Using relative path to code reference to make it works online.

23 files changed, 89 insertions, 89 deletions

diff --git a/docs/user_guide/ar_environment/environment_exploitation.md b/docs/user_guide/ar_environment/environment_exploitation.md
index a28b74d..f07d150 100644
--- a/docs/user_guide/ar_environment/environment_exploitation.md
+++ b/docs/user_guide/ar_environment/environment_exploitation.md
@@ -1,7 +1,7 @@
 Environment exploitation
 ========================
 
-Once loaded, [ArEnvironment](/argaze/#argaze.ArFeatures.ArEnvironment) assets can be exploited as illustrated below:
+Once loaded, [ArEnvironment](../../../argaze/#argaze.ArFeatures.ArEnvironment) assets can be exploited as illustrated below:
 
 ```python
 # Access to AR environment ArUco detector passing it a frame where to detect ArUco markers
diff --git a/docs/user_guide/ar_environment/environment_setup.md b/docs/user_guide/ar_environment/environment_setup.md
index bbfdbd6..1147181 100644
--- a/docs/user_guide/ar_environment/environment_setup.md
+++ b/docs/user_guide/ar_environment/environment_setup.md
@@ -1,9 +1,9 @@
 Environment Setup
 =================
 
-[ArEnvironment](/argaze/#argaze.ArFeatures.ArEnvironment) setup is loaded from JSON file format.
+[ArEnvironment](../../../argaze/#argaze.ArFeatures.ArEnvironment) setup is loaded from JSON file format.
 
-Each [ArEnvironment](/argaze/#argaze.ArFeatures.ArEnvironment) defines a unique [ArUcoDetector](/argaze/#argaze.ArUcoMarkers.ArUcoDetector.ArUcoDetector) dedicated to detection of markers from a specific [ArUcoMarkersDictionary](/argaze/#argaze.ArUcoMarkers.ArUcoMarkersDictionary) and with a given size. However, it is possible to load multiple [ArScene](/argaze/#argaze.ArFeatures.ArScene) into a same [ArEnvironment](/argaze/#argaze.ArFeatures.ArEnvironment).
+Each [ArEnvironment](../../../argaze/#argaze.ArFeatures.ArEnvironment) defines a unique [ArUcoDetector](../../../argaze/#argaze.ArUcoMarkers.ArUcoDetector.ArUcoDetector) dedicated to detection of markers from a specific [ArUcoMarkersDictionary](../../../argaze/#argaze.ArUcoMarkers.ArUcoMarkersDictionary) and with a given size. However, it is possible to load multiple [ArScene](../../../argaze/#argaze.ArFeatures.ArScene) into a same [ArEnvironment](../../../argaze/#argaze.ArFeatures.ArEnvironment).
 
 Here is JSON environment file example where it is assumed that mentioned .obj files are located relatively to the environment file on disk.
 
diff --git a/docs/user_guide/areas_of_interest/aoi_frame.md b/docs/user_guide/areas_of_interest/aoi_frame.md
index 855e302..350efa8 100644
--- a/docs/user_guide/areas_of_interest/aoi_frame.md
+++ b/docs/user_guide/areas_of_interest/aoi_frame.md
@@ -5,7 +5,7 @@ title: AOI frame
 AOI Frame
 =========
 
-[AOIFeatures](/argaze/#argaze/AreaOfInterest.AOIFeatures) provides [AOIFrame](/argaze/#argaze/AreaOfInterest.AOIFeatures.AOIFrame) class to draw into an 2D AOI.
+[AOIFeatures](../../../argaze/#argaze/AreaOfInterest.AOIFeatures) provides [AOIFrame](../../../argaze/#argaze/AreaOfInterest.AOIFeatures.AOIFrame) class to draw into an 2D AOI.
 
 ## Point spread
 
diff --git a/docs/user_guide/areas_of_interest/aoi_matching.md b/docs/user_guide/areas_of_interest/aoi_matching.md
index 299a212..1e18238 100644
--- a/docs/user_guide/areas_of_interest/aoi_matching.md
+++ b/docs/user_guide/areas_of_interest/aoi_matching.md
@@ -5,9 +5,9 @@ title: AOI matching
 AOI matching
 ============
 
-Once [AOI3DScene](/argaze/#argaze.AreaOfInterest.AOI3DScene) is projected into a frame as [AOI2DScene](/argaze/#argaze.AreaOfInterest.AOI2DScene), it could be needed to know which AOI is looked.
+Once [AOI3DScene](../../../argaze/#argaze.AreaOfInterest.AOI3DScene) is projected into a frame as [AOI2DScene](../../../argaze/#argaze.AreaOfInterest.AOI2DScene), it could be needed to know which AOI is looked.
 
-The [AreaOfInterest](/argaze/#argaze.AreaOfInterest.AOIFeatures.AreaOfInterest) class in [AOIFeatures](/argaze/#argaze.AreaOfInterest.AOIFeatures) provides two ways to accomplish such task.
+The [AreaOfInterest](../../../argaze/#argaze.AreaOfInterest.AOIFeatures.AreaOfInterest) class in [AOIFeatures](../../../argaze/#argaze.AreaOfInterest.AOIFeatures) provides two ways to accomplish such task.
 
 ## Pointer-based matching
 
diff --git a/docs/user_guide/areas_of_interest/aoi_scene_description.md b/docs/user_guide/areas_of_interest/aoi_scene_description.md
index e6a8a16..d50f061 100644
--- a/docs/user_guide/areas_of_interest/aoi_scene_description.md
+++ b/docs/user_guide/areas_of_interest/aoi_scene_description.md
@@ -5,7 +5,7 @@ title: AOI scene description
 AOI scene description
 =====================
 
-An [AOI3DScene](/argaze/#argaze.AreaOfInterest.AOI3DScene) is built from a 3D model with all AOI as 3D planes and loaded through OBJ file format. 
+An [AOI3DScene](../../../argaze/#argaze.AreaOfInterest.AOI3DScene) is built from a 3D model with all AOI as 3D planes and loaded through OBJ file format. 
 Notice that plane normals are not needed and planes are not necessary 4 vertices shapes.
 
