AND I THINK WHAT YOU'RE SAYING YOU SHOULD PROBABLY DRAW THIS RIGHT IS THAT THEY YOU KNOW IF UM FROM THIS TIME TO THIS TIME THEY'RE LOOKING AT TRIANGLE ONE W WHAT YOU'RE SAYING IS THAT YOU WANT TO KNOW IN THE CRITICAL YOU WANNA KNOW AFTER THEY'RE THEY'RE LOOKING AT TRIANGLE ONE WHAT'S HAPPENING IN THIS PERIOD WITH THIS GUY RIGHT OR HOW L ALRIGHT LET'S LET'S IMAGINE A TYPICAL CONSTRUCTION EVENT OKAY THERE IS SOME PART THERE ARE THERE ARE SEPARATE MOVABLE PARTS ON THE SCREEN READY FOR USE RIGHT THERE MAY BE OR NOT A CONSTRUCTION ALREADY BEGUN RIGHT SOMEBODY MAKES THE FIRST MOVE THERE'S SOME KIND OF COMMUNICATION EITHER GESTURAL IMAGINARY OR VERBAL THAT PLANS HOW WE'RE GONNA DO IT RIGHT BEFORE THAT HAPPENS THE PERSON WHO SPEAKS IS GOING TO DO SOME KIND OF VISUAL SCANNING WHILE THEY'RE SPEAKING OR COMMUNICATING IN SOME WAY THE OTHER PERSON MAY OR MAY NOT BE LOOKING WHERE THEY'RE LOOKING OKAY THEY MAY BE OVERLAPPING GAZE AT PARTICULAR OBJECTS WHICH ARE OF INTEREST LET'S CALL IT THE C THE CONSTRUCT EXISTING CONSTRUCT WHICH COULD BE ZERO MM-HMM OR THE UM THE ADDENDUM THE THING WHICH IS NEXT GOING TO BE ADDED NEXT PIECE OKAY NOW IN NEITHER CASE WHEN YOU DRAW THIS HE'S LOOKING AT TRIANGLE ONE WHICH YOU'RE ACTUALLY DRAWING YOU KNOW FOR A THE PERIOD OF TIME IN WHICH HE'S STEADILY LOOKING AT TRIANGLE ONE IS GONNA BE VERY VERY SHORT RIGHT BECAUSE STARING FIXEDLY WITHOUT INTERRUPTION BLINK OR OR SACCADE IS IS AN EXTREMELY SHORT EVENT THAT'S FINE SO IT'S IN A REGION IT'S IN A REGION OKAY BUT EVEN SO YOU'RE LIKELY TO GET BOUNCING IN AND OUT OF THE REGION RIGHT SO EVEN SO YOU WANNA LOOK AT IF WE'RE INTERESTED IN HOW LONG BEFORE THE CONSTRUCTION MOVE TAKES PLACE UM HOW MUCH OF THE TIME THEY SPEND LOOKING AT THE SAME THING LET'S CALL THAT OUR MEASURE OF ALIGNMENT SO THEY'RE GONNA BE YEAH THAT'S RIGHT A. IS GONNA BE ON TRIANGLE ONE AND VARIOUS OTHER PLACES THAT'S RIGHT AND AND B. UM OKAY AND WE'RE GONNA LOOK AT THE PERCENTAGE OF OF THAT TIME WHERE THEY'RE BOTH IN THE SAME REGION RIGHT SO WHAT I WANT TO MAKE SURE IS THAT WE DON'T UM SIMPLIFY DO YOU KNOW WHAT I MEAN TEMPORARILY SIMPLIFY TOO MUCH SO THAT YEAH 'CAUSE THEN YOU LOSE PERCENTAGE AS AN AS A AS A D. V. RIGHT AND SO B. HAS SOME PERIODS OF LOOKING AT ONE AND ALL IT WILL WHICH WILL ALSO BE INTERMITTENT BECAUSE SO YOU KNOW HE MIGHT GET TRIANGLE ONE THERE AND NO MAYBE THIS ONE'S GONNA OVERLOOK LAP QUITE A BIT SO WHAT YOU WANT TO DO IS BE ABLE TO DEFINE UM BIGGER PERIODS WHICH IS THE PERIOD WHEN THEY'RE SORT OF INTERESTED IN TRIANGLE ONE OVERALL RIGHT THIS IS SORT OF SOME META LEVEL ANALYSIS AND THEN WE CAN JUST TAKE THAT CHUNK OUT AND DO SOMETHING WITH IT YEAH BUT THAT'S THAT'S NOT A SOMETHING THAT YOU CAN DO IN THE N. X. T. QUERY LANGUAGE BUT IT YOU CAN'T DO THAT IN ANY YOU KNOW THIS IS SUCH SPECIAL PURPOSE S BUT IT'S EASY ENOUGH GIVEN THE DATA FORMAT FOR ANY OF THESE THINGS TO DO THAT SO YOU COULD DO IT ON 'CAUSE I IT'S JUST A MATTER OF I THE HARD PART IS DECIDING HOW CLOSE TOGETHER THESE HAVE TO BE BEFORE YOU DECIDE THAT THIS IS A