Harmonizing AOI/aoi without s at the end.

10 files changed, 44 insertions, 40 deletions

diff --git a/docs/index.md b/docs/index.md
index 2306490..f234a94 100644
--- a/docs/index.md
+++ b/docs/index.md
@@ -18,7 +18,7 @@ First of all, **ArGaze** provides extensible modules library allowing to select
 * **Area Of Interest (AOI) matching**: focus point inside, deviation circle coverage, ...
 * **Scan path analysis**: transition matrix, entropy, exploit/explore ratio, ...
 
-Once incoming data formatted as required, all those gaze analysis features can be used with any screen-based eye tracker devices.
+Once incoming data are formatted as required, all those gaze analysis features can be used with any screen-based eye tracker devices.
 
 [Learn how to build gaze analysis pipelines for various use cases by reading user guide dedicated section](./user_guide/gaze_analysis_pipeline/introduction.md).
 
diff --git a/docs/user_guide/aruco_markers_pipeline/aoi_3d_description.md b/docs/user_guide/aruco_markers_pipeline/aoi_3d_description.md
index 13f9c86..a2bb8d7 100644
--- a/docs/user_guide/aruco_markers_pipeline/aoi_3d_description.md
+++ b/docs/user_guide/aruco_markers_pipeline/aoi_3d_description.md
@@ -7,14 +7,14 @@ In the example scene, each screen is considered as an area of interest more the
 
 ![3D AOI description](../../img/aoi_3d_description.png)
 
-All AOIs need to be described from same origin than markers in a [right-handed 3D axis](https://robotacademy.net.au/lesson/right-handed-3d-coordinate-frame/) where:
+All AOI need to be described from same origin than markers in a [right-handed 3D axis](https://robotacademy.net.au/lesson/right-handed-3d-coordinate-frame/) where:
 
 * +X is pointing to the right,
 * +Y is pointing to the top,
 * +Z is pointing to the backward.
 
 !!! warning
-	All AOIs spatial values must be given in **centimeters**.
+	All AOI spatial values must be given in **centimeters**.
 
 ### Edit OBJ file description
 
@@ -43,7 +43,7 @@ s off
 f 9 10 11
 ```
 
-Here are common OBJ file features needed to describe AOIs:  
+Here are common OBJ file features needed to describe AOI:  
 
 * Object lines (starting with *o* key) indicate AOI name.
 * Vertice lines (starting with *v* key) indicate AOI vertices.
@@ -51,7 +51,7 @@ Here are common OBJ file features needed to describe AOIs:
 
 ### Edit JSON file description
 
-JSON file format allows to describe AOIs vertices.
+JSON file format allows to describe AOI vertices.
 
 ``` json
 {
diff --git a/docs/user_guide/aruco_markers_pipeline/aoi_3d_projection.md b/docs/user_guide/aruco_markers_pipeline/aoi_3d_projection.md
index bdebd6c..d7df765 100644
--- a/docs/user_guide/aruco_markers_pipeline/aoi_3d_projection.md
+++ b/docs/user_guide/aruco_markers_pipeline/aoi_3d_projection.md
@@ -1,7 +1,7 @@
 Project AOI into camera frame
 =============================
 
-Once [ArUcoScene pose is estimated](pose_estimation.md) and [3D AOIs are described](aoi_3d_description.md), AOIs can be projected into [ArUcoCamera](../../argaze.md/#argaze.ArUcoMarkers.ArUcoCamera) frame.
+Once [ArUcoScene pose is estimated](pose_estimation.md) and [3D AOI are described](aoi_3d_description.md), AOI can be projected into [ArUcoCamera](../../argaze.md/#argaze.ArUcoMarkers.ArUcoCamera) frame.
 
 ![3D AOI projection](../../img/aruco_camera_aoi_projection.png)
 
@@ -46,7 +46,7 @@ The name of the [ArLayer](../../argaze.md/#argaze.ArFeatures.ArLayer). Basically
 
 The [AOIScene](../../argaze.md/#argaze.AreaOfInterest.AOIFeatures.AOIScene) defines a set of 3D [AreaOfInterest](../../argaze.md/#argaze.AreaOfInterest.AOIFeatures.AreaOfInterest) registered by name.
 
-## Add ArLayer to ArUcoCamera to project 3D AOIs
+## Add ArLayer to ArUcoCamera to project 3D AOI
 
 Here is the previous extract where one layer is added to the [ArUcoCamera](../../argaze.md/#argaze.ArUcoMarkers.ArUcoCamera) and displayed:
 
@@ -103,11 +103,11 @@ The name of the [ArLayer](../../argaze.md/#argaze.ArFeatures.ArLayer). Basically
 
     [ArUcoScene](../../argaze.md/#argaze.ArUcoMarkers.ArUcoScene) layers are projected into their dedicated [ArUcoCamera](../../argaze.md/#argaze.ArUcoMarkers.ArUcoCamera) layers when calling the [ArUcoCamera.watch](../../argaze.md/#argaze.ArFeatures.ArCamera.watch) method.
 