 ``` obj
@@ -47,7 +47,7 @@ f 185 190 186 188 191 187 189
 ...
 ```
 
-Here is a sample of code to show the loading of an [AOI3DScene](/argaze/#argaze.AreaOfInterest.AOI3DScene) from an OBJ file description:
+Here is a sample of code to show the loading of an [AOI3DScene](../../../argaze/#argaze.AreaOfInterest.AOI3DScene) from an OBJ file description:
 
 ``` python
 from argaze.AreaOfInterest import AOI3DScene
diff --git a/docs/user_guide/areas_of_interest/aoi_scene_projection.md b/docs/user_guide/areas_of_interest/aoi_scene_projection.md
index 4d06e87..ad50f6f 100644
--- a/docs/user_guide/areas_of_interest/aoi_scene_projection.md
+++ b/docs/user_guide/areas_of_interest/aoi_scene_projection.md
@@ -5,7 +5,7 @@ title: AOI scene projection
 AOI scene projection
 ====================
 
-An [AOI3DScene](/argaze/#argaze.AreaOfInterest.AOI3DScene) can be rotated and translated according to a pose estimation before to project it onto camera frame as an [AOI2DScene](/argaze/#argaze.AreaOfInterest.AOI2DScene).
+An [AOI3DScene](../../../argaze/#argaze.AreaOfInterest.AOI3DScene) can be rotated and translated according to a pose estimation before to project it onto camera frame as an [AOI2DScene](../../../argaze/#argaze.AreaOfInterest.AOI2DScene).
 
 ![AOI projection](../../img/aoi_projection.png)
 
diff --git a/docs/user_guide/areas_of_interest/introduction.md b/docs/user_guide/areas_of_interest/introduction.md
index 201e4b2..ce0a6ef 100644
--- a/docs/user_guide/areas_of_interest/introduction.md
+++ b/docs/user_guide/areas_of_interest/introduction.md
@@ -1,8 +1,8 @@
 About Areas Of Interest (AOI)
 =============================
 
-The [AreaOfInterest submodule](/argaze/#argaze.AreaOfInterest) allows to deal with AOI in a AR environment through a set of high level classes:
+The [AreaOfInterest submodule](../../../argaze/#argaze.AreaOfInterest) allows to deal with AOI in a AR environment through a set of high level classes:
 
-* [AOIFeatures](/argaze/#argaze.AreaOfInterest.AOIFeatures)
-* [AOI3DScene](/argaze/#argaze.AreaOfInterest.AOI3DScene)
-* [AOI2DScene](/argaze/#argaze.AreaOfInterest.AOI2DScene)
\ No newline at end of file
+* [AOIFeatures](../../../argaze/#argaze.AreaOfInterest.AOIFeatures)
+* [AOI3DScene](../../../argaze/#argaze.AreaOfInterest.AOI3DScene)
+* [AOI2DScene](../../../argaze/#argaze.AreaOfInterest.AOI2DScene)
\ No newline at end of file
diff --git a/docs/user_guide/areas_of_interest/vision_cone_filtering.md b/docs/user_guide/areas_of_interest/vision_cone_filtering.md
index e1f4f82..ddd83bd 100644
--- a/docs/user_guide/areas_of_interest/vision_cone_filtering.md
+++ b/docs/user_guide/areas_of_interest/vision_cone_filtering.md
@@ -1,7 +1,7 @@
 Vision cone filtering
 =====================
 
-The [AOI3DScene](/argaze/#argaze.AreaOfInterest.AOI3DScene) provides cone clipping support in order to select only [AOI](/argaze/#argaze.AreaOfInterest.AOIFeatures.AreaOfInterest) which are inside vision cone field.
+The [AOI3DScene](../../../argaze/#argaze.AreaOfInterest.AOI3DScene) provides cone clipping support in order to select only [AOI](../../../argaze/#argaze.AreaOfInterest.AOIFeatures.AreaOfInterest) which are inside vision cone field.
 
 ![Vision cone](../../img/vision_cone.png)
 
diff --git a/docs/user_guide/aruco_markers/camera_calibration.md b/docs/user_guide/aruco_markers/camera_calibration.md
index ea2c51a..7bff480 100644
--- a/docs/user_guide/aruco_markers/camera_calibration.md
+++ b/docs/user_guide/aruco_markers/camera_calibration.md
@@ -5,7 +5,7 @@ Any camera device have to be calibrated to compensate its optical distorsion.
 
 ![Camera calibration](../../img/camera_calibration.png)
 
-The first step to calibrate a camera is to create an [ArUcoBoard](/argaze/#argaze.ArUcoMarkers.ArUcoBoard) like in the code below:
+The first step to calibrate a camera is to create an [ArUcoBoard](../../../argaze/#argaze.ArUcoMarkers.ArUcoBoard) like in the code below:
 
 ``` python
 from argaze.ArUcoMarkers import ArUcoMarkersDictionary, ArUcoBoard
@@ -20,7 +20,7 @@ aruco_board = ArUcoBoard.ArUcoBoard(7, 5, 5, 3, aruco_dictionary)
 aruco_board.save('./calibration_board.png', 300)
 ```
 
-Then, the calibration process needs to make many different captures of an [ArUcoBoard](/argaze/#argaze.ArUcoMarkers.ArUcoBoard) through the camera and then, pass them to an [ArUcoDetector](/argaze/#argaze.ArUcoMarkers.ArUcoDetector.ArUcoDetector) instance to detect board corners and store them as calibration data to an [ArUcoOpticCalibrator](/argaze/#argaze.ArUcoMarkers.ArUcoOpticCalibrator) for final calibration process.
+Then, the calibration process needs to make many different captures of an [ArUcoBoard](../../../argaze/#argaze.ArUcoMarkers.ArUcoBoard) through the camera and then, pass them to an [ArUcoDetector](../../../argaze/#argaze.ArUcoMarkers.ArUcoDetector.ArUcoDetector) instance to detect board corners and store them as calibration data to an [ArUcoOpticCalibrator](../../../argaze/#argaze.ArUcoMarkers.ArUcoOpticCalibrator) for final calibration process.
 
