mkdir src
cd src
git clone https://github.com/xiekuncn/Didi-dataset-explorer
cd ..

sudo apt-get install ros-indigo-catkin

# download all dependencies from rosdep
rosdep install --from-paths src --ignore-src -i -y
catkin build
roslaunch round_1 explore_dataset.launch bag_filename:=${BAG_FIEL_PATH.bag}