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RRT*

RRT* Demo

Overview

This repository contains a fast, C++ implementation of the RRT* algorithm with a Python wrapper. It is used as one of the motion planning models in pylot, an erdos project.

The base RRT code is inspired by sourishg/rrt-simulator, which implements RRT.

Reference Paper: Sampling-based Algorithms for Optimal Motion Planning

Profiling

Some basic profiling of the code (80 meter x 10 meter search space, 10 obstacles) indicates the following expected performance:

Average Time (success): ~6 ms
Max Time (success): ~60 ms
Failure Case (Running all 2000 iterations): <250 ms

Setup

git clone https://github.com/erdos-project/rrt-star-planning.git
./build.sh

Example Usage

There is a Python wrapper and C++ API. The Python wrapper is located in RRTStar/rrtstar_wrapper.py and the C++ API is under src/RRTStar/RRTStarWrapper.cpp. The following command will simulate a simple scenario to run the RRT* planning algorithm.

python3 RRTStar/rrtstar.py