def calibrate_section(self, sec):
if 'bg_task' in sec:
sec['bg_task'].cancel()
sec['status'] = 'Starting calibration' # This will be overwritten on success
try:
sec['gaze'].clear()
sec['gaze_ts'].clear()
except KeyError:
sec['gaze'] = collections.deque()
sec['gaze_ts'] = collections.deque()
calibration_window = pm.exact_window(self.g_pool.timestamps, sec['calibration_range'])
mapping_window = pm.exact_window(self.g_pool.timestamps, sec['mapping_range'])
calibration_pupil_pos = self.g_pool.pupil_positions.by_ts_window(calibration_window)
mapping_pupil_pos = self.g_pool.pupil_positions.by_ts_window(mapping_window)
if sec['calibration_method'] == 'circle_marker':
ref_list = self.circle_marker_positions
elif sec['calibration_method'] == 'natural_features':
ref_list = self.manual_ref_positions
start = sec['calibration_range'][0]
end = sec['calibration_range'][1]
ref_list = [r for r in ref_list if start <= r['index'] <= end]
if not len(calibration_pupil_pos):
logger.error('No pupil data to calibrate section "{}"'.format(self.sections.index(sec) + 1))
sec['status'] = 'Calibration failed. Not enough pupil positions.'
return
if not ref_list:
logger.error('No referece marker data to calibrate section "{}"'.format(self.sections.index(sec) + 1))
sec['status'] = 'Calibration failed. Not enough reference positions.'
return
if sec["mapping_method"] == '3d' and '2d' in calibration_pupil_pos[len(calibration_pupil_pos)//2]['method']:
# select median pupil datum from calibration list and use its detection method as mapping method
logger.warning("Pupil data is 2d, calibration and mapping mode forced to 2d.")
sec["mapping_method"] = '2d'
fake = setup_fake_pool(self.g_pool.capture.frame_size,
self.g_pool.capture.intrinsics,
sec["mapping_method"],
self.g_pool.rec_dir,
self.g_pool.min_calibration_confidence)
calibration_pupil_pos = [pp.serialized for pp in calibration_pupil_pos]
mapping_pupil_pos = [pp.serialized for pp in mapping_pupil_pos]
generator_args = (fake, ref_list, calibration_pupil_pos, mapping_pupil_pos, sec['x_offset'], sec['y_offset'])
logger.info('Calibrating section {} ({}) in {} mode...'.format(self.sections.index(sec) + 1, sec['label'], sec["mapping_method"]))
sec['bg_task'] = bh.Task_Proxy('{}'.format(self.sections.index(sec) + 1), calibrate_and_map, args=generator_args)
def do_export(_):
left_idx = g_pool.seek_control.trim_left
right_idx = g_pool.seek_control.trim_right
export_range = left_idx, right_idx + 1 # exclusive range.stop
export_ts_window = pm.exact_window(g_pool.timestamps, (left_idx, right_idx))
export_dir = os.path.join(g_pool.rec_dir, "exports")
export_dir = next_export_sub_dir(export_dir)
os.makedirs(export_dir)
logger.info('Created export dir at "{}"'.format(export_dir))
export_info = {
"Player Software Version": str(g_pool.version),
"Data Format Version": meta_info["Data Format Version"],
"Export Date": strftime("%d.%m.%Y", localtime()),
"Export Time": strftime("%H:%M:%S", localtime()),
"Frame Index Range:": g_pool.seek_control.get_frame_index_trim_range_string(),
"Relative Time Range": g_pool.seek_control.get_rel_time_trim_range_string(),
"Absolute Time Range": g_pool.seek_control.get_abs_time_trim_range_string(),
}
with open(os.path.join(export_dir, "export_info.csv"), "w") as csv:
write_key_value_file(csv, export_info)
notification = {
"subject": "should_export",
"range": export_range,
"ts_window": export_ts_window,
"export_dir": export_dir,
}
g_pool.ipc_pub.notify(notification)
def export_annotations(self, export_range, export_dir):
if not self.annotations:
logger.warning(
'No annotations in this recording nothing to export')
return
export_window = pm.exact_window(self.g_pool.timestamps, export_range)
annotation_section = self.annotations.init_dict_for_window(
export_window)
annotation_idc = pm.find_closest(self.g_pool.timestamps,
annotation_section['data_ts'])
csv_keys = self.parse_csv_keys(annotation_section['data'])
with open(os.path.join(export_dir, 'annotations.csv'),
'w',
encoding='utf-8',
newline='') as csvfile:
csv_writer = csv.writer(csvfile)
csv_writer.writerow(csv_keys)
for annotation, idx in zip(annotation_section['data'],
annotation_idc):
csv_row = [idx]
csv_row.extend((annotation.get(k, '') for k in csv_keys[1:]))
csv_writer.writerow(csv_row)
logger.info("Created 'annotations.csv' file.")
def create_bg_task(gaze_mapper, calibration, reference_location_storage):
assert g_pool, "You forgot to set g_pool by the plugin"
refs_in_validation_range = reference_location_storage.get_in_range(
gaze_mapper.validation_index_range)
validation_window = pm.exact_window(g_pool.timestamps,
gaze_mapper.validation_index_range)
pupils_in_validation_range = g_pool.pupil_positions.by_ts_window(
validation_window)
# Make a copy of params to ensure there are no mappingproxy instances
# calibration_params = fm._recursive_deep_copy(calibration.params)
calibration_params = calibration.params
fake_gpool = FakeGPool.from_g_pool(g_pool)
args = (
fake_gpool,
calibration.gazer_class_name,
calibration_params,
gaze_mapper,
pupils_in_validation_range,
refs_in_validation_range,
)
return tasklib.background.create(
f"validate gaze mapper '{gaze_mapper.name}'",
validate,
args=args,
)
def create_task(gaze_mapper, calibration):
assert g_pool, "You forgot to set g_pool by the plugin"
mapping_window = pm.exact_window(g_pool.timestamps,
gaze_mapper.mapping_index_range)
pupil_pos_in_mapping_range = g_pool.pupil_positions.by_ts_window(
mapping_window)
fake_gpool = _setup_fake_gpool(
g_pool.capture.frame_size,
g_pool.capture.intrinsics,
calibration.mapping_method,
g_pool.rec_dir,
)
args = (
calibration.result,
fake_gpool,
pupil_pos_in_mapping_range,
gaze_mapper.manual_correction_x,
gaze_mapper.manual_correction_y,
)
name = "Create gaze mapper {}".format(gaze_mapper.name)
return tasklib.background.create(
name,
_map_gaze,
args=args,
patches=[bg_patches.IPCLoggingPatch()],
pass_shared_memory=True,
)
def create_task(calibration, all_reference_locations):
assert g_pool, "You forgot to set g_pool by the plugin"
calibration_window = pm.exact_window(
g_pool.timestamps, calibration.frame_index_range
)
pupil_pos_in_calib_range = g_pool.pupil_positions.by_ts_window(calibration_window)
frame_start = calibration.frame_index_range[0]
frame_end = calibration.frame_index_range[1]
ref_dicts_in_calib_range = [
_create_ref_dict(ref)
for ref in all_reference_locations
if frame_start <= ref.frame_index <= frame_end
]
fake_gpool = _setup_fake_gpool(
g_pool.capture.frame_size,
g_pool.capture.intrinsics,
calibration.mapping_method,
g_pool.rec_dir,
calibration.minimum_confidence,
)
args = (fake_gpool, ref_dicts_in_calib_range, pupil_pos_in_calib_range)
name = "Create calibration {}".format(calibration.name)
return tasklib.background.create(
name, _create_calibration, args=args, patches=[bg_patches.IPCLoggingPatch()]
)
def create_task(calibration, all_reference_locations):
assert g_pool, "You forgot to set g_pool by the plugin"
calibration_window = pm.exact_window(g_pool.timestamps,
