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authorThéo de la Hogue2023-08-30 22:26:31 +0200
committerThéo de la Hogue2023-08-30 22:26:31 +0200
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Reorganizing gaze analizis pipeline documentation.
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-Log gaze analysis
-=================
-
-[ArFrame](../../argaze.md/#argaze.ArFeatures.ArFrame) and [ArLayer](../../argaze.md/#argaze.ArFeatures.ArLayer) logging are optional pipeline steps. They are executed at each new scan path step to update logs.
-
-## Enable ArFrame and ArLayer logging
-
-[ArFrame](../../argaze.md/#argaze.ArFeatures.ArFrame) and [ArLayer](../../argaze.md/#argaze.ArFeatures.ArLayer) have a log attribute to enable analysis logging.
-
-Here is the JSON ArFrame configuration file example where logging is enabled for the ArFrame and for one ArLayer:
-
-```json
-{
- "name": "My FullHD screen",
- "size": [1920, 1080],
- "log": true,
- ...
- "layers": {
- "MyLayer": {
- "log": true,
- ...
- }
- }
-}
-```
-
-Then, here is how to access to logs dictionaries:
-
-```python
-# Assuming that all timestamped gaze positions have been processed by ArFrame.look method
-...
-
-# Access to ArFame scan path analysis logs
-for analysis, log in ar_frame.logs.items():
-
- # Do something with scan path analysis log
- ...
-
-# Access to ArLayers AOI scan path analysis logs
-for layer_name, layer in ar_frame.layers.items():
-
- for analysis, log in layer.logs.items():
-
- # Do something with AOI scan path analysis log
- ...
-```
-
-!!! note
- [ArFrame](../../argaze.md/#argaze.ArFeatures.ArFrame) and its [ArLayers](../../argaze.md/#argaze.ArFeatures.ArLayer) logging are automatically done each time the [ArFrame.look](../../argaze.md/#argaze.ArFeatures.ArFrame.look) method is called.
- [ArFrame](../../argaze.md/#argaze.ArFeatures.ArFrame) logging records each scan path analysis into a dedicated timestamped data buffer each time a new scan path step happens.
- [ArLayer](../../argaze.md/#argaze.ArFeatures.ArLayer) logging records each AOI scan path analysis into a dedicated timestamped data buffer each time a new AOI scan path step happens.
-
-## Export gaze analysis logs to CSV file
-
-It is possible to convert gaze analysis log as [Pandas DataFrame](https://pandas.pydata.org/docs/getting_started/intro_tutorials/01_table_oriented.html#min-tut-01-tableoriented) object which can be writen into a CSV file.
-
-```python
-import pandas
-
-# Assuming that all timestamped gaze positions have been processed by ArFrame.look method
-...
-
-# Export ArFame scan path analysis logs
-for analysis, log in ar_frame.logs.items():
-
- log.as_dataframe().to_csv(f'./{ar_frame.name}_{analysis}.csv')
-
-# Export ArLayers layers AOI scan path analysis logs
-for layer_name, layer in ar_frame.layers.items():
-
- for analysis, log in layer.logs.items():
-
- log.as_dataframe().to_csv(f'./{ar_frame.name}_{layer_name}_{analysis}.csv')
-
-```
-
-Assuming that [ArGaze.GazeAnalysis.Basic](../../argaze.md/#argaze.GazeAnalysis.Basic) scan path analysis module is enabled for 'My FullHD screen' ArFrame, a ***My FullHD screen_argaze.GazeAnalysis.Basic.csv*** file would be created:
-
-|timestamped|path_duration|step_fixation_durations_average|steps_number|
-|:----------|:------------|:------------------------------|:-----------|
-|3460 |1750 |563.0 |2 |
-|4291 |2623 |652.0 |3 |
-|4769 |3107 |544.0 |4 |
-|6077 |4411 |652.8 |5 |
-|6433 |4760 |595.1 |6 |
-|7719 |6050 |652.8 |7 |
-|... |... |... |... |
-
-Assuming that [ArGaze.GazeAnalysis.NGram](../../argaze.md/#argaze.GazeAnalysis.NGram) AOI scan path analysis module is enabled for 'MyLayer' ArLayer, a ***My FullHD screen_MyLayer_argaze.GazeAnalysis.NGram.csv*** file would be created:
-
-|timestamped|ngrams_count|
-|:----------|:-----------|
-|5687 |"{3: {}, 4: {}, 5: {}}"|
-|6208 |"{3: {('upper_left_corner', 'lower_left_corner', 'lower_right_corner'): 1}, 4: {}, 5: {}}"|
-|... |... |
-
-