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# openvrml::vrml97_node::plane_sensor_node Class Reference

Inheritance diagram for openvrml::vrml97_node::plane_sensor_node:

[legend]
List of all members.

## Detailed Description

The PlaneSensor node maps pointing device motion into two-dimensional translation in a plane parallel to the z = 0 plane of the local coordinate system. The PlaneSensor node uses the descendent geometry of its parent node to determine whether it is liable to generate events.

## Public Member Functions
| plane_sensor_node (const node_type &type, const boost::shared_ptr< openvrml::scope > &scope)
| Construct.
virtual | ~plane_sensor_node () throw ()
| Destroy.
virtual plane_sensor_node * | to_plane_sensor () const
| Cast to a plane_sensor_node.
void | activate (double timeStamp, bool isActive, double *p)
bool | enabled () const
| Return whether the PlaneSensor is enabled.
## Private Member Functions
virtual void | do_render_child (openvrml::viewer &viewer, rendering_context context)
| Render the node.
## Private Attributes
exposedfield< sfbool > | auto_offset_
| autoOffset exposedField.
exposedfield< sfbool > | enabled_
| enabled exposedField.
exposedfield< sfvec2f > | max_position_
| maxPosition exposedField.
exposedfield< sfvec2f > | min_position_
| minPosition exposedField.
exposedfield< sfvec3f > | offset_
| offset exposedField.
sfbool | is_active_
| isActive eventOut value.
sfbool_emitter | is_active_emitter_
| isActive eventOut emitter.
sfvec3f | track_point_changed_
| trackPoint_changed eventOut value.
sfvec3f_emitter | track_point_changed_emitter_
| trackPoint_changed eventOut emitter.
sfvec3f | translation_changed_
| translation_changed eventOut value.
sfvec3f_emitter | translation_changed_emitter_
| translation_changed eventOut emitter.
sfvec3f | activationPoint
| The point at which the PlaneSensor was activated.
mat4f | activationMatrix
| Activation matrix.
mat4f | modelview
| The modelview matrix.
## Friends
class | plane_sensor_class
| Class object for PlaneSensor instances.

## Constructor & Destructor Documentation

openvrml::vrml97_node::plane_sensor_node::plane_sensor_node | ( | const node_type & | type,
|  | const boost::shared_ptr< openvrml::scope > & | scope
| ) |

  | Construct. Parameters:
  | type | the node_type associated with the node.
  | scope | the scope to which the node belongs.

openvrml::vrml97_node::plane_sensor_node::~plane_sensor_node | ( |  | ) | throw ()`[virtual]`

| Destroy.

## Member Function Documentation

plane_sensor_node * openvrml::vrml97_node::plane_sensor_node::to_plane_sensor | ( |  | ) | const`[virtual]`

| Cast to a plane_sensor_node. Returns: a pointer to the plane_sensor_node. Reimplemented from openvrml::node.

void openvrml::vrml97_node::plane_sensor_node::activate | ( | double | timestamp,
|  | bool | isActive,
|  | double * | p
| ) |

| Todo: The local coords are computed for one instance; do we need to convert `p` to local coords for each instance (USE) of the sensor?

bool openvrml::vrml97_node::plane_sensor_node::enabled | ( |  | ) | const

| Return whether the PlaneSensor is enabled. Returns: `true` if the PlaneSensor is enabled, `false` otherwise.

void openvrml::vrml97_node::plane_sensor_node::do_render_child | ( | openvrml::viewer & | viewer,
|  | rendering_context | context
| ) | `[private, virtual]`

  | Render the node. Render a frame if there is one available. Parameters:
  | viewer | a Viewer.
  | context | a rendering context.
Reimplemented from openvrml::child_node.

## Friends And Related Function Documentation

openvrml::vrml97_node::plane_sensor_node::plane_sensor_class`[friend]`

| Class object for PlaneSensor instances.

## Member Data Documentation

exposedfield< sfbool > openvrml::vrml97_node::plane_sensor_node::auto_offset_`[private]`

| autoOffset exposedField.

exposedfield< sfbool > openvrml::vrml97_node::plane_sensor_node::enabled_`[private]`

| enabled exposedField.

exposedfield< sfvec2f > openvrml::vrml97_node::plane_sensor_node::max_position_`[private]`

| maxPosition exposedField.

exposedfield< sfvec2f > openvrml::vrml97_node::plane_sensor_node::min_position_`[private]`

| minPosition exposedField.

exposedfield< sfvec3f > openvrml::vrml97_node::plane_sensor_node::offset_`[private]`

| offset exposedField.

sfbool openvrml::vrml97_node::plane_sensor_node::is_active_`[private]`

| isActive eventOut value.

sfbool_emitter openvrml::vrml97_node::plane_sensor_node::is_active_emitter_`[private]`

| isActive eventOut emitter.

sfvec3f openvrml::vrml97_node::plane_sensor_node::track_point_changed_`[private]`

| trackPoint_changed eventOut value.

sfvec3f_emitter openvrml::vrml97_node::plane_sensor_node::track_point_changed_emitter_`[private]`

| trackPoint_changed eventOut emitter.

sfvec3f openvrml::vrml97_node::plane_sensor_node::translation_changed_`[private]`

| translation_changed eventOut value.

sfvec3f_emitter openvrml::vrml97_node::plane_sensor_node::translation_changed_emitter_`[private]`

| translation_changed eventOut emitter.

sfvec3f openvrml::vrml97_node::plane_sensor_node::activationPoint`[private]`

| The point at which the PlaneSensor was activated.

mat4f openvrml::vrml97_node::plane_sensor_node::activationMatrix`[private]`

| Activation matrix.

mat4f openvrml::vrml97_node::plane_sensor_node::modelview`[private]`

| The modelview matrix.