def __init__(self, display, filename="TEST.EDF"):
EyeLink.__init__(self)
self._disp = display
self._filename = filename
self.openDataFile(filename)
self._surfs = [0,0,1920,1080]#self._disp.get_rect()
pylink.flushGetkeyQueue()
col = 128
print "1"
pylink.setCalibrationColors((0, 0, 0), (col, col, col)) #Sets the calibration target and background color
print int(self._surfs[3]/300)
# pylink.setTargetSize(int(self._surfs[2]/70), int(self._surfs[3]/300)) #select best size for calibration target
print "12"
pylink.setCalibrationSounds("off", "off", "off")
pylink.setDriftCorrectSounds("off", "off", "off")
self.sendCommand("screen_pixel_coords = 0 0 %d %d" % (self._surfs[2], self._surfs[3]))
self.sendMessage("DISPLAY_COORDS 0 0 %d %d" % (self._surfs[2], self._surfs[3]))
#self.sendMessage("heuristic_filter" % (self._surfs[2], self._surfs[3]))
#assert self.getTrackerVersion() == 2
self.sendCommand("select_parser_configuration 0")
self.setFileEventFilter("LEFT,RIGHT,FIXATION,SACCADE,BLINK,MESSAGE,BUTTON")
self.setFileSampleFilter("LEFT,RIGHT,GAZE,AREA,GAZERES,STATUS")
self.setLinkEventFilter("LEFT,RIGHT,FIXATION,SACCADE,BLINK,BUTTON")
self.setLinkSampleFilter("LEFT,RIGHT,GAZE,GAZERES,AREA,STATUS")
print "2"
self.sendCommand("button_function 5 'accept_target_fixation'")
def _trackerCreate(self):
"""Helper method not directly called in EyeScript scripts in general
configures the Eyelink eyetracker
"""
try:
self.tracker = pylink.EyeLink()
except (RuntimeError,AttributeError):
self.tracker = EyetrackerStub()
#This tells the tracker to use VisionEgg to display Eyelink graphics
#including calibration points, camera images, etc.
self.eyelinkGraphics = EyeLinkCoreGraphicsVE(self.screen,self.tracker)
pylink.openGraphicsEx(self.eyelinkGraphics)
self.eyelinkGraphics.setCalibrationColors(self['color'],self['bgcolor'])
for key,value in self.iteritems():
command = key.split('_',1)
if len(command) > 1 and command[0] == 'tracker':
getattr(self.tracker,command[1])(value)
if self['heuristic_filter'] == 'off': self.tracker.setHeuristicFilterOff()
else: self.tracker.setHeuristicFilterOn()
#Set whether beeps should be played during drift correction
pylink.setDriftCorrectSounds(*self['setDriftCorrectSounds'])
# open the datafile on the operator pc
if self['subject'] > 0: self.tracker.openDataFile(self.edffile)
self.tracker.sendCommand("screen_pixel_coords = 0 0 %d %d"%(self['screen_size']))
def _init_calibration(self):
# Sets the calibration target and background color
pylink.setCalibrationColors((0, 0, 0), (255, 255, 255))
# select best size for calibration target
pylink.setTargetSize(self.screenRect.width / 70,
self.screenRect.width / 300)
pylink.setCalibrationSounds("off", "off", "off")
pylink.setDriftCorrectSounds("off", "off", "off")
def setup_eyelink(self):
'''Thank you very much
'''
# call for eyelink
self.eyelink_tracker = pl.EyeLink("100.1.1.1")
#parameters for eyelink
self.monitor = monitors.Monitor('testMonitor')
self.winSize = self.monitor.getSizePix()
self.foreground = (250,250,250)
self.background = (127,127,127)
# create file
self.edfFileName = "cbConfig" + str(self.subjectID)
if len(self.edfFileName) > 8:
self.edfFileName = self.edfFileName[0:8]
pl.getEYELINK().openDataFile(self.edfFileName)
pl.getEYELINK().setOfflineMode()
#Eyelink - Gets the display surface and sends a mesage to EDF file;
pl.getEYELINK().sendCommand("screen_pixel_coords = 0 0 %d %d"%(self.winSize[0]-1, self.winSize[1]-1))
pl.getEYELINK().sendMessage("Resolution %d %d" %((self.winSize[0]-1, self.winSize[1]-1)))
pl.getEYELINK().sendMessage("EyeToScreen %d" %(self.monitor.getDistance()))
pl.getEYELINK().sendMessage("MonitorWidth %d" %(self.monitor.getWidth()))
#EyeLink - Set data file contents
pl.getEYELINK().sendCommand("file_sample_data = LEFT,RIGHT,GAZE,AREA,GAZERES,STATUS,HTARGET,INPUT")
pl.getEYELINK().sendCommand("link_sample_data = LEFT,RIGHT,GAZE,GAZERES,AREA,STATUS,HTARGET,INPUT")
#EyeLink - Set Filter contents
pl.getEYELINK().sendCommand("file_event_filter = LEFT,RIGHT,FIXATION,SACCADE,BLINK,MESSAGE,BUTTON,INPUT")
pl.getEYELINK().sendCommand("link_event_filter = LEFT,RIGHT,FIXATION,SACCADE,BLINK,BUTTON,INPUT")
#EyeLink - Set Calibration Environment
pl.setCalibrationColors(self.foreground, self.background); #Sets the calibration target and background color - background color should match testing background
pl.flushGetkeyQueue()
pl.getEYELINK().setOfflineMode()
winX = int(self.winSize[0])
winY = int(self.winSize[1])
pl.openGraphics((winX,winY),32)
pl.getEYELINK().doTrackerSetup()
pl.closeGraphics()
pl.setCalibrationSounds("", "", "");
pl.setDriftCorrectSounds("", "off", "off");
# close configuration file
event.clearEvents()
pl.getEYELINK().closeDataFile()
transferFileName = self.edfFileName + '.edf' # fileName
pl.getEYELINK().receiveDataFile(self.edfFileName, transferFileName)
def eyeTrkCalib(self, colordepth=32):
"""
callibration. not used?
@param colordepth - color depth of display (why?)
"""
sp = self.sp
pl.openGraphics(sp, colordepth)
pl.setCalibrationColors((255, 255, 255), (0, 0, 0))
pl.setTargetSize(int(sp[0] / 70), int(sp[1] / 300))
pl.setCalibrationSounds("", "", "")
pl.setDriftCorrectSounds("", "off", "off")
self.el.doTrackerSetup()
pl.closeGraphics()
def eyeTrkCalib (el=el,dr=dr,cd=cd):
# "opens the graphics if the display mode is not set"
pl.openGraphics(dr,cd)
pl.setCalibrationColors((255,255,255),(0,177,177))
pl.setTargetSize(10, 5)
pl.setCalibrationSounds("","","")
el.setCalibrationType('H3')
pl.setDriftCorrectSounds("","off","off")
el.disableAutoCalibration()
el.doTrackerSetup()
el.drawCalTarget(calTarg1)
el.drawCalTarget(calTarg2)
el.drawCalTarget(calTarg3)
pl.closeGraphics()
el.setOfflineMode()
def eyeTrkCalib (el,dr,cd):
# "opens the graphics if the display mode is not set"
pl.openGraphics(dr,cd)
pl.setCalibrationColors((255,255,255),(0,177,177))
pl.setTargetSize(10, 5)
pl.setCalibrationSounds("","","")
el.setCalibrationType('H3')
pl.setDriftCorrectSounds("","off","off")
el.disableAutoCalibration()
el.doTrackerSetup()
el.drawCalTarget(calTarg1)
el.drawCalTarget(calTarg2)
el.drawCalTarget(calTarg3)
pl.closeGraphics()
el.setOfflineMode()
def __init__(self,
win,
clock,
sj="TEST",
saccadeSensitivity=HIGH,
calibrationType='HV9',
calibrationTargetColor=WHITE,
calibrationBgColor=BLACK,
CalibrationSounds=False,
screen=(1024, 768)):
'''win: psychopy visual window used for the experiment
clock: psychopy time clock recording time for whole experiment
sj: Subject identifier string (affects EDF filename)
saccadeSensitivity:
HIGH: Pursuit and neurological work
LOW: Cognitive research
calibrationType:
H3: Horizontal 3-point
HV3: 3-point calibration, poor linearization
HV5: 5-point calibration, poor at corners
HV9: 9-point calibration, best overall
calibrationTargetColor and calibrationBgColor:
RGB tuple, i.e., (255,0,0) for Red
One of: BLACK, WHITE, GRAY
calibrationSounds:
True: enable feedback sounds when calibrating'''
self.edfFileName = str(
sj) + ".EDF" # Subject name only can put 8 characters
print("Connecting to eyetracker.")
