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author | Théo de la Hogue | 2023-05-31 11:33:50 +0200 |
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committer | Théo de la Hogue | 2023-05-31 11:33:50 +0200 |
commit | 162617bc836e301f8ed1cd657bae11a1d5304bff (patch) | |
tree | 829a800f93b24d51e0c9c010ad422afab4e45acb /src/argaze | |
parent | 39e31eeca71d8023ec565ea7b375b02a8438d636 (diff) | |
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testing and fixing VelocityThresholdIdentification.
Diffstat (limited to 'src/argaze')
-rw-r--r-- | src/argaze/GazeAnalysis/VelocityThresholdIdentification.py | 23 |
1 files changed, 18 insertions, 5 deletions
diff --git a/src/argaze/GazeAnalysis/VelocityThresholdIdentification.py b/src/argaze/GazeAnalysis/VelocityThresholdIdentification.py index 3c3d58f..1cf7859 100644 --- a/src/argaze/GazeAnalysis/VelocityThresholdIdentification.py +++ b/src/argaze/GazeAnalysis/VelocityThresholdIdentification.py @@ -141,13 +141,16 @@ class GazeMovementIdentifier(GazeFeatures.GazeMovementIdentifier): self.__last_ts = ts self.__last_position = gaze_position + # Get last movement + last_movement = self.current_saccade if len(self.__fixation_positions) == 0 else self.current_fixation + self.__fixation_positions = GazeFeatures.TimeStampedGazePositions() self.__saccade_positions = GazeFeatures.TimeStampedGazePositions() - return + return last_movement # Velocity - velocity = gaze_position.distance(self.__last_position) / (ts - self.__last_ts) + velocity = abs(gaze_position.distance(self.__last_position) / (ts - self.__last_ts)) # Remember last position self.__last_ts = ts @@ -168,7 +171,12 @@ class GazeMovementIdentifier(GazeFeatures.GazeMovementIdentifier): self.__fixation_positions = GazeFeatures.TimeStampedGazePositions() # Output last fixation - return last_fixation if not terminate else self.current_saccade + return last_fixation + + # Identification must stop: ends with current saccade + if terminate: + + return self.current_saccade # Velocity is less or equals to threshold else: @@ -185,7 +193,12 @@ class GazeMovementIdentifier(GazeFeatures.GazeMovementIdentifier): self.__saccade_positions = GazeFeatures.TimeStampedGazePositions() # Output last saccade - return last_saccade if not terminate else self.current_fixation + return last_saccade + + # Identification must stop: ends with current fixation + if terminate: + + return self.current_fixation @property def current_fixation(self) -> FixationType: @@ -198,5 +211,5 @@ class GazeMovementIdentifier(GazeFeatures.GazeMovementIdentifier): def current_saccade(self) -> SaccadeType: if len(self.__saccade_positions) > 0: - + return Saccade(self.__saccade_positions) |