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-rw-r--r--docs/user_guide/gaze_analysis_pipeline/ar_frame_configuration_and_execution.md26
-rw-r--r--docs/user_guide/gaze_analysis_pipeline/ar_layer_configuration_and_execution.md26
-rw-r--r--docs/user_guide/gaze_analysis_pipeline/gaze_analysis_logging.md14
-rw-r--r--docs/user_guide/gaze_analysis_pipeline/heatmap_visualisation.md6
-rw-r--r--docs/user_guide/gaze_analysis_pipeline/introduction.md12
-rw-r--r--docs/user_guide/gaze_analysis_pipeline/timestamped_gaze_positions_edition.md2
6 files changed, 43 insertions, 43 deletions
diff --git a/docs/user_guide/gaze_analysis_pipeline/ar_frame_configuration_and_execution.md b/docs/user_guide/gaze_analysis_pipeline/ar_frame_configuration_and_execution.md
index 3e18f3e..37100ab 100644
--- a/docs/user_guide/gaze_analysis_pipeline/ar_frame_configuration_and_execution.md
+++ b/docs/user_guide/gaze_analysis_pipeline/ar_frame_configuration_and_execution.md
@@ -1,13 +1,13 @@
Configure and execute ArFrame
=============================
-The [ArFrame](../../../argaze/#argaze.ArFeatures.ArFrame) class defines a rectangular area where timestamped gaze positions are projected in and inside which they need to be analyzed.
+The [ArFrame](../../argaze.md/#argaze.ArFeatures.ArFrame) class defines a rectangular area where timestamped gaze positions are projected in and inside which they need to be analyzed.
![Empty frame area](../../img/ar_frame_empty.png)
## Load JSON configuration file
-The [ArFrame](../../../argaze/#argaze.ArFeatures.ArFrame) internal pipeline is entirely customizable from a JSON configuration file thanks to [ArFrame.from_json](../../../argaze/#argaze.ArFeatures.ArFrame.from_json) class method.
+The [ArFrame](../../argaze.md/#argaze.ArFeatures.ArFrame) internal pipeline is entirely customizable from a JSON configuration file thanks to [ArFrame.from_json](../../argaze.md/#argaze.ArFeatures.ArFrame.from_json) class method.
Here is a simple JSON ArFrame configuration file example:
@@ -66,53 +66,53 @@ Now, let's understand the meaning of each JSON entry.
### Name
-The name of the [ArFrame](../../../argaze/#argaze.ArFeatures.ArFrame). Basically useful for visualisation purpose.
+The name of the [ArFrame](../../argaze.md/#argaze.ArFeatures.ArFrame). Basically useful for visualisation purpose.
### Size
-The size of the [ArFrame](../../../argaze/#argaze.ArFeatures.ArFrame) defines the dimension of the rectangular area where gaze positions are projected. Be aware that gaze positions have to be in the same range of value.
+The size of the [ArFrame](../../argaze.md/#argaze.ArFeatures.ArFrame) defines the dimension of the rectangular area where gaze positions are projected. Be aware that gaze positions have to be in the same range of value.
!!! warning
**ArGaze doesn't impose any spatial unit.** Gaze positions can either be integer or float, pixels, millimeters or what ever you need. The only concern is that all spatial values used in further configurations have to be all the same unit.
### Gaze Movement Identifier
-The first [ArFrame](../../../argaze/#argaze.ArFeatures.ArFrame) pipeline step is to identify fixations or saccades from consecutive timestamped gaze positions.
+The first [ArFrame](../../argaze.md/#argaze.ArFeatures.ArFrame) pipeline step is to identify fixations or saccades from consecutive timestamped gaze positions.
![Gaze Movement Identifier](../../img/ar_frame_gaze_movement_identifier.png)
-The identification algorithm can be selected by instantiating a particular [GazeMovementIdentifier](../../../argaze/#argaze.GazeFeatures.GazeMovementIdentifier) from the [argaze.GazeAnalysis](../../../argaze/#argaze.GazeAnalysis) submodule or [from another python package](../advanced_topics/module_loading).
+The identification algorithm can be selected by instantiating a particular [GazeMovementIdentifier](../../argaze.md/#argaze.GazeFeatures.GazeMovementIdentifier) from the [argaze.GazeAnalysis](../../argaze.md/#argaze.GazeAnalysis) submodule or [from another python package](advanced_topics/module_loading.md).
-In the example file, the choosen identification algorithm is the [Dispersion Threshold Identification (I-DT)](../../../argaze/#argaze.GazeAnalysis.DispersionThresholdIdentification) which has two specific *deviation_max_threshold* and *duration_min_threshold* attributes.
