grammar and orthographic corrections

1 files changed, 54 insertions, 52 deletions

diff --git a/docs/user_guide/gaze_analysis_pipeline/visualization.md b/docs/user_guide/gaze_analysis_pipeline/visualization.md
index ed67892..6b9805c 100644
--- a/docs/user_guide/gaze_analysis_pipeline/visualization.md
+++ b/docs/user_guide/gaze_analysis_pipeline/visualization.md
@@ -1,7 +1,7 @@
 Visualize pipeline steps
 ========================
 
-Visualisation is not a pipeline step but each [ArFrame](../../argaze.md/#argaze.ArFeatures.ArFrame) pipeline steps outputs can be drawn in real-time or afterward, depending of application purpose.
+Visualization is not a pipeline step, but each [ArFrame](../../argaze.md/#argaze.ArFeatures.ArFrame) pipeline step output can be drawn in real-time or afterward, depending on the application purposes.
 
 ![ArFrame visualization](../../img/visualization.png)
 
@@ -13,62 +13,64 @@ Here is an extract from the JSON ArFrame configuration file with a sample where
 
 ```json
 {
-    "name": "My FullHD screen",
-    "size": [1920, 1080],
-    ...
-    "image_parameters": {
-        "draw_gaze_positions": {
-            "color": [0, 255, 255],
-            "size": 2
-        },
-        "draw_fixations": {
-            "deviation_circle_color": [255, 255, 255],
-            "duration_border_color": [127, 0, 127],
-            "duration_factor": 1e-2,
-            "draw_positions": {
-                "position_color": [0, 255, 255],
-                "line_color": [0, 0, 0]
-            }
-        }, 
-        "draw_saccades": {
-            "line_color": [255, 0, 255]
-        },
-        "draw_scan_path": {
+    "argaze.ArFeatures.ArFrame": {
+        "name": "My FullHD screen",
+        "size": [1920, 1080],
+        ...
+        "image_parameters": {
+            "draw_gaze_positions": {
+                "color": [0, 255, 255],
+                "size": 2
+            },
             "draw_fixations": {
-                "deviation_circle_color": [255, 0, 255],
+                "deviation_circle_color": [255, 255, 255],
                 "duration_border_color": [127, 0, 127],
-                "duration_factor": 1e-2
+                "duration_factor": 1e-2,
+                "draw_positions": {
+                    "position_color": [0, 255, 255],
+                    "line_color": [0, 0, 0]
+                }
             }, 
             "draw_saccades": {
                 "line_color": [255, 0, 255]
-            }
-        },
-        "draw_layers": {
-            "MyLayer": {
-                "draw_aoi_scene": {
-                    "draw_aoi": {
-                        "color": [255, 255, 255],
-                        "border_size": 1
-                    }
-                },
-                "draw_aoi_matching": {
-                    "draw_matched_fixation": {
-                        "deviation_circle_color": [255, 255, 255],
-                        "draw_positions": {
-                            "position_color": [0, 255, 0],
-                            "line_color": [0, 0, 0]
+            },
+            "draw_scan_path": {
+                "draw_fixations": {
+                    "deviation_circle_color": [255, 0, 255],
+                    "duration_border_color": [127, 0, 127],
+                    "duration_factor": 1e-2
+                }, 
+                "draw_saccades": {
+                    "line_color": [255, 0, 255]
+                }
+            },
+            "draw_layers": {
+                "MyLayer": {
+                    "draw_aoi_scene": {
+                        "draw_aoi": {
+                            "color": [255, 255, 255],
+                            "border_size": 1
                         }
                     },
-                    "draw_matched_region": {
-                        "color": [0, 255, 0],
-                        "border_size": 4
-                    }, 
-                    "draw_looked_aoi": {
-                        "color": [0, 255, 0],
-                        "border_size": 2
-                    },
-                    "looked_aoi_name_color": [255, 255, 255],
-                    "looked_aoi_name_offset": [0, -10]
+                    "draw_aoi_matching": {
+                        "draw_matched_fixation": {
+                            "deviation_circle_color": [255, 255, 255],
+                            "draw_positions": {
+                                "position_color": [0, 255, 0],
+                                "line_color": [0, 0, 0]
+                            }
+                        },
+                        "draw_matched_region": {
+                            "color": [0, 255, 0],
+                            "border_size": 4
+                        }, 
+                        "draw_looked_aoi": {
+                            "color": [0, 255, 0],
+                            "border_size": 2
+                        },
+                        "looked_aoi_name_color": [255, 255, 255],
+                        "looked_aoi_name_offset": [0, -10]
+                    }
                 }
             }
         }
@@ -78,13 +80,13 @@ Here is an extract from the JSON ArFrame configuration file with a sample where
 
 !!! warning
     Most of *image_parameters* entries work if related ArFrame/ArLayer pipeline steps are enabled.  
-    For example, JSON *draw_scan_path* entry needs GazeMovementIdentifier and ScanPath steps to be enabled.
+    For example, a JSON *draw_scan_path* entry needs GazeMovementIdentifier and ScanPath steps to be enabled.
 
 Then, [ArFrame.image](../../argaze.md/#argaze.ArFeatures.ArFrame.image) method can be called in various situations.
 
 ## Live window display
 
-While timestamped gaze positions are processed by [ArFrame.look](../../argaze.md/#argaze.ArFeatures.ArFrame.look) method, it is possible to display [ArFrame](../../argaze.md/#argaze.ArFeatures.ArFrame) image thanks to [OpenCV package](https://pypi.org/project/opencv-python/).
+While timestamped gaze positions are processed by [ArFrame.look](../../argaze.md/#argaze.ArFeatures.ArFrame.look) method, it is possible to display the [ArFrame](../../argaze.md/#argaze.ArFeatures.ArFrame) image thanks to the [OpenCV package](https://pypi.org/project/opencv-python/).
 
 ```python
 import cv2