EVENT THAT YOU WANNA PULL OUT BECAUSE YOU KNOW ALGORITHMICALLY YOU'RE YOU'RE ALREADY PUTTING TOGETHER I MEAN THIS IS ESSENTIALLY ALREADY YOU KNOW THESE FIXATIONS WITH STUFF IN BETWEEN YEAH YEAH AND UH UM YOU KNOW WE WE'VE GOT AN ALGORITHM FOR DECIDING WHEN THAT'S A LOOK I GUESS YOU ALREADY HAVE THAT OR NO UH WELL IF IT'S JUST BASED ON UH LIKE A A STABLE FIXATION FOR SO LONG OR OR SOMETHING AND CROSSING INTO THAT REGION YEAH THEY'RE THESE ARE ALL FIXATIONS AND SACCADES BUT WITHIN THE YEP SO THAT'S EASY ENOUGH SO THE HARD THING IS THEY COULD BE MOVING THEIR EYE ARBITRARILY HERE RIGHT AND YOU KNOW MAYBE EVEN HAVING FIXATIONS ON OTHER THINGS YEAH YEP IF IF YOUR INTENTION IS TO MOVE THE RED TRIANGLE TO SIT ON TOP OF THE THING ALREADY CONSTRUCTED YOU WOULD TEND TO LOOK BACK AND FORTH RIGHT SO UM THIS ISN'T YEAH BUT WHAT YOU NEED TO DO IS WE WE CAN ALREADY BUILD INTO THIS G. D. F. FORMAT THESE REGIONS IF YOU CAN GIVE A DEFINITION OF WHAT YOU THINK THAT IS BUT I THINK THE RIGHT WAY TO DO THIS IS TO BE ABLE TO INSPECT THE DATA IN UM SOME TOOL AND PLAY AROUND WITH THE DEFINITIONS BECAUSE YOU WON'T GET IT RIGHT THE FIRST TIME YEAH MM-HMM AND UH ELAN'S A REASONABLE CHOICE FOR THAT RIGHT WHAT YOU NEED IS SOMETHING WELL NO BECAUSE YOU NEED TO Y YOU NEED TO BE ABLE TO SEE THE EFFECTS OF THIS SO I G I GUESS THIS IS A CASE OF CRAIG WRITING SOME SCRIPTS SO ROBIN HAVING SOME IDEAS ABOUT WHAT THE RELATIONSHIP IS AND SAYING YOU KNOW ADD THIS DATA A AUTOMATICALLY IT I MEAN IT'S NOT THAT HARD RIGHT IT'S JUST THERE'LL BE A BUNCH OF THESE YOU'LL HAVE SOME RULES ABOUT HOW MAYBE HOW LONG YOU SPEND ON OTHER OBJECTS AND W WHETHER THE OTHER OBJECT IS UM THE EXISTING CONSTRUCTION OR NOT RIGHT AND SO UM AH RIGHT SO IF THEY IF THEY UH THEY HAD A FIXATION ON C. YOU WOULDN'T BE WORRIED BUT IF THEY HAD A FIXATION ON OKAY SO THERE'S A THERE'S THE ADDENDUM AND THE AND THE CO THE EXISTING CONSTRUCT AND I DON'T KNOW WHETHER THEY'RE GONNA SPEND MORE TIME LOOKING AT ONE OR THE OTHER BUT IF THEY'RE WHATEVER IT IS THAT ONE IS LOOKING AT IF THE OTHER'S LOOKING THE SAME PLACE THEY'RE IN GOOD SHAPE BUT YEAH THEY'RE GONNA LOOK AT THE CLOCK UM AND THEY'RE GONNA LOOK AT THEY MAY LOOK AT COMPLETELY IRRELEVANT THAT'S TRUE BUT WE C WE CAN ONE OF THE THINGS WE'LL BE DOING IS UM CATEGORISING PEOPLE I TAKE IT OR INTERACTIONS BY THE AMOUNT OF TIME PEOPLE SPEND LOOKING AT THE CLOCK WE'D EXPECT THAT IF WE PUT PEOPLE UNDER TIME PRESSURE THEY'LL LOOK AT THE CLOCK A LOT MORE MM-HMM SURE IT'S A SEPARATE ANALYSIS BUT YOU DON'T WANNA THROW IT AWAY RIGHT SO SO YOU CAN DEFINE IF ALL OF THESE THINGS ARE ACTUALLY CATEGORISED BY THE EYE TRACKER AS TO WHERE THE EYE IS ALRIGHT YOU SHOULD BE ABLE TO PULL OUT ANY INTERESTING CATEGORY AND SAY ALRIGHT FOR THIS PHASE IT'S T. R. ONE OR C. FOR THIS PHASE IT'S UM S. Q. ONE OR C. OKAY MM-HMM MM-HMM SO THIS IS ONE UH WE HADN'T THOUGHT OF ADDING BEFORE BUT WE SHOULD RIGHT WHICH IS UM WELL HOW WOULD YOU DECIDE WHETHER SOMETHING WAS THE CURRENT ADDENDUM UH THE CU SO THAT'S A HUMAN DECISION YEAH UM YEAH