+In the example file, the choosen identification algorithm is the [Dispersion Threshold Identification (I-DT)](../../argaze.md/#argaze.GazeAnalysis.DispersionThresholdIdentification) which has two specific *deviation_max_threshold* and *duration_min_threshold* attributes.
!!! note
- In ArGaze, [Fixation](../../../argaze/#argaze.GazeFeatures.Fixation) and [Saccade](../../../argaze/#argaze.GazeFeatures.Saccade) are considered as particular [GazeMovements](../../../argaze/#argaze.GazeFeatures.GazeMovement).
+ In ArGaze, [Fixation](../../argaze.md/#argaze.GazeFeatures.Fixation) and [Saccade](../../argaze.md/#argaze.GazeFeatures.Saccade) are considered as particular [GazeMovements](../../argaze.md/#argaze.GazeFeatures.GazeMovement).
!!! warning
JSON *gaze_movement_identifier* entry is mandatory. Otherwise, the ScanPath and ScanPathAnalyzers steps are disabled.
### Scan Path
-The second [ArFrame](../../../argaze/#argaze.ArFeatures.ArFrame) pipeline step aims to build a [ScanPath](../../../argaze/#argaze.GazeFeatures.ScanPath) defined as a list of [ScanSteps](../../../argaze/#argaze.GazeFeatures.ScanStep) made by a fixation and a consecutive saccade.
+The second [ArFrame](../../argaze.md/#argaze.ArFeatures.ArFrame) pipeline step aims to build a [ScanPath](../../argaze.md/#argaze.GazeFeatures.ScanPath) defined as a list of [ScanSteps](../../argaze.md/#argaze.GazeFeatures.ScanStep) made by a fixation and a consecutive saccade.
![Scan Path](../../img/ar_frame_scan_path.png)
Once fixations and saccades are identified, they are automatically appended to the ScanPath if required.
-The [ScanPath.duration_max](../../../argaze/#argaze.GazeFeatures.ScanPath.duration_max) attribute is the duration from which older scan steps are removed each time new scan steps are added.
+The [ScanPath.duration_max](../../argaze.md/#argaze.GazeFeatures.ScanPath.duration_max) attribute is the duration from which older scan steps are removed each time new scan steps are added.
!!! note
JSON *scan_path* entry is not mandatory. If scan_path_analyzers entry is not empty, the ScanPath step is automatically enabled.
### Scan Path Analyzers
-Finally, the last [ArFrame](../../../argaze/#argaze.ArFeatures.ArFrame) pipeline step consists in passing the previously built [ScanPath](../../../argaze/#argaze.GazeFeatures.ScanPath) to each loaded [ScanPathAnalyzer](../../../argaze/#argaze.GazeFeatures.ScanPathAnalyzer).
+Finally, the last [ArFrame](../../argaze.md/#argaze.ArFeatures.ArFrame) pipeline step consists in passing the previously built [ScanPath](../../argaze.md/#argaze.GazeFeatures.ScanPath) to each loaded [ScanPathAnalyzer](../../argaze.md/#argaze.GazeFeatures.ScanPathAnalyzer).
-Each analysis algorithm can be selected by instantiating a particular [ScanPathAnalyzer](../../../argaze/#argaze.GazeFeatures.ScanPathAnalyzer) from the [argaze.GazeAnalysis](../../../argaze/#argaze.GazeAnalysis) submodule or [from another python package](../advanced_topics/module_loading).
+Each analysis algorithm can be selected by instantiating a particular [ScanPathAnalyzer](../../argaze.md/#argaze.GazeFeatures.ScanPathAnalyzer) from the [argaze.GazeAnalysis](../../argaze.md/#argaze.GazeAnalysis) submodule or [from another python package](advanced_topics/module_loading.md).
## Pipeline execution
-Timestamped gaze positions have to be passed one by one to [ArFrame.look](../../../argaze/#argaze.ArFeatures.ArFrame.look) method to execute the whole intanciated pipeline.
+Timestamped gaze positions have to be passed one by one to [ArFrame.look](../../argaze.md/#argaze.ArFeatures.ArFrame.look) method to execute the whole intanciated pipeline.
```python
# Assuming that timestamped gaze positions are available
diff --git a/docs/user_guide/gaze_analysis_pipeline/ar_layer_configuration_and_execution.md b/docs/user_guide/gaze_analysis_pipeline/ar_layer_configuration_and_execution.md
index 3503d1a..fcacba6 100644
--- a/docs/user_guide/gaze_analysis_pipeline/ar_layer_configuration_and_execution.md
+++ b/docs/user_guide/gaze_analysis_pipeline/ar_layer_configuration_and_execution.md
@@ -1,13 +1,13 @@
Add and execute ArLayer
=============================
-The [ArLayer](../../../argaze/#argaze.ArFeatures.ArLayer) class defines a space where to make matching of gaze movements and AOIs and inside which those matchings need to be analyzed.