calibration.frame_index_range)
pupil_pos_in_calib_range = g_pool.pupil_positions.by_ts_window(
calibration_window)
frame_start = calibration.frame_index_range[0]
frame_end = calibration.frame_index_range[1]
ref_dicts_in_calib_range = [
_create_ref_dict(ref) for ref in all_reference_locations
if frame_start <= ref.frame_index <= frame_end
]
fake_gpool = _setup_fake_gpool(
g_pool.capture.frame_size,
g_pool.capture.intrinsics,
calibration.mapping_method,
g_pool.rec_dir,
calibration.minimum_confidence,
)
args = (fake_gpool, ref_dicts_in_calib_range, pupil_pos_in_calib_range)
name = "Create calibration {}".format(calibration.name)
return tasklib.background.create(
name,
_create_calibration,
args=args,
)
def do_export(_):
left_idx = g_pool.seek_control.trim_left
right_idx = g_pool.seek_control.trim_right
export_range = left_idx, right_idx + 1 # exclusive range.stop
export_ts_window = pm.exact_window(g_pool.timestamps, (left_idx, right_idx))
export_dir = os.path.join(g_pool.rec_dir, "exports")
export_dir = next_export_sub_dir(export_dir)
os.makedirs(export_dir)
logger.info('Created export dir at "{}"'.format(export_dir))
export_info = {
"Player Software Version": str(g_pool.version),
"Data Format Version": meta_info.min_player_version,
"Export Date": strftime("%d.%m.%Y", localtime()),
"Export Time": strftime("%H:%M:%S", localtime()),
"Frame Index Range:": g_pool.seek_control.get_frame_index_trim_range_string(),
"Relative Time Range": g_pool.seek_control.get_rel_time_trim_range_string(),
"Absolute Time Range": g_pool.seek_control.get_abs_time_trim_range_string(),
}
with open(os.path.join(export_dir, "export_info.csv"), "w") as csv:
write_key_value_file(csv, export_info)
notification = {
"subject": "should_export",
"range": export_range,
"ts_window": export_ts_window,
"export_dir": export_dir,
}
g_pool.ipc_pub.notify(notification)
def export_fixations(self, export_range, export_dir):
"""
between in and out mark
fixation report:
- fixation detection method and parameters
- fixation count
fixation list:
id | start_timestamp | duration | start_frame_index | end_frame_index |
norm_pos_x | norm_pos_y | dispersion | confidence | method |
gaze_point_3d_x | gaze_point_3d_y | gaze_point_3d_z | base_data
"""
if not self.fixation_data:
logger.warning('No fixations in this recording nothing to export')
return
export_window = pm.exact_window(self.g_pool.timestamps, export_range)
fixations_in_section = self.g_pool.fixations.by_ts_window(export_window)
with open(os.path.join(export_dir,'fixations.csv'),'w',encoding='utf-8',newline='') as csvfile:
csv_writer = csv.writer(csvfile)
csv_writer.writerow(self.csv_representation_keys())
for f in fixations_in_section:
csv_writer.writerow(self.csv_representation_for_fixation(f))
logger.info("Created 'fixations.csv' file.")
with open(os.path.join(export_dir,'fixation_report.csv'),'w',encoding='utf-8',newline='') as csvfile:
csv_writer = csv.writer(csvfile)
csv_writer.writerow(('fixation classifier','Dispersion_Duration'))
csv_writer.writerow(('max_dispersion','{:0.3f} deg'.format(self.max_dispersion)) )
csv_writer.writerow(('min_duration','{:0.3f} sec'.format(self.min_duration)) )
csv_writer.writerow((''))
csv_writer.writerow(('fixation_count',len(fixations_in_section)))
logger.info("Created 'fixation_report.csv' file.")
def create_task(gaze_mapper, calibration):
assert g_pool, "You forgot to set g_pool by the plugin"
mapping_window = pm.exact_window(g_pool.timestamps, gaze_mapper.mapping_index_range)
pupil_pos_in_mapping_range = g_pool.pupil_positions.by_ts_window(mapping_window)
fake_gpool = _setup_fake_gpool(
g_pool.capture.frame_size,
g_pool.capture.intrinsics,
calibration.mapping_method,
g_pool.rec_dir,
)
args = (
calibration.result,
fake_gpool,
pupil_pos_in_mapping_range,
gaze_mapper.manual_correction_x,
gaze_mapper.manual_correction_y,
)
name = "Create gaze mapper {}".format(gaze_mapper.name)
return tasklib.background.create(
name,
_map_gaze,
args=args,
patches=[bg_patches.IPCLoggingPatch()],
pass_shared_memory=True,
)
def create_task(calibration, all_reference_locations):
assert g_pool, "You forgot to set g_pool by the plugin"
calibration_window = pm.exact_window(g_pool.timestamps,
calibration.frame_index_range)
pupil_pos_in_calib_range = g_pool.pupil_positions.by_ts_window(
calibration_window)
frame_start = calibration.frame_index_range[0]
frame_end = calibration.frame_index_range[1]
ref_dicts_in_calib_range = [
_create_ref_dict(ref) for ref in all_reference_locations
if frame_start <= ref.frame_index <= frame_end
]
fake_gpool = FakeGPool.from_g_pool(g_pool)
fake_gpool.min_calibration_confidence = calibration.minimum_confidence
args = (
fake_gpool,
calibration.gazer_class_name,
ref_dicts_in_calib_range,
pupil_pos_in_calib_range,
)
name = f"Create calibration {calibration.name}"
return tasklib.background.create(name, _create_calibration, args=args)
def create_task(gaze_mapper, calibration):
assert g_pool, "You forgot to set g_pool by the plugin"
mapping_window = pm.exact_window(g_pool.timestamps,
gaze_mapper.mapping_index_range)
pupil_pos_in_mapping_range = g_pool.pupil_positions.by_ts_window(
mapping_window)
if not pupil_pos_in_mapping_range:
raise NotEnoughPupilData
fake_gpool = FakeGPool.from_g_pool(g_pool)
# Make a copy of params to ensure there are no mappingproxy instances
# calibration_params = fm._recursive_deep_copy(calibration.params)
calibration_params = calibration.params
args = (
calibration.gazer_class_name,
calibration_params,
fake_gpool,
pupil_pos_in_mapping_range,
gaze_mapper.manual_correction_x,
gaze_mapper.manual_correction_y,
)
name = f"Create gaze mapper {gaze_mapper.name}"
return tasklib.background.create(
name,
_map_gaze,
args=args,
pass_shared_memory=True,
)
def _export_surface_gaze_distribution(self):
with open(
os.path.join(self.metrics_dir, "surface_gaze_distribution.csv"),
"w",
encoding="utf-8",
newline="",
) as csv_file:
csv_writer = csv.writer(csv_file, delimiter=",")
export_window = player_methods.exact_window(
self.world_timestamps, self.export_range
)
gaze_in_section = self.gaze_positions.by_ts_window(export_window)
not_on_any_surf_ts = set([gp["timestamp"] for gp in gaze_in_section])
csv_writer.writerow(("total_gaze_point_count", len(gaze_in_section)))
csv_writer.writerow("")
csv_writer.writerow(("surface_name", "gaze_count"))
for surf_idx, surface in enumerate(self.surfaces):
gaze_on_surf = self.gaze_on_surfaces[surf_idx]
gaze_on_surf = list(itertools.chain.from_iterable(gaze_on_surf))
gaze_on_surf_ts = set(
[gp["base_data"][1] for gp in gaze_on_surf if gp["on_surf"]]
)
not_on_any_surf_ts -= gaze_on_surf_ts
csv_writer.writerow((surface.name, len(gaze_on_surf_ts)))
csv_writer.writerow(("not_on_any_surface", len(not_on_any_surf_ts)))
logger.info("Created 'surface_gaze_distribution.csv' file")
def _csv_exported_gaze_data(
gaze_positions, destination_folder, export_range, timestamps, capture
):
export_start, export_stop = export_range # export_stop is exclusive
