GazeTK

#

# DeviceServer_MyGaze.py

# 

# This file is part of GazeTk.

#

# Copyright 2015 Thies Pfeiffer and Dimitri Heil

# GazeTk is distributed under the terms of the GNU General Public License

# 

# GazeTk is free software: you can redistribute it and/or modify

# it under the terms of the GNU General Public License as published by

# the Free Software Foundation, either version 3 of the License, or

# (at your option) any later version.

# 

# GazeTk is distributed in the hope that it will be useful,

# but WITHOUT ANY WARRANTY; without even the implied warranty of

# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the

# GNU General Public License for more details.

# 

# You should have received a copy of the GNU General Public License

# along with GazeTk. If not, see <http://www.gnu.org/licenses/>.

#

from myGazeAPI import  *                                    # myGaze library

from websocket import create_connection

ws = create_connection("ws://127.0.0.1:6777")

print "sending: Hi, this is the python server"

ws.send("TYPE:mygaze");

ws.send("Hi, this is the mygaze python server")

print "sent."

# ---------------------------------------------------------------------------- 

# ---- connect to myGazeAPI eyetracking-server 

# ---------------------------------------------------------------------------- 

res = myGazeAPI.iV_Connect()

if res != 1:

    print "Could not connect " + str(res) 

    exit(0)

# ---------------------------------------------------------------------------- 

# ---- read out system information 

# ---------------------------------------------------------------------------- 

res = myGazeAPI.iV_GetSystemInfo(byref(systemData))

print "myGaze eyetracking-server Version: " + str(systemData.iV_MajorVersion) + "." + str(systemData.iV_MinorVersion) + "." + str(systemData.iV_Buildnumber)

print "myGaze API Version: " + str(systemData.API_MajorVersion) + "." + str(systemData.API_MinorVersion) + "." + str(systemData.API_Buildnumber)

# ---------------------------------------------------------------------------- 

# ---- start the calibration and validation process 

# ---------------------------------------------------------------------------- 

# see the User Manual for detailed information due to setting up calibration 

calibrationData = CCalibration(5, 1, 0, 0, 1, 250, 220, 2, 20, b"")

res = myGazeAPI.iV_SetupCalibration(byref(calibrationData))

print "iV_SetupCalibration " + str(res)

# start the calibration process 

res = myGazeAPI.iV_Calibrate()

print "iV_Calibrate " + str(res)

# start the validation process 

res = myGazeAPI.iV_Validate()

print "iV_Validate " + str(res)

# read out the accuracy values 

res = myGazeAPI.iV_GetAccuracy(byref(accuracyData))

print "iV_GetAccuracy " + str(res)

print "accuracy left X: " + str(accuracyData.deviationLX) + " left Y: " + str(accuracyData.deviationLY)

print "accuracy right X: " + str(accuracyData.deviationRX) + " left Y: " + str(accuracyData.deviationRY)

# show tracking monitor 

res = myGazeAPI.iV_ShowTrackingMonitor()

print "iV_ShowTrackingMonitor " + str(res)

# ---------------------------------------------------------------------------- 

# ---- accessing eye tracking data stream 

# ---------------------------------------------------------------------------- 

# output samples

a = 0;

while a < 1000:

    # get gaze data sample

    res = myGazeAPI.iV_GetSample(byref(sampleData))

    if res == 1:

       # a = a + 1

        #print "Gaze Data - GazeX: " + str(sampleData.leftEye.gazeX) + " GazeY: " + str(sampleData.leftEye.gazeY) 

        ws.send("{\"x\":"+str(sampleData.leftEye.gazeX)+",\"y\":"+str(sampleData.leftEye.gazeY)+"}")

        #ws.send("{\"x\":"+str(sampleData.rightEye.gazeX)+",\"y\":"+str(sampleData.rightEye.gazeY)+"}")

    # get gaze data sample

    res = myGazeAPI.iV_GetEvent(byref(eventData))

    #if res == 1:

        #print "Fixation " + str(eventData.eye) + " - X: " + str(eventData.positionX) + " Y: " + str(eventData.positionY) 

# ---------------------------------------------------------------------------- 

# ---- disconnect from myGaze eyetracking server 

# ---------------------------------------------------------------------------- 

res = myGazeAPI.iV_Disconnect()

ws.close()

#end of the trial 

#window.close()

#core.quit()