diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/argaze/utils/contexts/File.py | 100 | ||||
| -rw-r--r-- | src/argaze/utils/contexts/__init__.py | 4 | ||||
| -rw-r--r-- | src/argaze/utils/demo/csv_file_context_xy_list.json | 9 | ||||
| -rw-r--r-- | src/argaze/utils/demo/csv_file_context_xy_splitted.json (renamed from src/argaze/utils/demo/csv_file_context.json) | 2 | ||||
| -rw-r--r-- | src/argaze/utils/demo/gaze_positions_xy_list.csv | 1052 | ||||
| -rw-r--r-- | src/argaze/utils/demo/gaze_positions_xy_splitted.csv (renamed from src/argaze/utils/demo/gaze_positions.csv) | 0 |
6 files changed, 1147 insertions, 20 deletions
diff --git a/src/argaze/utils/contexts/File.py b/src/argaze/utils/contexts/File.py index da12c5a..68854b8 100644 --- a/src/argaze/utils/contexts/File.py +++ b/src/argaze/utils/contexts/File.py @@ -21,6 +21,7 @@ import logging import time import math import threading +import ast import pandas import numpy @@ -39,9 +40,12 @@ class CSV(ArFeatures.DataPlaybackContext): # Init private attributes self.__path = None self.__separator = ',' + self.__timestamp_column = None self.__x_column = None self.__y_column = None + self.__xy_column = None + self.__start = math.nan self.__end = math.nan self.__duration = 0. @@ -69,7 +73,10 @@ class CSV(ArFeatures.DataPlaybackContext): @property def timestamp_column(self) -> str: - """Select timestamp column.""" + """Timestamp column name in file. + !!! warning + This column name is mandatory. + """ return self.__timestamp_column @timestamp_column.setter @@ -79,7 +86,10 @@ class CSV(ArFeatures.DataPlaybackContext): @property def x_column(self) -> str: - """Select x column.""" + """X coordinate column name. + !!! note + This column name is required in the case where gaze position coordinate is splitted in two columns. + """ return self.__x_column @x_column.setter @@ -89,13 +99,30 @@ class CSV(ArFeatures.DataPlaybackContext): @property def y_column(self) -> str: - """Select y column.""" + """Y coordinate column name. + !!! note + This column name is required in the case where gaze position coordinate is splitted in two columns. + """ return self.__y_column @y_column.setter def y_column(self, y_column: str): self.__y_column = y_column + + @property + def xy_column(self) -> str: + """X and Y coordinate column name. + !!! note + This column name is required in the case where gaze position coordinate is a list stored in one column. + """ + return self.__xy_column + + @xy_column.setter + def xy_column(self, xy_column: str): + + self.__xy_column = xy_column + @property def start(self) -> int|float: """Start reading timestamp.""" @@ -133,21 +160,40 @@ class CSV(ArFeatures.DataPlaybackContext): logging.info('CSV file context starts...') - # Load gaze positions from a CSV file into Panda Dataframe - data_selector = { - self.__timestamp_column: numpy.float64, - self.__x_column: numpy.float64, - self.__y_column: numpy.float64 - } + # Select data to load from CSV file + data_columns = [] + data_types = {} + data_converters = {} + + # Select timestamp column + if self.__timestamp_column: + + data_columns.append(self.__timestamp_column) + data_types[self.__timestamp_column] = numpy.float64 + + else: + + logging.error('Missing timestamp column name') - dataframe = pandas.read_csv(self.__path, delimiter = self.__separator, low_memory = False, usecols=data_selector.keys(), dtype=data_selector) + # Case where gaze position coordinate is splitted in two columns + if self.__x_column and self.__y_column: - # Rename columns with generic names - dataframe.rename(columns={ - self.__timestamp_column: 'timestamp', - self.__x_column: 'x', - self.__y_column: 'y' - }, inplace=True) + data_columns.append(self.__x_column) + data_types[self.