 ![Calibration step](../../img/camera_calibration_step.png)
 
@@ -81,7 +81,7 @@ else:
     print('\nCalibration error.')
 ```
 
-Then, the camera calibration data are loaded to compensate optical distorsion during [ArUcoMarkers](/argaze/#argaze.ArUcoMarkers.ArUcoMarker) detection:
+Then, the camera calibration data are loaded to compensate optical distorsion during [ArUcoMarkers](../../../argaze/#argaze.ArUcoMarkers.ArUcoMarker) detection:
 
 ``` python
 from argaze.ArUcoMarkers import ArUcoOpticCalibrator
diff --git a/docs/user_guide/aruco_markers/introduction.md b/docs/user_guide/aruco_markers/introduction.md
index 7da045c..8f4baf9 100644
--- a/docs/user_guide/aruco_markers/introduction.md
+++ b/docs/user_guide/aruco_markers/introduction.md
@@ -5,11 +5,11 @@ About ArUco markers
 
 The OpenCV library provides a module to detect fiducial markers into a picture and estimate its pose (cf [OpenCV ArUco tutorial page](https://docs.opencv.org/4.x/d5/dae/tutorial_aruco_detection.html)).
 
-The ArGaze [ArUcoMarkers submodule](/argaze/#argaze.ArUcoMarkers) eases markers creation, camera calibration, markers detection and 3D scene pose estimation through a set of high level classes:
-
-* [ArUcoMarkersDictionary](/argaze/#argaze.ArUcoMarkers.ArUcoMarkersDictionary)
-* [ArUcoMarkers](/argaze/#argaze.ArUcoMarkers.ArUcoMarker)
-* [ArUcoBoard](/argaze/#argaze.ArUcoMarkers.ArUcoBoard)
-* [ArUcoOpticCalibrator](/argaze/#argaze.ArUcoMarkers.ArUcoOpticCalibrator)
-* [ArUcoDetector](/argaze/#argaze.ArUcoMarkers.ArUcoDetector)
-* [ArUcoScene](/argaze/#argaze.ArUcoMarkers.ArUcoScene)
\ No newline at end of file
+The ArGaze [ArUcoMarkers submodule](../../../argaze/#argaze.ArUcoMarkers) eases markers creation, camera calibration, markers detection and 3D scene pose estimation through a set of high level classes:
+
+* [ArUcoMarkersDictionary](../../../argaze/#argaze.ArUcoMarkers.ArUcoMarkersDictionary)
+* [ArUcoMarkers](../../../argaze/#argaze.ArUcoMarkers.ArUcoMarker)
+* [ArUcoBoard](../../../argaze/#argaze.ArUcoMarkers.ArUcoBoard)
+* [ArUcoOpticCalibrator](../../../argaze/#argaze.ArUcoMarkers.ArUcoOpticCalibrator)
+* [ArUcoDetector](../../../argaze/#argaze.ArUcoMarkers.ArUcoDetector)
+* [ArUcoScene](../../../argaze/#argaze.ArUcoMarkers.ArUcoScene)
\ No newline at end of file
diff --git a/docs/user_guide/aruco_markers/markers_creation.md b/docs/user_guide/aruco_markers/markers_creation.md
index 1725fe4..89c7fc6 100644
--- a/docs/user_guide/aruco_markers/markers_creation.md
+++ b/docs/user_guide/aruco_markers/markers_creation.md
@@ -1,7 +1,7 @@
 Markers creation
 ================
 
-The creation of [ArUcoMarkers](/argaze/#argaze.ArUcoMarkers.ArUcoMarker) from a dictionary is illustrated in the code below:
+The creation of [ArUcoMarkers](../../../argaze/#argaze.ArUcoMarkers.ArUcoMarker) from a dictionary is illustrated in the code below:
  
 ``` python
 from argaze.ArUcoMarkers import ArUcoMarkersDictionary
diff --git a/docs/user_guide/aruco_markers/markers_detection.md b/docs/user_guide/aruco_markers/markers_detection.md
index f8a23f9..3851cb4 100644
--- a/docs/user_guide/aruco_markers/markers_detection.md
+++ b/docs/user_guide/aruco_markers/markers_detection.md
@@ -3,7 +3,7 @@ Markers detection
 
 ![Detected markers](../../img/detected_markers.png)
 
-Firstly, the [ArUcoDetector](/argaze/#argaze.ArUcoMarkers.ArUcoDetector.ArUcoDetector) needs to know the expected dictionary and size (in centimeter) of the [ArUcoMarkers](/argaze/#argaze.ArUcoMarkers.ArUcoMarker) it have to detect.
+Firstly, the [ArUcoDetector](../../../argaze/#argaze.ArUcoMarkers.ArUcoDetector.ArUcoDetector) needs to know the expected dictionary and size (in centimeter) of the [ArUcoMarkers](../../../argaze/#argaze.ArUcoMarkers.ArUcoMarker) it have to detect.
 
 Notice that extra parameters are passed to detector: see [OpenCV ArUco markers detection parameters documentation](https://docs.opencv.org/4.x/d1/dcd/structcv_1_1aruco_1_1DetectorParameters.html) to know more.
 
@@ -19,7 +19,7 @@ extra_parameters = ArUcoDetector.DetectorParameters.from_json('./detector_parame
 aruco_detector = ArUcoDetector.ArUcoDetector(optic_parameters=optic_parameters, dictionary='DICT_APRILTAG_16h5', marker_size=5, parameters=extra_parameters)
 ```
 
-Here is [DetectorParameters](/argaze/#argaze.ArUcoMarkers.ArUcoDetector.DetectorParameters) JSON file example:
+Here is [DetectorParameters](../../../argaze/#argaze.ArUcoMarkers.ArUcoDetector.DetectorParameters) JSON file example:
 
 ```
 {
@@ -29,7 +29,7 @@ Here is [DetectorParameters](/argaze/#argaze.ArUcoMarkers.ArUcoDetector.Detector
 }
 ```
 