export_window = pm.exact_window(timestamps, (export_start, export_stop - 1))
gaze_section = gaze_positions.init_dict_for_window(export_window)
# find closest world idx for each gaze datum
gaze_world_idc = pm.find_closest(timestamps, gaze_section["data_ts"])
csv_header = (
"GazeTimeStamp",
"MediaTimeStamp",
"MediaFrameIndex",
"Gaze3dX",
"Gaze3dY",
"Gaze3dZ",
"Gaze2dX",
"Gaze2dY",
"PupilDiaLeft",
"PupilDiaRight",
"Confidence",
)
csv_rows = []
for gaze_pos, media_idx in zip(gaze_section["data"], gaze_world_idc):
media_timestamp = timestamps[media_idx]
try:
pupil_dia = {}
for p in gaze_pos["base_data"]:
pupil_dia[p["id"]] = p["diameter_3d"]
pixel_pos = denormalize(
gaze_pos["norm_pos"], capture.frame_size, flip_y=True
)
undistorted3d = capture.intrinsics.unprojectPoints(pixel_pos)
undistorted2d = capture.intrinsics.projectPoints(
undistorted3d, use_distortion=False
)
data = (
gaze_pos["timestamp"],
media_timestamp,
media_idx - export_range[0],
*gaze_pos["gaze_point_3d"], # Gaze3dX/Y/Z
*undistorted2d.flat, # Gaze2dX/Y
pupil_dia.get(1, 0.0), # PupilDiaLeft
pupil_dia.get(0, 0.0), # PupilDiaRight
gaze_pos["confidence"], # Confidence
)
except KeyError:
raise _iMotionsExporterNo3DGazeDataError()
csv_rows.append(data)
return csv_header, csv_rows
def _convert_video_file(
input_file,
output_file,
export_range,
world_timestamps,
process_frame,
timestamp_export_format,
):
yield "Export video", 0.0
input_source = File_Source(SimpleNamespace(), input_file, fill_gaps=True)
if not input_source.initialised:
yield "Exporting video failed", 0.0
return
# yield progress results two times per second
update_rate = int(input_source.frame_rate / 2)
export_start, export_stop = export_range # export_stop is exclusive
export_window = pm.exact_window(world_timestamps, (export_start, export_stop - 1))
(export_from_index, export_to_index) = pm.find_closest(
input_source.timestamps, export_window
)
# NOTE: Start time of the export recording will be synced with world recording
# export! This means that if the recording to export started later than the world
# video, the first frame of the exported recording will not be at timestamp 0 in
# the recording, but later. Some video players (e.g. VLC on windows) might display
# the video weirdly in this case, but we rather want syncronization between the
# exported video!
start_time = export_window[0]
writer = MPEG_Writer(output_file, start_time)
input_source.seek_to_frame(export_from_index)
next_update_idx = export_from_index + update_rate
while True:
try:
input_frame = input_source.get_frame()
except EndofVideoError:
break
if input_frame.index >= export_to_index:
break
output_img = process_frame(input_source, input_frame)
output_frame = input_frame
output_frame._img = output_img # it's ._img because .img has no setter
writer.write_video_frame(output_frame)
if input_source.get_frame_index() >= next_update_idx:
progress = (input_source.get_frame_index() - export_from_index) / (
export_to_index - export_from_index
)
yield "Exporting video", progress * 100.0
next_update_idx += update_rate
writer.close(timestamp_export_format)
input_source.cleanup()
yield "Exporting video completed", 100.0
def _convert_video_file(
input_file,
output_file,
export_range,
world_timestamps,
process_frame,
timestamp_export_format,
):
yield "Export video", 0.0
input_source = File_Source(EmptyGPool(), input_file, fill_gaps=True)
if not input_source.initialised:
yield "Exporting video failed", 0.0
return
# yield progress results two times per second
update_rate = int(input_source.frame_rate / 2)
export_start, export_stop = export_range # export_stop is exclusive
export_window = pm.exact_window(world_timestamps,
(export_start, export_stop - 1))
(export_from_index,
export_to_index) = pm.find_closest(input_source.timestamps, export_window)
writer = AV_Writer(output_file,
fps=input_source.frame_rate,
audio_dir=None,
use_timestamps=True)
input_source.seek_to_frame(export_from_index)
next_update_idx = export_from_index + update_rate
while True:
try:
input_frame = input_source.get_frame()
except EndofVideoError:
break
if input_frame.index >= export_to_index:
break
output_img = process_frame(input_source, input_frame)
output_frame = input_frame
output_frame._img = output_img # it's ._img because .img has no setter
writer.write_video_frame(output_frame)
if input_source.get_frame_index() >= next_update_idx:
progress = (input_source.get_frame_index() - export_from_index) / (
export_to_index - export_from_index)
yield "Exporting video", progress * 100.0
next_update_idx += update_rate
writer.close(timestamp_export_format)
input_source.cleanup()
yield "Exporting video completed", 100.0
def _convert_video_file(
input_file,
output_file,
export_range,
world_timestamps,
process_frame,
timestamp_export_format,
):
yield "Export video", 0.0
input_source = File_Source(SimpleNamespace(), input_file, fill_gaps=True)
if not input_source.initialised:
yield "Exporting video failed", 0.0
return
# yield progress results two times per second
update_rate = int(input_source.frame_rate / 2)
export_start, export_stop = export_range # export_stop is exclusive
export_window = pm.exact_window(world_timestamps, (export_start, export_stop - 1))
(export_from_index, export_to_index) = pm.find_closest(
input_source.timestamps, export_window
)
writer = AV_Writer(
output_file, fps=input_source.frame_rate, audio_dir=None, use_timestamps=True
)
input_source.seek_to_frame(export_from_index)
next_update_idx = export_from_index + update_rate
while True:
try:
input_frame = input_source.get_frame()
except EndofVideoError:
break
if input_frame.index >= export_to_index:
break
output_img = process_frame(input_source, input_frame)
output_frame = input_frame
output_frame._img = output_img # it's ._img because .img has no setter
writer.write_video_frame(output_frame)
if input_source.get_frame_index() >= next_update_idx:
progress = (input_source.get_frame_index() - export_from_index) / (
export_to_index - export_from_index
)
yield "Exporting video", progress * 100.0
next_update_idx += update_rate
writer.close(timestamp_export_format)
input_source.cleanup()
yield "Exporting video completed", 100.0
def _precomputed_eye_data_for_range(self, export_range):
export_window = pm.exact_window(self.g_pool.timestamps, export_range)
pre_computed = {
"gaze": self.g_pool.gaze_positions,
"pupil": self.g_pool.pupil_positions,
"fixations": self.g_pool.fixations,
}
for key, bisector in pre_computed.items():
init_dict = bisector.init_dict_for_window(export_window)
init_dict["data"] = [datum.serialized for datum in init_dict["data"]]
pre_computed[key] = init_dict
return pre_computed
def _precomputed_eye_data_for_range(self, export_range):
export_window = pm.exact_window(self.g_pool.timestamps, export_range)
pre_computed = {
"gaze": self.g_pool.gaze_positions,
"pupil": self.g_pool.pupil_positions,
"pupil_by_id_0": self.g_pool.pupil_positions_by_id[0],
"pupil_by_id_1": self.g_pool.pupil_positions_by_id[1],
"fixations": self.g_pool.fixations,
}