__x_column] = numpy.float64 + + data_columns.append(self.__y_column) + data_types[self.__y_column] = numpy.float64 + + # Case where gaze position coordinate is a list stored in one column + elif self.__xy_column: + + data_columns.append(self.__xy_column) + data_converters[self.__xy_column] = ast.literal_eval + + dataframe = pandas.read_csv(self.__path, delimiter = self.__separator, low_memory = False, usecols=data_columns, dtype=data_types, converters=data_converters) + + # DEBUG + print(dataframe) # Optionnaly select a time range if not math.isnan(self.start): @@ -158,6 +204,26 @@ class CSV(ArFeatures.DataPlaybackContext): dataframe = dataframe.loc[(dataframe['timestamp'] <= self.end)] + # Transform dataframe to a get only timestamp, x, y columns + + # Case where gaze position coordinate is splitted in two columns + if self.__x_column and self.__y_column: + + dataframe.rename(columns={ + self.__timestamp_column: 'timestamp', + self.__x_column: 'x', + self.__y_column: 'y' + }, inplace=True) + + # Case where gaze position coordinate is a list stored in one column + elif self.__xy_column: + + dataframe.rename(columns={ + self.__timestamp_column: 'timestamp', + }, inplace=True) + + dataframe[['x','y']] = pandas.DataFrame(dataframe[self.__xy_column].to_list(), columns=['x','y']) + # Filter unvalid gaze positions len_before = len(dataframe) dataframe = dataframe[(dataframe['x'].notna() & dataframe['y']).notna()] @@ -212,5 +278,5 @@ class CSV(ArFeatures.DataPlaybackContext): self.__progression = row['timestamp'] / self.__duration # TEST - #time.sleep(0.01) + time.sleep(0.01)
\ No newline at end of file diff --git a/src/argaze/utils/contexts/__init__.py b/src/argaze/utils/contexts/__init__.py index 19b7533..c427de0 100644 --- a/src/argaze/utils/contexts/__init__.py +++ b/src/argaze/utils/contexts/__init__.py @@ -1,4 +1,4 @@ """ -Collection of device interfaces. +Collection of contexts. """ -__all__ = ['TobiiProGlasses2'] +__all__ = ['File','OpencCV','PupilLabsInvisible','PupilLabsNeon','Random','TobiiProGlasses2','TobiiProGlasses3'] diff --git a/src/argaze/utils/demo/csv_file_context_xy_list.json b/src/argaze/utils/demo/csv_file_context_xy_list.json new file mode 100644 index 0000000..2030b8b --- /dev/null +++ b/src/argaze/utils/demo/csv_file_context_xy_list.json @@ -0,0 +1,9 @@ +{ + "argaze.utils.contexts.File.CSV" : { + "name": "CSV file data playback", + "path": "./src/argaze/utils/demo/gaze_positions_xy_list.csv", + "timestamp_column": "Timestamp (ms)", + "xy_column": "Gaze Position (px)", + "pipeline": "gaze_analysis_pipeline.json" + } +}
\ No newline at end of file diff --git a/src/argaze/utils/demo/csv_file_context.json b/src/argaze/utils/demo/csv_file_context_xy_splitted.json index a09914f..87fce4d 100644 --- a/src/argaze/utils/demo/csv_file_context.json +++ b/src/argaze/utils/demo/csv_file_context_xy_splitted.json @@ -1,7 +1,7 @@ { "argaze.utils.contexts.File.CSV" : { "name": "CSV file data playback", - "path": "./src/argaze/utils/demo/gaze_positions.csv", + "path": "./src/argaze/utils/demo/gaze_positions_xy_splitted.csv", "timestamp_column": "Timestamp (ms)", "x_column": "Gaze Position X (px)", "y_column": "Gaze Position Y (px)", diff --git a/src/argaze/utils/demo/gaze_positions_xy_list.csv b/src/argaze/utils/demo/gaze_positions_xy_list.csv new file mode 100644 index 0000000..759b897 --- /dev/null +++ b/src/argaze/utils/demo/gaze_positions_xy_list.csv @@ -0,0 +1,1052 @@ +"Timestamp (ms)","Gaze Position (px)"
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diff --git a/src/argaze/utils/demo/gaze_positions.csv b/src/argaze/utils/demo/gaze_positions_xy_splitted.csv index 558c995..558c995 100644 --- a/src/argaze/utils/demo/gaze_positions.csv +++ b/src/argaze/utils/demo/gaze_positions_xy_splitted.csv |