-The [ArUcoDetector](/argaze/#argaze.ArUcoMarkers.ArUcoDetector.ArUcoDetector) processes frame to detect markers and allows to draw detection results onto it:
+The [ArUcoDetector](../../../argaze/#argaze.ArUcoMarkers.ArUcoDetector.ArUcoDetector) processes frame to detect markers and allows to draw detection results onto it:
 
 ``` python
 # Detect markers into a frame and draw them
diff --git a/docs/user_guide/aruco_markers/markers_pose_estimation.md b/docs/user_guide/aruco_markers/markers_pose_estimation.md
index 09db325..45ef70d 100644
--- a/docs/user_guide/aruco_markers/markers_pose_estimation.md
+++ b/docs/user_guide/aruco_markers/markers_pose_estimation.md
@@ -1,7 +1,7 @@
 Markers pose estimation
 =======================
 
-After [ArUcoMarkers](/argaze/#argaze.ArUcoMarkers.ArUcoMarker) detection, it is possible to estimate [ArUcoMarkers](/argaze/#argaze.ArUcoMarkers.ArUcoMarker) pose in camera axis.
+After [ArUcoMarkers](../../../argaze/#argaze.ArUcoMarkers.ArUcoMarker) detection, it is possible to estimate [ArUcoMarkers](../../../argaze/#argaze.ArUcoMarkers.ArUcoMarker) pose in camera axis.
 
 ![Pose estimation](../../img/pose_estimation.png)
 
diff --git a/docs/user_guide/aruco_markers/markers_scene_description.md b/docs/user_guide/aruco_markers/markers_scene_description.md
index 6dbc4fd..3ea962e 100644
--- a/docs/user_guide/aruco_markers/markers_scene_description.md
+++ b/docs/user_guide/aruco_markers/markers_scene_description.md
@@ -1,11 +1,11 @@
 Markers scene description
 =========================
 
-The ArGaze toolkit provides [ArUcoScene](/argaze/#argaze.ArUcoMarkers.ArUcoScene) class to describe where [ArUcoMarkers](/argaze/#argaze.ArUcoMarkers.ArUcoMarker) are placed into a 3D model.
+The ArGaze toolkit provides [ArUcoScene](../../../argaze/#argaze.ArUcoMarkers.ArUcoScene) class to describe where [ArUcoMarkers](../../../argaze/#argaze.ArUcoMarkers.ArUcoMarker) are placed into a 3D model.
 
 ![ArUco scene](../../img/aruco_scene.png)
 
-[ArUcoScene](/argaze/#argaze.ArUcoMarkers.ArUcoScene) is useful to: 
+[ArUcoScene](../../../argaze/#argaze.ArUcoMarkers.ArUcoScene) is useful to: 
 
 * filter markers that belongs to this predefined scene, 
 * check the consistency of detected markers according the place where each marker is expected to be,
@@ -33,7 +33,7 @@ f 5//2 6//2 8//2 7//2
 ...
 ```
 
-[ArUcoScene](/argaze/#argaze.ArUcoMarkers.ArUcoScene) description can also be written in a JSON file format.
+[ArUcoScene](../../../argaze/#argaze.ArUcoMarkers.ArUcoScene) description can also be written in a JSON file format.
 
 ``` json
 {
@@ -56,7 +56,7 @@ f 5//2 6//2 8//2 7//2
 }
 ```
 
-Here is a sample of code to show the loading of an [ArUcoScene](/argaze/#argaze.ArUcoMarkers.ArUcoScene) OBJ file description:
+Here is a sample of code to show the loading of an [ArUcoScene](../../../argaze/#argaze.ArUcoMarkers.ArUcoScene) OBJ file description:
 
 ``` python
 from argaze.ArUcoMarkers import ArUcoScene
@@ -91,7 +91,7 @@ consistent_markers, unconsistent_markers, unconsistencies = aruco_scene.check_ma
 
 ## Scene pose estimation
 
-Several approaches are available to perform [ArUcoScene](/argaze/#argaze.ArUcoMarkers.ArUcoScene) pose estimation from markers belonging to the scene.
+Several approaches are available to perform [ArUcoScene](../../../argaze/#argaze.ArUcoMarkers.ArUcoScene) pose estimation from markers belonging to the scene.
 
 The first approach considers that scene pose can be estimated **from a single marker pose**:
 
diff --git a/docs/user_guide/gaze_analysis/gaze_movement.md b/docs/user_guide/gaze_analysis/gaze_movement.md
index 932afac..e022be0 100644
--- a/docs/user_guide/gaze_analysis/gaze_movement.md
+++ b/docs/user_guide/gaze_analysis/gaze_movement.md
@@ -9,26 +9,26 @@ Gaze movement
 
         Citation from ["One algorithm to rule them all? An evaluation and discussion of ten eye movement event-detection algorithms"](https://link.springer.com/article/10.3758/s13428-016-0738-9) article.
 
-[GazeFeatures](/argaze/#argaze.GazeFeatures) defines abstract [GazeMovement](/argaze/#argaze.GazeFeatures.GazeMovement) class, then abstract [Fixation](/argaze/#argaze.GazeFeatures.Fixation) and [Saccade](/argaze/#argaze.GazeFeatures.Saccade) classes which inherit from [GazeMovement](/argaze/#argaze.GazeFeatures.GazeMovement).
+[GazeFeatures](../../../argaze/#argaze.GazeFeatures) defines abstract [GazeMovement](../../../argaze/#argaze.GazeFeatures.GazeMovement) class, then abstract [Fixation](../../../argaze/#argaze.GazeFeatures.Fixation) and [Saccade](../../../argaze/#argaze.GazeFeatures.Saccade) classes which inherit from [GazeMovement](../../../argaze/#argaze.GazeFeatures.GazeMovement).
 
-The **positions** [GazeMovement](/argaze/#argaze.GazeFeatures.GazeMovement) attribute contain all [GazePositions](/argaze/#argaze.GazeFeatures.GazePosition) belonging to itself.
+The **positions** [GazeMovement](../../../argaze/#argaze.GazeFeatures.GazeMovement) attribute contain all [GazePositions](../../../argaze/#argaze.GazeFeatures.GazePosition) belonging to itself.
 
 ![Fixation and Saccade](../../img/fixation_and_saccade.png)
 
 ## Identification
 
-[GazeFeatures](/argaze/#argaze.GazeFeatures) defines abstract [GazeMovementIdentifier](/argaze/#argaze.GazeFeatures.GazeMovementIdentifier) classe to let add various identification algorithms.
+[GazeFeatures](../../../argaze/#argaze.GazeFeatures) defines abstract [GazeMovementIdentifier](../../../argaze/#argaze.GazeFeatures.GazeMovementIdentifier) classe to let add various identification algorithms.
 
-Some gaze movement identification algorithms are available thanks to [GazeAnalysis](/argaze/#argaze.GazeAnalysis) submodule:
+Some gaze movement identification algorithms are available thanks to [GazeAnalysis](../../../argaze/#argaze.GazeAnalysis) submodule:
 
-* [Dispersion threshold identification (I-DT)](/argaze/#argaze.GazeAnalysis.DispersionThresholdIdentification)
-* [Velocity threshold identification (I-VT)](/argaze/#argaze.GazeAnalysis.VelocityThresholdIdentification)
+* [Dispersion threshold identification (I-DT)](../../../argaze/#argaze.GazeAnalysis.DispersionThresholdIdentification)
+* [Velocity threshold identification (I-VT)](../../../argaze/#argaze.GazeAnalysis.VelocityThresholdIdentification)
 
 ### Identify method
 
-[GazeMovementIdentifier.identify](/argaze/#argaze.GazeFeatures.GazeMovementIdentifier.identify) method allows to fed its identification algorithm with successive gaze positions to output Fixation, Saccade or any kind of GazeMovement instances.
+[GazeMovementIdentifier.identify](../../../argaze/#argaze.GazeFeatures.GazeMovementIdentifier.identify) method allows to fed its identification algorithm with successive gaze positions to output Fixation, Saccade or any kind of GazeMovement instances.
 
-Here is a sample of code based on [I-DT](/argaze/#argaze.GazeAnalysis.DispersionThresholdIdentification) algorithm to illustrate how to use it:
+Here is a sample of code based on [I-DT](../../../argaze/#argaze.GazeAnalysis.DispersionThresholdIdentification) algorithm to illustrate how to use it:
 