for key, bisector in pre_computed.items():
init_dict = bisector.init_dict_for_window(export_window)
init_dict["data"] = [datum.serialized for datum in init_dict["data"]]
pre_computed[key] = init_dict
return pre_computed
def precomputed_for_range(self, export_range):
export_window = pm.exact_window(self.g_pool.timestamps, export_range)
pre_computed = {
'gaze': self.g_pool.gaze_positions,
'pupil': self.g_pool.pupil_positions,
'fixations': self.g_pool.fixations
}
for key, bisector in pre_computed.items():
init_dict = bisector.init_dict_for_window(export_window)
init_dict['data'] = [
datum.serialized for datum in init_dict['data']
]
pre_computed[key] = init_dict
return pre_computed
def export_annotations(self, export_range, export_dir):
export_window = pm.exact_window(self.g_pool.timestamps, export_range)
annotation_section = self.annotations.init_dict_for_window(
export_window)
annotation_idc = pm.find_closest(self.g_pool.timestamps,
annotation_section["data_ts"])
csv_keys = self.parse_csv_keys(annotation_section["data"])
with open(
os.path.join(export_dir, "annotations.csv"),
"w",
encoding="utf-8",
newline="",
) as csv_file:
csv_writer = csv.writer(csv_file)
csv_writer.writerow(csv_keys)
for annotation, idx in zip(annotation_section["data"],
annotation_idc):
csv_row = [idx]
csv_row.extend((annotation.get(k, "") for k in csv_keys[1:]))
csv_writer.writerow(csv_row)
logger.info("Created 'annotations.csv' file.")
def segments_in_range(self, range) -> t.Iterable[Classified_Segment]:
range_window = pm.exact_window(self._timestamps, range)
return self.segments_in_timestamp_window(range_window)
def calibrate_section(self, sec):
if "bg_task" in sec:
sec["bg_task"].cancel()
sec["status"] = "Starting calibration" # This will be overwritten on success
try:
sec["gaze"].clear()
sec["gaze_ts"].clear()
except KeyError:
sec["gaze"] = collections.deque()
sec["gaze_ts"] = collections.deque()
calibration_window = pm.exact_window(self.g_pool.timestamps,
sec["calibration_range"])
mapping_window = pm.exact_window(self.g_pool.timestamps,
sec["mapping_range"])
calibration_pupil_pos = self.g_pool.pupil_positions.by_ts_window(
calibration_window)
mapping_pupil_pos = self.g_pool.pupil_positions.by_ts_window(
mapping_window)
if sec["calibration_method"] == "circle_marker":
ref_list = self.circle_marker_positions
elif sec["calibration_method"] == "natural_features":
ref_list = self.manual_ref_positions
start = sec["calibration_range"][0]
end = sec["calibration_range"][1]
ref_list = [r for r in ref_list if start <= r["index"] <= end]
if not len(calibration_pupil_pos):
logger.error('No pupil data to calibrate section "{}"'.format(
self.sections.index(sec) + 1))
sec["status"] = "Calibration failed. Not enough pupil positions."
return
if not ref_list:
logger.error(
'No referece marker data to calibrate section "{}"'.format(
self.sections.index(sec) + 1))
sec["status"] = "Calibration failed. Not enough reference positions."
return
if (sec["mapping_method"] == "3d"
and "2d" in calibration_pupil_pos[len(calibration_pupil_pos) //
2]["method"]):
# select median pupil datum from calibration list and use its detection method as mapping method
logger.warning(
"Pupil data is 2d, calibration and mapping mode forced to 2d.")
sec["mapping_method"] = "2d"
fake = setup_fake_pool(
self.g_pool.capture.frame_size,
self.g_pool.capture.intrinsics,
sec["mapping_method"],
self.g_pool.rec_dir,
self.g_pool.min_calibration_confidence,
)
calibration_pupil_pos = [pp.serialized for pp in calibration_pupil_pos]
mapping_pupil_pos = [pp.serialized for pp in mapping_pupil_pos]
generator_args = (
fake,
ref_list,
calibration_pupil_pos,
mapping_pupil_pos,
sec["x_offset"],
sec["y_offset"],
)
logger.info("Calibrating section {} ({}) in {} mode...".format(
self.sections.index(sec) + 1, sec["label"], sec["mapping_method"]))
sec["bg_task"] = bh.IPC_Logging_Task_Proxy(
"Calibration Section {}".format(self.sections.index(sec) + 1),
calibrate_and_map,
args=generator_args,
)
def _write_gaze_data(gaze_positions, destination_folder, export_range,
timestamps, capture):
global user_warned_3d_only
with open(os.path.join(destination_folder, "gaze.tlv"),
"w",
encoding="utf-8",
newline="") as csv_file:
csv_writer = csv.writer(csv_file, delimiter="\t")
csv_writer.writerow((
"GazeTimeStamp",
"MediaTimeStamp",
"MediaFrameIndex",
"Gaze3dX",
"Gaze3dY",
"Gaze3dZ",
"Gaze2dX",
"Gaze2dY",
"PupilDiaLeft",
"PupilDiaRight",
"Confidence",
))
export_start, export_stop = export_range # export_stop is exclusive
export_window = pm.exact_window(timestamps,
(export_start, export_stop - 1))
gaze_section = gaze_positions.init_dict_for_window(export_window)
# find closest world idx for each gaze datum
gaze_world_idc = pm.find_closest(timestamps, gaze_section["data_ts"])
for gaze_pos, media_idx in zip(gaze_section["data"], gaze_world_idc):
media_timestamp = timestamps[media_idx]
try:
pupil_dia = {}
for p in gaze_pos["base_data"]:
pupil_dia[p["id"]] = p["diameter_3d"]
pixel_pos = denormalize(gaze_pos["norm_pos"],
capture.frame_size,
flip_y=True)
undistorted3d = capture.intrinsics.unprojectPoints(pixel_pos)
undistorted2d = capture.intrinsics.projectPoints(
undistorted3d, use_distortion=False)
data = (
gaze_pos["timestamp"],
media_timestamp,
media_idx - export_range[0],
*gaze_pos["gaze_point_3d"], # Gaze3dX/Y/Z
*undistorted2d.flat, # Gaze2dX/Y
pupil_dia.get(1, 0.0), # PupilDiaLeft
pupil_dia.get(0, 0.0), # PupilDiaRight
gaze_pos["confidence"], # Confidence
)
except KeyError:
if not user_warned_3d_only:
logger.error(
"Currently, the iMotions export only supports 3d gaze data"
)
user_warned_3d_only = True
continue
csv_writer.writerow(data)
def save_surface_statsics_to_file(self, export_range, export_dir):
"""
between in and out mark
report: gaze distribution:
- total gazepoints
- gaze points on surface x
- gaze points not on any surface
report: surface visisbility
- total frames
- surface x visible framecount
surface events:
frame_no, ts, surface "name", "id" enter/exit
for each surface:
fixations_on_name.csv
gaze_on_name_id.csv
positions_of_name_id.csv
"""
metrics_dir = os.path.join(export_dir, "surfaces")
section = slice(*export_range)
in_mark = section.start
out_mark = section.stop
logger.info("exporting metrics to {}".format(metrics_dir))
if os.path.isdir(metrics_dir):
logger.info("Will overwrite previous export for this section")
else:
try:
os.mkdir(metrics_dir)
except:
logger.warning(
"Could not make metrics dir {}".format(metrics_dir))
return
with open(
os.path.join(metrics_dir, "surface_visibility.csv"),
"w",
encoding="utf-8",
newline="",
) as csvfile:
csv_writer = csv.writer(csvfile, delimiter=",")
# surface visibility report
frame_count = len(self.g_pool.timestamps[section])
csv_writer.writerow(("frame_count", frame_count))
csv_writer.writerow((""))
csv_writer.writerow(("surface_name", "visible_frame_count"))
for s in self.surfaces:
if s.cache == None:
logger.warning(
"The surface is not cached. Please wait for the cacher to collect data."