+The [ArLayer](../../argaze.md/#argaze.ArFeatures.ArLayer) class defines a space where to make matching of gaze movements and AOIs and inside which those matchings need to be analyzed.
![Empty layer area](../../img/ar_layer_empty.png)
## Add ArLayer to ArFrame JSON configuration file
-An [ArFrame](../../../argaze/#argaze.ArFeatures.ArFrame) instance can contains multiples [ArLayers](../../../argaze/#argaze.ArFeatures.ArLayer).
+An [ArFrame](../../argaze.md/#argaze.ArFeatures.ArFrame) instance can contains multiples [ArLayers](../../argaze.md/#argaze.ArFeatures.ArLayer).
Here is the JSON ArFrame configuration file example where one layer is added:
@@ -94,53 +94,53 @@ Now, let's understand the meaning of each JSON entry.
### Name
-The name of the [ArLayer](../../../argaze/#argaze.ArFeatures.ArLayer). Basically useful for visualisation purpose.
+The name of the [ArLayer](../../argaze.md/#argaze.ArFeatures.ArLayer). Basically useful for visualisation purpose.
### AOI Color
-The color of [ArLayer](../../../argaze/#argaze.ArFeatures.ArLayer)'s AOI. Basically useful for visualisation purpose.
+The color of [ArLayer](../../argaze.md/#argaze.ArFeatures.ArLayer)'s AOI. Basically useful for visualisation purpose.
### AOI Scene
-The [AOIScene](../../../argaze/#argaze.AreaOfInterest.AOIFeatures.AOIScene) defines a set of 2D [AreaOfInterest](../../../argaze/#argaze.AreaOfInterest.AOIFeatures.AreaOfInterest) registered by name.
+The [AOIScene](../../argaze.md/#argaze.AreaOfInterest.AOIFeatures.AOIScene) defines a set of 2D [AreaOfInterest](../../argaze.md/#argaze.AreaOfInterest.AOIFeatures.AreaOfInterest) registered by name.
![AOI Scene](../../img/ar_layer_aoi_scene.png)
### AOI Matcher
-The first [ArLayer](../../../argaze/#argaze.ArFeatures.ArLayer) pipeline step aims to make match identified gaze movement with an AOI of the scene.
+The first [ArLayer](../../argaze.md/#argaze.ArFeatures.ArLayer) pipeline step aims to make match identified gaze movement with an AOI of the scene.
![AOI Matcher](../../img/ar_layer_aoi_matcher.png)
-The matching algorithm can be selected by instantiating a particular [AOIMatcher](../../../argaze/#argaze.GazeFeatures.AOIMatcher) from the [argaze.GazeAnalysis](../../../argaze/#argaze.GazeAnalysis) submodule or [from another python package](../advanced_topics/module_loading).
+The matching algorithm can be selected by instantiating a particular [AOIMatcher](../../argaze.md/#argaze.GazeFeatures.AOIMatcher) from the [argaze.GazeAnalysis](../../argaze.md/#argaze.GazeAnalysis) submodule or [from another python package](advanced_topics/module_loading.md).
-In the example file, the choosen matching algorithm is the [Deviation Circle Coverage](../../../argaze/#argaze.GazeAnalysis.DeviationCircleCoverage) which has one specific *coverage_threshold* attribute.
+In the example file, the choosen matching algorithm is the [Deviation Circle Coverage](../../argaze.md/#argaze.GazeAnalysis.DeviationCircleCoverage) which has one specific *coverage_threshold* attribute.
!!! warning
JSON *aoi_matcher* entry is mandatory. Otherwise, the AOIScanPath and AOIScanPathAnalyzers steps are disabled.
### AOI Scan Path
-The second [ArLayer](../../../argaze/#argaze.ArFeatures.ArLayer) pipeline step aims to build a [AOIScanPath](../../../argaze/#argaze.GazeFeatures.AOIScanPath) defined as a list of [AOIScanSteps](../../../argaze/#argaze.GazeFeatures.AOIScanStep) made by a set of successive fixations/saccades onto a same AOI.
+The second [ArLayer](../../argaze.md/#argaze.ArFeatures.ArLayer) pipeline step aims to build a [AOIScanPath](../../argaze.md/#argaze.GazeFeatures.AOIScanPath) defined as a list of [AOIScanSteps](../../argaze.md/#argaze.GazeFeatures.AOIScanStep) made by a set of successive fixations/saccades onto a same AOI.