self.tracker = pylink.EyeLink()
self.timeCorrection = clock.getTime() - self.tracker.trackerTime()
print("Loading custom graphics")
#Initializes Experiment Graphics
genv = EyeLinkCoreGraphicsPsychopy(self.tracker, win, screen)
pylink.openGraphicsEx(genv)
# opendatafile
self.tracker.openDataFile(self.edfFileName)
#EyeLink Tracker Configuration
pylink.flushGetkeyQueue()
# Initializes the key queue used by getkey(). It may be called at any time to get rid any of old keys from the queue.
self.tracker.setOfflineMode()
#Places EyeLink tracker in off-line (idle) mode. Wait till the tracker has finished the mode transition
self.tracker.sendCommand("screen_pixel_coords = 0 0 %d %d" %
(tuple(screen)))
self.tracker.setCalibrationType(calibrationType)
self.tracker.sendCommand(
"driftcorrect_cr_disable=OFF"
) #CF - OFF: turns on drift CORRECT; AUTO: Turns on drift CHECK; ON: Turns off both
#self.tracker.sendCommand("generate_default_targets = NO")
#self.tracker.sendCommand("calibration_targets = 512,384 512,417 512,351 402,384 622,384 402,417 622,417 402,351 622,351")
#self.tracker.sendCommand("validation_targets = 512,384 512,417 512,351 402,384 622,384 402,417 622,417 402,351 622,351")
self.tracker.sendMessage("DISPLAY_COORDS 0 0 %d %d" % (tuple(screen)))
eyelink_ver = self.tracker.getTrackerVersion()
if eyelink_ver == 3:
tvstr = self.tracker.getTrackerVersionString()
vindex = tvstr.find("EYELINK CL")
tracker_software_ver = int(
float(tvstr[(vindex + len("EYELINK CL")):].strip()))
else:
tracker_software_ver = 0
if eyelink_ver >= 2:
self.tracker.sendCommand("select_parser_configuration %d" %
saccadeSensitivity)
else:
if saccadeSensitivity == HIGH: svt, sat = 22, 5000
else: svt, sat = 30, 9500
self.tracker.sendCommand("saccade_velocity_threshold = %d" % svt)
self.tracker.sendCommand("saccade_acceleration_threshold = %d" %
sat)
if eyelink_ver == 2: #turn off scenelink camera stuff
self.tracker.sendCommand("scene_camera_gazemap = NO")
# set EDF file contents
self.tracker.setFileEventFilter(
"LEFT,RIGHT,FIXATION,SACCADE,BLINK,MESSAGE,BUTTON")
if tracker_software_ver >= 4:
self.tracker.setFileSampleFilter(
"LEFT,RIGHT,GAZE,AREA,GAZERES,STATUS,HTARGET")
else:
self.tracker.setFileSampleFilter(
"LEFT,RIGHT,GAZE,AREA,GAZERES,STATUS")
# set link data (used for gaze cursor)
self.tracker.setLinkEventFilter(
"LEFT,RIGHT,FIXATION,SACCADE,BLINK,BUTTON")
if tracker_software_ver >= 4:
self.tracker.setLinkSampleFilter(
"LEFT,RIGHT,GAZE,GAZERES,AREA,STATUS,HTARGET")
else:
self.tracker.setLinkSampleFilter(
"LEFT,RIGHT,GAZE,GAZERES,AREA,STATUS")
#self.tracker.setAcceptTargetFixationButton(1) # This programs a specific button for use in drift correction.
#Set the calibration settings:
#pylink.setCalibrationColors(WHITE, BLACK) # Sets the calibration target and background color(foreground_color, background_color)
if CalibrationSounds:
pylink.setCalibrationSounds("", "", "")
pylink.setDriftCorrectSounds("", "off", "off")
else:
pylink.setCalibrationSounds("off", "off", "off")
pylink.setDriftCorrectSounds("off", "off", "off")
print("Beginning tracker setup")
self.tracker.doTrackerSetup()
def eyelinkChildFunction(
qTo
, qFrom
, windowSize = [200,200]
, windowPosition = [0,0]
, stimDisplayRes = [1920,1080]
, calibrationDisplaySize = [1920,1080]
, calibrationDotSize = 10
, eyelinkIp = '100.1.1.1'
, edfFileName = 'temp.edf'
, edfPath = './_Data/temp.edf'
, saccadeSoundFile = '_Stimuli/stop.wav'
, blinkSoundFile = '_Stimuli/stop.wav'
):
import sdl2
import sdl2.ext
import math
import OpenGL.GL as gl
import sdl2.sdlmixer
import pylink
import numpy
import sys
import shutil
import subprocess
import time
import os
import array
from PIL import Image
from PIL import ImageDraw
try:
import appnope
appnope.nope()
except:
pass
byteify = lambda x, enc: x.encode(enc)
sdl2.SDL_Init(sdl2.SDL_INIT_VIDEO)
window = sdl2.ext.Window("eyelink",size=windowSize,position=windowPosition,flags=sdl2.SDL_WINDOW_SHOWN)
windowID = sdl2.SDL_GetWindowID(window.window)
windowSurf = sdl2.SDL_GetWindowSurface(window.window)
sdl2.ext.fill(windowSurf.contents,sdl2.pixels.SDL_Color(r=0, g=0, b=0, a=255))
window.refresh()
for i in range(10):
sdl2.SDL_PumpEvents() #to show the windows
sdl2.SDL_Init(sdl2.SDL_INIT_AUDIO)
sdl2.sdlmixer.Mix_OpenAudio(44100, sdl2.sdlmixer.MIX_DEFAULT_FORMAT, 2, 1024)
class Sound:
def __init__(self, fileName):
self.sample = sdl2.sdlmixer.Mix_LoadWAV(sdl2.ext.compat.byteify(fileName, "utf-8"))
self.started = False
def play(self):
self.channel = sdl2.sdlmixer.Mix_PlayChannel(-1, self.sample, 0)
self.started = True
def stillPlaying(self):
if self.started:
if sdl2.sdlmixer.Mix_Playing(self.channel):
return True
else:
self.started = False
return False
else:
return False
saccadeSound = Sound(saccadeSoundFile)
blinkSound = Sound(blinkSoundFile)
def exitSafely():
if 'eyelink' in locals():
if eyelink.isRecording()==0:
eyelink.stopRecording()
eyelink.setOfflineMode()
eyelink.closeDataFile()
eyelink.receiveDataFile(edfFileName,'temp.edf')
eyelink.close()
if os.path.isfile('temp.edf'):
shutil.move('temp.edf', edfPath)
# if os.path.isfile(edfPath):
# subprocess.call('./edf2asc -y ./'+edfPath,shell=True)
sys.exit() #process gets hung here if called when showing images from eyelink
pylink.setDriftCorrectSounds('off','off','off')
pylink.setCalibrationSounds('off','off','off')
edfPath = './_Data/temp.edf' #temporary default location, to be changed later when ID is established
done = False
while not done:
try:
# print '\neyelink: Attempting to connect to eyelink (check that wifi is off!)'
eyelink = pylink.EyeLink(eyelinkIp)
done = True
except:
while not qTo.empty():
message = qTo.get()
if message=='quit':
exitSafely()
else:
qTo.put(message)
# print 'eyelink: connected'
eyelink.sendCommand('select_parser_configuration 0')# 0--> standard (cognitive); 1--> sensitive (psychophysical)
# eyelink.sendCommand('sample_rate 500')
eyelink.setLinkEventFilter("SACCADE,BLINK,FIXATION,LEFT,RIGHT")
eyelink.openDataFile(edfFileName)
eyelink.sendCommand("screen_pixel_coords = %d %d %d %d" %(stimDisplayRes[0]/2 - calibrationDisplaySize[0]/2 , stimDisplayRes[1]/2 - calibrationDisplaySize[1]/2 , stimDisplayRes[0]/2 + calibrationDisplaySize[0]/2 , stimDisplayRes[1]/2 + calibrationDisplaySize[1]/2 ))
eyelink.sendMessage("DISPLAY_COORDS 0 0 %d %d" %(stimDisplayRes[0],stimDisplayRes[1]))
eyelink.sendCommand("saccade_velocity_threshold = 60")
eyelink.sendCommand("saccade_acceleration_threshold = 19500")
class EyeLinkCoreGraphicsPySDL2(pylink.EyeLinkCustomDisplay):
def __init__(self):
# self.__target_beep__ = Sound('_Stimuli/type.wav')
# self.__target_beep__done__ = Sound('qbeep.wav')
# self.__target_beep__error__ = Sound('error.wav')
if sys.byteorder == 'little':
self.byteorder = 1
else:
self.byteorder = 0
self.imagebuffer = array.array('I')
self.pal = None
self.__img__ = None
def record_abort_hide(self):
pass
def play_beep(self,beepid):
pass
# if beepid == pylink.DC_TARG_BEEP or beepid == pylink.CAL_TARG_BEEP:
# self.__target_beep__.play()
# elif beepid == pylink.CAL_ERR_BEEP or beepid == pylink.DC_ERR_BEEP:
# self.__target_beep__error__.play()
# else:# CAL_GOOD_BEEP or DC_GOOD_BEEP
# self.__target_beep__done__.play()
def clear_cal_display(self):
# # print 'clear_cal_display'
qFrom.put('clearCalDisplay')
def setup_cal_display(self):
# # print 'setup_cal_display'
qFrom.put('setupCalDisplay')
def exit_cal_display(self):
# # print 'exit_cal_display'
qFrom.put('exitCalDisplay')
def erase_cal_target(self):
# # print 'erase_cal_target'
qFrom.put('eraseCalTarget')
def draw_cal_target(self, x, y):
# # print 'draw_cal_target'
qFrom.put(['drawCalTarget',x,y])
def setup_image_display(self, width, height):
# # print 'eyelink: setup_image_display'
self.img_size = (width,height)
return(0)
def exit_image_display(self):
# # print 'eyelink: exit_image_display'
pass
def image_title(self,text):
# # print 'eyelink: image_title'
pass
def set_image_palette(self, r,g,b):
# # print 'eyelink: set_image_palette'
self.imagebuffer = array.array('I')
sz = len(r)
i = 0
self.pal = []
while i < sz:
rf = int(b[i])
gf = int(g[i])
bf = int(r[i])
if self.byteorder:
self.pal.append((rf<<16) | (gf<<8) | (bf))
else:
self.pal.append((bf<<24) | (gf<<16) | (rf<<8)) #for mac
i = i+1
def draw_image_line(self, width, line, totlines,buff):
# # print 'eyelink: draw_image_line'
i = 0
while i < width:
if buff[i]>=len(self.pal):
buff[i] = len(self.pal)-1
self.imagebuffer.append(self.pal[buff[i]&0x000000FF])
i = i+1
if line == totlines:
img = Image.fromstring('RGBX', (width,totlines), self.imagebuffer.tostring())
img = img.convert('RGBA')
self.__img__ = img.copy()
self.__draw__ = ImageDraw.Draw(self.__img__)
self.draw_cross_hair() #inherited method, calls draw_line and draw_losenge
qFrom.put(['image',numpy.array(self.__img__.resize([self.__img__.size[0]*4,self.__img__.size[1]*4],Image.BICUBIC))])
self.__img__ = None
self.__draw__ = None
self.imagebuffer = array.array('I')
def getColorFromIndex(self,colorindex):
if colorindex == pylink.CR_HAIR_COLOR: return (255,255,255,255)
elif colorindex == pylink.PUPIL_HAIR_COLOR: return (255,255,255,255)
elif colorindex == pylink.PUPIL_BOX_COLOR: return (0,255,0,255)
elif colorindex == pylink.SEARCH_LIMIT_BOX_COLOR: return (255,0,0,255)
elif colorindex == pylink.MOUSE_CURSOR_COLOR: return (255,0,0,255)
else: return (0,0,0,0)
def draw_line(self,x1,y1,x2,y2,colorindex):
# # print 'eyelink: draw_line'
if x1<0: x1 = 0
if x2<0: x2 = 0
if y1<0: y1 = 0
if y2<0: y2 = 0
if x1>self.img_size[0]: x1 = self.img_size[0]
if x2>self.img_size[0]: x2 = self.img_size[0]
if y1>self.img_size[1]: y1 = self.img_size[1]
if y2>self.img_size[1]: y2 = self.img_size[1]
imr = self.__img__.size
x1 = int((float(x1)/float(self.img_size[0]))*imr[0])
x2 = int((float(x2)/float(self.img_size[0]))*imr[0])
y1 = int((float(y1)/float(self.img_size[1]))*imr[1])
y2 = int((float(y2)/float(self.img_size[1]))*imr[1])
color = self.getColorFromIndex(colorindex)
self.__draw__.line( [(x1,y1),(x2,y2)] , fill=color)
return 0
def draw_lozenge(self,x,y,width,height,colorindex):
# # print 'eyelink: draw_lozenge'
color = self.getColorFromIndex(colorindex)
imr = self.__img__.size
x=int((float(x)/float(self.img_size[0]))*imr[0])
width=int((float(width)/float(self.img_size[0]))*imr[0])
y=int((float(y)/float(self.img_size[1]))*imr[1])
height=int((float(height)/float(self.img_size[1]))*imr[1])
if width>height:
rad = height/2
self.__draw__.line([(x+rad,y),(x+width-rad,y)],fill=color)
self.__draw__.line([(x+rad,y+height),(x+width-rad,y+height)],fill=color)
clip = (x,y,x+height,y+height)
self.__draw__.arc(clip,90,270,fill=color)
clip = ((x+width-height),y,x+width,y+height)
self.__draw__.arc(clip,270,90,fill=color)
else:
rad = width/2
self.__draw__.line([(x,y+rad),(x,y+height-rad)],fill=color)
self.__draw__.line([(x+width,y+rad),(x+width,y+height-rad)],fill=color)
clip = (x,y,x+width,y+width)
self.__draw__.arc(clip,180,360,fill=color)
clip = (x,y+height-width,x+width,y+height)
self.__draw__.arc(clip,360,180,fill=color)
return 0
def get_mouse_state(self):
# pos = pygame.mouse.get_pos()
# state = pygame.mouse.get_pressed()
# return (pos,state[0])
pass
def get_input_key(self):
ky=[]
while not qTo.empty():
message = qTo.get()
# print 'eyelink: '
# print message
if message=='button':
ky.append(pylink.KeyInput(32,0)) #button translated to space keypress (for drift correct)
# if message=='quit':
# # print 'received message to exit'
# exitSafely()
# el
elif message[0]=='keycode':
keysym = message[1]
keycode = keysym.sym
if keycode == sdl2.SDLK_F1: keycode = pylink.F1_KEY
elif keycode == sdl2.SDLK_F2: keycode = pylink.F2_KEY
elif keycode == sdl2.SDLK_F3: keycode = pylink.F3_KEY
elif keycode == sdl2.SDLK_F4: keycode = pylink.F4_KEY
elif keycode == sdl2.SDLK_F5: keycode = pylink.F5_KEY
elif keycode == sdl2.SDLK_F6: keycode = pylink.F6_KEY
elif keycode == sdl2.SDLK_F7: keycode = pylink.F7_KEY
elif keycode == sdl2.SDLK_F8: keycode = pylink.F8_KEY
elif keycode == sdl2.SDLK_F9: keycode = pylink.F9_KEY
elif keycode == sdl2.SDLK_F10: keycode = pylink.F10_KEY
elif keycode == sdl2.SDLK_PAGEUP: keycode = pylink.PAGE_UP
elif keycode == sdl2.SDLK_PAGEDOWN: keycode = pylink.PAGE_DOWN
elif keycode == sdl2.SDLK_UP: keycode = pylink.CURS_UP
elif keycode == sdl2.SDLK_DOWN: keycode = pylink.CURS_DOWN
elif keycode == sdl2.SDLK_LEFT: keycode = pylink.CURS_LEFT
elif keycode == sdl2.SDLK_RIGHT: keycode = pylink.CURS_RIGHT
elif keycode == sdl2.SDLK_BACKSPACE: keycode = ord('\b')
elif keycode == sdl2.SDLK_RETURN: keycode = pylink.ENTER_KEY
elif keycode == sdl2.SDLK_ESCAPE: keycode = pylink.ESC_KEY
elif keycode == sdl2.SDLK_TAB: keycode = ord('\t')
elif keycode == pylink.JUNK_KEY: keycode = 0
ky.append(pylink.KeyInput(keycode,keysym.mod))
return ky
customDisplay = EyeLinkCoreGraphicsPySDL2()
pylink.openGraphicsEx(customDisplay)
newGazeTarget = False
gazeTarget = numpy.array(calibrationDisplaySize)/2.0
gazeTargetCriterion = calibrationDotSize
doSounds = False
reportSaccades = False
reportBlinks = False
lastMessageTime = time.time()
lastStartBlinkTime = time.time()
while True:
sdl2.SDL_PumpEvents()
for event in sdl2.ext.get_events():
if event.type==sdl2.SDL_WINDOWEVENT:
if (event.window.event==sdl2.SDL_WINDOWEVENT_CLOSE):
exitSafely()
if not qTo.empty():
message = qTo.get()
if message=='quit':
exitSafely()
elif message[0]=='edfPath':
edfPath = message[1]
elif message[0]=='doSounds':
doSounds = message[1]
elif message[0]=='reportSaccades':
reportSaccades = message[1]
elif message[0]=='reportBlinks':
reportBlinks = message[1]
elif message[0]=='sendMessage':
eyelink.sendMessage(message[1])
elif message[0]=='doDriftCorrect':
# print 'eyelink: drift correct requested'
if eyelink.isRecording()==0:
eyelink.stopRecording()
try:
location = message[1]
error = eyelink.doDriftCorrect(location[0],location[1],0,1)
# print error
# print 'eyelink: drift correct attempted'
if error != 27:
qFrom.put('driftCorrectComplete')
else:
qFrom.put('doCalibration')
except:
qFrom.put('doCalibration')
elif message=='startRecording':
# print 'eyelink: received message to begin recording'
eyelink.startRecording(1,1,1,1) #this retuns immediately takes 10-30ms to actually kick in on the tracker
while not (eyelink.isRecording()==0):
pass
# print eyelink.isRecording()
qFrom.put('recordingStarted')
elif message[0]=='newGazeTarget':
# # print message
newGazeTarget = True
gazeTarget = numpy.array(message[1])
gazeTargetCriterion = numpy.array(message[2])
# # print message
# # print 'waiting for gaze confirmation'
elif message[0]=='acceptTrigger':
eyelink.accept_trigger()
elif message=='doCalibration':
doSounds = False
if eyelink.isRecording()==0:
eyelink.stopRecording()
eyelink.doTrackerSetup()
# # print 'calComplete'
qFrom.put('calibrationComplete')
if eyelink.isRecording()==0: #stupid, I know, but eyelink.isRecording() returns 0 if it *is* indeed recording!