)
return
visible_count = s.visible_count_in_section(section)
csv_writer.writerow((s.name, visible_count))
logger.info("Created 'surface_visibility.csv' file")
with open(
os.path.join(metrics_dir, "surface_gaze_distribution.csv"),
"w",
encoding="utf-8",
newline="",
) as csvfile:
csv_writer = csv.writer(csvfile, delimiter=",")
# gaze distribution report
export_window = pm.exact_window(self.g_pool.timestamps,
export_range)
gaze_in_section = self.g_pool.gaze_positions.by_ts_window(
export_window)
not_on_any_srf = set([gp["timestamp"] for gp in gaze_in_section])
csv_writer.writerow(
("total_gaze_point_count", len(gaze_in_section)))
csv_writer.writerow((""))
csv_writer.writerow(("surface_name", "gaze_count"))
for s in self.surfaces:
gaze_on_srf = s.gaze_on_srf_in_section(section)
gaze_on_srf = set(
[gp["base_data"]["timestamp"] for gp in gaze_on_srf])
not_on_any_srf -= gaze_on_srf
csv_writer.writerow((s.name, len(gaze_on_srf)))
csv_writer.writerow(("not_on_any_surface", len(not_on_any_srf)))
logger.info("Created 'surface_gaze_distribution.csv' file")
with open(
os.path.join(metrics_dir, "surface_events.csv"),
"w",
encoding="utf-8",
newline="",
) as csvfile:
csv_writer = csv.writer(csvfile, delimiter=",")
# surface events report
csv_writer.writerow((
"frame_number",
"timestamp",
"surface_name",
"surface_uid",
"event_type",
))
events = []
for s in self.surfaces:
for enter_frame_id, exit_frame_id in s.cache.positive_ranges:
events.append({
"frame_id": enter_frame_id,
"srf_name": s.name,
"srf_uid": s.uid,
"event": "enter",
})
events.append({
"frame_id": exit_frame_id,
"srf_name": s.name,
"srf_uid": s.uid,
"event": "exit",
})
events.sort(key=lambda x: x["frame_id"])
for e in events:
csv_writer.writerow((
e["frame_id"],
self.g_pool.timestamps[e["frame_id"]],
e["srf_name"],
e["srf_uid"],
e["event"],
))
logger.info("Created 'surface_events.csv' file")
for s in self.surfaces:
# per surface names:
surface_name = "_" + s.name.replace("/", "") + "_" + s.uid
# save surface_positions as csv
with open(
os.path.join(metrics_dir,
"srf_positons" + surface_name + ".csv"),
"w",
encoding="utf-8",
newline="",
) as csvfile:
csv_writer = csv.writer(csvfile, delimiter=",")
csv_writer.writerow((
"frame_idx",
"timestamp",
"m_to_screen",
"m_from_screen",
"detected_markers",
))
for idx, ts, ref_srf_data in zip(
range(len(self.g_pool.timestamps)),
self.g_pool.timestamps, s.cache):
if in_mark <= idx < out_mark:
if ref_srf_data is not None and ref_srf_data is not False:
csv_writer.writerow((
idx,
ts,
ref_srf_data["m_to_screen"],
ref_srf_data["m_from_screen"],
ref_srf_data["detected_markers"],
))
# save gaze on srf as csv.
with open(
os.path.join(
metrics_dir,
"gaze_positions_on_surface" + surface_name + ".csv"),
"w",
encoding="utf-8",
newline="",
) as csvfile:
csv_writer = csv.writer(csvfile, delimiter=",")
csv_writer.writerow((
"world_timestamp",
"world_frame_idx",
"gaze_timestamp",
"x_norm",
"y_norm",
"x_scaled",
"y_scaled",
"on_srf",
"confidence",
))
for idx, ts, ref_srf_data in zip(
range(len(self.g_pool.timestamps)),
self.g_pool.timestamps, s.cache):
if in_mark <= idx < out_mark:
if ref_srf_data is not None and ref_srf_data is not False:
for gp in s.gaze_on_srf_by_frame_idx(
idx, ref_srf_data["m_from_screen"]):
csv_writer.writerow((
ts,
idx,
gp["base_data"]["timestamp"],
gp["norm_pos"][0],
gp["norm_pos"][1],
gp["norm_pos"][0] * s.real_world_size["x"],
gp["norm_pos"][1] * s.real_world_size["y"],
gp["on_srf"],
gp["confidence"],
))
# save fixation on srf as csv.
with open(
os.path.join(
metrics_dir,
"fixations_on_surface" + surface_name + ".csv"),
"w",
encoding="utf-8",
newline="",
) as csvfile:
csv_writer = csv.writer(csvfile, delimiter=",")
csv_writer.writerow((
"id",
"start_timestamp",
"duration",
"start_frame",
"end_frame",
"norm_pos_x",
"norm_pos_y",
"x_scaled",
"y_scaled",
"on_srf",
))
fixations_on_surface = []
for idx, ref_srf_data in zip(
range(len(self.g_pool.timestamps)), s.cache):
if in_mark <= idx < out_mark:
if ref_srf_data is not None and ref_srf_data is not False:
for f in s.fixations_on_srf_by_frame_idx(
idx, ref_srf_data["m_from_screen"]):
fixations_on_surface.append(f)
removed_duplicates = dict([
(f["base_data"]["id"], f) for f in fixations_on_surface
]).values()
for f_on_s in removed_duplicates:
f = f_on_s["base_data"]
f_x, f_y = f_on_s["norm_pos"]
f_on_srf = f_on_s["on_srf"]
csv_writer.writerow((
f["id"],
f["timestamp"],
f["duration"],
f["start_frame_index"],
f["end_frame_index"],
f_x,
f_y,
f_x * s.real_world_size["x"],
f_y * s.real_world_size["y"],
f_on_srf,
))
logger.info(
"Saved surface positon gaze and fixation data for '{}' with uid:'{}'"
.format(s.name, s.uid))
if s.heatmap is not None:
logger.info("Saved Heatmap as .png file.")
cv2.imwrite(
os.path.join(metrics_dir,
"heatmap" + surface_name + ".png"),
s.heatmap,
)
logger.info("Done exporting reference surface data.")