 ``` python
 from argaze import GazeFeatures
@@ -81,13 +81,13 @@ gaze_movement_identifier = DispersionThresholdIdentification.GazeMovementIdentif
 
 ### Browse method
 
-[GazeMovementIdentifier.browse](/argaze/#argaze.GazeFeatures.GazeMovementIdentifier.browse) method allows to pass a [TimeStampedGazePositions](/argaze/#argaze.GazeFeatures.TimeStampedGazePositions) buffer to apply identification algorithm on all gaze positions inside.
+[GazeMovementIdentifier.browse](../../../argaze/#argaze.GazeFeatures.GazeMovementIdentifier.browse) method allows to pass a [TimeStampedGazePositions](../../../argaze/#argaze.GazeFeatures.TimeStampedGazePositions) buffer to apply identification algorithm on all gaze positions inside.
 
 Identified gaze movements are returned through:
 
-* [TimeStampedGazeMovements](/argaze/#argaze.GazeFeatures.TimeStampedGazeMovements) instance where all fixations are stored by starting gaze position timestamp.
-* [TimeStampedGazeMovements](/argaze/#argaze.GazeFeatures.TimeStampedGazeMovements) instance where all saccades are stored by starting gaze position timestamp.
-* [TimeStampedGazeStatus](/argaze/#argaze.GazeFeatures.TimeStampedGazeStatus) instance where all gaze positions are linked to a fixation or saccade index.
+* [TimeStampedGazeMovements](../../../argaze/#argaze.GazeFeatures.TimeStampedGazeMovements) instance where all fixations are stored by starting gaze position timestamp.
+* [TimeStampedGazeMovements](../../../argaze/#argaze.GazeFeatures.TimeStampedGazeMovements) instance where all saccades are stored by starting gaze position timestamp.
+* [TimeStampedGazeStatus](../../../argaze/#argaze.GazeFeatures.TimeStampedGazeStatus) instance where all gaze positions are linked to a fixation or saccade index.
 
 ``` python
 # Assuming that timestamped gaze positions are provided through data reading
@@ -136,13 +136,13 @@ ts_fixations, ts_saccades, ts_status = gaze_movement_identifier.browse(ts_gaze_p
 
 
 !!! note
-        [TimeStampedGazeMovements](/argaze/#argaze.GazeFeatures.TimeStampedGazeMovements), [TimeStampedGazeMovements](/argaze/#argaze.GazeFeatures.TimeStampedGazeMovements) and [TimeStampedGazeStatus](/argaze/#argaze.GazeFeatures.TimeStampedGazeStatus) classes inherit from [TimeStampedBuffer](/argaze/#argaze.DataStructures.TimeStampedBuffer) class. 
+        [TimeStampedGazeMovements](../../../argaze/#argaze.GazeFeatures.TimeStampedGazeMovements), [TimeStampedGazeMovements](../../../argaze/#argaze.GazeFeatures.TimeStampedGazeMovements) and [TimeStampedGazeStatus](../../../argaze/#argaze.GazeFeatures.TimeStampedGazeStatus) classes inherit from [TimeStampedBuffer](../../../argaze/#argaze.DataStructures.TimeStampedBuffer) class. 
 
         Read [Timestamped data](../timestamped_data/introduction.md) section to understand all features it provides.
 
 ### Generator method
 
-[GazeMovementIdentifier](/argaze/#argaze.GazeFeatures.GazeMovementIdentifier) can be called with a [TimeStampedGazePositions](/argaze/#argaze.GazeFeatures.TimeStampedGazePositions) buffer in argument to generate gaze movement each time one is identified.
+[GazeMovementIdentifier](../../../argaze/#argaze.GazeFeatures.GazeMovementIdentifier) can be called with a [TimeStampedGazePositions](../../../argaze/#argaze.GazeFeatures.TimeStampedGazePositions) buffer in argument to generate gaze movement each time one is identified.
 
 ``` python
 # Assuming that timestamped gaze positions are provided through data reading
diff --git a/docs/user_guide/gaze_analysis/gaze_position.md b/docs/user_guide/gaze_analysis/gaze_position.md
index 67f15f8..9cc7f85 100644
--- a/docs/user_guide/gaze_analysis/gaze_position.md
+++ b/docs/user_guide/gaze_analysis/gaze_position.md
@@ -1,7 +1,7 @@
 Gaze position
 =============
 
-[GazeFeatures](/argaze/#argaze.GazeFeatures) defines a [GazePosition](/argaze/#argaze.GazeFeatures.GazePosition) class to handle point coordinates with a precision value.
+[GazeFeatures](../../../argaze/#argaze.GazeFeatures) defines a [GazePosition](../../../argaze/#argaze.GazeFeatures.GazePosition) class to handle point coordinates with a precision value.
 
 ``` python
 from argaze import GazeFeatures
@@ -20,7 +20,7 @@ print(f'precision: {gaze_position.precision}')
 
 ## Validity
 
-[GazeFeatures](/argaze/#argaze.GazeFeatures) defines also a [UnvalidGazePosition](/argaze/#argaze.GazeFeatures.UnvalidGazePosition) class that inherits from [GazePosition](/argaze/#argaze.GazeFeatures.GazePosition) to handle case where no gaze position exists because of any specific device reason.
+[GazeFeatures](../../../argaze/#argaze.GazeFeatures) defines also a [UnvalidGazePosition](../../../argaze/#argaze.GazeFeatures.UnvalidGazePosition) class that inherits from [GazePosition](../../../argaze/#argaze.GazeFeatures.GazePosition) to handle case where no gaze position exists because of any specific device reason.
 