eyeData = eyelink.getNextData()
# if eyeData==pylink.SAMPLE_TYPE:
# eyeSample = eyelink.getFloatData()
# gaze = None
# if eyeSample.isRightSample():
# gaze = eyeSample.getRightEye().getGaze()
# elif eyeSample.isLeftSample():
# gaze = eyeSample.getLeftEye().getGaze()
# if gaze!=None:
# if gaze[0]!=-32768.0:
# gazeDistFromGazeTarget = numpy.linalg.norm(numpy.array(gaze)-gazeTarget)
# if newGazeTarget:
# if gazeDistFromGazeTarget<gazeTargetCriterion:
# # print ['gazeTargetMet',gaze,gazeTargetCriterion,gazeTarget,gazeDistFromGazeTarget]
# qFrom.put(['gazeTargetMet',gazeTarget])
# newGazeTarget = False
# else:
# qFrom.put(['gazeTargetNotMet',gazeTarget])
# # print ['gazeTargetNotMet',gaze,gazeTarget,gazeDistFromGazeTarget,gazeTargetCriterion]
if eyeData==pylink.ENDSACC:
eyeSample = eyelink.getFloatData()
gazeStartTime = eyeSample.getStartTime()
gazeStart = eyeSample.getStartGaze()
gazeEnd = eyeSample.getEndGaze()
# # print ['eyelink: saccade',gazeStart,gazeEnd]
if (gazeStart[0]!=-32768.0) & (gazeEnd[0]!=-32768.0):
gazeDistFromGazeTarget = numpy.linalg.norm(numpy.array(gazeEnd)-gazeTarget)
if gazeDistFromGazeTarget<1000:
if newGazeTarget:
# # print [gazeDistFromGazeTarget,gazeTargetCriterion,gazeTarget,gazeEnd]
if gazeDistFromGazeTarget<gazeTargetCriterion:
# # print ['gazeTargetMet',gazeEnd,gazeTargetCriterion,gazeTarget,gazeDistFromGazeTarget]
qFrom.put(['gazeTargetMet',gazeTarget,gazeStartTime])
newGazeTarget = False
# # print 'gazeTargetMet'
elif gazeDistFromGazeTarget>gazeTargetCriterion:
if reportSaccades:
qFrom.put(['gazeTargetLost',gazeTarget])
# # print ['gazeTargetLost',gazeTarget]
if (not saccadeSound.stillPlaying()) and (not blinkSound.stillPlaying()):
if doSounds:
saccadeSound.play()
elif eyeData==pylink.STARTBLINK:
# lastStartBlinkTime = time.time()
# elif eyeData==pylink.ENDBLINK:
# if (time.time()-lastStartBlinkTime)>.1:
if reportBlinks:
qFrom.put('blink')
# # print 'eyelink: blink'
if (not saccadeSound.stillPlaying()) and (not blinkSound.stillPlaying()):
if doSounds:
#blinkSound.play()
qFrom.put('blink')
def __init__(self, win, clock, sj = "TEST", autoCalibration=True,
saccadeSensitivity = HIGH, calibrationType = 'HV9',
calibrationTargetColor = WHITE,
calibrationBgColor = BLACK, CalibrationSounds = False
):
'''
win: psychopy visual window used for the experiment
clock: psychopy time clock recording time for whole experiment
sj: Subject identifier string (affects EDF filename)
autoCalibration:
True: enable auto-pacing during calibration
saccadeSensitivity:
HIGH: Pursuit and neurological work
LOW: Cognitive research
calibrationType:
H3: Horizontal 3-point
HV3: 3-point calibration, poor linearization
HV5: 5-point calibration, poor at corners
HV9: 9-point calibration, best overall
calibrationTargetColor and calibrationBgColor:
RGB tuple, i.e., (255,0,0) for Red
One of: BLACK, WHITE, GRAY
calibrationSounds:
True: enable feedback sounds when calibrating
'''
self.edfFileName = str(sj)+".EDF"
print(self.edfFileName)
inf = info.RunTimeInfo("J","1",win, refreshTest=None,
userProcsDetailed=False)
self.screenSize = inf['windowSize_pix']
self.units = inf['windowUnits']
self.monitorName = inf['windowMonitor.name']
monitor = monitors.Monitor(self.monitorName)
print("Connecting to eyetracker.")
