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carla/Docs/tuto_M_custom_add_tl.md

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Corkyw10/maps documentation (#4233) * Restructured maps docs layout and fixed affected URLs * Updated RoadRunner map generation doc. Includes link for Leaderboard license * Updated package ingestion doc so it is located in the main navigation bar. All relative links have been fixed. * Moved customization information to separate tutorial. Added next steps * Moved manual preparation of json package to separate tutorial. * Added how to add traffic light and signs documentation. Updated nav with approriate page name. Cropped photo to show an updated view of UE editor * Redraft of the weather and landscape tutorial * Updated tutorial for using the road painter. Typo fix in other tutorials for map customization * Added tutorial to add levels to maps * Added images for maps tutorials * Minor syntax changes to manual package prep * Full drafts of map documentation * Added images and corrected names for building shaders * [NO_BUILD] First draft of Large Maps docs (#4396) * Drafting large map docs * Changed name of spawn_npc script * Syntax changes * Corrected hybrid mode dormant behavior, added code for setting ego vehicle, removed expensive note about map calls * Added section for roadrunner large maps * Added images to roadrunner docs and rearranged nav bar and titles. * Added corrections to import of large maps and standard map nomenclature Co-authored-by: bernat <bernatx@gmail.com> * Made corrections to spawn points and additional fbx folder information * Fixed mentions of normal maps to standard maps Co-authored-by: bernat <bernatx@gmail.com>
2021-07-30 17:20:23 +08:00
# Customizing maps: Traffic Lights and Signs
This guide explains how to add traffic lights and signs to your custom map, configure the area of influence of each one, and how to configure traffic lights as a group at junctions. This option is only available to users who have access to the Unreal Engine editor.
- [__Traffic Lights__](#traffic-lights)
- [__Traffic signs__](#traffic-signs)
- [__Next steps__](#next-steps)
---
## Traffic lights
To add traffic lights to your new map:
__1.__ From the _Content Browser_, navigate to `Content/Carla/Static/TrafficLight/StreetLights_01`. You will find several different traffic light blueprints to choose from.
__2.__ Drag the traffic lights into the scene and position them in the desired location. Press the space bar on your keyboard to toggle between positioning, rotation, and scaling tools.
__3.__ Adjust the [`trigger volume`][triggerlink] for each traffic light by selecting the _BoxTrigger_ component in the _Details_ panel and adjusting the values in the _Transform_ section. This will determine the traffic light's area of influence.
>>![ue_trafficlight](../img/ue_trafficlight.jpg)
__4.__ For junctions, drag the `BP_TrafficLightGroup` actor into the level. Assign all the traffic lights in the junction to the traffic light group by adding them to the _Traffic Lights_ array in the _Details_ panel.
>>![ue_tl_group](../img/ue_tl_group.jpg)
__5.__ Traffic light timing is only configurable through the Python API. See the documentation [here](core_actors.md#traffic-signs-and-traffic-lights) for more information.
>>![ue_tlsigns_example](../img/ue_tlsigns_example.jpg)
> _Example: Traffic Signs, Traffic lights and Turn based stop._
[triggerlink]: python_api.md#carla.TrafficSign.trigger_volume
---
## Traffic signs
To add traffic lights to your new map:
__1.__ From the _Content Browser_, navigate to `Content/Carla/Static/TrafficSign`. You will find several different traffic light blueprints to choose from.
__2.__ Drag the traffic lights into the scene and position them in the desired location. Press the space bar on your keyboard to toggle between positioning, rotation, and scaling tools.
__3.__ Adjust the [`trigger volume`][triggerlink] for each traffic sign by selecting the _BoxTrigger_ component in the _Details_ panel and adjusting the values in the _Transform_ section. This will determine the traffic light's area of influence. Not all traffic signs have a trigger volume. Those that do, include the yield, stop and speed limit signs.
---
## Next steps
Continue customizing your map using the tools and guides below:
- [Implement sub-levels in your map.](tuto_M_custom_layers.md)
- [Add buildings with the procedural building tool.](tuto_M_custom_buildings.md)
- [Customize the road with the road painter tool.](tuto_M_custom_road_painter.md)
- [Customize the weather](tuto_M_custom_weather_landscape.md#weather-customization)
- [Customize the landscape with serial meshes.](tuto_M_custom_weather_landscape.md#add-serial-meshes)
Once you have finished with the customization, you can [generate the pedestrian navigation information](tuto_M_generate_pedestrian_navigation.md).
---
If you have any questions about the process then you can ask in the [forum](https://github.com/carla-simulator/carla/discussions).