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This repository is a tool for visualizing an agent RL process from a grid2op format. It was made though a partnership between RTE and Artelys for the different challengers of the L2RPN RL Challenge.

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README.md

Grid2Viz: The Grid2Op Visualization companion app

Grid2Viz is a web application that offers several interactive views into the results of Reinforcement Learning agents that ran on the Grid2Op platform. It is part of the GridAlive lab ecosystem.

Video highlighting Grid2viz analyzis capabilities

Alt text

Through this 10-minute video, the behavior of best AI agents from L2RPN NeurIPS competition is analyzed with Grid2viz under a very interesting and tense scenario.

Demo Gallery

You can launch a demo in your web navigator by running the Grid2viz_demo notebook through Binder by clicking the Binder button. The[Demo repositories used here presents the best agent results of NeurIPS 2020 L2RPN Competition .

Binder One third IEEE118 region NeurIPS Robustness Track Demo - Demo repository here robustness-demo

Binder IEEE118 NeurIPS Adaptability Track Demo - Demo repository here.

adaptability-demo

Documentation

go to: https://grid2viz.readthedocs.io/en/latest/

Installation

Requirements:

  • Python >= 3.6

(Optional, recommended) Step 1: Create a virtual environment

pip3 install -U virtualenv
python3 -m virtualenv venv_grid2viz

Step 2: Install from pypi

source venv_grid2viz/bin/activate
pip install -U grid2viz

Run Grid2Viz

usage: grid2viz [-h] [--agents_path AGENTS_PATH] [--env_path ENV_PATH]
                [--port PORT] [--debug]

Grid2Viz

optional arguments:
  -h, --help            show this help message and exit
  --agents_path AGENTS_PATH
                        The path where the log of the Agents experiences are
                        stored. (default to None to study the example agents
                        provided with the package)
  --env_path ENV_PATH   The path where the environment config is stored.
                        (default to None to use the provided default
                        environment)
  --port PORT           The port to serve grid2viz on. (default to 8050)
  --debug               Enable debug mode for developers. (default to False)
  --n_cores             Number of cores to generate cache or load cache faster (default to 1)
  --cache               Create upfront all necessary cache for grid2viz, to avoid waiting for some cache generation online (default to False)

For example:

source venv_grid2viz/bin/activate
grid2viz --port 8000

WARNING Due to the caching operation the first run can take a while. All the agents present in the configuration files will be computed and then registered in cache. Depending on your agents it could take between 5 to 15min. You can follow the progress in the console.

Getting started

In order to use this tool, you need to have serialized the RL process of grid2op. The expected file system is :

  • root_dir
    • agent_1
      • scenario_1
      • scenario_2
    • agent_2
      • scenario_1
      • scenario_2
      • scenario_3

Each of the scenario_* files have to contain all files given by serialisation of your RL through grid2op. In order to add a new agent to the app, you will have to add the agent's folder to this root_dir For the update process of this folder chain, see the section Caching (in particular, when you want to overwrite the current agents in root_dir with new versions with the same names)

In the config.ini of this repo:

  • agents_dir is the path to your agents logs data directory.
  • env_dir is the path to the environment configuration directory. It contains a single file :
    • coords.csv : The csv file that lists the coordinates of nodes in the network

Changing this config.ini file will require a restart of the server to update.

Grid2Viz provide 2 agents with a scenario for one day and for one month available in /grid2viz/data/agents folder:

  • do-nothing-baseline
  • greedy-baseline

By default the config.ini is targeting these agents as well as the environment configuration folders.

Caching

The cache system allows you to only compute long calculations of the app once per agent/scenario. The app will create a folder _cache in the base_dir of the config.ini which will contain these long calculations serialized.

If you add a new folder in your base_dir (either an agent, or a scenario) you will have to restart the server so the app reads the folder tree again.

WARNING : If you overwrite the agents while they were already cached, you will have to manually reset the cache so the app knows to compute everything again with the updated data. To do so, you just need to delete the _cache folder.

Interface

Scenario Selection

This page display up to 15 scenarios with for each one a brief summary using the best agent's performances.

scenario selection

Scenario Overview

On this page are displayed the best agent's kpi to see his performances. It's also here that you can select an agent that will be used as reference agent in the other pages to compare to the studied agents.

scenario overview

Agent Overview

Here's displayed your reference agent's performances. You can select an agent to study to compare it with your reference via the dropdown on the page. The study agent selected will be used as study agent on the last page.

In the "instant and cumulated reward" graph you can point timestep that will be use in the next page to study action in a specific timestep area.

agent overview

Agent Study

The Agent Study page will display kpi of your reference agent compared to your study agent on your selected timestep area. You will also see a summary of the previous page's kpi.

agent study

Run the tests

To run the tests, execute the following command:

python3 -m unittest discover --start-directory tests --buffer

Limitations

The app is still missing a couple features, namely a graph for visualising the flow through time, and the last line of the last screen, which will show all informations regarding the actions and observations at the selected timestep.

The Actions KPIs and the distances as well as the topological action cluster "object changed" is in alpha feature. We will need some new features from the core API to finish these features.

Troubleshooting

MacOS

Some mac users have been experimenting issues when lauching the app, raising the following message:

socket.gaierror: [Errno 8] nodename nor servname provided, or not known

The following steps might help you to overcome the issue:

  1. Open your terminal
  2. Type echo $HOST and copy the results
  3. Open the file /etc/hosts and make sure you include:
    127.0.0.1 PASTE RESULTS FROM echo $HOST
  4. Save it and close it
  5. Launch grid2viz

About

This repository is a tool for visualizing an agent RL process from a grid2op format. It was made though a partnership between RTE and Artelys for the different challengers of the L2RPN RL Challenge.

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