![AOI Scan Path](../../img/ar_layer_aoi_scan_path.png)
Once identified gaze movements are matched to AOI, they are automatically appended to the AOIScanPath if required.
-The [AOIScanPath.duration_max](../../../argaze/#argaze.GazeFeatures.AOIScanPath.duration_max) attribute is the duration from which older AOI scan steps are removed each time new AOI scan steps are added.
+The [AOIScanPath.duration_max](../../argaze.md/#argaze.GazeFeatures.AOIScanPath.duration_max) attribute is the duration from which older AOI scan steps are removed each time new AOI scan steps are added.
!!! note
JSON *aoi_scan_path* entry is not mandatory. If aoi_scan_path_analyzers entry is not empty, the AOIScanPath step is automatically enabled.
### AOI Scan Path Analyzers
-Finally, the last [ArLayer](../../../argaze/#argaze.ArFeatures.ArLayer) pipeline step consists in passing the previously built [AOIScanPath](../../../argaze/#argaze.GazeFeatures.AOIScanPath) to each loaded [AOIScanPathAnalyzer](../../../argaze/#argaze.GazeFeatures.AOIScanPathAnalyzer).
+Finally, the last [ArLayer](../../argaze.md/#argaze.ArFeatures.ArLayer) pipeline step consists in passing the previously built [AOIScanPath](../../argaze.md/#argaze.GazeFeatures.AOIScanPath) to each loaded [AOIScanPathAnalyzer](../../argaze.md/#argaze.GazeFeatures.AOIScanPathAnalyzer).
-Each analysis algorithm can be selected by instantiating a particular [AOIScanPathAnalyzer](../../../argaze/#argaze.GazeFeatures.AOIScanPathAnalyzer) from the [argaze.GazeAnalysis](../../../argaze/#argaze.GazeAnalysis) submodule or [from another python package](../advanced_topics/module_loading).
+Each analysis algorithm can be selected by instantiating a particular [AOIScanPathAnalyzer](../../argaze.md/#argaze.GazeFeatures.AOIScanPathAnalyzer) from the [argaze.GazeAnalysis](../../argaze.md/#argaze.GazeAnalysis) submodule or [from another python package](advanced_topics/module_loading.md).
## Pipeline execution
-Timestamped gaze movements identified by parent ArFrame are passed one by one to each [ArLayer.look](../../../argaze/#argaze.ArFeatures.ArLayer.look) method to execute each layer intanciated pipeline.
+Timestamped gaze movements identified by parent ArFrame are passed one by one to each [ArLayer.look](../../argaze.md/#argaze.ArFeatures.ArLayer.look) method to execute each layer intanciated pipeline.
```python
# Assuming that timestamped gaze positions are available
diff --git a/docs/user_guide/gaze_analysis_pipeline/gaze_analysis_logging.md b/docs/user_guide/gaze_analysis_pipeline/gaze_analysis_logging.md
index d79e3a6..422b43b 100644
--- a/docs/user_guide/gaze_analysis_pipeline/gaze_analysis_logging.md
+++ b/docs/user_guide/gaze_analysis_pipeline/gaze_analysis_logging.md
@@ -1,11 +1,11 @@
Log gaze analysis
=================
-[ArFrame](../../../argaze/#argaze.ArFeatures.ArFrame) and [ArLayer](../../../argaze/#argaze.ArFeatures.ArLayer) logging are optional pipeline steps. They are executed at each new scan path step to update logs.
+[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/#argaze.ArFeatures.ArFrame) and [ArLayer](../../../argaze/#argaze.ArFeatures.ArLayer) have a log attribute to enable analysis 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:
@@ -46,9 +46,9 @@ for layer_name, layer in ar_frame.layers.items():
```
!!! note
- [ArFrame](../../../argaze/#argaze.ArFeatures.ArFrame) and its [ArLayers](../../../argaze/#argaze.ArFeatures.ArLayer) logging are automatically done each time the [ArFrame.look](../../../argaze/#argaze.ArFeatures.ArFrame.look) method is called.
- [ArFrame](../../../argaze/#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/#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.
