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Download links for trained multi-agent intersection policies (CARLA / MACAD-Gym) #92

@tahabinkashif

Description

@tahabinkashif

Request: Download links for trained multi-agent intersection policies (CARLA / MACAD-Gym)

Hi MACAD team, thanks for open-sourcing MACAD-Gym and MACAD-Agents!

TL;DR
Could you please share: direct download links (or a Git LFS/release asset path) to the pretrained multi-agent policies you mention for Urban Intersection scenarios in CARLA? I’m specifically looking for Two Independent Agents operating in a shared intersection environment (e.g., stop-sign / 3-way urban intersection).


What I need
-Trained weights/checkpoints for Two Separate Agents (non-communicating is fine) that were trained in CARLA on intersection tasks via MACAD-Gym environments.

  • Load/eval script or command** to run rollouts (no training).
  • Any config files (env IDs, scenario JSON, algo hyperparams) used for those weights.

Preferred formats:

  • PyTorch (.pt/.pth) or TF (.ckpt), zipped is fine.
  • A short README snippet on how to load each agent in evaluation mode.

Environment assumptions (please correct if needed)

  • CARLA: 0.9.x
  • MACAD-Gym: environment IDs such as HomoNcomIndePOIntrxMASS3CTWN3-v0 (or the closest intersection env you used)
  • MACAD-Agents: PPO/IMPALA multi-agent runners
  • OS: Ubuntu 20.04/22.04, Python 3.8–3.10
  • GPU: CUDA 11.x (optional for eval)

Minimal “play/eval” I hope to run

  1. Start CARLA server (headless or display).
  2. conda/venv with macad-gym + macad-agents requirements.
  3. Download checkpoints (two agents).
  4. Run an eval/rollout command like:
    python eval_multiagent.py \
      --env-id HomoNcomIndePOIntrxMASS3CTWN3-v0 \
      --agent-a-checkpoint /path/to/agent_A.ckpt \
      --agent-b-checkpoint /path/to/agent_B.ckpt \
      --episodes 10 --render

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