openvrml::viewpoint_node Class Reference

#include <openvrml/node.h>

Inheritance diagram for openvrml::viewpoint_node:

Inheritance graph
[legend]
List of all members.

Detailed Description

Abstract base class for viewpoint nodes.


Public Member Functions

virtual ~viewpoint_node ()=0 throw ()
 Destroy.
virtual const mat4ftransformation () const=0 throw ()
 Get the transformation of the viewpoint_node in the global coordinate system.
virtual const mat4fuser_view_transform () const=0 throw ()
 Get the transformation of the user view relative to the viewpoint_node.
virtual void user_view_transform (const mat4f &transform)=0 throw ()
 Set the transformation of the user view relative to the viewpoint_node.
virtual const std::string & description () const=0 throw ()
 description accessor.
virtual float field_of_view () const=0 throw ()
 Get the field of view.

Protected Member Functions

 viewpoint_node (const node_type &type, const boost::shared_ptr< openvrml::scope > &scope) throw ()
 Construct.

Private Member Functions

virtual viewpoint_nodeto_viewpoint () throw ()
 Cast to a viewpoint_node.

Constructor & Destructor Documentation

viewpoint_node::~viewpoint_node (  )  throw () [pure virtual]

Destroy.

viewpoint_node::viewpoint_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 & viewpoint_node::transformation (  )  const throw () [pure virtual]

Get the transformation of the viewpoint_node in the global coordinate system.

Returns:
the transformation of the viewpoint_node in the global coordinate system.

const openvrml::mat4f & viewpoint_node::user_view_transform (  )  const throw () [pure virtual]

Get the transformation of the user view relative to the viewpoint_node.

Returns:
the transformation of the user view relative to the viewpoint_node.

void viewpoint_node::user_view_transform ( const mat4f transform  )  throw () [pure virtual]

Set the transformation of the user view relative to the viewpoint_node.

Parameters:
[in] transform the new transformation.

const std::string & viewpoint_node::description (  )  const throw () [pure virtual]

description accessor.

Returns:
the description.

float viewpoint_node::field_of_view (  )  const throw () [pure virtual]

Get the field of view.

Returns:
the field of view in radians.

openvrml::viewpoint_node * openvrml::viewpoint_node::to_viewpoint (  )  throw () [private, virtual]

Cast to a viewpoint_node.

Returns:
a pointer to this viewpoint_node.

Reimplemented from openvrml::node.