+ [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
@@ -74,7 +74,7 @@ for layer_name, layer in ar_frame.layers.items():
```
-Assuming that [ArGaze.GazeAnalysis.Basic](../../../argaze/#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:
+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|
|:----------|:------------|:------------------------------|:-----------|
@@ -86,7 +86,7 @@ Assuming that [ArGaze.GazeAnalysis.Basic](../../../argaze/#argaze.GazeAnalysis.B
|7719 |6050 |652.8 |7 |
|... |... |... |... |
-Assuming that [ArGaze.GazeAnalysis.NGram](../../../argaze/#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:
+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|
|:----------|:-----------|
diff --git a/docs/user_guide/gaze_analysis_pipeline/heatmap_visualisation.md b/docs/user_guide/gaze_analysis_pipeline/heatmap_visualisation.md
index 24a8f32..a1f1672 100644
--- a/docs/user_guide/gaze_analysis_pipeline/heatmap_visualisation.md
+++ b/docs/user_guide/gaze_analysis_pipeline/heatmap_visualisation.md
@@ -1,13 +1,13 @@
Visualize heatmap
=================
-Heatmap is an optional [ArFrame](../../../argaze/#argaze.ArFeatures.ArFrame) pipeline step. It is executed at each new gaze position to update heatmap image.
+Heatmap is an optional [ArFrame](../../argaze.md/#argaze.ArFeatures.ArFrame) pipeline step. It is executed at each new gaze position to update heatmap image.
![Heatmap](../../img/ar_frame_heatmap.png)
## Enable ArFrame heatmap
-[ArFrame](../../../argaze/#argaze.ArFeatures.ArFrame) heatmap visualization can be enabled thanks to a dedicated JSON entry.
+[ArFrame](../../argaze.md/#argaze.ArFeatures.ArFrame) heatmap visualization can be enabled thanks to a dedicated JSON entry.
Here is the JSON ArFrame configuration file example where heatmap visualization is enabled:
@@ -58,7 +58,7 @@ The size of point spread images buffer (0 means no buffering) to visualize only
## Export heatmap to PNG file
-Once timestamped gaze positions have been processed by [ArFrame.look](../../../argaze/#argaze.ArFeatures.ArFrame.look) method, it is possible to write heatmap image thanks to OpenCV package.
+Once timestamped gaze positions have been processed by [ArFrame.look](../../argaze.md/#argaze.ArFeatures.ArFrame.look) method, it is possible to write heatmap image thanks to OpenCV package.
```python
import cv2
diff --git a/docs/user_guide/gaze_analysis_pipeline/introduction.md b/docs/user_guide/gaze_analysis_pipeline/introduction.md
index e696088..8c4d159 100644
--- a/docs/user_guide/gaze_analysis_pipeline/introduction.md
+++ b/docs/user_guide/gaze_analysis_pipeline/introduction.md
@@ -9,12 +9,12 @@ First, let's look at the schema below: it gives an overview of the main notions
To build your own gaze analysis pipeline, you need to know:
-* [How to edit timestamped gaze positions](../timestamped_gaze_positions_edition),
-* [How to deal with an ArFrame instance](../ar_frame_configuration_and_execution),
-* [How to deal with an ArLayer instance](../ar_layer_configuration_and_execution),
-* [How to log resulted gaze analysis](../gaze_analysis_logging),
-* [How to visualize heatmap](../heatmap_visualisation).
+* [How to edit timestamped gaze positions](timestamped_gaze_positions_edition.md),
+* [How to deal with an ArFrame instance](ar_frame_configuration_and_execution.md),
+* [How to deal with an ArLayer instance](ar_layer_configuration_and_execution.md),
+* [How to log resulted gaze analysis](gaze_analysis_logging.md),
+* [How to visualize heatmap](heatmap_visualisation.md).
More advanced features are also explained like:
-* [How to load module from another package](../advanced_topics/module_loading)
+* [How to load module from another package](advanced_topics/module_loading.md)
diff --git a/docs/user_guide/gaze_analysis_pipeline/timestamped_gaze_positions_edition.md b/docs/user_guide/gaze_analysis_pipeline/timestamped_gaze_positions_edition.md
index 3b30bf8..73ed9e1 100644
--- a/docs/user_guide/gaze_analysis_pipeline/timestamped_gaze_positions_edition.md
+++ b/docs/user_guide/gaze_analysis_pipeline/timestamped_gaze_positions_edition.md
@@ -28,7 +28,7 @@ for timestamp, gaze_position in ts_gaze_positions.items():
## Edit gaze positions from live stream
-When gaze positions comes from a real time input, gaze position can be edited thanks to [GazePosition](../../../argaze/#argaze.GazeFeatures.GazePosition) class.
+When gaze positions comes from a real time input, gaze position can be edited thanks to [GazePosition](../../argaze.md/#argaze.GazeFeatures.GazePosition) class.
Besides, timestamps can be edited from the incoming data stream or, if not available, they can be edited thanks to the python [time package](https://docs.python.org/3/library/time.html).
``` python