 ``` python
 from argaze import GazeFeatures
@@ -38,7 +38,7 @@ print(f'validity: {gaze_position.valid}')
 
 ## Distance
 
-[GazePosition](/argaze/#argaze.GazeFeatures.GazePosition) class provides a **distance** method to calculate the distance to another gaze position instance.
+[GazePosition](../../../argaze/#argaze.GazeFeatures.GazePosition) class provides a **distance** method to calculate the distance to another gaze position instance.
 
 ![Distance](../../img/distance.png)
 
@@ -49,7 +49,7 @@ d = gaze_position_A.distance(gaze_position_B)
 
 ## Overlapping
 
-[GazePosition](/argaze/#argaze.GazeFeatures.GazePosition) class provides an **overlap** method to test if a gaze position overlaps another one considering their precisions.
+[GazePosition](../../../argaze/#argaze.GazeFeatures.GazePosition) class provides an **overlap** method to test if a gaze position overlaps another one considering their precisions.
 
 ![Gaze overlapping](../../img/overlapping.png)
 
diff --git a/docs/user_guide/gaze_analysis/introduction.md b/docs/user_guide/gaze_analysis/introduction.md
index d1bb122..c888181 100644
--- a/docs/user_guide/gaze_analysis/introduction.md
+++ b/docs/user_guide/gaze_analysis/introduction.md
@@ -3,5 +3,5 @@ Gaze analysis
 
 This section refers to:
 
-* [GazeFeatures](/argaze/#argaze.GazeFeatures)
-* [GazeAnalysis](/argaze/#argaze.GazeAnalysis)
\ No newline at end of file
+* [GazeFeatures](../../../argaze/#argaze.GazeFeatures)
+* [GazeAnalysis](../../../argaze/#argaze.GazeAnalysis)
\ No newline at end of file
diff --git a/docs/user_guide/gaze_analysis/scan_path.md b/docs/user_guide/gaze_analysis/scan_path.md
index c84c879..60e9d31 100644
--- a/docs/user_guide/gaze_analysis/scan_path.md
+++ b/docs/user_guide/gaze_analysis/scan_path.md
@@ -1,27 +1,27 @@
 Scan path
 =========
 
-[GazeFeatures](/argaze/#argaze.GazeFeatures) defines classes to handle successive fixations/saccades and analyse their spatial or temporal properties.
+[GazeFeatures](../../../argaze/#argaze.GazeFeatures) defines classes to handle successive fixations/saccades and analyse their spatial or temporal properties.
 
 ## Fixation based scan path
 
 ### Definition
 
-The [ScanPath](/argaze/#argaze.GazeFeatures.ScanPath) class is defined as a list of [ScanSteps](/argaze/#argaze.GazeFeatures.ScanStep) which are defined as a fixation and a consecutive saccade.
+The [ScanPath](../../../argaze/#argaze.GazeFeatures.ScanPath) class is defined as a list of [ScanSteps](../../../argaze/#argaze.GazeFeatures.ScanStep) which are defined as a fixation and a consecutive saccade.
 
 ![Fixation based scan path](../../img/scan_path.png)
 
-As fixations and saccades are identified, the scan path is built by calling respectively [append_fixation](/argaze/#argaze.GazeFeatures.ScanPath.append_fixation) and [append_saccade](/argaze/#argaze.GazeFeatures.ScanPath.append_saccade) methods.
+As fixations and saccades are identified, the scan path is built by calling respectively [append_fixation](../../../argaze/#argaze.GazeFeatures.ScanPath.append_fixation) and [append_saccade](../../../argaze/#argaze.GazeFeatures.ScanPath.append_saccade) methods.
 
 ### Analysis
 
-[GazeFeatures](/argaze/#argaze.GazeFeatures) defines abstract [ScanPathAnalyzer](/argaze/#argaze.GazeFeatures.ScanPathAnalyzer) classe to let add various analysis algorithms.
+[GazeFeatures](../../../argaze/#argaze.GazeFeatures) defines abstract [ScanPathAnalyzer](../../../argaze/#argaze.GazeFeatures.ScanPathAnalyzer) classe to let add various analysis algorithms.
 
-Some scan path analysis are available thanks to [GazeAnalysis](/argaze/#argaze.GazeAnalysis) submodule:
+Some scan path analysis are available thanks to [GazeAnalysis](../../../argaze/#argaze.GazeAnalysis) submodule:
 
-* [K-Coefficient](/argaze/#argaze.GazeAnalysis.KCoefficient)
-* [Nearest Neighbor Index](/argaze/#argaze.GazeAnalysis.NearestNeighborIndex)
-* [Exploit Explore Ratio](/argaze/#argaze.GazeAnalysis.ExploitExploreRatio)
+* [K-Coefficient](../../../argaze/#argaze.GazeAnalysis.KCoefficient)
+* [Nearest Neighbor Index](../../../argaze/#argaze.GazeAnalysis.NearestNeighborIndex)
+* [Exploit Explore Ratio](../../../argaze/#argaze.GazeAnalysis.ExploitExploreRatio)
 
 ### Example
 
@@ -65,23 +65,23 @@ kc_analyzer = KCoefficient.ScanPathAnalyzer()
 
 ### Definition
 
-The [AOIScanPath](/argaze/#argaze.GazeFeatures.AOIScanPath) class is defined as a list of [AOIScanSteps](/argaze/#argaze.GazeFeatures.AOIScanStep) which are defined as set of consecutives fixations looking at a same Area Of Interest (AOI) and a consecutive saccade.
+The [AOIScanPath](../../../argaze/#argaze.GazeFeatures.AOIScanPath) class is defined as a list of [AOIScanSteps](../../../argaze/#argaze.GazeFeatures.AOIScanStep) which are defined as set of consecutives fixations looking at a same Area Of Interest (AOI) and a consecutive saccade.
 
 ![AOI based scan path](../../img/aoi_scan_path.png)
 
-As fixations and saccades are identified, the scan path is built by calling respectively [append_fixation](/argaze/#argaze.GazeFeatures.AOIScanPath.append_fixation) and [append_saccade](/argaze/#argaze.GazeFeatures.AOIScanPath.append_saccade) methods.
+As fixations and saccades are identified, the scan path is built by calling respectively [append_fixation](../../../argaze/#argaze.GazeFeatures.AOIScanPath.append_fixation) and [append_saccade](../../../argaze/#argaze.GazeFeatures.AOIScanPath.append_saccade) methods.
 
