Docs/updates april (#7417)

* fixed typos and broken links

* updated python_api.md

* fixed CityObjectLabel API docs

* added load_world_if_different to API docs

Docs/python_api.md

@@ -434,7 +434,13 @@ Enum declaration that contains the different tags available to filter the boundi
 - <a name="carla.CityObjectLabel.Sidewalks"></a>**<font color="#f8805a">Sidewalks</font>**  
 - <a name="carla.CityObjectLabel.TrafficSigns"></a>**<font color="#f8805a">TrafficSigns</font>**  
 - <a name="carla.CityObjectLabel.Vegetation"></a>**<font color="#f8805a">Vegetation</font>**  
-- <a name="carla.CityObjectLabel.Vehicles"></a>**<font color="#f8805a">Vehicles</font>**  
+- <a name="carla.CityObjectLabel.Car"></a>**<font color="#f8805a">Car</font>**  
+- <a name="carla.CityObjectLabel.Bus"></a>**<font color="#f8805a">Bus</font>**  
+- <a name="carla.CityObjectLabel.Truck"></a>**<font color="#f8805a">Truck</font>**  
+- <a name="carla.CityObjectLabel.Motorcycle"></a>**<font color="#f8805a">Motorcycle</font>**  
+- <a name="carla.CityObjectLabel.Bicycle"></a>**<font color="#f8805a">Bicycle</font>**  
+- <a name="carla.CityObjectLabel.Rider"></a>**<font color="#f8805a">Rider</font>**  
+- <a name="carla.CityObjectLabel.Train"></a>**<font color="#f8805a">Train</font>**  
 - <a name="carla.CityObjectLabel.Walls"></a>**<font color="#f8805a">Walls</font>**  
 - <a name="carla.CityObjectLabel.Sky"></a>**<font color="#f8805a">Sky</font>**  
 - <a name="carla.CityObjectLabel.Ground"></a>**<font color="#f8805a">Ground</font>**  
@@ -484,6 +490,16 @@ Creates a new world with default settings using `map_name` map. All actors in th
         - `map_name` (_str_) - Name of the map to be used in this world. Accepts both full paths and map names, e.g. '/Game/Carla/Maps/Town01' or 'Town01'. Remember that these paths are dynamic.  
         - `reset_settings` (_bool_) - Option to reset the episode setting to default values, set to false to keep the current settings. This is useful to keep sync mode when changing map and to keep deterministic scenarios.  
         - `map_layers` (_[carla.MapLayer](#carla.MapLayer)_) - Layers of the map that will be loaded. By default all layers are loaded. This parameter works like a flag mask.  
+    - **Return:** _[carla.World](#carla.World)_  
+    - **Warning:** <font color="#ED2F2F">_`map_layers` are only available for "Opt" maps
+_</font>  
+- <a name="carla.Client.load_world_if_different"></a>**<font color="#7fb800">load_world_if_different</font>**(<font color="#00a6ed">**self**</font>, <font color="#00a6ed">**map_name**</font>, <font color="#00a6ed">**reset_settings**=True</font>, <font color="#00a6ed">**map_layers**=[carla.MapLayer.All](#carla.MapLayer.All)</font>)  
+Creates a new world with default settings using `map_name` map only if it is a different map from the currently loaded map. Otherwise this function returns `None`. All actors in the current world will be destroyed.  
+    - **Parameters:**
+        - `map_name` (_str_) - Name of the map to be used in this world. Accepts both full paths and map names, e.g. '/Game/Carla/Maps/Town01' or 'Town01'. Remember that these paths are dynamic.  
+        - `reset_settings` (_bool_) - Option to reset the episode setting to default values, set to false to keep the current settings. This is useful to keep sync mode when changing map and to keep deterministic scenarios.  
+        - `map_layers` (_[carla.MapLayer](#carla.MapLayer)_) - Layers of the map that will be loaded. By default all layers are loaded. This parameter works like a flag mask.  
+    - **Return:** _[carla.World](#carla.World)_  
     - **Warning:** <font color="#ED2F2F">_`map_layers` are only available for "Opt" maps
 _</font>  
 - <a name="carla.Client.reload_world"></a>**<font color="#7fb800">reload_world</font>**(<font color="#00a6ed">**self**</font>, <font color="#00a6ed">**reset_settings**=True</font>)  

PythonAPI/docs/client.yml

@@ -101,6 +101,7 @@
         doc: >
           Layers of the map that will be loaded. By default all layers are loaded.
           This parameter works like a flag mask.
+      return: carla.World
       warning: >
         `map_layers` are only available for "Opt" maps
       doc: >
@@ -119,6 +120,31 @@
         Reload the current world, note that a new world is created with default
         settings using the same map. All actors present in the world will be
         destroyed, __but__ traffic manager instances will stay alive.
+      # --------------------------------------
+    - def_name: load_world_if_different
+      params:
+      - param_name: map_name
+        type: str
+        doc: >
+          Name of the map to be used in this world. Accepts both full paths and map names, e.g.
+          '/Game/Carla/Maps/Town01' or 'Town01'. Remember that these paths are dynamic.
+      - param_name: reset_settings
+        type: bool
+        default: true
+        doc: >
+          Option to reset the episode setting to default values, set to false to keep the current settings.
+          This is useful to keep sync mode when changing map and to keep deterministic scenarios.
+      - param_name: map_layers
+        type: carla.MapLayer
+        default: carla.MapLayer.All
+        doc: >
+          Layers of the map that will be loaded. By default all layers are loaded.
+          This parameter works like a flag mask.
+      return: carla.World
+      warning: >
+        `map_layers` are only available for "Opt" maps
+      doc: >
+        Creates a new world with default settings using `map_name` map only if it is a different map from the currently loaded map. Otherwise this function returns `None`. All actors in the current world will be destroyed.
     # --------------------------------------
     - def_name: replay_file
       params:

PythonAPI/docs/sensor_data.yml

@@ -70,7 +70,13 @@
     - var_name: Sidewalks
     - var_name: TrafficSigns
     - var_name: Vegetation
-    - var_name: Vehicles
+    - var_name: Car
+    - var_name: Bus
+    - var_name: Truck
+    - var_name: Motorcycle
+    - var_name: Bicycle
+    - var_name: Rider
+    - var_name: Train
     - var_name: Walls
     - var_name: Sky
     - var_name: Ground