完善项目目录结构
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@@ -22,36 +22,31 @@
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---
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### 回放与可视化
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### 可视化(统一入口)
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| 脚本 | 用途 | 用法示例 |
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|------|------|----------|
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| [visualize_replay.py](visualize_replay.py) | 原始专家轨迹回放(ExpertReplayEnv) | `python scripts/visualize_replay.py --data_dir data/exp_filtered --num_scenarios 1 --horizon 200` |
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| [visualize_trained_policy.py](visualize_trained_policy.py) | **BC/MAGAIL 共用**:加载训练好的策略在 45 维场景中可视化 | 见下方「训练策略可视化」小节 |
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| [visualize.py](visualize.py) | **replay**:场景回放(ExpertReplayEnv);**policy**:BC/MAGAIL 策略;**trajectory**:专家轨迹 2D 动画 | 见下方 |
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#### 训练策略可视化(visualize_trained_policy.py)
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**子命令**:
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使用训练好的 **BC** 或 **MAGAIL** 模型在 45 维场景环境中运行,并实时渲染俯瞰图(top-down view)。统一入口:`scripts/visualize_trained_policy.py`。
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**BC 模型**:
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- **replay**(原始专家轨迹回放):
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```bash
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python scripts/visualize_trained_policy.py --policy_type bc --model_path models/bc/policy_best.pt --data_dir data/exp_filtered --num_scenarios 1
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python scripts/visualize.py replay --data_dir data/exp_filtered --num_scenarios 1 --horizon 500
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```
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**MAGAIL 模型**:
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- **policy**(BC 或 MAGAIL 训练策略):
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```bash
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python scripts/visualize_trained_policy.py --policy_type magail --model_path models/magail/model_50_actor.pth --data_dir data/exp_filtered --num_scenarios 1 --deterministic
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python scripts/visualize.py policy --policy_type bc --model_path models/bc/policy_best.pt --data_dir data/exp_filtered --num_scenarios 1
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python scripts/visualize.py policy --policy_type magail --model_path models/magail/model_50_actor.pth --num_scenarios 1 --deterministic
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```
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**自动推断类型**(根据 `--model_path` 扩展名:`.pt` → BC,否则 → MAGAIL):
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- **trajectory**(专家轨迹 matplotlib 俯视图动画):
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```bash
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python scripts/visualize_trained_policy.py --model_path models/bc/policy_best.pt
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python scripts/visualize_trained_policy.py --model_path models/magail/model_50_actor.pth
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python scripts/visualize.py trajectory --data_dir data/exp_filtered --scenario_idx 0
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```
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**根目录 BC 薄包装**:`python visualize_bc.py --model_path models/bc/policy_best.pt`
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**参数**:`--policy_type`(`auto`|`bc`|`magail`)、`--model_path`(默认 `models/bc/policy_best.pt`)、`--data_dir`、`--start_index`、`--num_scenarios`、`--horizon`、`--deterministic`(仅 MAGAIL)。环境统一为 45 维 `BCScenarioEnv`,渲染为 MetaDrive top_down。数据目录未指定时默认 `data/exp_filtered`(不存在则 `data/exp_converted`)。
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**公共参数**:`--data_dir`(默认 `data/exp_filtered`)、`--start_index`、`--num_scenarios`、`--horizon`。policy 模式另有 `--policy_type`(auto/bc/magail)、`--model_path`、`--deterministic`(仅 MAGAIL)。
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---
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@@ -62,7 +57,6 @@ python scripts/visualize_trained_policy.py --model_path models/magail/model_50_a
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| [analyze_expert_data.py](analyze_expert_data.py) | 分析专家数据分布与统计 | 见脚本内 `__main__`(依赖 env 与数据目录配置) |
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| [check_track_fields.py](check_track_fields.py) | 检查 Waymo 轨迹字段 | 见脚本内 `__main__` |
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| [check_database_info.py](check_database_info.py) | 检查数据库/场景信息 | 见脚本内 `__main__`(含硬编码路径,可按需改为 `data/exp_filtered`) |
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| [visualize_expert_trajectory.py](visualize_expert_trajectory.py) | 用 matplotlib 画专家轨迹动画 | 依赖 `env.expert_trajectories`,与当前 env 接口可能不一致,可选使用 |
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---
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@@ -79,4 +73,4 @@ python scripts/visualize_trained_policy.py --model_path models/magail/model_50_a
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1. **数据准备**:`generate_expert_data.py` → 输出到 `data/training_data/*.pkl`
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2. **BC 训练**:根目录 `train_bc.py` → 模型保存到 `models/bc/`,日志到 `logs/bc/`
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3. **MAGAIL 训练**:根目录 `train_magail.py` → 模型保存到 `models/magail/`,日志到 `logs/magail/`
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4. **可视化**:`visualize_trained_policy.py`(或根目录 `visualize_bc.py` 仅 BC)→ 从 `models/bc` 或 `models/magail` 加载模型,数据目录默认 `data/exp_filtered`
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4. **可视化**:`scripts/visualize.py`(子命令 replay / policy / trajectory)→ 数据目录默认 `data/exp_filtered`
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