def export_data(self, export_range, export_dir):
export_window = pm.exact_window(self.g_pool.timestamps, export_range)
with open(os.path.join(export_dir, 'pupil_positions.csv'),
'w',
encoding='utf-8',
newline='') as csvfile:
csv_writer = csv.writer(csvfile, delimiter=',')
csv_writer.writerow(
('timestamp', 'index', 'id', 'confidence', 'norm_pos_x',
'norm_pos_y', 'diameter', 'method', 'ellipse_center_x',
'ellipse_center_y', 'ellipse_axis_a', 'ellipse_axis_b',
'ellipse_angle', 'diameter_3d', 'model_confidence',
'model_id', 'sphere_center_x', 'sphere_center_y',
'sphere_center_z', 'sphere_radius', 'circle_3d_center_x',
'circle_3d_center_y', 'circle_3d_center_z',
'circle_3d_normal_x', 'circle_3d_normal_y',
'circle_3d_normal_z', 'circle_3d_radius', 'theta', 'phi',
'projected_sphere_center_x', 'projected_sphere_center_y',
'projected_sphere_axis_a', 'projected_sphere_axis_b',
'projected_sphere_angle'))
pupil_section = self.g_pool.pupil_positions.init_dict_for_window(
export_window)
pupil_world_idc = pm.find_closest(self.g_pool.timestamps,
pupil_section['data_ts'])
for p, idx in zip(pupil_section['data'], pupil_world_idc):
data_2d = [
'{}'.format(p['timestamp']
), # use str to be consitant with csv lib.
idx,
p['id'],
p['confidence'],
p['norm_pos'][0],
p['norm_pos'][1],
p['diameter'],
p['method']
]
try:
ellipse_data = [
p['ellipse']['center'][0], p['ellipse']['center'][1],
p['ellipse']['axes'][0], p['ellipse']['axes'][1],
p['ellipse']['angle']
]
except KeyError:
ellipse_data = [None] * 5
try:
data_3d = [
p['diameter_3d'], p['model_confidence'], p['model_id'],
p['sphere']['center'][0], p['sphere']['center'][1],
p['sphere']['center'][2], p['sphere']['radius'],
p['circle_3d']['center'][0],
p['circle_3d']['center'][1],
p['circle_3d']['center'][2],
p['circle_3d']['normal'][0],
p['circle_3d']['normal'][1],
p['circle_3d']['normal'][2], p['circle_3d']['radius'],
p['theta'], p['phi'],
p['projected_sphere']['center'][0],
p['projected_sphere']['center'][1],
p['projected_sphere']['axes'][0],
p['projected_sphere']['axes'][1],
p['projected_sphere']['angle']
]
except KeyError:
data_3d = [None] * 21
row = data_2d + ellipse_data + data_3d
csv_writer.writerow(row)
logger.info("Created 'pupil_positions.csv' file.")
with open(os.path.join(export_dir, 'gaze_positions.csv'),
'w',
encoding='utf-8',
newline='') as csvfile:
csv_writer = csv.writer(csvfile, delimiter=',')
csv_writer.writerow(
("timestamp", "index", "confidence", "norm_pos_x",
"norm_pos_y", "base_data", "gaze_point_3d_x",
"gaze_point_3d_y", "gaze_point_3d_z", "eye_center0_3d_x",
"eye_center0_3d_y", "eye_center0_3d_z", "gaze_normal0_x",
"gaze_normal0_y", "gaze_normal0_z", "eye_center1_3d_x",
"eye_center1_3d_y", "eye_center1_3d_z", "gaze_normal1_x",
"gaze_normal1_y", "gaze_normal1_z"))
gaze_section = self.g_pool.gaze_positions.init_dict_for_window(
export_window)
gaze_world_idc = pm.find_closest(self.g_pool.timestamps,
gaze_section['data_ts'])
for g, idx in zip(gaze_section['data'], gaze_world_idc):
data = [
'{}'.format(g["timestamp"]), idx, g["confidence"],
g["norm_pos"][0], g["norm_pos"][1], " ".join([
'{}-{}'.format(b['timestamp'], b['id'])
for b in g['base_data']
])
] # use str on timestamp to be consitant with csv lib.
# add 3d data if avaiblable
if g.get('gaze_point_3d', None) is not None:
data_3d = [
g['gaze_point_3d'][0], g['gaze_point_3d'][1],
g['gaze_point_3d'][2]
]
# binocular
if g.get('eye_centers_3d', None) is not None:
data_3d += g['eye_centers_3d'].get(
0, [None, None, None])
data_3d += g['gaze_normals_3d'].get(
0, [None, None, None])
data_3d += g['eye_centers_3d'].get(
1, [None, None, None])
data_3d += g['gaze_normals_3d'].get(
1, [None, None, None])
# monocular
elif g.get('eye_center_3d', None) is not None:
data_3d += g['eye_center_3d']
data_3d += g['gaze_normal_3d']
data_3d += [None] * 6
else:
data_3d = [None] * 15
data += data_3d
csv_writer.writerow(data)
logger.info("Created 'gaze_positions.csv' file.")
with open(os.path.join(export_dir, 'pupil_gaze_positions_info.txt'),
'w',
encoding='utf-8',
newline='') as info_file:
info_file.write(self.__doc__)
def export_processed_h264(
world_timestamps,
unprocessed_video_loc,
target_video_loc,
export_range,
process_frame,
export_timestamps,
):
yield "Converting video", 0.1
capture = File_Source(Empty(), unprocessed_video_loc)
if not capture.initialised:
yield "Converting scene video failed", 0.0
return
export_window = pm.exact_window(world_timestamps, export_range)
(export_from_index,
export_to_index) = pm.find_closest(capture.timestamps, export_window)
update_rate = 10
start_time = None
time_base = Fraction(1, 65535)
target_container = av.open(target_video_loc, "w")
video_stream = target_container.add_stream("mpeg4", 1 / time_base)
video_stream.bit_rate = 150e6
video_stream.bit_rate_tolerance = video_stream.bit_rate / 20
video_stream.thread_count = max(1, mp.cpu_count() - 1)
video_stream.width, video_stream.height = capture.frame_size
av_frame = av.VideoFrame(*capture.frame_size, "bgr24")
av_frame.time_base = time_base
capture.seek_to_frame(export_from_index)
next_update_idx = export_from_index + update_rate
timestamps = []
while True:
try:
frame = capture.get_frame()
except EndofVideoError:
break
if frame.index > export_to_index:
break
if start_time is None:
start_time = frame.timestamp
undistorted_img = process_frame(capture, frame)
av_frame.planes[0].update(undistorted_img)
av_frame.pts = int((frame.timestamp - start_time) / time_base)
if export_timestamps:
timestamps.append(frame.timestamp)
packet = video_stream.encode(av_frame)
if packet:
target_container.mux(packet)
if capture.current_frame_idx >= next_update_idx:
progress = ((capture.current_frame_idx - export_from_index) /
(export_to_index - export_from_index)) * 0.9 + 0.1
yield "Converting video", progress * 100.0
next_update_idx += update_rate
while True: # flush encoder
packet = video_stream.encode()
if packet:
target_container.mux(packet)
else:
break
if export_timestamps:
write_timestamps(target_video_loc, timestamps)
target_container.close()
capture.cleanup()
yield "Converting video completed", 1.0 * 100.0
def save_surface_statsics_to_file(self, export_range, export_dir):
"""
between in and out mark
report: gaze distribution:
- total gazepoints
- gaze points on surface x
- gaze points not on any surface
report: surface visisbility
- total frames
- surface x visible framecount
surface events:
frame_no, ts, surface "name", "id" enter/exit
for each surface:
fixations_on_name.csv
gaze_on_name_id.csv
positions_of_name_id.csv
"""
metrics_dir = os.path.join(export_dir, 'surfaces')
section = slice(*export_range)
in_mark = section.start
out_mark = section.stop
logger.info("exporting metrics to {}".format(metrics_dir))
if os.path.isdir(metrics_dir):
logger.info("Will overwrite previous export for this section")
else:
try:
os.mkdir(metrics_dir)
except:
logger.warning(
"Could not make metrics dir {}".format(metrics_dir))
return
with open(os.path.join(metrics_dir, 'surface_visibility.csv'),
'w',
encoding='utf-8',
newline='') as csvfile:
csv_writer = csv.writer(csvfile, delimiter=',')
# surface visibility report
frame_count = len(self.g_pool.timestamps[section])
csv_writer.writerow(('frame_count', frame_count))
csv_writer.writerow((''))
csv_writer.writerow(('surface_name', 'visible_frame_count'))
for s in self.surfaces:
if s.cache == None:
logger.warning(
"The surface is not cached. Please wait for the cacher to collect data."
