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Eyetracker
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Eyetracker
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Public Member Functions | |
| __init__ (self, connection) | |
| set_connection (self, connection) | |
| get_push (self) | |
| get_heartbeatinterval (self) | |
| get_version (self) | |
| get_trackerstate (self) | |
| get_framerate (self) | |
| get_iscalibrated (self) | |
| get_iscalibrating (self) | |
| get_calibresult (self) | |
| get_frame (self) | |
| get_screenindex (self) | |
| get_screenresw (self) | |
| get_screenresh (self) | |
| get_screenpsyw (self) | |
| get_screenpsyh (self) | |
| set_push (self, push=None) | |
| set_version (self, version) | |
| set_screenindex (self, index) | |
| set_screenresw (self, width) | |
| set_screenresh (self, height) | |
| set_screenpsyw (self, width) | |
| set_screenpsyh (self, height) | |
Public Attributes | |
| connection = connection | |
| bool | push = True |
class for SDK Tracker state and information related requests
| pygaze._eyetracker.pytribe.tracker.__init__ | ( | self, | |
| connection ) |
Initializes a tracker instance
arguments
connection -- a pytribe.connection instance for the currently
attached EyeTribe tracker
| pygaze._eyetracker.pytribe.tracker.get_calibresult | ( | self | ) |
Gets the latest valid calibration result
returns
WITHOUT CALIBRATION:
None
WITH CALIBRATION:
calibresults -- a dict containing the calibration results:
{ 'result': Boolean indicating whether the
calibration was succesful
'deg': float indicating the average error
in degrees of visual angle
'Ldeg': float indicating the left eye
error in degrees of visual angle
'Rdeg': float indicating the right eye
error in degrees of visual angle
'calibpoints': list, containing a dict for
each calibration point:
{'state': integer indicating
the state of the
calibration point
(0 means no useful
data has been
obtained and the
point should be
resampled; 1 means
the data is of
questionable
quality, consider
resampling; 2 means
the data is ok)
'cpx': x coordinate of the
calibration point
'cpy': y coordinate of the
calibration point
'mecpx': mean estimated x
coordinate of the
calibration point
'mecpy': mean estimated y
coordinate of the
calibration point
'acd': float indicating
the accuracy in
degrees of visual
angle
'Lacd': float indicating
the accuracy in
degrees of visual
angle (left eye)
'Racd': float indicating
the accuracy in
degrees of visual
angle (right eye)
'mepix': mean error in
pixels
'Lmepix': mean error in
pixels (left eye)
'Rmepix': mean error in
pixels (right eye)
'asdp': standard deviation
in pixels
'Lasdp': standard deviation
in pixels (left eye)
'Rasdp': standard deviation
in pixels (right eye)
}
}
| pygaze._eyetracker.pytribe.tracker.get_frame | ( | self | ) |
Returns the latest frame data (dict)
{ 'timestamp': string time representation,
'time': integer timestamp in milliseconds,
'fix': Boolean indicating whether there is a fixation,
'state': integer 32bit masked tracker state,
'rawx': integer raw x gaze coordinate in pixels,
'rawy': integer raw y gaze coordinate in pixels,
'avgx': integer smoothed x gaze coordinate in pixels,
'avgx': integer smoothed y gaze coordinate in pixels,
'psize': float average pupil size,
'Lrawx': integer raw x left eye gaze coordinate in pixels,
'Lrawy': integer raw y left eye gaze coordinate in pixels,
'Lavgx': integer smoothed x left eye gaze coordinate in pixels,
'Lavgx': integer smoothed y left eye gaze coordinate in pixels,
'Lpsize': float left eye pupil size,
'Lpupilx': integer raw left eye pupil centre x coordinate,
'Lpupily': integer raw left eye pupil centre y coordinate,
'Rrawx': integer raw x right eye gaze coordinate in pixels,
'Rrawy': integer raw y right eye gaze coordinate in pixels,
'Ravgx': integer smoothed x right eye gaze coordinate in pixels,
'Ravgx': integer smoothed y right eye gaze coordinate in pixels,
