# DBN 图结构配置
# 定义节点、各层节点列表、父子关系

# 推理配置
inference_config:
  match_strategy: first        # first=首条匹配（规则优先级从上到下），max=取最大概率
  default_strategy: use_default  # 无规则匹配时使用 default_probability
  max_cpt_parents: 20           # CPT 最大父节点数（超过则采用规则加权融合）

layers:
  # 触发层（3个节点）
  trigger:
    - rain_intensity      # 降雨强度
    - duration            # 持续时间
    - accum_rain          # 累计降雨量

  # 环境层（16个节点）
  environment:
    - elevation           # 高程
    - slope               # 坡度
    - aspect              # 坡向
    - soil_type           # 土壤分类
    - lithology           # 岩性
    - landuse             # 土地利用类型
    - terrain             # 地形分类
    - impervious          # 不透水面
    - ndvi                # 植被指数
    - sand_content        # 土壤含沙量
    - ph                  # 土壤PH值（辅助因子，不入CPT）
    - soil_moisture       # 土壤湿度
    - organic_carbon      # 有机碳（辅助因子，不入CPT）
    - dist_to_river       # 距离河道距离
    - dist_to_fault       # 距离断裂带距离
    - pipe_density        # 供水管网密度

  # 灾害层（5个节点）
  hazard:
    - landslide           # 滑坡
    - debris_flow         # 泥石流
    - flash_flood         # 山洪
    - waterlogging        # 内涝
    - collapse            # 崩塌

edges:
  # 触发层 → 灾害层
  # 降雨强度
  - [rain_intensity, landslide]
  - [rain_intensity, debris_flow]
  - [rain_intensity, flash_flood]
  - [rain_intensity, waterlogging]
  - [rain_intensity, collapse]

  # 持续时间
  - [duration, landslide]
  - [duration, debris_flow]
  - [ duration, flash_flood ]
  - [duration, waterlogging]
  - [duration, collapse]

  # 累计降雨量
  - [accum_rain, landslide]
  - [accum_rain, debris_flow]
  - [accum_rain, flash_flood]
  - [accum_rain, waterlogging]
  - [accum_rain, collapse]

  # 环境层 → 灾害层
  # 高程影响山洪、内涝、泥石流
  # - 山洪：高程影响汇流面积和河道坡降
  # - 内涝：低洼处积水
  # - 泥石流：高程反映沟道纵坡和物源区高差（秦岭北麓1000m+高发）
  - [elevation, flash_flood]
  - [elevation, waterlogging]
  - [elevation, debris_flow]

  # 坡度影响滑坡、泥石流、崩塌
  - [slope, landslide]
  - [slope, debris_flow]
  - [slope, collapse]

  # 坡向影响滑坡（阳坡冻融风化强烈）
  - [aspect, landslide]

  # 土壤类型影响滑坡、泥石流
  - [soil_type, landslide]
  - [soil_type, debris_flow]

  # 岩性影响滑坡、泥石流、崩塌
  - [lithology, landslide]
  - [lithology, debris_flow]
  - [lithology, collapse]

  # 土地利用类型影响内涝、滑坡
  # - 内涝：城市地表不透水
  # - 滑坡：开挖坡脚/弃土加载/梯田改造
  - [landuse, waterlogging]
  - [landuse, landslide]

  # 地形分类影响山洪、内涝
  - [terrain, flash_flood]
  - [terrain, waterlogging]

  # 不透水面影响内涝
  - [impervious, waterlogging]

  # 植被指数影响滑坡、泥石流
  - [ndvi, landslide]
  - [ndvi, debris_flow]

  # 土壤含沙量影响泥石流
  - [sand_content, debris_flow]

  # 土壤湿度影响滑坡、泥石流、内涝、山洪
  # - 山洪：前期土壤湿度决定入渗率，饱和土壤几乎全部转为地表径流
  - [soil_moisture, landslide]
  - [soil_moisture, debris_flow]
  - [soil_moisture, waterlogging]
  - [soil_moisture, flash_flood]

  # 距离河道距离影响山洪、泥石流、内涝、崩塌
  # - 山洪：河道溢出 → [dist_to_river, flash_flood]
  # - 泥石流：沟道物源供给 → [dist_to_river, debris_flow]
  # - 内涝：排水出口受阻 → [dist_to_river, waterlogging]
  # - 崩塌：河流侧蚀黄土塬边（渭河/灞河/浐河/沣河）→ [dist_to_river, collapse]
  - [dist_to_river, flash_flood]
  - [dist_to_river, debris_flow]
  - [dist_to_river, waterlogging]
  - [dist_to_river, collapse]

  # 距离断裂带距离影响滑坡、崩塌、泥石流
  - [dist_to_fault, landslide]
  - [dist_to_fault, collapse]
  - [dist_to_fault, debris_flow]

  # 供水管网密度影响内涝
  - [pipe_density, waterlogging]

# 节点状态定义（与 discretization.yaml 保持一致）
node_states:
  # 触发层
  rain_intensity: [no_rain, light, moderate, heavy, storm, downpour, extreme]
  duration: [short, medium, long]
  accum_rain: [trace, light, moderate, heavy, extreme]

  # 环境层（离散字段状态名与数据库编码一一对应，连续字段用工程分级）
  elevation: [basin, plain_urban, transition, low_mountain, mid_mountain, high_mountain]
  slope: [flat, gentle, moderate, steep, very_steep, extreme_steep]
  aspect: [north, east, south, west, north_loop]
  soil_type: [ultisol, entisol, fluvo_aquic, yellow_brown]
  lithology: [acid_rock, basic_rock, carbonate, metamorphic, mixed_clastic, terrigenous, unconsolidated]
  landuse: [forest, farmland, urban, water, barren]
  terrain: [mountain, plain, deep_valley, hill, gentle_hill, low_mountain, flat_plain]
  impervious: [low, medium, high]
  ndvi: [water, bare, sparse, moderate, dense, very_dense]
  sand_content: [low, medium, high]
  ph: [acidic, neutral, alkaline]
  soil_moisture: [dry, moist, wet, saturated]
  organic_carbon: [low, medium, high]
  dist_to_river: [very_close, close, moderate, far]
  dist_to_fault: [very_close, close, moderate, far]
  pipe_density: [none, low, medium, high]

  # 灾害层
  landslide: [none, low, medium, high, very_high]
  debris_flow: [none, low, medium, high, very_high]
  flash_flood: [none, low, medium, high, very_high]
  waterlogging: [none, low, medium, high, very_high]
  collapse: [none, low, medium, high, very_high]