 ### Analysis
 
-[GazeFeatures](/argaze/#argaze.GazeFeatures) defines abstract [AOIScanPathAnalyzer](/argaze/#argaze.GazeFeatures.AOIScanPathAnalyzer) classe to let add various analysis algorithms.
+[GazeFeatures](../../../argaze/#argaze.GazeFeatures) defines abstract [AOIScanPathAnalyzer](../../../argaze/#argaze.GazeFeatures.AOIScanPathAnalyzer) classe to let add various analysis algorithms.
 
-Some scan path analysis are available thanks to [GazeAnalysis](/argaze/#argaze.GazeAnalysis) submodule:
+Some scan path analysis are available thanks to [GazeAnalysis](../../../argaze/#argaze.GazeAnalysis) submodule:
 
-* [Transition matrix](/argaze/#argaze.GazeAnalysis.TransitionMatrix)
-* [Entropy](/argaze/#argaze.GazeAnalysis.Entropy)
-* [Lempel-Ziv complexity](/argaze/#argaze.GazeAnalysis.LempelZivComplexity)
-* [N-Gram](/argaze/#argaze.GazeAnalysis.NGram)
-* [K-modified coefficient](/argaze/#argaze.GazeAnalysis.KCoefficient)
+* [Transition matrix](../../../argaze/#argaze.GazeAnalysis.TransitionMatrix)
+* [Entropy](../../../argaze/#argaze.GazeAnalysis.Entropy)
+* [Lempel-Ziv complexity](../../../argaze/#argaze.GazeAnalysis.LempelZivComplexity)
+* [N-Gram](../../../argaze/#argaze.GazeAnalysis.NGram)
+* [K-modified coefficient](../../../argaze/#argaze.GazeAnalysis.KCoefficient)
 
 ### Example
 
@@ -130,13 +130,13 @@ lzc_analyzer = LempelZivComplexity.AOIScanPathAnalyzer()
 
 ### Advanced
 
-The [AOIScanPath](/argaze/#argaze.GazeFeatures.AOIScanPath) class provides some advanced features to analyse it.
+The [AOIScanPath](../../../argaze/#argaze.GazeFeatures.AOIScanPath) class provides some advanced features to analyse it.
 
 #### String representation
 
-When a new [AOIScanStep](/argaze/#argaze.GazeFeatures.AOIScanStep) is created, the [AOIScanPath](/argaze/#argaze.GazeFeatures.AOIScanPath) internally affects a unique letter index related to its AOI to ease pattern analysis.
-Then, the [AOIScanPath str](/argaze/#argaze.GazeFeatures.AOIScanPath.__str__) representation returns the concatenation of each [AOIScanStep](/argaze/#argaze.GazeFeatures.AOIScanStep) letter.
-The [AOIScanPath get_letter_aoi](/argaze/#argaze.GazeFeatures.AOIScanPath.get_letter_aoi) method helps to get back the AOI related to a letter index.
+When a new [AOIScanStep](../../../argaze/#argaze.GazeFeatures.AOIScanStep) is created, the [AOIScanPath](../../../argaze/#argaze.GazeFeatures.AOIScanPath) internally affects a unique letter index related to its AOI to ease pattern analysis.
+Then, the [AOIScanPath str](../../../argaze/#argaze.GazeFeatures.AOIScanPath.__str__) representation returns the concatenation of each [AOIScanStep](../../../argaze/#argaze.GazeFeatures.AOIScanStep) letter.
+The [AOIScanPath get_letter_aoi](../../../argaze/#argaze.GazeFeatures.AOIScanPath.get_letter_aoi) method helps to get back the AOI related to a letter index.
 
 ``` python
 # Assuming the following AOI scan path is built: Foo > Bar > Shu > Foo
@@ -152,10 +152,10 @@ print(aoi_scan_path.get_letter_aoi('B'))
 
 #### Transition matrix
 
-When a new [AOIScanStep](/argaze/#argaze.GazeFeatures.AOIScanStep) is created, the [AOIScanPath](/argaze/#argaze.GazeFeatures.AOIScanPath) internally counts the number of transitions from an AOI to another AOI to ease Markov chain analysis.
-Then, the [AOIScanPath transition_matrix](/argaze/#argaze.GazeFeatures.AOIScanPath.transition_matrix) property returns a [Pandas DataFrame](https://pandas.pydata.org/docs/reference/api/pandas.DataFrame.html) where indexes are transition departures and columns are transition destinations.
+When a new [AOIScanStep](../../../argaze/#argaze.GazeFeatures.AOIScanStep) is created, the [AOIScanPath](../../../argaze/#argaze.GazeFeatures.AOIScanPath) internally counts the number of transitions from an AOI to another AOI to ease Markov chain analysis.
+Then, the [AOIScanPath transition_matrix](../../../argaze/#argaze.GazeFeatures.AOIScanPath.transition_matrix) property returns a [Pandas DataFrame](https://pandas.pydata.org/docs/reference/api/pandas.DataFrame.html) where indexes are transition departures and columns are transition destinations.
 
-Here is an exemple of transition matrix for the following [AOIScanPath](/argaze/#argaze.GazeFeatures.AOIScanPath): Foo > Bar > Shu > Foo > Bar
+Here is an exemple of transition matrix for the following [AOIScanPath](../../../argaze/#argaze.GazeFeatures.AOIScanPath): Foo > Bar > Shu > Foo > Bar
 
 |   |Foo|Bar|Shu|
 |:--|:--|:--|:--|
@@ -166,4 +166,4 @@ Here is an exemple of transition matrix for the following [AOIScanPath](/argaze/
 
 #### Fixations count
 
-The [AOIScanPath fixations_count](/argaze/#argaze.GazeFeatures.AOIScanPath.fixations_count) method returns the total number of fixations in the whole scan path and a dictionary to get the fixations count per AOI.
+The [AOIScanPath fixations_count](../../../argaze/#argaze.GazeFeatures.AOIScanPath.fixations_count) method returns the total number of fixations in the whole scan path and a dictionary to get the fixations count per AOI.
diff --git a/docs/user_guide/timestamped_data/data_synchronisation.md b/docs/user_guide/timestamped_data/data_synchronisation.md
index de861a9..24a474c 100644
--- a/docs/user_guide/timestamped_data/data_synchronisation.md
+++ b/docs/user_guide/timestamped_data/data_synchronisation.md
@@ -3,13 +3,13 @@ Data synchronisation
 
 Recorded data needs to be synchronized to link them before further processings. 
 
-The [TimeStampedBuffer](/argaze/#argaze.DataStructures.TimeStampedBuffer) class provides various methods to help in such task.
+The [TimeStampedBuffer](../../../argaze/#argaze.DataStructures.TimeStampedBuffer) class provides various methods to help in such task.
 
 ## Pop last before
 
 ![Pop last before](../../img/pop_last_before.png)
 
-The code below shows how to use [pop_last_before](/argaze/#argaze.DataStructures.TimeStampedBuffer.pop_last_before) method in order to synchronise two timestamped data buffers with different timestamps:
+The code below shows how to use [pop_last_before](../../../argaze/#argaze.DataStructures.TimeStampedBuffer.pop_last_before) method in order to synchronise two timestamped data buffers with different timestamps:
 