self.tracker = pylink.EyeLink()
self.timeCorrection = clock.getTime() - self.tracker.trackerTime()
print("Loading custom graphics")
genv = EyeLinkCoreGraphicsPsychopy(self.tracker, win, self.screenSize)
self.tracker.openDataFile(self.edfFileName)
pylink.flushGetkeyQueue();
self.tracker.setOfflineMode();
self.tracker.sendCommand("screen_pixel_coords = 0 0 %d %d"
%( tuple(self.screenSize) ))
self.tracker.setCalibrationType(calibrationType)
self.tracker.sendMessage("DISPLAY_COORDS 0 0 %d %d"
%( tuple(self.screenSize) ))
eyelink_ver = self.tracker.getTrackerVersion()
if eyelink_ver == 3:
tvstr = self.tracker.getTrackerVersionString()
vindex = tvstr.find("EYELINK CL")
tracker_software_ver = int(float(tvstr[(vindex + len("EYELINK CL")):].strip()))
else: tracker_software_ver = 0
if eyelink_ver>=2:
self.tracker.sendCommand("select_parser_configuration %d" %saccadeSensitivity)
else:
if saccadeSensitivity == HIGH:
svt, sat = 22, 5000
else: svt, sat = 30, 9500
self.tracker.sendCommand("saccade_velocity_threshold = %d" %svt)
self.tracker.sendCommand("saccade_acceleration_threshold = %d" %sat)
if eyelink_ver == 2: #turn off scenelink camera stuff
self.tracker.sendCommand("scene_camera_gazemap = NO")
# set EDF file contents
self.tracker.sendCommand("file_event_filter = LEFT,RIGHT,FIXATION,SACCADE,BLINK,MESSAGE,BUTTON")
if tracker_software_ver>=4:
self.tracker.sendCommand("file_sample_data = LEFT,RIGHT,GAZE,AREA,GAZERES,STATUS,HTARGET")
else:
self.tracker.sendCommand("file_sample_data = LEFT,RIGHT,GAZE,AREA,GAZERES,STATUS")
# set link data (used for gaze cursor)
self.tracker.sendCommand("link_event_filter = LEFT,RIGHT,FIXATION,SACCADE,BLINK,BUTTON")
if tracker_software_ver>=4:
self.tracker.sendCommand("link_sample_data = LEFT,RIGHT,GAZE,GAZERES,AREA,STATUS,HTARGET")
else:
self.tracker.sendCommand("link_sample_data = LEFT,RIGHT,GAZE,GAZERES,AREA,STATUS")
#Set the calibration settings:
pylink.setCalibrationColors( calibrationTargetColor, calibrationBgColor)
if CalibrationSounds:
pylink.setCalibrationSounds("", "", "")
pylink.setDriftCorrectSounds("", "off", "off")
else:
pylink.setCalibrationSounds("off", "off", "off")
pylink.setDriftCorrectSounds("off", "off", "off")
if autoCalibration:
self.tracker.enableAutoCalibration
else: self.tracker.disableAutoCalibration
win.flip()
print("Opening graphics")
pylink.openGraphicsEx(genv)
print("Begining tracker setup")
self.tracker.doTrackerSetup()
win.flip()
else:
getEYELINK().sendCommand("saccade_velocity_threshold = 35")
getEYELINK().sendCommand("saccade_acceleration_threshold = 9500")
getEYELINK().setFileEventFilter(
"LEFT,RIGHT,FIXATION,SACCADE,BLINK,MESSAGE,BUTTON")
getEYELINK().setFileSampleFilter("LEFT,RIGHT,GAZE,AREA,GAZERES,STATUS")
getEYELINK().setLinkEventFilter("LEFT,RIGHT,FIXATION,SACCADE,BLINK,BUTTON")
getEYELINK().setLinkSampleFilter("LEFT,RIGHT,GAZE,GAZERES,AREA,STATUS")
EYELINK.sendCommand("pupil_size_diameter = True")
pylink.setCalibrationColors(
(255, 255, 255),
(0, 0, 0)) # Sets the calibration target and background color
pylink.setTargetSize(int(w / 70), int(w / 300))
# select best size for calibration target
pylink.setCalibrationSounds("", "", "")
pylink.setDriftCorrectSounds("", "off", "off")
if getEYELINK().isConnected() and not getEYELINK().breakPressed():
print('连接成功')
getEYELINK().doTrackerSetup()
while True:
try:
error = getEYELINK().doDriftCorrect(w // 2, h // 2, 1, 1)
if error != 27:
break
else:
getEYELINK().doTrackerSetup()
except:
getEYELINK().doTrackerSetup()
else:
print('NO')
def __init__(self, win, clock, sj = "TEST", saccadeSensitivity = HIGH, calibrationType = 'HV9',calibrationTargetColor = WHITE,calibrationBgColor = BLACK, CalibrationSounds = False,screen=(1024,768)):
'''win: psychopy visual window used for the experiment
clock: psychopy time clock recording time for whole experiment
sj: Subject identifier string (affects EDF filename)
saccadeSensitivity:
HIGH: Pursuit and neurological work
LOW: Cognitive research
calibrationType:
H3: Horizontal 3-point
HV3: 3-point calibration, poor linearization
HV5: 5-point calibration, poor at corners
HV9: 9-point calibration, best overall
calibrationTargetColor and calibrationBgColor:
RGB tuple, i.e., (255,0,0) for Red
One of: BLACK, WHITE, GRAY
calibrationSounds:
True: enable feedback sounds when calibrating'''
self.edfFileName = str(sj)+".EDF" # Subject name only can put 8 characters
print("Connecting to eyetracker.")
self.tracker = pylink.EyeLink()
self.timeCorrection = clock.getTime() - self.tracker.trackerTime()
print("Loading custom graphics")
#Initializes Experiment Graphics
genv = EyeLinkCoreGraphicsPsychopy(self.tracker, win, screen)
pylink.openGraphicsEx(genv)
# opendatafile
self.tracker.openDataFile(self.edfFileName)
#EyeLink Tracker Configuration
pylink.flushGetkeyQueue();# Initializes the key queue used by getkey(). It may be called at any time to get rid any of old keys from the queue.
self.tracker.setOfflineMode();#Places EyeLink tracker in off-line (idle) mode. Wait till the tracker has finished the mode transition
self.tracker.sendCommand("screen_pixel_coords = 0 0 %d %d"%( tuple(screen) ))
self.tracker.setCalibrationType(calibrationType)
self.tracker.sendCommand("driftcorrect_cr_disable=OFF") #CF - OFF: turns on drift CORRECT; AUTO: Turns on drift CHECK; ON: Turns off both
#self.tracker.sendCommand("generate_default_targets = NO")
#self.tracker.sendCommand("calibration_targets = 512,384 512,417 512,351 402,384 622,384 402,417 622,417 402,351 622,351")
#self.tracker.sendCommand("validation_targets = 512,384 512,417 512,351 402,384 622,384 402,417 622,417 402,351 622,351")
self.tracker.sendMessage("DISPLAY_COORDS 0 0 %d %d"%( tuple(screen) ))
eyelink_ver = self.tracker.getTrackerVersion()
if eyelink_ver == 3:
tvstr = self.tracker.getTrackerVersionString()
vindex = tvstr.find("EYELINK CL")
tracker_software_ver = int(float(tvstr[(vindex + len("EYELINK CL")):].strip()))
else: tracker_software_ver = 0
if eyelink_ver>=2:
self.tracker.sendCommand("select_parser_configuration %d" %saccadeSensitivity)
else:
if saccadeSensitivity == HIGH:svt, sat = 22, 5000
else: svt, sat = 30, 9500
self.tracker.sendCommand("saccade_velocity_threshold = %d" %svt)
self.tracker.sendCommand("saccade_acceleration_threshold = %d" %sat)
if eyelink_ver == 2: #turn off scenelink camera stuff
self.tracker.sendCommand("scene_camera_gazemap = NO")
# set EDF file contents
self.tracker.setFileEventFilter("LEFT,RIGHT,FIXATION,SACCADE,BLINK,MESSAGE,BUTTON")
if tracker_software_ver>=4:self.tracker.setFileSampleFilter("LEFT,RIGHT,GAZE,AREA,GAZERES,STATUS,HTARGET")
else:self.tracker.setFileSampleFilter("LEFT,RIGHT,GAZE,AREA,GAZERES,STATUS")
# set link data (used for gaze cursor)
self.tracker.setLinkEventFilter("LEFT,RIGHT,FIXATION,SACCADE,BLINK,BUTTON")
if tracker_software_ver>=4:self.tracker.setLinkSampleFilter("LEFT,RIGHT,GAZE,GAZERES,AREA,STATUS,HTARGET")
else:self.tracker.setLinkSampleFilter("LEFT,RIGHT,GAZE,GAZERES,AREA,STATUS")
#self.tracker.setAcceptTargetFixationButton(1) # This programs a specific button for use in drift correction.
