gazetools 2014.0.2

Gaze data from a SMI RED 500 eyetracker at 500 Hz.

Usage

data(smi)

Format

smi_time
sample time

smi_type
sample type

smi_sxl
horizontal gaze location of left eye

smi_sxr
horizontal gaze location of right eye

smi_syl
vertical gaze location of left eye

smi_syr
vertical gaze location of right eye

smi_dxl
width of left pupil

smi_dxr
width of right pupil

smi_dyl
height of left pupil

smi_dyr
height of right pupil

smi_exl
horizontal offset of the left eye relative to the center of the screen

smi_exr
horizontal offset of the right eye relative to the center of the screen

smi_eyl
vertical offset of the left eye relative to the center of the screen

smi_eyr
vertical offset of the right eye relative to the center of the screen

smi_ezl
distance of the left eye to the center of the screen

smi_ezr
distance of the right eye to the center of the screen

Description

Gaze data of a participant performing a visual search task.

Details

  • Samplerate was 500hz.
  • Screen resolution was 1680 x 1050 (px).
  • Screen size was 473.76 x 296.1 (mm).

Examples

data(smi)
smi



        smi_time smi_type smi_sxl smi_sxr smi_syl smi_syr smi_dxl smi_dxr
   1: 1068466338        b     814     814     528     528     462     463
   2: 1068466340        b     807     807     527     527     457     469
   3: 1068466342        b     811     811     527     527     464     459
   4: 1068466344        b     820     820     526     526     462     461
   5: 1068466346        b     817     817     524     524     462     461
  ---                                                                    
3433: 1068473258        b    1279    1279     884     884     492     495
3434: 1068473260        b    1278    1278     887     887     494     497
3435: 1068473262        b    1278    1278     886     886     492     498
3436: 1068473264        b    1278    1278     883     883     494     497
3437: 1068473266        b    1279    1279     881     881     493     496
      smi_dyl smi_dyr smi_exl smi_exr smi_eyl smi_eyr smi_ezl smi_ezr
   1:     462     463  42.687 -24.452  40.523  38.489 711.848 716.540
   2:     457     469  42.684 -24.438  40.521  38.463 711.805 716.076
   3:     464     459  42.644 -24.480  40.521  38.420 711.618 715.837
   4:     462     461  42.600 -24.557  40.539  38.435 711.634 715.976
   5:     462     461  42.596 -24.562  40.539  38.442 711.645 716.116
  ---                                                                
3433:     492     495  44.578 -21.462  40.291  39.234 699.559 710.912
3434:     494     497  44.577 -21.462  40.290  39.172 699.542 710.812
3435:     492     498  44.562 -21.479  40.267  39.227 699.626 710.798
3436:     494     497  44.581 -21.494  40.294  39.249 699.609 710.687
3437:     493     496  44.580 -21.490  40.293  39.242 699.592 710.575