)
return
visible_count = s.visible_count_in_section(section)
csv_writer.writerow((s.name, visible_count))
logger.info("Created 'surface_visibility.csv' file")
with open(os.path.join(metrics_dir, 'surface_gaze_distribution.csv'),
'w',
encoding='utf-8',
newline='') as csvfile:
csv_writer = csv.writer(csvfile, delimiter=',')
# gaze distribution report
export_window = pm.exact_window(self.g_pool.timestamps,
export_range)
gaze_in_section = self.g_pool.gaze_positions.by_ts_window(
export_window)
not_on_any_srf = set([gp['timestamp'] for gp in gaze_in_section])
csv_writer.writerow(
('total_gaze_point_count', len(gaze_in_section)))
csv_writer.writerow((''))
csv_writer.writerow(('surface_name', 'gaze_count'))
for s in self.surfaces:
gaze_on_srf = s.gaze_on_srf_in_section(section)
gaze_on_srf = set(
[gp['base_data']['timestamp'] for gp in gaze_on_srf])
not_on_any_srf -= gaze_on_srf
csv_writer.writerow((s.name, len(gaze_on_srf)))
csv_writer.writerow(('not_on_any_surface', len(not_on_any_srf)))
logger.info("Created 'surface_gaze_distribution.csv' file")
with open(os.path.join(metrics_dir, 'surface_events.csv'),
'w',
encoding='utf-8',
newline='') as csvfile:
csv_writer = csv.writer(csvfile, delimiter=',')
# surface events report
csv_writer.writerow(('frame_number', 'timestamp', 'surface_name',
'surface_uid', 'event_type'))
events = []
for s in self.surfaces:
for enter_frame_id, exit_frame_id in s.cache.positive_ranges:
events.append({
'frame_id': enter_frame_id,
'srf_name': s.name,
'srf_uid': s.uid,
'event': 'enter'
})
events.append({
'frame_id': exit_frame_id,
'srf_name': s.name,
'srf_uid': s.uid,
'event': 'exit'
})
events.sort(key=lambda x: x['frame_id'])
for e in events:
csv_writer.writerow(
(e['frame_id'], self.g_pool.timestamps[e['frame_id']],
e['srf_name'], e['srf_uid'], e['event']))
logger.info("Created 'surface_events.csv' file")
for s in self.surfaces:
# per surface names:
surface_name = '_' + s.name.replace('/', '') + '_' + s.uid
#save surface_positions as csv
with open(os.path.join(metrics_dir,
'srf_positons' + surface_name + '.csv'),
'w',
encoding='utf-8',
newline='') as csvfile:
csv_writer = csv.writer(csvfile, delimiter=',')
csv_writer.writerow(('frame_idx', 'timestamp', 'm_to_screen',
'm_from_screen', 'detected_markers'))
for idx, ts, ref_srf_data in zip(
range(len(self.g_pool.timestamps)),
self.g_pool.timestamps, s.cache):
if in_mark <= idx < out_mark:
if ref_srf_data is not None and ref_srf_data is not False:
csv_writer.writerow(
(idx, ts, ref_srf_data['m_to_screen'],
ref_srf_data['m_from_screen'],
ref_srf_data['detected_markers']))
# save gaze on srf as csv.
with open(os.path.join(
metrics_dir,
'gaze_positions_on_surface' + surface_name + '.csv'),
'w',
encoding='utf-8',
newline='') as csvfile:
csv_writer = csv.writer(csvfile, delimiter=',')
csv_writer.writerow(
('world_timestamp', 'world_frame_idx', 'gaze_timestamp',
'x_norm', 'y_norm', 'x_scaled', 'y_scaled', 'on_srf',
'confidence'))
for idx, ts, ref_srf_data in zip(
range(len(self.g_pool.timestamps)),
self.g_pool.timestamps, s.cache):
if in_mark <= idx < out_mark:
if ref_srf_data is not None and ref_srf_data is not False:
for gp in s.gaze_on_srf_by_frame_idx(
idx, ref_srf_data['m_from_screen']):
csv_writer.writerow(
(ts, idx, gp['base_data']['timestamp'],
gp['norm_pos'][0], gp['norm_pos'][1],
gp['norm_pos'][0] *
s.real_world_size['x'],
gp['norm_pos'][1] *
s.real_world_size['y'], gp['on_srf'],
gp['confidence']))
# save fixation on srf as csv.
with open(os.path.join(
metrics_dir,
'fixations_on_surface' + surface_name + '.csv'),
'w',
encoding='utf-8',
newline='') as csvfile:
csv_writer = csv.writer(csvfile, delimiter=',')
csv_writer.writerow(
('id', 'start_timestamp', 'duration', 'start_frame',
'end_frame', 'norm_pos_x', 'norm_pos_y', 'x_scaled',
'y_scaled', 'on_srf'))
fixations_on_surface = []
for idx, ref_srf_data in zip(
range(len(self.g_pool.timestamps)), s.cache):
if in_mark <= idx < out_mark:
if ref_srf_data is not None and ref_srf_data is not False:
for f in s.fixations_on_srf_by_frame_idx(
idx, ref_srf_data['m_from_screen']):
fixations_on_surface.append(f)
removed_duplicates = dict([
(f['base_data']['id'], f) for f in fixations_on_surface
]).values()
for f_on_s in removed_duplicates:
f = f_on_s['base_data']
f_x, f_y = f_on_s['norm_pos']
f_on_srf = f_on_s['on_srf']
csv_writer.writerow(
(f['id'], f['timestamp'], f['duration'],
f['start_frame_index'], f['end_frame_index'], f_x,
f_y, f_x * s.real_world_size['x'],
f_y * s.real_world_size['y'], f_on_srf))
logger.info(
"Saved surface positon gaze and fixation data for '{}' with uid:'{}'"
.format(s.name, s.uid))
if s.heatmap is not None:
logger.info("Saved Heatmap as .png file.")
cv2.imwrite(
os.path.join(metrics_dir,
'heatmap' + surface_name + '.png'), s.heatmap)
logger.info("Done exporting reference surface data.")