-## Add 2D AOIs analysis
+## Add 2D AOI analysis
 
 When a scene layer is projected into a camera layer, it means that the 3D [ArLayer.aoi_scene](../../argaze.md/#argaze.ArFeatures.ArLayer.aoi_scene) description of the scene becomes the 2D camera's [ArLayer.aoi_scene](../../argaze.md/#argaze.ArFeatures.ArLayer.aoi_scene) description of the camera.
 
-Therefore, it means that [ArUcoCamera](../../argaze.md/#argaze.ArUcoMarkers.ArUcoCamera) benefits from all the services described in [2D AOIs analysis pipeline section](../gaze_analysis_pipeline/aoi_2d_analysis.md).
+Therefore, it means that [ArUcoCamera](../../argaze.md/#argaze.ArUcoMarkers.ArUcoCamera) benefits from all the services described in [2D AOI analysis pipeline section](../gaze_analysis_pipeline/aoi_analysis.md).
 
 Here is the previous extract where AOI matcher, AOI scan path and AOI scan path analyzers are added to the [ArUcoCamera](../../argaze.md/#argaze.ArUcoMarkers.ArUcoCamera) layer:
 
diff --git a/docs/user_guide/aruco_markers_pipeline/introduction.md b/docs/user_guide/aruco_markers_pipeline/introduction.md
index 917245d..dc3aa4a 100644
--- a/docs/user_guide/aruco_markers_pipeline/introduction.md
+++ b/docs/user_guide/aruco_markers_pipeline/introduction.md
@@ -19,7 +19,7 @@ To build your own ArUco markers pipeline, you need to know:
 * [How to describe scene's AOI](aoi_3d_description.md),
 * [How to load and execute ArUco markers pipeline](configuration_and_execution.md),
 * [How to estimate scene pose](pose_estimation.md),
-* [How to project AOIs into camera frame](aoi_3d_projection.md),
+* [How to project AOI into camera frame](aoi_3d_projection.md),
 * [How to define an AOI as a frame](aoi_frame.md)
 
 More advanced features are also explained like:
diff --git a/docs/user_guide/gaze_analysis_pipeline/aoi_2d_description.md b/docs/user_guide/gaze_analysis_pipeline/aoi_2d_description.md
index b2f0b90..6cca7ce 100644
--- a/docs/user_guide/gaze_analysis_pipeline/aoi_2d_description.md
+++ b/docs/user_guide/gaze_analysis_pipeline/aoi_2d_description.md
@@ -1,17 +1,17 @@
 Describe 2D AOI
-===============
+================
 
-Once [frame is configured](configuration_and_execution.md), areas of interest need to be described into the same 2D referential.
+Once [ArFrame](../../argaze.md/#argaze.ArFeatures.ArFrame) is [configured](configuration_and_execution.md), areas of interest need to be described to know what is looked in frame.
 
 ![2D AOI description](../../img/aoi_2d_description.png)
 
-According a common computer graphics coordinates convention, all AOIs need to be described from a top left frame corner origin in a coordinate system where:
+According common computer graphics coordinates convention, all AOI need to be described from a top left frame corner origin with a coordinate system where:
 
 * +X is pointing to the right,
 * +Y is pointing to the downward.
 
 !!! warning
-	All AOIs spatial values must be given in **pixels**.
+	All AOI spatial values must be given in **pixels**.
 
 ### Edit SVG file description
 
@@ -27,7 +27,7 @@ SVG file format could be exported from most vector graphics editors.
 </svg>
 ```
 
-Here are common SVG file features needed to describe AOIs:  
+Here are common SVG file features needed to describe AOI:  
 
 * *id* attribute indicates AOI name.
 * *path* element describes any polygon using only [M, L and Z path intructions](https://www.w3.org/TR/SVG2/paths.html#PathData)
@@ -35,36 +35,40 @@ Here are common SVG file features needed to describe AOIs:
 
 ### Edit JSON file description
 
-JSON file format allows to describe AOIs.
+JSON file format allows to describe AOI.
 