#Set the calibration settings:
#pylink.setCalibrationColors(WHITE, BLACK) # Sets the calibration target and background color(foreground_color, background_color)
if CalibrationSounds:
pylink.setCalibrationSounds("", "", "")
pylink.setDriftCorrectSounds("", "off", "off")
else:
pylink.setCalibrationSounds("off", "off", "off")
pylink.setDriftCorrectSounds("off", "off", "off")
print("Beginning tracker setup")
self.tracker.doTrackerSetup()
def eyelinkChildFunction(qTo,
qFrom,
windowSize=[200, 200],
windowPosition=[0, 0],
stimDisplayRes=[1920, 1080],
calibrationDisplaySize=[1920, 1080],
calibrationDotSize=10,
eyelinkIp='100.1.1.1',
edfFileName='temp.edf',
edfPath='./_Data/temp.edf',
saccadeSoundFile='_Stimuli/stop.wav',
blinkSoundFile='_Stimuli/stop.wav'):
import sdl2
import sdl2.ext
import math
import OpenGL.GL as gl
import sdl2.sdlmixer
import pylink
import numpy
import sys
import shutil
import subprocess
import time
import os
import array
from PIL import Image
from PIL import ImageDraw
try:
import appnope
appnope.nope()
except:
pass
byteify = lambda x, enc: x.encode(enc)
sdl2.SDL_Init(sdl2.SDL_INIT_VIDEO)
window = sdl2.ext.Window("eyelink",
size=windowSize,
position=windowPosition,
flags=sdl2.SDL_WINDOW_SHOWN)
windowID = sdl2.SDL_GetWindowID(window.window)
windowSurf = sdl2.SDL_GetWindowSurface(window.window)
sdl2.ext.fill(windowSurf.contents,
sdl2.pixels.SDL_Color(r=0, g=0, b=0, a=255))
window.refresh()
for i in range(10):
sdl2.SDL_PumpEvents() #to show the windows
sdl2.SDL_Init(sdl2.SDL_INIT_AUDIO)
sdl2.sdlmixer.Mix_OpenAudio(44100, sdl2.sdlmixer.MIX_DEFAULT_FORMAT, 2,
1024)
class Sound:
def __init__(self, fileName):
self.sample = sdl2.sdlmixer.Mix_LoadWAV(
sdl2.ext.compat.byteify(fileName, "utf-8"))
self.started = False
def play(self):
self.channel = sdl2.sdlmixer.Mix_PlayChannel(-1, self.sample, 0)
self.started = True
def stillPlaying(self):
if self.started:
if sdl2.sdlmixer.Mix_Playing(self.channel):
return True
else:
self.started = False
return False
else:
return False
saccadeSound = Sound(saccadeSoundFile)
blinkSound = Sound(blinkSoundFile)
def exitSafely():
if 'eyelink' in locals():
if eyelink.isRecording() == 0:
eyelink.stopRecording()
eyelink.setOfflineMode()
eyelink.closeDataFile()
eyelink.receiveDataFile(edfFileName, 'temp.edf')
eyelink.close()
if os.path.isfile('temp.edf'):
shutil.move('temp.edf', edfPath)
# if os.path.isfile(edfPath):
# subprocess.call('./edf2asc -y ./'+edfPath,shell=True)
sys.exit(
) #process gets hung here if called when showing images from eyelink
pylink.setDriftCorrectSounds('off', 'off', 'off')
pylink.setCalibrationSounds('off', 'off', 'off')
edfPath = './_Data/temp.edf' #temporary default location, to be changed later when ID is established
done = False
while not done:
try:
# print '\neyelink: Attempting to connect to eyelink (check that wifi is off!)'
eyelink = pylink.EyeLink(eyelinkIp)
done = True
except:
while not qTo.empty():
message = qTo.get()
if message == 'quit':
exitSafely()
else:
qTo.put(message)
# print 'eyelink: connected'
eyelink.sendCommand(
'select_parser_configuration 0'
) # 0--> standard (cognitive); 1--> sensitive (psychophysical)
# eyelink.sendCommand('sample_rate 500')
eyelink.setLinkEventFilter("SACCADE,BLINK,FIXATION,LEFT,RIGHT")
eyelink.openDataFile(edfFileName)
eyelink.sendCommand(
"screen_pixel_coords = %d %d %d %d" %
(stimDisplayRes[0] / 2 - calibrationDisplaySize[0] / 2,
stimDisplayRes[1] / 2 - calibrationDisplaySize[1] / 2,
stimDisplayRes[0] / 2 + calibrationDisplaySize[0] / 2,
stimDisplayRes[1] / 2 + calibrationDisplaySize[1] / 2))
eyelink.sendMessage("DISPLAY_COORDS 0 0 %d %d" %
(stimDisplayRes[0], stimDisplayRes[1]))
eyelink.sendCommand("saccade_velocity_threshold = 60")
eyelink.sendCommand("saccade_acceleration_threshold = 19500")
class EyeLinkCoreGraphicsPySDL2(pylink.EyeLinkCustomDisplay):
def __init__(self):
# self.__target_beep__ = Sound('_Stimuli/type.wav')
# self.__target_beep__done__ = Sound('qbeep.wav')
# self.__target_beep__error__ = Sound('error.wav')
if sys.byteorder == 'little':
self.byteorder = 1
else:
self.byteorder = 0
self.imagebuffer = array.array('I')
self.pal = None
self.__img__ = None
def record_abort_hide(self):
pass
def play_beep(self, beepid):
pass
# if beepid == pylink.DC_TARG_BEEP or beepid == pylink.CAL_TARG_BEEP:
# self.__target_beep__.play()
# elif beepid == pylink.CAL_ERR_BEEP or beepid == pylink.DC_ERR_BEEP:
# self.__target_beep__error__.play()
# else:# CAL_GOOD_BEEP or DC_GOOD_BEEP
# self.__target_beep__done__.play()
def clear_cal_display(self):
# # print 'clear_cal_display'
qFrom.put('clearCalDisplay')
def setup_cal_display(self):
# # print 'setup_cal_display'
qFrom.put('setupCalDisplay')
def exit_cal_display(self):
# # print 'exit_cal_display'
qFrom.put('exitCalDisplay')
def erase_cal_target(self):
# # print 'erase_cal_target'
qFrom.put('eraseCalTarget')
def draw_cal_target(self, x, y):
# # print 'draw_cal_target'
qFrom.put(['drawCalTarget', x, y])
def setup_image_display(self, width, height):
# # print 'eyelink: setup_image_display'
self.img_size = (width, height)
return (0)
def exit_image_display(self):
# # print 'eyelink: exit_image_display'
pass
def image_title(self, text):
# # print 'eyelink: image_title'
pass
def set_image_palette(self, r, g, b):
# # print 'eyelink: set_image_palette'
self.imagebuffer = array.array('I')
sz = len(r)
i = 0
self.pal = []
while i < sz:
rf = int(b[i])
gf = int(g[i])
bf = int(r[i])
if self.byteorder:
self.pal.append((rf << 16) | (gf << 8) | (bf))
else:
self.pal.append(
(bf << 24) | (gf << 16) | (rf << 8)) #for mac
i = i + 1
def draw_image_line(self, width, line, totlines, buff):
# # print 'eyelink: draw_image_line'
i = 0
while i < width:
if buff[i] >= len(self.pal):
buff[i] = len(self.pal) - 1
self.imagebuffer.append(self.pal[buff[i] & 0x000000FF])
i = i + 1
if line == totlines:
img = Image.fromstring('RGBX', (width, totlines),
self.imagebuffer.tostring())
img = img.convert('RGBA')
self.__img__ = img.copy()
self.__draw__ = ImageDraw.Draw(self.__img__)
self.draw_cross_hair(
) #inherited method, calls draw_line and draw_losenge
qFrom.put([
'image',
numpy.array(
self.__img__.resize([
self.__img__.size[0] * 4, self.__img__.size[1] * 4
], Image.BICUBIC))
])
self.__img__ = None
self.__draw__ = None
self.imagebuffer = array.array('I')
def getColorFromIndex(self, colorindex):
if colorindex == pylink.CR_HAIR_COLOR: return (255, 255, 255, 255)
elif colorindex == pylink.PUPIL_HAIR_COLOR:
return (255, 255, 255, 255)
elif colorindex == pylink.PUPIL_BOX_COLOR:
return (0, 255, 0, 255)
elif colorindex == pylink.SEARCH_LIMIT_BOX_COLOR:
return (255, 0, 0, 255)
elif colorindex == pylink.MOUSE_CURSOR_COLOR:
return (255, 0, 0, 255)
else:
return (0, 0, 0, 0)
def draw_line(self, x1, y1, x2, y2, colorindex):
# # print 'eyelink: draw_line'
if x1 < 0: x1 = 0
if x2 < 0: x2 = 0
if y1 < 0: y1 = 0
if y2 < 0: y2 = 0
if x1 > self.img_size[0]: x1 = self.img_size[0]
if x2 > self.img_size[0]: x2 = self.img_size[0]
if y1 > self.img_size[1]: y1 = self.img_size[1]
if y2 > self.img_size[1]: y2 = self.img_size[1]
imr = self.__img__.size
x1 = int((float(x1) / float(self.img_size[0])) * imr[0])
x2 = int((float(x2) / float(self.img_size[0])) * imr[0])
y1 = int((float(y1) / float(self.img_size[1])) * imr[1])
y2 = int((float(y2) / float(self.img_size[1])) * imr[1])
color = self.getColorFromIndex(colorindex)
self.__draw__.line([(x1, y1), (x2, y2)], fill=color)
return 0
def draw_lozenge(self, x, y, width, height, colorindex):
# # print 'eyelink: draw_lozenge'
color = self.getColorFromIndex(colorindex)
imr = self.__img__.size
x = int((float(x) / float(self.img_size[0])) * imr[0])
width = int((float(width) / float(self.img_size[0])) * imr[0])
y = int((float(y) / float(self.img_size[1])) * imr[1])
height = int((float(height) / float(self.img_size[1])) * imr[1])
if width > height:
rad = height / 2