def _write_gaze_data(
gaze_positions, destination_folder, export_range, timestamps, capture
):
global user_warned_3d_only
with open(
os.path.join(destination_folder, "gaze.tlv"), "w", encoding="utf-8", newline=""
) as csv_file:
csv_writer = csv.writer(csv_file, delimiter="\t")
csv_writer.writerow(
(
"GazeTimeStamp",
"MediaTimeStamp",
"MediaFrameIndex",
"Gaze3dX",
"Gaze3dY",
"Gaze3dZ",
"Gaze2dX",
"Gaze2dY",
"PupilDiaLeft",
"PupilDiaRight",
"Confidence",
)
)
export_start, export_stop = export_range # export_stop is exclusive
export_window = pm.exact_window(timestamps, (export_start, export_stop - 1))
gaze_section = gaze_positions.init_dict_for_window(export_window)
# find closest world idx for each gaze datum
gaze_world_idc = pm.find_closest(timestamps, gaze_section["data_ts"])
for gaze_pos, media_idx in zip(gaze_section["data"], gaze_world_idc):
media_timestamp = timestamps[media_idx]
try:
pupil_dia = {}
for p in gaze_pos["base_data"]:
pupil_dia[p["id"]] = p["diameter_3d"]
pixel_pos = denormalize(
gaze_pos["norm_pos"], capture.frame_size, flip_y=True
)
undistorted3d = capture.intrinsics.unprojectPoints(pixel_pos)
undistorted2d = capture.intrinsics.projectPoints(
undistorted3d, use_distortion=False
)
data = (
gaze_pos["timestamp"],
media_timestamp,
media_idx - export_range[0],
*gaze_pos["gaze_point_3d"], # Gaze3dX/Y/Z
*undistorted2d.flat, # Gaze2dX/Y
pupil_dia.get(1, 0.0), # PupilDiaLeft
pupil_dia.get(0, 0.0), # PupilDiaRight
gaze_pos["confidence"], # Confidence
)
except KeyError:
if not user_warned_3d_only:
logger.error(
"Currently, the iMotions export only supports 3d gaze data"
)
user_warned_3d_only = True
continue
csv_writer.writerow(data)
def export_data(self, export_range, export_dir):
export_window = pm.exact_window(self.g_pool.timestamps, export_range)
if self.should_export_pupil_positions:
with open(
os.path.join(export_dir, "pupil_positions.csv"),
"w",
encoding="utf-8",
newline="",
) as csvfile:
csv_writer = csv.writer(csvfile, delimiter=",")
csv_writer.writerow(
(
"timestamp",
"index",
"id",
"confidence",
"norm_pos_x",
"norm_pos_y",
"diameter",
"method",
"ellipse_center_x",
"ellipse_center_y",
"ellipse_axis_a",
"ellipse_axis_b",
"ellipse_angle",
"diameter_3d",
"model_confidence",
"model_id",
"sphere_center_x",
"sphere_center_y",
"sphere_center_z",
"sphere_radius",
"circle_3d_center_x",
"circle_3d_center_y",
"circle_3d_center_z",
"circle_3d_normal_x",
"circle_3d_normal_y",
"circle_3d_normal_z",
"circle_3d_radius",
"theta",
"phi",
"projected_sphere_center_x",
"projected_sphere_center_y",
"projected_sphere_axis_a",
"projected_sphere_axis_b",
"projected_sphere_angle",
)
)
pupil_section = self.g_pool.pupil_positions.init_dict_for_window(
export_window
)
pupil_world_idc = pm.find_closest(
self.g_pool.timestamps, pupil_section["data_ts"]
)
for p, idx in zip(pupil_section["data"], pupil_world_idc):
data_2d = [
"{}".format(
p["timestamp"]
), # use str to be consitant with csv lib.
idx,
p["id"],
p["confidence"],
p["norm_pos"][0],
p["norm_pos"][1],
p["diameter"],
p["method"],
]
try:
ellipse_data = [
p["ellipse"]["center"][0],
p["ellipse"]["center"][1],
p["ellipse"]["axes"][0],
p["ellipse"]["axes"][1],
p["ellipse"]["angle"],
]
except KeyError:
ellipse_data = [None] * 5
try:
data_3d = [
p["diameter_3d"],
p["model_confidence"],
p["model_id"],
p["sphere"]["center"][0],
p["sphere"]["center"][1],
p["sphere"]["center"][2],
p["sphere"]["radius"],
p["circle_3d"]["center"][0],
p["circle_3d"]["center"][1],
p["circle_3d"]["center"][2],
p["circle_3d"]["normal"][0],
p["circle_3d"]["normal"][1],
p["circle_3d"]["normal"][2],
p["circle_3d"]["radius"],
p["theta"],
p["phi"],
p["projected_sphere"]["center"][0],
p["projected_sphere"]["center"][1],
p["projected_sphere"]["axes"][0],
p["projected_sphere"]["axes"][1],
p["projected_sphere"]["angle"],
]
except KeyError:
data_3d = [None] * 21
row = data_2d + ellipse_data + data_3d
csv_writer.writerow(row)
logger.info("Created 'pupil_positions.csv' file.")
if self.should_export_gaze_positions:
with open(
os.path.join(export_dir, "gaze_positions.csv"),
"w",
encoding="utf-8",
newline="",
) as csvfile:
csv_writer = csv.writer(csvfile, delimiter=",")
csv_writer.writerow(
(
"timestamp",
"index",
"confidence",
"norm_pos_x",
"norm_pos_y",
"base_data",
"gaze_point_3d_x",
"gaze_point_3d_y",
"gaze_point_3d_z",
"eye_center0_3d_x",
"eye_center0_3d_y",
"eye_center0_3d_z",
"gaze_normal0_x",
"gaze_normal0_y",
"gaze_normal0_z",
"eye_center1_3d_x",
"eye_center1_3d_y",
"eye_center1_3d_z",
"gaze_normal1_x",
"gaze_normal1_y",
"gaze_normal1_z",
)
)
gaze_section = self.g_pool.gaze_positions.init_dict_for_window(
export_window
)
gaze_world_idc = pm.find_closest(
self.g_pool.timestamps, gaze_section["data_ts"]
)
for g, idx in zip(gaze_section["data"], gaze_world_idc):
data = [
"{}".format(g["timestamp"]),
idx,
g["confidence"],
g["norm_pos"][0],
g["norm_pos"][1],
" ".join(
[
"{}-{}".format(b["timestamp"], b["id"])
for b in g["base_data"]
]
),
] # use str on timestamp to be consitant with csv lib.
# add 3d data if avaiblable
if g.get("gaze_point_3d", None) is not None:
data_3d = [
g["gaze_point_3d"][0],
g["gaze_point_3d"][1],
g["gaze_point_3d"][2],
]
# binocular
if g.get("eye_centers_3d", None) is not None:
data_3d += g["eye_centers_3d"].get(0, [None, None, None])
data_3d += g["gaze_normals_3d"].get(0, [None, None, None])
data_3d += g["eye_centers_3d"].get(1, [None, None, None])
data_3d += g["gaze_normals_3d"].get(1, [None, None, None])
# monocular
elif g.get("eye_center_3d", None) is not None:
data_3d += g["eye_center_3d"]
data_3d += g["gaze_normal_3d"]
data_3d += [None] * 6
else:
data_3d = [None] * 15
data += data_3d
csv_writer.writerow(data)
logger.info("Created 'gaze_positions.csv' file.")
if self.should_export_field_info:
with open(
os.path.join(export_dir, "pupil_gaze_positions_info.txt"),
"w",
encoding="utf-8",
newline="",
) as info_file:
info_file.write(self.__doc__)