 ``` json
 {
     "Triangle" : [[1288.1, 189.466], [1991.24, 3399.34], [584.958, 3399.34]],
     "BlueRectangle": {
-        "shape": "rectangle",
-        "x": 1257,
-        "y": 1905.18,
-        "width": 604.169,
-        "height": 988.564
+        "Rectangle": {
+            "x": 1257,
+            "y": 1905.18,
+            "width": 604.169,
+            "height": 988.564
+        }
     },
     "RedSquare": {
-        "shape": "rectangle",
-        "x": 623.609,
-        "y": 658.357,
-        "width": 803.15,
-        "height": 803.15
+        "Rectangle": {
+            "x": 623.609,
+            "y": 658.357,
+            "width": 803.15,
+            "height": 803.15
+        }
     },
     "GreenCircle": {
-        "shape": "circle",
-        "cx": 675.77,
-        "cy": 2163.5,
-        "radius": 393.109
+        "Circle": {
+            "cx": 675.77,
+            "cy": 2163.5,
+            "radius": 393.109
+        }
     },
     "PinkCircle": {
-        "shape": "circle",
-        "cx": 1902.02,
-        "cy": 879.316,
-        "radius": 195.313
+        "Circle": {
+            "cx": 1902.02,
+            "cy": 879.316,
+            "radius": 195.313
+        }   
     }
 }
 ```
diff --git a/docs/user_guide/gaze_analysis_pipeline/aoi_2d_analysis.md b/docs/user_guide/gaze_analysis_pipeline/aoi_analysis.md
index 66763ad..cce3fcb 100644
--- a/docs/user_guide/gaze_analysis_pipeline/aoi_2d_analysis.md
+++ b/docs/user_guide/gaze_analysis_pipeline/aoi_analysis.md
@@ -1,7 +1,7 @@
-Enable 2D AOIs analysis
+Enable AOI analysis
 ===================
 
-The [ArLayer](../../argaze.md/#argaze.ArFeatures.ArLayer) class defines a space where to make matching of gaze movements with 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 with AOI and inside which those matchings need to be analyzed.
 
 ![Layer](../../img/ar_layer.png)
 
diff --git a/docs/user_guide/gaze_analysis_pipeline/configuration_and_execution.md b/docs/user_guide/gaze_analysis_pipeline/configuration_and_execution.md
index 7657935..bb8eeaa 100644
--- a/docs/user_guide/gaze_analysis_pipeline/configuration_and_execution.md
+++ b/docs/user_guide/gaze_analysis_pipeline/configuration_and_execution.md
@@ -107,4 +107,4 @@ Timestamped gaze positions have to be passed one by one to [ArFrame.look](../../
 
 	At this point, the [ArFrame.look](../../argaze.md/#argaze.ArFeatures.ArFrame.look) method only process gaze movement identification and scan path analysis without any AOI neither any logging or visualisation supports.
 
-	Read the next chapters to learn how to [add AOI analysis](aoi_2d_analysis.md), [log gaze analysis](logging.md) and [visualize pipeline steps](visualisation.md).
\ No newline at end of file
+	Read the next chapters to learn how to [describe frame's AOI](aoi_2d_description.md), [add AOI analysis](aoi_analysis.md), [log gaze analysis](logging.md) and [visualize pipeline steps](visualisation.md).
\ No newline at end of file
diff --git a/docs/user_guide/gaze_analysis_pipeline/introduction.md b/docs/user_guide/gaze_analysis_pipeline/introduction.md
index d33d308..76a146c 100644
--- a/docs/user_guide/gaze_analysis_pipeline/introduction.md
+++ b/docs/user_guide/gaze_analysis_pipeline/introduction.md
@@ -12,7 +12,7 @@ To build your own gaze analysis pipeline, you need to know:
 * [How to edit timestamped gaze positions](timestamped_gaze_positions_edition.md),
 * [How to load and execute gaze analysis pipeline](configuration_and_execution.md),
 * [How to describe frame's AOI](aoi_2d_description.md),
-* [How to enable AOIs analysis](aoi_2d_analysis.md),
+* [How to enable AOI analysis](aoi_analysis.md),
 * [How to visualize ArFrame and ArLayers](visualisation.md),
 * [How to log resulted gaze analysis](logging.md),
 * [How to make heatmap image](heatmap.md).
diff --git a/docs/user_guide/gaze_analysis_pipeline/pipeline_modules/aoi_matchers.md b/docs/user_guide/gaze_analysis_pipeline/pipeline_modules/aoi_matchers.md
index 8ba751f..61338cc 100644
--- a/docs/user_guide/gaze_analysis_pipeline/pipeline_modules/aoi_matchers.md
+++ b/docs/user_guide/gaze_analysis_pipeline/pipeline_modules/aoi_matchers.md
@@ -3,7 +3,7 @@ AOI matchers
 
 ArGaze provides ready-to-use AOI matching algorithms.
 
-Here are JSON samples to include the chosen module inside [ArLayer configuration](../aoi_2d_analysis.md) *aoi_matcher* entry.
+Here are JSON samples to include the chosen module inside [ArLayer configuration](../aoi_analysis.md) *aoi_matcher* entry.
 
 ## Deviation circle coverage
 
diff --git a/docs/user_guide/gaze_analysis_pipeline/pipeline_modules/aoi_scan_path_analyzers.md b/docs/user_guide/gaze_analysis_pipeline/pipeline_modules/aoi_scan_path_analyzers.md
index e395750..ad1832d 100644
--- a/docs/user_guide/gaze_analysis_pipeline/pipeline_modules/aoi_scan_path_analyzers.md
+++ b/docs/user_guide/gaze_analysis_pipeline/pipeline_modules/aoi_scan_path_analyzers.md
@@ -3,7 +3,7 @@ AOI scan path analyzers
 
 ArGaze provides ready-to-use AOI scan path analysis algorithms.
 
-Here are JSON samples to include a chosen module inside [ArLayer configuration](../aoi_2d_analysis.md) *aoi_scan_path_analyzers* entry.
+Here are JSON samples to include a chosen module inside [ArLayer configuration](../aoi_analysis.md) *aoi_scan_path_analyzers* entry.
 
 ## Basic metrics