self.__draw__.line([(x + rad, y), (x + width - rad, y)],
fill=color)
self.__draw__.line([(x + rad, y + height),
(x + width - rad, y + height)],
fill=color)
clip = (x, y, x + height, y + height)
self.__draw__.arc(clip, 90, 270, fill=color)
clip = ((x + width - height), y, x + width, y + height)
self.__draw__.arc(clip, 270, 90, fill=color)
else:
rad = width / 2
self.__draw__.line([(x, y + rad), (x, y + height - rad)],
fill=color)
self.__draw__.line([(x + width, y + rad),
(x + width, y + height - rad)],
fill=color)
clip = (x, y, x + width, y + width)
self.__draw__.arc(clip, 180, 360, fill=color)
clip = (x, y + height - width, x + width, y + height)
self.__draw__.arc(clip, 360, 180, fill=color)
return 0
def get_mouse_state(self):
# pos = pygame.mouse.get_pos()
# state = pygame.mouse.get_pressed()
# return (pos,state[0])
pass
def get_input_key(self):
ky = []
while not qTo.empty():
message = qTo.get()
# print 'eyelink: '
# print message
if message == 'button':
ky.append(
pylink.KeyInput(32, 0)
) #button translated to space keypress (for drift correct)
# if message=='quit':
# # print 'received message to exit'
# exitSafely()
# el
elif message[0] == 'keycode':
keysym = message[1]
keycode = keysym.sym
if keycode == sdl2.SDLK_F1: keycode = pylink.F1_KEY
elif keycode == sdl2.SDLK_F2: keycode = pylink.F2_KEY
elif keycode == sdl2.SDLK_F3: keycode = pylink.F3_KEY
elif keycode == sdl2.SDLK_F4: keycode = pylink.F4_KEY
elif keycode == sdl2.SDLK_F5: keycode = pylink.F5_KEY
elif keycode == sdl2.SDLK_F6: keycode = pylink.F6_KEY
elif keycode == sdl2.SDLK_F7: keycode = pylink.F7_KEY
elif keycode == sdl2.SDLK_F8: keycode = pylink.F8_KEY
elif keycode == sdl2.SDLK_F9: keycode = pylink.F9_KEY
elif keycode == sdl2.SDLK_F10: keycode = pylink.F10_KEY
elif keycode == sdl2.SDLK_PAGEUP: keycode = pylink.PAGE_UP
elif keycode == sdl2.SDLK_PAGEDOWN:
keycode = pylink.PAGE_DOWN
elif keycode == sdl2.SDLK_UP:
keycode = pylink.CURS_UP
elif keycode == sdl2.SDLK_DOWN:
keycode = pylink.CURS_DOWN
elif keycode == sdl2.SDLK_LEFT:
keycode = pylink.CURS_LEFT
elif keycode == sdl2.SDLK_RIGHT:
keycode = pylink.CURS_RIGHT
elif keycode == sdl2.SDLK_BACKSPACE:
keycode = ord('\b')
elif keycode == sdl2.SDLK_RETURN:
keycode = pylink.ENTER_KEY
elif keycode == sdl2.SDLK_ESCAPE:
keycode = pylink.ESC_KEY
elif keycode == sdl2.SDLK_TAB:
keycode = ord('\t')
elif keycode == pylink.JUNK_KEY:
keycode = 0
ky.append(pylink.KeyInput(keycode, keysym.mod))
return ky
customDisplay = EyeLinkCoreGraphicsPySDL2()
pylink.openGraphicsEx(customDisplay)
newGazeTarget = False
gazeTarget = numpy.array(calibrationDisplaySize) / 2.0
gazeTargetCriterion = calibrationDotSize
doSounds = False
reportSaccades = False
reportBlinks = False
lastMessageTime = time.time()
lastStartBlinkTime = time.time()
while True:
sdl2.SDL_PumpEvents()
for event in sdl2.ext.get_events():
if event.type == sdl2.SDL_WINDOWEVENT:
if (event.window.event == sdl2.SDL_WINDOWEVENT_CLOSE):
exitSafely()
if not qTo.empty():
message = qTo.get()
if message == 'quit':
exitSafely()
elif message[0] == 'edfPath':
edfPath = message[1]
elif message[0] == 'doSounds':
doSounds = message[1]
elif message[0] == 'reportSaccades':
reportSaccades = message[1]
elif message[0] == 'reportBlinks':
reportBlinks = message[1]
elif message[0] == 'sendMessage':
eyelink.sendMessage(message[1])
elif message[0] == 'doDriftCorrect':
# print 'eyelink: drift correct requested'
if eyelink.isRecording() == 0:
eyelink.stopRecording()
try:
location = message[1]
error = eyelink.doDriftCorrect(location[0], location[1], 0,
1)
# print error
# print 'eyelink: drift correct attempted'
if error != 27:
qFrom.put('driftCorrectComplete')
else:
qFrom.put('doCalibration')
except:
qFrom.put('doCalibration')
elif message == 'startRecording':
# print 'eyelink: received message to begin recording'
eyelink.startRecording(
1, 1, 1, 1
) #this retuns immediately takes 10-30ms to actually kick in on the tracker
while not (eyelink.isRecording() == 0):
pass
# print eyelink.isRecording()
qFrom.put('recordingStarted')
elif message[0] == 'newGazeTarget':
# # print message
newGazeTarget = True
gazeTarget = numpy.array(message[1])
gazeTargetCriterion = numpy.array(message[2])
# # print message
# # print 'waiting for gaze confirmation'
elif message[0] == 'acceptTrigger':
eyelink.accept_trigger()
elif message == 'doCalibration':
doSounds = False
if eyelink.isRecording() == 0:
eyelink.stopRecording()
eyelink.doTrackerSetup()
# # print 'calComplete'
qFrom.put('calibrationComplete')
if eyelink.isRecording(
) == 0: #stupid, I know, but eyelink.isRecording() returns 0 if it *is* indeed recording!
eyeData = eyelink.getNextData()
# if eyeData==pylink.SAMPLE_TYPE:
# eyeSample = eyelink.getFloatData()
# gaze = None
# if eyeSample.isRightSample():
# gaze = eyeSample.getRightEye().getGaze()
# elif eyeSample.isLeftSample():
# gaze = eyeSample.getLeftEye().getGaze()
# if gaze!=None:
# if gaze[0]!=-32768.0:
# gazeDistFromGazeTarget = numpy.linalg.norm(numpy.array(gaze)-gazeTarget)
# if newGazeTarget:
# if gazeDistFromGazeTarget<gazeTargetCriterion:
# # print ['gazeTargetMet',gaze,gazeTargetCriterion,gazeTarget,gazeDistFromGazeTarget]
# qFrom.put(['gazeTargetMet',gazeTarget])
# newGazeTarget = False
# else:
# qFrom.put(['gazeTargetNotMet',gazeTarget])
# # print ['gazeTargetNotMet',gaze,gazeTarget,gazeDistFromGazeTarget,gazeTargetCriterion]
if eyeData == pylink.ENDSACC:
eyeSample = eyelink.getFloatData()
gazeStartTime = eyeSample.getStartTime()
gazeStart = eyeSample.getStartGaze()
gazeEnd = eyeSample.getEndGaze()
# # print ['eyelink: saccade',gazeStart,gazeEnd]
if (gazeStart[0] != -32768.0) & (gazeEnd[0] != -32768.0):
gazeDistFromGazeTarget = numpy.linalg.norm(
numpy.array(gazeEnd) - gazeTarget)
if gazeDistFromGazeTarget < 1000:
if newGazeTarget:
# # print [gazeDistFromGazeTarget,gazeTargetCriterion,gazeTarget,gazeEnd]
if gazeDistFromGazeTarget < gazeTargetCriterion:
# # print ['gazeTargetMet',gazeEnd,gazeTargetCriterion,gazeTarget,gazeDistFromGazeTarget]
qFrom.put([
'gazeTargetMet', gazeTarget, gazeStartTime
])
newGazeTarget = False
# # print 'gazeTargetMet'
elif gazeDistFromGazeTarget > gazeTargetCriterion:
if reportSaccades:
qFrom.put(['gazeTargetLost', gazeTarget])
# # print ['gazeTargetLost',gazeTarget]
if (not saccadeSound.stillPlaying()) and (
not blinkSound.stillPlaying()):
if doSounds:
saccadeSound.play()
elif eyeData == pylink.STARTBLINK:
# lastStartBlinkTime = time.time()
# elif eyeData==pylink.ENDBLINK:
# if (time.time()-lastStartBlinkTime)>.1:
if reportBlinks:
qFrom.put('blink')
# # print 'eyelink: blink'
if (not saccadeSound.stillPlaying()) and (
not blinkSound.stillPlaying()):
if doSounds:
#blinkSound.play()
qFrom.put('blink')
def __init__(self,
win,
clock,
sj="TEST",
autoCalibration=True,
saccadeSensitivity=HIGH,
calibrationType='HV9',
calibrationTargetColor=WHITE,
calibrationBgColor=BLACK,
CalibrationSounds=False):
'''
win: psychopy visual window used for the experiment
clock: psychopy time clock recording time for whole experiment
sj: Subject identifier string (affects EDF filename)
autoCalibration:
True: enable auto-pacing during calibration
saccadeSensitivity:
HIGH: Pursuit and neurological work
LOW: Cognitive research
calibrationType:
H3: Horizontal 3-point
HV3: 3-point calibration, poor linearization
HV5: 5-point calibration, poor at corners
HV9: 9-point calibration, best overall
calibrationTargetColor and calibrationBgColor:
RGB tuple, i.e., (255,0,0) for Red
One of: BLACK, WHITE, GRAY
calibrationSounds:
True: enable feedback sounds when calibrating
'''
self.edfFileName = str(sj) + ".EDF"
print(self.edfFileName)
inf = info.RunTimeInfo("J",
"1",
win,
refreshTest=None,
userProcsDetailed=False)
self.screenSize = inf['windowSize_pix']
self.units = inf['windowUnits']
self.monitorName = inf['windowMonitor.name']
monitor = monitors.Monitor(self.monitorName)
print("Connecting to eyetracker.")
