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carla/Docs/carla_design.md

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CARLA Design

This document is a work in progress and might be incomplete.

CARLA is composed by the following modules

  • Client side
    • Python client API: "PythonClient/carla"
  • Server side
    • CarlaUE4 Unreal Engine project: "Unreal/CarlaUE4"
    • Carla plugin for Unreal Engine: "Unreal/CarlaUE4/Plugins/Carla"
    • CarlaServer: "Util/CarlaServer"

!!! tip Documentation for the C++ code can be generated by running Doxygen in the main folder of CARLA project.

Python client API

The client API provides a Python module for communicating with the CARLA server. In the folder "PythonClient", we provide several examples for scripting a CARLA client using the "carla" module.

CarlaUE4 Unreal Engine project

The Unreal project "CarlaUE4" contains all the assets and scenes for generating the CARLA binary. It uses the tools provided by the Carla plugin to assemble the cities and behavior of the agents in the scene.

Carla plugin for Unreal Engine

The Carla plugin contains all the functionality of CARLA. We tried to keep this functionality separated from the assets, so the functionality in this plugin can be used as much as possible in any Unreal project.

It uses "CarlaServer" library for the networking communication.

CarlaServer

External library for the networking communications.

See "CarlaServer" for implementation details.