionMatrix::removeEntry	(	const std::string &	name1,
		const std::string &	name2
	)

Remove an entry corresponding to a pair of elements. Nothing happens if the pair does not exist in the collision matrix.

Parameters

name1	name of first element
name2	name of second element

Definition at line 161 of file collision_matrix.cpp.

void collision_detection::AllowedCollisionMatrix::removeEntry ( const std::string & name )

Remove all entries corresponding to a name (all pairs that include this name)

Parameters

name namespace

Definition at line 151 of file collision_matrix.cpp.

void collision_detection::AllowedCollisionMatrix::setDefaultEntry	(	const std::string &	name,
		bool	allowed
	)

Set the default value for entries that include name. If such a default value is set, queries to getAllowedCollision() that include name will return this value instead, even if a pair that includes name was previously specified with setEntry().

Parameters

name	The name of the element for which to set the default value
allowed	If false, indicates that collisions between name and any other element must be checked for and no collisions will be ignored (AllowedCollision::NEVER). If true, indicates that collisions between name and any other element are ok and an explicit collision computation is not necessary (AllowedCollision::ALWAYS).

Definition at line 228 of file collision_matrix.cpp.

void collision_detection::AllowedCollisionMatrix::setDefaultEntry	(	const std::string &	name,
		const DecideContactFn &	fn
	)

Set the default value for entries that include name to be AllowedCollision::CONDITIONAL and specify the allowed contact predicate to be fn. If this function is called, queries to getAllowedCollision() that include name will return this value instead, even if a pair that includes name was previously specified with setEntry().

Parameters

name	The name of the element for which to set the default value
fn	A callback function that is used to decide if collisions are allowed between name and some other element is expected here.

Definition at line 235 of file collision_matrix.cpp.

void collision_detection::AllowedCollisionMatrix::setEntry	(	const std::string &	name1,
		const std::string &	name2,
		bool	allowed
	)

Set an entry corresponding to a pair of elements.

Parameters

name1	name of first element
name2	name of second element
allowed	If false, indicates that collisions between two elements must be checked for and no collisions will be ignored (AllowedCollision::NEVER). If true, indicates that collisions between two elements are ok and an explicit collision computation is not necessary (AllowedCollision::ALWAYS).

Definition at line 123 of file collision_matrix.cpp.

void collision_detection::AllowedCollisionMatrix::setEntry	(	const std::string &	name1,
		const std::string &	name2,
		const DecideContactFn &	fn
	)

Set an entry corresponding to a pair of elements. This sets the type of the entry to AllowedCollision::CONDITIONAL.

Parameters

name1	name of first element
name2	name of second element
fn	A callback function that is used to decide if collisions are allowed between the two elements is expected here

Definition at line 145 of file collision_matrix.cpp.

void collision_detection::AllowedCollisionMatrix::setEntry	(	const std::string &	name,
		bool	allowed
	)

Set the entries corresponding to a name. With each of the the known names in the collision matrix, form a pair using the name specified as argument to this function and set the entry as indicated by allowed.

Parameters

name	the object name
allowed	If false, indicates that collisions between two elements must be checked for and no collisions will be ignored (AllowedCollision::NEVER). If true, indicates that collisions between two elements are ok and an explicit collision computation is not necessary (AllowedCollision::ALWAYS).

Definition at line 209 of file collision_matrix.cpp.

void collision_detection::AllowedCollisionMatrix::setEntry	(	const std::string &	name,
		const std::vector< std::string > &	other_names,
		bool	allowed
	)

Set multiple entries. Pairs of names are formed using name and other_names.

Parameters

name	name of first element
other_names	names of all other elements to pair with first element. The collision matrix entries will be set for all such pairs.
allowed	If false, indicates that collisions between two elements must be checked for and no collisions will be ignored (AllowedCollision::NEVER). If true, indicates that collisions between two elements are ok and an explicit collision computation is not necessary (AllowedCollision::ALWAYS).

Definition at line 194 of file collision_matrix.cpp.

void collision_detection::AllowedCollisionMatrix::setEntry	(	const std::vector< std::string > &	names1,
		const std::vector< std::string > &	names2,
		bool	allowed
	)

Set an entry corresponding to all possible pairs between two sets of elements.

Parameters

names1	First set of names
names2	Second set of names
allowed	If false, indicates that collisions between two elements must be checked for and no collisions will be ignored (AllowedCollision::NEVER). If true, indicates that collisions between two elements are ok and an explicit collision computation is not necessary (AllowedCollision::ALWAYS).

Definition at line 202 of file collision_matrix.cpp.

void collision_detection::AllowedCollisionMatrix::setEntry ( bool allowed )

Set an entry corresponding to all known pairs.

Parameters

allowed If false, indicates that collisions between two elements must be checked for and no collisions will be ignored (AllowedCollision::NEVER). If true, indicates that collisions between two elements are ok and an explicit collision computation is not necessary (AllowedCollision::ALWAYS).

Definition at line 220 of file collision_matrix.cpp.

Member Data Documentation

std::map<std::string, std::map<std::string, DecideContactFn> > collision_detection::AllowedCollisionMatrix::allowed_contacts_

private

Definition at line 275 of file collision_matrix.h.

std::map<std::string, DecideContactFn> collision_detection::AllowedCollisionMatrix::default_allowed_contacts_

private

Definition at line 278 of file collision_matrix.h.

std::map<std::string, AllowedCollision::Type> collision_detection::AllowedCollisionMatrix::default_entries_

private

Definition at line 277 of file collision_matrix.h.

std::map<std::string, std::map<std::string, AllowedCollision::Type> > collision_detection::AllowedCollisionMatrix::entries_

private

Definition at line 274 of file collision_matrix.h.

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

Public Member Functions

Private Attributes

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation

Member Data Documentation