叠置分析(overlay) - kqgis server v8.5

对给定的两个图形进行指定类型的空间叠置分析结果
请求示例

intersect_相交

{
    "srcData": {
        "type": "multipolygon",
        "coordinates": [
            [
                [
                    [
                        39534163.061373,
                        3347660.873658
                    ],
                    [
                        39536078.193395,
                        3347660.873658
                    ],
                    [
                        39536078.193395,
                        3346505.714661
                    ],
                    [
                        39534163.061373,
                        3346505.714661
                    ],
                    [
                        39534163.061373,
                        3347660.873658
                    ]
                ]
            ]
        ]
    },
    "destData": {
        "type": "multipolygon",
        "coordinates": [
            [
                [
                    [
                        39535845.135001,
                        3347417.682290
                    ],
                    [
                        39538094.655154,
                        3347417.682290
                    ],
                    [
                        39538094.655154,
                        3346718.507108
                    ],
                    [
                        39535845.135001,
                        3346718.507108
                    ],
                    [
                        39535845.135001,
                        3347417.682290
                    ]
                ]
            ]
        ]
    },
    "overlayType": "Intersect",
    "geoSRS": "EPSG:4527",
    "destGeoSRS": "EPSG:4527",
    "outSRS": "EPSG:4527"
}

erase_相差

{
    "srcData": {
        "type": "multipolygon",
        "coordinates": [
            [
                [
                    [
                        39534163.061373,
                        3347660.873658
                    ],
                    [
                        39536078.193395,
                        3347660.873658
                    ],
                    [
                        39536078.193395,
                        3346505.714661
                    ],
                    [
                        39534163.061373,
                        3346505.714661
                    ],
                    [
                        39534163.061373,
                        3347660.873658
                    ]
                ]
            ]
        ]
    },
    "destData": {
        "type": "multipolygon",
        "coordinates": [
            [
                [
                    [
                        39535845.135001,
                        3347417.682290
                    ],
                    [
                        39538094.655154,
                        3347417.682290
                    ],
                    [
                        39538094.655154,
                        3346718.507108
                    ],
                    [
                        39535845.135001,
                        3346718.507108
                    ],
                    [
                        39535845.135001,
                        3347417.682290
                    ]
                ]
            ]
        ]
    },
    "overlayType": "Erase",
    "geoSRS": "EPSG:4527",
    "destGeoSRS": "EPSG:4527",
    "outSRS": "EPSG:4527"
}

union_相并

{
    "srcData": {
        "type": "multipolygon",
        "coordinates": [
            [
                [
                    [
                        39534163.061373,
                        3347660.873658
                    ],
                    [
                        39536078.193395,
                        3347660.873658
                    ],
                    [
                        39536078.193395,
                        3346505.714661
                    ],
                    [
                        39534163.061373,
                        3346505.714661
                    ],
                    [
                        39534163.061373,
                        3347660.873658
                    ]
                ]
            ]
        ]
    },
    "destData": {
        "type": "multipolygon",
        "coordinates": [
            [
                [
                    [
                        39535845.135001,
                        3347417.682290
                    ],
                    [
                        39538094.655154,
                        3347417.682290
                    ],
                    [
                        39538094.655154,
                        3346718.507108
                    ],
                    [
                        39535845.135001,
                        3346718.507108
                    ],
                    [
                        39535845.135001,
                        3347417.682290
                    ]
                ]
            ]
        ]
    },
    "overlayType": "Union",
    "geoSRS": "EPSG:4527",
    "destGeoSRS": "EPSG:4527",
    "outSRS": "EPSG:4527"
}

symmetricalDifference_交集取反

{
    "srcData": {
        "type": "multipolygon",
        "coordinates": [
            [
                [
                    [
                        39534163.061373,
                        3347660.873658
                    ],
                    [
                        39536078.193395,
                        3347660.873658
                    ],
                    [
                        39536078.193395,
                        3346505.714661
                    ],
                    [
                        39534163.061373,
                        3346505.714661
                    ],
                    [
                        39534163.061373,
                        3347660.873658
                    ]
                ]
            ]
        ]
    },
    "destData": {
        "type": "multipolygon",
        "coordinates": [
            [
                [
                    [
                        39535845.135001,
                        3347417.682290
                    ],
                    [
                        39538094.655154,
                        3347417.682290
                    ],
                    [
                        39538094.655154,
                        3346718.507108
                    ],
                    [
                        39535845.135001,
                        3346718.507108
                    ],
                    [
                        39535845.135001,
                        3347417.682290
                    ]
                ]
            ]
        ]
    },
    "overlayType": "SymmetricalDifference",
    "geoSRS": "EPSG:4527",
    "destGeoSRS": "EPSG:4527",
    "outSRS": "EPSG:4527"
}

请求参数

Body 参数application/json

srcData

string

必需

源图形对象，类型为Point、multilinestring、multipolygon等GeoJson对象，具体参见 “geojson 对象” geojson 对象

destData

string

必需

目标图形对象，类型为Point、multilinestring、multipolygon等GeoJson对象，具体参见 “geojson 对象” geojson 对象

overlayType

enum<string>

必需

叠置分析类型，交、差、并、交集取反：Intersect、Erase、Union、SymmetricalDifference

枚举值:

交，Intersect差，Erase并，Union交集取反，SymmetricalDifference

tolerance

number

可选

容差，不选则默认为0.00000001米

geoSRS

string

源图形空间参考

必需

destGeoSRS

string

目标图形空间参考

必需

outSRS

string

输出图形空间参考

必需

示例

{
  "srcData": {
    "type": "multipolygon",
    "coordinates": [
      [
        [
          [
            39534163.061373,
            3347660.873658
          ],
          [
            39536078.193395,
            3347660.873658
          ],
          [
            39536078.193395,
            3346505.714661
          ],
          [
            39534163.061373,
            3346505.714661
          ],
          [
            39534163.061373,
            3347660.873658
          ]
        ]
      ]
    ]
  },
  "destData": {
    "type": "multipolygon",
    "coordinates": [
      [
        [
          [
            39535845.135001,
            3347417.68229
          ],
          [
            39538094.655154,
            3347417.68229
          ],
          [
            39538094.655154,
            3346718.507108
          ],
          [
            39535845.135001,
            3346718.507108
          ],
          [
            39535845.135001,
            3347417.68229
          ]
        ]
      ]
    ]
  },
  "overlayType": "Intersect",
  "geoSRS": "EPSG:4527",
  "destGeoSRS": "EPSG:4527",
  "outSRS": "EPSG:4527"
}

示例代码

Shell

JavaScript

Java

Swift

PHP

Python

HTTP

Objective-C

Ruby

OCaml

Dart

返回响应

🟢200成功

application/json

Body

object {0}

示例

intersect_相交返回结果erase_相差返回结果union_相并返回结果symmetricalDifference_交集取反返回结果

{
  "result": {
    "coordinates": [
      [
        [
          [
            39536078.193395,
            3347417.68229
          ],
          [
            39536078.193395,
            3346718.507108
          ],
          [
            39535845.135001,
            3346718.507108
          ],
          [
            39535845.135001,
            3347417.68229
          ],
          [
            39536078.193395,
            3347417.68229
          ]
        ]
      ]
    ],
    "type": "MultiPolygon"
  },
  "resultcode": "success",
  "time": 142
}