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Setting up SMARTS

First Steps

To setup the simulator, which is called SMARTS, run the following commands,

# git clone ...
cd <project>

# Follow the instructions given by prompt for setting up the SUMO_HOME environment variable
./install_deps.sh

# verify sumo is >= 1.5.0
# if you have issues see ./doc/SUMO_TROUBLESHOOTING.md
sumo

# setup virtual environment; presently only Python 3.7.x is officially supported
python3.7 -m venv .venv

# enter virtual environment to install all dependencies
source .venv/bin/activate

# upgrade pip, a recent version of pip is needed for the version of tensorflow we depend on
pip install --upgrade pip

# install [train] version of python package with the rllib dependencies
pip install -e .[train]

# make sure you can run tests (and verify they are passing)
make test

# then you can run a scenario, see following section for more details

Common Questions

  1. Exception: Could not open window.

This may be due to some old dependencies of Panda3D. Try the following instructions to solve it.

# set DISPLAY
vim ~/.bashrc
export DISPLAY=":1"
source ~/.bashrc

# set xorg server
sudo wget -O /etc/X11/xorg.conf http://xpra.org/xorg.conf
sudo /usr/bin/Xorg -noreset +extension GLX +extension RANDR +extension RENDER -logfile ./xdummy.log -config /etc/X11/xorg.conf $DISPLAY & 0

Docs

To look at the documentation call:

# Browser will attempt to open on localhost:8082
scl docs

CLI Tool

SMARTS provides a command-line tool to interact with scenario studio and Envision.

Usage

scl COMMAND SUBCOMMAND [OPTIONS] [ARGS]...

Commands:

  • envision
  • scenario
  • zoo

Subcommands of scenario:

  • build-all: Generate all scenarios under the given directories
  • build: Generate a single scenario
  • clean: Clean generated artifacts

Subcommands of envision:

  • start: Start envision server

Subcommands of zoo:

  • build: Build a policy