获取车流量矩阵

获取一个车流量矩阵，用于构建弦图，关于弦图的说明可以见这里
https://d3js.org/d3-chord
这个矩阵描述了从"timeFrom"到"timeTo"这段时间内对于cameraId摄像头而言的检测线流量
比方说，对于这个返回结果，矩阵形状为(3,3,2)，前两个3代表检测线的数量，后面的一个2代表标签的数量，对于[2][1][0]的元素，它代表从索引为2的检测线出发到达索引为1的检测线的索引为0的标签所代表的载具的数量，也就是从检测线3出发到达检测线2的小型车的数量为14.7

{
  "code": "200",
  "msg": "Success",
  "data": {
    "flowmat": [
      [
        ["0", "0"],
        ["15.3", "11.8"],
        ["9.7", "8.2"]
      ],
      [
        ["13.0", "12.0"],
        ["0", "0"],
        ["10.5", "9.3"]
      ],
      [
        ["11.2", "10.8"],
        ["14.7", "13.4"],
        ["0", "0"]
      ]
    ],
    "cameraLines": [
      {
        "cameraLineName": "检测线1",
        "cameraLineId": "CL1"
      },
      {
        "cameraLineName": "检测线2",
        "cameraLineId": "CL2"
      },
      {
        "cameraLineName": "检测线3",
        "cameraLineId": "CL3"
      }
    ],
    "labels": [
      {
        "labelName": "小型车",
        "labelId": "L1"
      },
      {
        "labelName": "大型车",
        "labelId": "L2"
      }
    ]
  }
}

返回响应

🟢200成功

application/json

对于这个用例而言，flowmat由一个3*3矩阵表示

Body

code

string

必需

msg

string

必需

data

object

必需

flowmat

array [array]

必需

返回一个矩阵，详见示例

cameraLines

array [object {2}]

必需

返回当前摄像头检测线列表

labels

array [object {2}]

必需

返回当前的labels，有哪些模型支持识别的载具类型

示例

{
    这一行是防止格式化
  "code": "200",
  "msg": "Success",
  "data": {
    "flowmat": [
      [
        ["12.5", "10.2"],
        ["15.3", "11.8"],
        ["9.7", "8.2"]
      ],
      [
        ["13.0", "12.0"],
        ["16.5", "14.1"],
        ["10.5", "9.3"]
      ],
      [
        ["11.2", "10.8"],
        ["14.7", "13.4"],
        ["8.9", "7.5"]
      ]
    ],
    "cameraLines": [
      {
        "cameraLineName": "检测线1",
        "cameraLineId": "CL1"
      },
      {
        "cameraLineName": "检测线2",
        "cameraLineId": "CL2"
      },
      {
        "cameraLineName": "检测线3",
        "cameraLineId": "CL3"
      }
    ],
    "labels": [
      {
        "labelName": "小型车",
        "labelId": "L1"
      },
      {
        "labelName": "大型车",
        "labelId": "L2"
      }
    ]
  }
}

获取车流量矩阵

请求参数

示例代码

返回响应