chai3d::cLeapDevice Class Reference

This class implements an interface to the Leap Motion tracker interface. More...

#include <CLeapDevices.h>

Inheritance diagram for chai3d::cLeapDevice:

Public Member Functions

 cLeapDevice (unsigned int a_deviceNumber=0)
 Constructor of cLeapDevice. More...
 
virtual ~cLeapDevice ()
 Destructor of cLeapDevice. More...
 
virtual bool open ()
 This method opens a connection to the device. More...
 
virtual bool close ()
 This method closes the connection to the device. More...
 
virtual bool calibrate (bool a_forceCalibration=false)
 This method calibrates the device. More...
 
virtual bool getPosition (cVector3d &a_position)
 This method returns the position of the device. More...
 
virtual bool getRotation (cMatrix3d &a_rotation)
 This method returns the orientation frame of the device end-effector. More...
 
virtual bool getGripperAngleRad (double &a_angle)
 This method returns the gripper angle in radian [rad]. More...
 
virtual bool getUserSwitches (unsigned int &a_userSwitches)
 This method returns the status of all user switches [true = ON / false = OFF]. More...
 
- Public Member Functions inherited from chai3d::cGenericHapticDevice
 cGenericHapticDevice (unsigned int a_deviceNumber=0)
 Constructor of cGenericHapticDevice. More...
 
virtual ~cGenericHapticDevice ()
 Destructor of cGenericHapticDevice. More...
 
virtual bool getLinearVelocity (cVector3d &a_linearVelocity)
 This method returns the linear velocity of the haptic device. More...
 
virtual bool getJointAnglesRad (double a_jointAnglesRad[C_MAX_DOF])
 This method returns the joint angles of the haptic device. More...
 
virtual bool getAngularVelocity (cVector3d &a_angularVelocity)
 This method returns the angular velocity of haptic device. More...
 
virtual bool getTransform (cTransform &a_transform)
 This method returns the position and orientation of the haptic device through a transformation matrix. More...
 
bool getGripperAngleDeg (double &a_angle)
 This method returns the gripper angle in degrees [deg]. More...
 
virtual bool getGripperAngularVelocity (double &a_gripperAngularVelocity)
 This method returns the angular velocity of the gripper. Units are in radians per second [rad/s]. More...
 
virtual bool getForce (cVector3d &a_force)
 This method returns the sensed force [N] from the haptic device. More...
 
virtual bool getTorque (cVector3d &a_torque)
 This method returns the sensed torque [N*m] from the haptic device. More...
 
virtual bool getGripperForce (double &a_gripperForce)
 This method returns the sensed torque [N*m] from the force gripper. More...
 
virtual bool getUserSwitch (int a_switchIndex, bool &a_status)
 This method returns the status of a selected user switch [true = ON / false = OFF]. More...
 
cHapticDeviceInfo getSpecifications ()
 This method returns the technical specifications of this haptic device. More...
 
virtual void setEnableGripperUserSwitch (const bool a_status)
 This method enables or disables the virtual gripper switch. More...
 
virtual bool getEnableGripperUserSwitch () const
 This method returns the status of the virtual gripper user switch. If true, then gripper is used to emulate a user switch. Return false otherwise. More...
 
bool setForce (const cVector3d &a_force)
 This method sends a force [N] command to the haptic device. More...
 
bool setForceAndTorque (const cVector3d &a_force, const cVector3d &a_torque)
 This method sends a force [N] and torque [N*m] command to the haptic device. More...
 
virtual bool setForceAndTorqueAndGripperForce (const cVector3d &a_force, const cVector3d &a_torque, double a_gripperForce)
 This method sends a force [N], torque [N*m], and gripper force [N] command to the haptic device. More...
 
- Public Member Functions inherited from chai3d::cGenericDevice
 cGenericDevice (unsigned int a_deviceNumber=0)
 Constructor of cGenericDevice. More...
 
virtual ~cGenericDevice ()
 Destructor of cGenericDevice. More...
 
bool isDeviceAvailable ()
 This method returns true if the device is available for communication, false otherwise. More...
 
bool isDeviceReady ()
 This method returns true if the connection to the device has been established by calling method open(), false otherwise. More...
 

Static Public Member Functions

static cLeapDevicePtr create (unsigned int a_deviceNumber=0)
 Shared cPhantomDevice allocator. More...
 
static unsigned int getNumDevices ()
 This method returns the number of haptic devices available for this class of devices. More...
 
- Static Public Member Functions inherited from chai3d::cGenericHapticDevice
static cGenericHapticDevicePtr create (unsigned int a_deviceNumber=0)
 Shared cGenericHapticDevice allocator. More...
 
static unsigned int getNumDevices ()
 This method returns the number of haptic devices available for this class of devices. More...
 
- Static Public Member Functions inherited from chai3d::cGenericDevice
static unsigned int getNumDevices ()
 This method returns the number of haptic devices available for this class of devices. More...
 

Protected Member Functions

bool updateData ()
 Update data from controllers. More...
 
- Protected Member Functions inherited from chai3d::cGenericHapticDevice
void estimateLinearVelocity (cVector3d &a_newPosition)
 Estimate linear velocity of handle by passing the latest position. More...
 
void estimateAngularVelocity (cMatrix3d &a_newRotation)
 Estimate angular velocity of handle by passing the latest orientation frame. More...
 
void estimateGripperVelocity (double a_newGripperPosition)
 Estimate velocity of gripper by passing the latest gripper position. More...
 
double computeGripperUserSwitchForce (const double &a_gripperAngle, const double &a_gripperAngularVelocity)
 This method computes the virtual gripper force. More...
 
bool getGripperUserSwitch ()
 This method returns the status of gripper user switch. Return true if virtual user switch is engaged, __false_ otherwise. More...
 

Static Protected Member Functions

static bool openLibraries ()
 This method opens the libraries for this class of devices. More...
 
static bool closeLibraries ()
 This method closes the libraries for this class of devices. More...
 
- Static Protected Member Functions inherited from chai3d::cGenericHapticDevice
static bool openLibraries ()
 This method opens libraries for this class of devices. More...
 
static bool closeLibraries ()
 This method closes libraries for this class of devices. More...
 
- Static Protected Member Functions inherited from chai3d::cGenericDevice
static bool openLibraries ()
 This method opens libraries for this class of devices. More...
 
static bool closeLibraries ()
 This method closes libraries for this class of devices. More...
 

Static Protected Attributes

static unsigned int s_libraryCounter
 Number of instances for this class of devices currently using the libraries. More...
 

Additional Inherited Members

- Public Attributes inherited from chai3d::cGenericHapticDevice
cHapticDeviceInfo m_specifications
 Technical specifications of haptic device. More...
 
- Protected Attributes inherited from chai3d::cGenericHapticDevice
cVector3d m_prevForce
 Last force sent to haptic device. More...
 
cVector3d m_prevTorque
 Last torque sent to haptic device. More...
 
double m_prevGripperForce
 Last gripper force sent to haptic device. More...
 
cVector3d m_linearVelocity
 Last estimated linear velocity. More...
 
cVector3d m_angularVelocity
 Last estimated angular velocity. More...
 
double m_gripperAngularVelocity
 Last estimated gripper angular velocity. More...
 
cTimestampPos m_historyPos [C_DEVICE_HISTORY_SIZE]
 History position data of the device. More...
 
cTimestampRot m_historyRot [C_DEVICE_HISTORY_SIZE]
 History orientation data of the device. More...
 
cTimestampValue m_historyGripper [C_DEVICE_HISTORY_SIZE]
 History position of device gripper. More...
 
int m_indexHistoryPos
 Current index position in history data table. More...
 
int m_indexHistoryRot
 Current index position in history data table. More...
 
int m_indexHistoryGripper
 Current index position in history data table. More...
 
int m_indexHistoryPosWin
 Last index position used to compute velocity. More...
 
int m_indexHistoryRotWin
 Last index position used to compute velocity. More...
 
int m_indexHistoryGripperWin
 Last index position used to compute velocity. More...
 
double m_linearVelocityWindowSize
 Window time interval for measuring linear velocity. More...
 
double m_angularVelocityWindowSize
 Window time interval for measuring angular velocity. More...
 
double m_gripperVelocityWindowSize
 Window time interval for measuring gripper velocity. More...
 
cPrecisionClock m_clockGeneral
 General clock used to compute velocity signals. More...
 
bool m_gripperUserSwitchEnabled
 If true then virtual gripper user switch is enabled. More...
 
double m_gripperUserSwitchAngleStart
 Position of the gripper when the user encounters the virtual switch. More...
 
double m_gripperUserSwitchAngleClick
 Position of the gripper when the virtual switch is enabled and the "click" occurs. More...
 
double m_gripperUserSwitchForceClick
 Maximum force level at the force gripper when the "click" occurs. More...
 
double m_gripperUserSwitchForceEngaged
 Force level when the gripper is completely closed after the "click" event has occurred. More...
 
double m_virtualGripperAngle
 Virtual gripper current angle in radians [rad]. More...
 
double m_virtualGripperAngleMin
 Virtual gripper minimum angle in radians [rad]. More...
 
double m_virtualGripperAngleMax
 Virtual gripper maximum angle in radians [rad]. More...
 
double m_virtualGripperAngularVelocity
 Virtual speed value used for simulating the opening and closing of the virtual gripper [rad/s]. More...
 
cPrecisionClock m_virtualGripperClock
 Clock for computing the position/velocity of the virtual gripper. More...
 
- Protected Attributes inherited from chai3d::cGenericDevice
bool m_deviceAvailable
 Flag that indicates if the device is available to the computer. More...
 
bool m_deviceReady
 Flag that indicates if connection to device was opened successfully by calling method open(). More...
 
int m_deviceNumber
 Device number ID for this category of devices. Value must be equal or bigger than 0. A value of __-1__ means that the ID has not yet been defined. More...
 

Detailed Description

This class implements an interface to the Leap Motion tracker interface.

Constructor & Destructor Documentation

chai3d::cLeapDevice::cLeapDevice ( unsigned int  a_deviceNumber = 0)

Constructor of cLeapDevice.

chai3d::cLeapDevice::~cLeapDevice ( )
virtual

Destructor of cLeapDevice.

Member Function Documentation

static cLeapDevicePtr chai3d::cLeapDevice::create ( unsigned int  a_deviceNumber = 0)
inlinestatic
bool chai3d::cLeapDevice::open ( )
virtual

This method opens a connection to the device.

Returns
true if the operation succeeds, false otherwise.

Reimplemented from chai3d::cGenericHapticDevice.

bool chai3d::cLeapDevice::close ( )
virtual

This methods closes the connection to the device.

Returns
true if the operation succeeds, false otherwise.

Reimplemented from chai3d::cGenericHapticDevice.

bool chai3d::cLeapDevice::calibrate ( bool  a_forceCalibration = false)
virtual

This method calibrates the device.

Parameters
a_forceCalibrationEnforce calibration.
Returns
true if the operation succeeds, false otherwise.

Reimplemented from chai3d::cGenericHapticDevice.

bool chai3d::cLeapDevice::getPosition ( cVector3d a_position)
virtual

This method returns the position of the device. Units are meters [m].

Parameters
a_positionReturn value.
Returns
true if the operation succeeds, false otherwise.

Reimplemented from chai3d::cGenericHapticDevice.

bool chai3d::cLeapDevice::getRotation ( cMatrix3d a_rotation)
virtual

This method returns the orientation frame of the device end-effector.

Parameters
a_rotationReturn value.
Returns
true if the operation succeeds, false otherwise.

Reimplemented from chai3d::cGenericHapticDevice.

bool chai3d::cLeapDevice::getGripperAngleRad ( double &  a_angle)
virtual

This method returns the gripper angle in radian [rad].

Parameters
a_angleReturn value.
Returns
true if the operation succeeds, false otherwise.

Reimplemented from chai3d::cGenericHapticDevice.

bool chai3d::cLeapDevice::getUserSwitches ( unsigned int &  a_userSwitches)
virtual

This method returns the status of all user switches [true = ON / false = OFF].

Parameters
a_userSwitchesReturn the 32-bit binary mask of the device buttons.
Returns
true if the operation succeeds, false otherwise.

Reimplemented from chai3d::cGenericHapticDevice.

unsigned int chai3d::cLeapDevice::getNumDevices ( )
static

This method returns the number of devices available for this class of device.

Returns
Number of available haptic devices.
bool chai3d::cLeapDevice::openLibraries ( )
staticprotected

This method open the libraries for this class of devices.

Returns
true if the operation succeeds, false otherwise.
bool chai3d::cLeapDevice::closeLibraries ( )
staticprotected

This method close the libraries for this class of devices.

Returns
true if the operation succeeds, false otherwise.
bool chai3d::cLeapDevice::updateData ( )
protected

Update data from controllers.

Returns
true if the operation succeeds, false otherwise.

Member Data Documentation

unsigned int chai3d::cLeapDevice::s_libraryCounter
staticprotected

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