self.tracker = pylink.EyeLink()
self.timeCorrection = clock.getTime() - self.tracker.trackerTime()
print("Loading custom graphics")
genv = EyeLinkCoreGraphicsPsychopy(self.tracker, win, self.screenSize)
self.tracker.openDataFile(self.edfFileName)
pylink.flushGetkeyQueue()
self.tracker.setOfflineMode()
self.tracker.sendCommand("screen_pixel_coords = 0 0 %d %d" %
(tuple(self.screenSize)))
self.tracker.setCalibrationType(calibrationType)
self.tracker.sendMessage("DISPLAY_COORDS 0 0 %d %d" %
(tuple(self.screenSize)))
eyelink_ver = self.tracker.getTrackerVersion()
if eyelink_ver == 3:
tvstr = self.tracker.getTrackerVersionString()
vindex = tvstr.find("EYELINK CL")
tracker_software_ver = int(
float(tvstr[(vindex + len("EYELINK CL")):].strip()))
else:
tracker_software_ver = 0
if eyelink_ver >= 2:
self.tracker.sendCommand("select_parser_configuration %d" %
saccadeSensitivity)
else:
if saccadeSensitivity == HIGH:
svt, sat = 22, 5000
else:
svt, sat = 30, 9500
self.tracker.sendCommand("saccade_velocity_threshold = %d" % svt)
self.tracker.sendCommand("saccade_acceleration_threshold = %d" %
sat)
if eyelink_ver == 2: #turn off scenelink camera stuff
self.tracker.sendCommand("scene_camera_gazemap = NO")
# set EDF file contents
self.tracker.sendCommand(
"file_event_filter = LEFT,RIGHT,FIXATION,SACCADE,BLINK,MESSAGE,BUTTON"
)
if tracker_software_ver >= 4:
self.tracker.sendCommand(
"file_sample_data = LEFT,RIGHT,GAZE,AREA,GAZERES,STATUS,HTARGET"
)
else:
self.tracker.sendCommand(
"file_sample_data = LEFT,RIGHT,GAZE,AREA,GAZERES,STATUS")
# set link data (used for gaze cursor)
self.tracker.sendCommand(
"link_event_filter = LEFT,RIGHT,FIXATION,SACCADE,BLINK,BUTTON")
if tracker_software_ver >= 4:
self.tracker.sendCommand(
"link_sample_data = LEFT,RIGHT,GAZE,GAZERES,AREA,STATUS,HTARGET"
)
else:
self.tracker.sendCommand(
"link_sample_data = LEFT,RIGHT,GAZE,GAZERES,AREA,STATUS")
#Set the calibration settings:
pylink.setCalibrationColors(calibrationTargetColor, calibrationBgColor)
if CalibrationSounds:
pylink.setCalibrationSounds("", "", "")
pylink.setDriftCorrectSounds("", "off", "off")
else:
pylink.setCalibrationSounds("off", "off", "off")
pylink.setDriftCorrectSounds("off", "off", "off")
if autoCalibration:
self.tracker.enableAutoCalibration
else:
self.tracker.disableAutoCalibration
win.flip()
print("Opening graphics")
pylink.openGraphicsEx(genv)
print("Begining tracker setup")
self.tracker.doTrackerSetup()
win.flip()
def Start_exp(self):
# ---------------------------------------------------
# point de départ de l'expérience
# ---------------------------------------------------
pylink.openGraphics((self.screen_width_px, self.screen_height_px),
32) # Initialise les graphiques
self.eyelink.openDataFile(self.edfFileName) # Ouvre le fichier EDF.
# réinitialise les touches et réglez le mode de suivi en mode hors connexion.
pylink.flushGetkeyQueue()
self.eyelink.setOfflineMode()
# Définit le système de coordonnées d'affichage et envoie un message à cet effet au fichier EDF;
self.eyelink.sendCommand(
"screen_pixel_coords = 0 0 %d %d" %
(self.screen_width_px - 1, self.screen_height_px - 1))
self.eyelink.sendMessage(
"DISPLAY_COORDS 0 0 %d %d" %
(self.screen_width_px - 1, self.screen_height_px - 1))
# ---------------------------------------------------
# NETOYER ??? version = 3
# ---------------------------------------------------
tracker_software_ver = 0
eyelink_ver = self.eyelink.getTrackerVersion()
if eyelink_ver == 3:
tvstr = self.eyelink.getTrackerVersionString()
vindex = tvstr.find("EYELINK CL")
tracker_software_ver = int(
float(tvstr[(vindex + len("EYELINK CL")):].strip()))
if eyelink_ver >= 2:
self.eyelink.sendCommand("select_parser_configuration 0")
if eyelink_ver == 2: # Éteignez les caméras scenelink
self.eyelink.sendCommand("scene_camera_gazemap = NO")
else:
self.eyelink.sendCommand("saccade_velocity_threshold = 35")
self.eyelink.sendCommand("saccade_acceleration_threshold = 9500")
# Définir le contenu du fichier EDF
self.eyelink.sendCommand(
"file_event_filter = LEFT,RIGHT,FIXATION,SACCADE,BLINK,MESSAGE,BUTTON,INPUT"
)
if tracker_software_ver >= 4:
self.eyelink.sendCommand(
"file_sample_data = LEFT,RIGHT,GAZE,AREA,GAZERES,STATUS,HTARGET,INPUT"
)
else:
self.eyelink.sendCommand(
"file_sample_data = LEFT,RIGHT,GAZE,AREA,GAZERES,STATUS,INPUT"
)
# Définir les données du lien (utilisé pour le curseur du regard)
self.eyelink.sendCommand(
"link_event_filter = LEFT,RIGHT,FIXATION,FIXUPDATE,SACCADE,BLINK,BUTTON,INPUT"
)
if tracker_software_ver >= 4:
self.eyelink.sendCommand(
"link_sample_data = LEFT,RIGHT,GAZE,GAZERES,AREA,STATUS,HTARGET,INPUT"
)
else:
self.eyelink.sendCommand(
"link_sample_data = LEFT,RIGHT,GAZE,GAZERES,AREA,STATUS,INPUT"
)
#############################
# Calibration
#############################
pylink.setCalibrationColors(
(255, 255, 255), (128, 128, 128)
) # Définit couleur de la cible d'étalonnage (blanc) et de l'arrière-plan (gris)
pylink.setTargetSize(self.screen_width_px // 70,
self.screen_width_px //
300) # Définit taille de la cible d'étalonnage
pylink.setCalibrationSounds("", "", "")
pylink.setDriftCorrectSounds("", "off", "off")