Abstract base class for transform nodes. More...

#include <openvrml/node.h>

Inheritance diagram for openvrml::transform_node:

Public Member Functions
virtual	~transform_node ()=0 throw ()
	Destroy. More...

const mat4f &	transform () const throw ()
	Get the transformation associated with the `node` as a matrix. More...

Public Member Functions inherited from openvrml::grouping_node
virtual	~grouping_node ()=0 throw ()
	Destroy. More...

const std::vector < boost::intrusive_ptr< node > >	children () const throw ( std::bad_alloc )
	Get the children in the scene graph. More...

void	activate_pointing_device_sensors (double timestamp, bool over, bool active, const double(&p)[3])
	Called in response to user interaction to activate any child pointing device sensor nodes. More...

Public Member Functions inherited from openvrml::child_node
virtual	~child_node ()=0 throw ()
	Destructor. More...

void	relocate () throw ( std::bad_alloc )
	Called when the node is relocated to a new position in the scene graph. More...

void	render_child (viewer &v, rendering_context context)
	Render the node. More...

Public Member Functions inherited from openvrml::bounded_volume_node
virtual	~bounded_volume_node () throw ()
	Destroy. More...

const openvrml::bounding_volume &	bounding_volume () const
	Get this node's bounding volume. More...

Public Member Functions inherited from openvrml::node
virtual	~node ()=0 throw ()
	Destructor. More...

void	add_ref () const throw ()
	Increment the reference count. More...

void	remove_ref () const throw ()
	Decrement the reference count. More...

void	release () const throw ()
	Decrement the reference count; destroy the instance if the count drops to zero. More...

size_t	use_count () const throw ()
	The number of owning references to the instance. More...

const node_type &	type () const throw ()
	The type information object for the `node`. More...

const std::string &	id () const throw ()
	Retrieve the name of this `node`. More...

void	id (const std::string &node_id) throw ( std::bad_alloc )
	Set the name of the `node`. More...

const openvrml::scope &	scope () const throw ()
	Get the `scope` to which the `node` belongs. More...

openvrml::scene *	scene () const throw ()
	Get the `scene` with which the `node` is associated. More...

const std::vector < boost::intrusive_ptr< node > > &	impl_nodes () const throw ()
	Get the implementation nodes of a `PROTO` instance. More...

std::ostream &	print (std::ostream &out, size_t indent) const
	Pretty print. More...

void	initialize (openvrml::scene &scene, double timestamp) throw ( std::bad_alloc )
	Initialize the node. More...

std::auto_ptr< field_value >	field (const std::string &id) const throw ( unsupported_interface , std::bad_alloc )
	Generalized field accessor. More...

openvrml::event_listener &	event_listener (const std::string &id) throw ( unsupported_interface )
	Get an event listener. More...

openvrml::event_emitter &	event_emitter (const std::string &id) throw ( unsupported_interface )
	Get an event emitter. More...

void	shutdown (double timestamp) throw ()
	Shut down the node. More...

bool	modified () const throw ( boost::thread_resource_error )
	Determine whether the `node` has been modified. More...

void	modified (bool value) throw ( boost::thread_resource_error )
	Set the modified flag. More...

Protected Member Functions
	transform_node (const node_type &type, const boost::shared_ptr< openvrml::scope > &scope) throw ()
	Construct. More...

Protected Member Functions inherited from openvrml::grouping_node
	grouping_node (const node_type &type, const boost::shared_ptr< openvrml::scope > &scope) throw ()
	Construct. More...

Protected Member Functions inherited from openvrml::child_node
	child_node (const node_type &type, const boost::shared_ptr< openvrml::scope > &scope) throw ()
	Constructor. More...

Protected Member Functions inherited from openvrml::bounded_volume_node
	bounded_volume_node (const node_type &type, const boost::shared_ptr< openvrml::scope > &scope) throw ()
	Construct. More...

void	bounding_volume_dirty (bool value)
	Set whether the node's bounding volume needs to be recalculated. More...

bool	bounding_volume_dirty () const
	Whether the node's bounding volume needs to be recalculated. More...

virtual const openvrml::bounding_volume &	do_bounding_volume () const
	Called by `bounding_volume`. More...

Protected Member Functions inherited from openvrml::node
	node (const node_type &type, const boost::shared_ptr< openvrml::scope > &scope) throw ()
	Construct. More...

boost::shared_mutex &	scene_mutex ()
	The `scene` mutex. More...

Private Member Functions
virtual transform_node *	to_transform () throw ()
	Cast to a `transform_node`. More...

virtual const mat4f &	do_transform () const =0 throw ()
	Get the transformation associated with the `node` as a matrix. More...

Additional Inherited Members
Static Public Attributes inherited from openvrml::node
static const boost::intrusive_ptr< node >	self_tag
	Special value used when initializing a `script_node`. More...

Static Protected Member Functions inherited from openvrml::node
static void	emit_event (openvrml::event_emitter &emitter, double timestamp) throw ( std::bad_alloc )
	Emit an event. More...

Related Functions inherited from openvrml::node
To *	node_cast (node *n)
	Downcast a `node` to one of the abstract `node` types. More...

void	intrusive_ptr_add_ref (const node *n)
	Increment the reference count. More...

void	intrusive_ptr_release (const node *n)
	Decrement the reference count. More...

bool	is_proto_instance (const node &n)
	Check whether a `node` is a `PROTO` instance. More...

Detailed Description

Abstract base class for transform nodes.

Constructor & Destructor Documentation

openvrml::transform_node::~transform_node	(	)
throw	(
	)

pure virtual

Destroy.

openvrml::transform_node::transform_node	(	const node_type &	type,
		const boost::shared_ptr< openvrml::scope > &	scope
	)
throw	(
	)

protected

Construct.

Parameters

[in]	type	the `node_type` associated with the `node`.
[in]	scope	the `scope` the `node` belongs to.

Member Function Documentation

const openvrml::mat4f & openvrml::transform_node::transform	(	)	const
throw	(
	)

Get the transformation associated with the node as a matrix.

This function delegates to do_transform.

Returns: the transformation associated with the node.

openvrml::transform_node * openvrml::transform_node::to_transform	(	)
throw	(
	)

privatevirtual

Cast to a transform_node.

Returns: a pointer to this transform_node.

Reimplemented from openvrml::node.

const openvrml::mat4f & openvrml::transform_node::do_transform	(	)	const
throw	(
	)

privatepure virtual

Get the transformation associated with the node as a matrix.

Returns: the transformation associated with the node.

Public Member Functions

Protected Member Functions

Private Member Functions

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation