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"""
This program 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.
This program 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
this program. If not, see <http://www.gnu.org/licenses/>.
"""
__author__ = "Théo de la Hogue"
__credits__ = []
__copyright__ = "Copyright 2023, Ecole Nationale de l'Aviation Civile (ENAC)"
__license__ = "GPLv3"
from argaze import DataFeatures, GazeFeatures
from argaze.GazeAnalysis import *
from argaze.utils import UtilsFeatures
class FixationLogger(DataFeatures.PipelineStepObserver, UtilsFeatures.FileWriter):
def on_look(self, timestamp, frame, exception):
"""Log frame fixations."""
# Log fixations
if GazeFeatures.is_fixation(frame.last_gaze_movement()) and frame.last_gaze_movement().is_finished():
log = (
timestamp,
frame.last_gaze_movement().focus,
frame.last_gaze_movement().duration,
frame.layers['demo_layer'].last_looked_aoi_name()
)
self.write(log)
class ScanPathAnalysisLogger(DataFeatures.PipelineStepObserver, UtilsFeatures.FileWriter):
def on_look(self, timestamp, frame, exception):
"""Log frame scan path metrics."""
if frame.is_analysis_available():
analysis = frame.analysis()
log = (
timestamp,
analysis[Basic.ScanPathAnalyzer].path_duration,
analysis[Basic.ScanPathAnalyzer].steps_number,
analysis[KCoefficient.ScanPathAnalyzer].K,
analysis[NearestNeighborIndex.ScanPathAnalyzer].nearest_neighbor_index,
analysis[ExploreExploitRatio.ScanPathAnalyzer].explore_exploit_ratio
)
self.write(log)
class VideoRecorder(DataFeatures.PipelineStepObserver, UtilsFeatures.VideoWriter):
def on_look(self, timestamp, frame, exception):
"""Write frame image."""
self.write(frame.image())
class AOIScanPathAnalysisLogger(DataFeatures.PipelineStepObserver, UtilsFeatures.FileWriter):
def on_look(self, timestamp, layer, exception):
"""Log layer aoi scan path metrics"""
if layer.is_analysis_available():
analysis = layer.analysis()
log = (
timestamp,
analysis[Basic.AOIScanPathAnalyzer].path_duration,
analysis[Basic.AOIScanPathAnalyzer].steps_number,
analysis[KCoefficient.AOIScanPathAnalyzer].K,
analysis[LempelZivComplexity.AOIScanPathAnalyzer].lempel_ziv_complexity
)
self.write(log)
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