'Rpsize': float right eye pupil size,
'Rpupilx': integer raw right eye pupil centre x coordinate,
'Rpupily': integer raw right eye pupil centre y coordinate
}
| pygaze._eyetracker.pytribe.tracker.get_framerate | ( | self | ) |
Returns the frame rate that the tracker is running at (integer)
| pygaze._eyetracker.pytribe.tracker.get_heartbeatinterval | ( | self | ) |
Returns the expected heartbeat interval in milliseconds
(integer)
| pygaze._eyetracker.pytribe.tracker.get_iscalibrated | ( | self | ) |
Indicates whether there is a calibration (Boolean)
| pygaze._eyetracker.pytribe.tracker.get_iscalibrating | ( | self | ) |
Indicates whether the tracker is in calibration mode (Boolean)
| pygaze._eyetracker.pytribe.tracker.get_push | ( | self | ) |
Returns a Booleam reflecting the state: True for push mode,
False for pull mode (Boolean)
| pygaze._eyetracker.pytribe.tracker.get_screenindex | ( | self | ) |
Returns the screen index number in a multi screen setup (integer)
| pygaze._eyetracker.pytribe.tracker.get_screenpsyh | ( | self | ) |
Returns the physical screen height in meters (float)
| pygaze._eyetracker.pytribe.tracker.get_screenpsyw | ( | self | ) |
Returns the physical screen width in meters (float)
| pygaze._eyetracker.pytribe.tracker.get_screenresh | ( | self | ) |
Returns the screen resolution height in pixels (integer)
| pygaze._eyetracker.pytribe.tracker.get_screenresw | ( | self | ) |
Returns the screen resolution width in pixels (integer)
| pygaze._eyetracker.pytribe.tracker.get_trackerstate | ( | self | ) |
Returns the state of the physcial tracker (integer):
0: TRACKER_CONNECTED
tracker is detected and working
1: TRACKER_NOT_CONNECTED
tracker device is not connected
2: TRACKER_CONNECTED_BADFW
tracker device is connected, but not working due to
bad firmware
3: TRACKER_CONNECTED_NOUSB3
tracker device is connected, but not working due to
unsupported USB host
4: TRACKER_CONNECTED_NOSTREAM
tracker device is connected, but no stream could be
received
| pygaze._eyetracker.pytribe.tracker.get_version | ( | self | ) |
Returns the version number (integer)
| pygaze._eyetracker.pytribe.tracker.set_connection | ( | self, | |
| connection ) |
Set a new connection
arguments
connection -- a pytribe.connection instance for the currently
attached EyeTribe tracker
| pygaze._eyetracker.pytribe.tracker.set_push | ( | self, | |
| push = None ) |
Toggles the push state, or sets the state to the passed value
keyword arguments
push -- Boolean indicating the state: True for push,
False for pull
None to toggle current
returns
state -- Boolean indicating the push state
| pygaze._eyetracker.pytribe.tracker.set_screenindex | ( | self, | |
| index ) |
Set the screen index
arguments
index -- integer value indicating the index number of the
screen that is to be used with the tracker
| pygaze._eyetracker.pytribe.tracker.set_screenpsyh | ( | self, | |
| height ) |
Set the physical height of the screen
arguments
width -- float value indicating the physical screen height in
metres
| pygaze._eyetracker.pytribe.tracker.set_screenpsyw | ( | self, | |
| width ) |
Set the physical width of the screen
arguments
width -- float value indicating the physical screen width in
metres
| pygaze._eyetracker.pytribe.tracker.set_screenresh | ( | self, | |
| height ) |
Set the screen resolution height
arguments
height -- integer value indicating the screen resolution height
in pixels
| pygaze._eyetracker.pytribe.tracker.set_screenresw | ( | self, | |
| width ) |
Set the screen resolution width
arguments
width -- integer value indicating the screen resolution width
in pixels
| pygaze._eyetracker.pytribe.tracker.set_version | ( | self, | |
| version ) |
Set the protocol version
arguments
version -- integer version number
| pygaze._eyetracker.pytribe.tracker.connection = connection |
| bool pygaze._eyetracker.pytribe.tracker.push = True |
1.13.2