 ``` python
 from argaze import DataStructures
@@ -34,7 +34,7 @@ for A_ts, A_data in A_data_record.items():
 
 ![Pop last until](../../img/pop_last_until.png)
 
-The code below shows how to use [pop_last_until](/argaze/#argaze.DataStructures.TimeStampedBuffer.pop_last_until) method in order to synchronise two timestamped data buffers with different timestamps:
+The code below shows how to use [pop_last_until](../../../argaze/#argaze.DataStructures.TimeStampedBuffer.pop_last_until) method in order to synchronise two timestamped data buffers with different timestamps:
 
 ``` python
 from argaze import DataStructures
@@ -59,7 +59,7 @@ for A_ts, A_data in A_data_record.items():
 
 ![Get last before](../../img/get_last_before.png)
 
-The code below shows how to use [get_last_before](/argaze/#argaze.DataStructures.TimeStampedBuffer.get_last_before) method in order to synchronise two timestamped data buffers with different timestamps:
+The code below shows how to use [get_last_before](../../../argaze/#argaze.DataStructures.TimeStampedBuffer.get_last_before) method in order to synchronise two timestamped data buffers with different timestamps:
 
 ``` python
 from argaze import DataStructures
@@ -84,7 +84,7 @@ for A_ts, A_data in A_data_record.items():
 
 ![Get last until](../../img/get_last_until.png)
 
-The code below shows how to use [get_last_until](/argaze/#argaze.DataStructures.TimeStampedBuffer.get_last_until) method in order to synchronise two timestamped data buffers with different timestamps:
+The code below shows how to use [get_last_until](../../../argaze/#argaze.DataStructures.TimeStampedBuffer.get_last_until) method in order to synchronise two timestamped data buffers with different timestamps:
 
 ``` python
 from argaze import DataStructures
diff --git a/docs/user_guide/timestamped_data/introduction.md b/docs/user_guide/timestamped_data/introduction.md
index 2cee263..ed13d85 100644
--- a/docs/user_guide/timestamped_data/introduction.md
+++ b/docs/user_guide/timestamped_data/introduction.md
@@ -3,4 +3,4 @@ Timestamped data
 
 Working with wearable eye tracker devices implies to handle various timestamped data like frames, gaze positions, pupils diameter, fixations, saccades, ...
 
-This section mainly refers to [DataStructures.TimeStampedBuffer](/argaze/#argaze.DataStructures.TimeStampedBuffer) class.
+This section mainly refers to [DataStructures.TimeStampedBuffer](../../../argaze/#argaze.DataStructures.TimeStampedBuffer) class.
diff --git a/docs/user_guide/timestamped_data/ordered_dictionary.md b/docs/user_guide/timestamped_data/ordered_dictionary.md
index 8c93fc6..a3154eb 100644
--- a/docs/user_guide/timestamped_data/ordered_dictionary.md
+++ b/docs/user_guide/timestamped_data/ordered_dictionary.md
@@ -1,7 +1,7 @@
 Ordered dictionary
 ==================
 
-[TimeStampedBuffer](/argaze/#argaze.DataStructures.TimeStampedBuffer) class inherits from [OrderedDict](https://docs.python.org/3/library/collections.html#collections.OrderedDict) as data are de facto ordered by time.
+[TimeStampedBuffer](../../../argaze/#argaze.DataStructures.TimeStampedBuffer) class inherits from [OrderedDict](https://docs.python.org/3/library/collections.html#collections.OrderedDict) as data are de facto ordered by time.
 
 Any data type can be stored using int or float keys as timestamp.
 
diff --git a/docs/user_guide/timestamped_data/pandas_dataframe_conversion.md b/docs/user_guide/timestamped_data/pandas_dataframe_conversion.md
index 3e6c0a4..839460a 100644
--- a/docs/user_guide/timestamped_data/pandas_dataframe_conversion.md
+++ b/docs/user_guide/timestamped_data/pandas_dataframe_conversion.md
@@ -7,7 +7,7 @@ Pandas DataFrame conversion
 
 A [Pandas DataFrame](https://pandas.pydata.org/docs/getting_started/intro_tutorials/01_table_oriented.html#min-tut-01-tableoriented) is a python data structure allowing powerful table processings.
 
-[TimeStampedBuffer](/argaze/#argaze.DataStructures.TimeStampedBuffer) instance can be converted into dataframe provided that data values are stored as dictionaries.
+[TimeStampedBuffer](../../../argaze/#argaze.DataStructures.TimeStampedBuffer) instance can be converted into dataframe provided that data values are stored as dictionaries.
 
 ```python
 from argaze import DataStructures
diff --git a/docs/user_guide/timestamped_data/saving_and_loading.md b/docs/user_guide/timestamped_data/saving_and_loading.md
index d3f2b9c..ae26052 100644
--- a/docs/user_guide/timestamped_data/saving_and_loading.md
+++ b/docs/user_guide/timestamped_data/saving_and_loading.md
@@ -1,7 +1,7 @@
 Saving and loading
 ==================
 
-[TimeStampedBuffer](/argaze/#argaze.DataStructures.TimeStampedBuffer) instance can be saved as and loaded from JSON file format.
+[TimeStampedBuffer](../../../argaze/#argaze.DataStructures.TimeStampedBuffer) instance can be saved as and loaded from JSON file format.
 
 ```python