样本天气数据集

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集合

索引
文档样本

sample_weatherdata数据库包含来自不同位置的详细天气报告。每份报告都包含airTemperature 、 wind和visibility等读数。每份报告都包含一个存储为 GeoJSON 的位置。

要学习；了解如何将Atlas提供的示例数据加载到集群中，请参阅加载样本数据。

集合

该数据库包含一个名为 data 的集合。

sample_weatherdata.data 集合包含数据集中的所有天气报告。集合中的每个文档都代表一个天气预报。文档中的各种天气观测通常存在于嵌入式对象中。

索引

sample_weatherdata.data 集合包含以下索引：

名称	Index	说明
`_id_`	`{ "_id": 1 }`	`_id` 字段的主键索引。

文档样本

{
  "_id": {
    "$oid": "5553a998e4b02cf7151190c9"
  },
  "st": "x+51900+003200",
  "ts": {
    "$date": {
      "$numberLong": "447354000000"
    }
  },
  "position": {
    "type": "Point",
    "coordinates": [
      {
        "$numberDouble": "3.2"
      },
      {
        "$numberDouble": "51.9"
      }
    ]
  },
  "elevation": {
    "$numberInt": "9999"
  },
  "callLetters": "PLAT",
  "qualityControlProcess": "V020",
  "dataSource": "4",
  "type": "FM-13",
  "airTemperature": {
    "value": {
      "$numberDouble": "4.8"
    },
    "quality": "1"
  },
  "dewPoint": {
    "value": {
      "$numberDouble": "4.6"
    },
    "quality": "1"
  },
  "pressure": {
    "value": {
      "$numberDouble": "1032.6"
    },
    "quality": "1"
  },
  "wind": {
    "direction": {
      "angle": {
        "$numberInt": "170"
      },
      "quality": "1"
    },
    "type": "N",
    "speed": {
      "rate": {
        "$numberDouble": "0.5"
      },
      "quality": "1"
    }
  },
  "visibility": {
    "distance": {
      "value": {
        "$numberInt": "999999"
      },
      "quality": "9"
    },
    "variability": {
      "value": "N",
      "quality": "9"
    }
  },
  "skyCondition": {
    "ceilingHeight": {
      "value": {
        "$numberInt": "99999"
      },
      "quality": "9",
      "determination": "9"
    },
    "cavok": "N"
  },
  "sections": [
    "AG1",
    "MD1",
    "OA1",
    "SA1"
  ],
  "precipitationEstimatedObservation": {
    "discrepancy": "2",
    "estimatedWaterDepth": {
      "$numberInt": "999"
    }
  },
  "atmosphericPressureChange": {
    "tendency": {
      "code": "2",
      "quality": "1"
    },
    "quantity3Hours": {
      "value": {
        "$numberDouble": "1.2"
      },
      "quality": "1"
    },
    "quantity24Hours": {
      "value": {
        "$numberDouble": "99.9"
      },
      "quality": "9"
    }
  },
  "seaSurfaceTemperature": {
    "value": {
      "$numberDouble": "5.5"
    },
    "quality": "9"
  }
}

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