如何知道给定的latlng是否在geojson多边形坐标内

时间:2014-11-03 09:05:03

标签: javascript map leaflet geojson

我正在使用leafletjs,我有一个用户的latlng坐标列表, 我想使用带有geojson信息的交互式地图进行搜索,以获取地图上所选区域内的所有人物, 例如,这里是一个latlng坐标:  [36.73757725283114,4.400174617767334]与这些地理坐标位于同一区域

var statesData = {
  "type": "FeatureCollection",
  "crs": {
    "type": "name",
    "properties": {
      "name": "urn:ogc:def:crs:OGC:1.3:CRS84"
    }
  },

  "features": [{
    "type": "Feature",
    "properties": {
      "ID_0": 65,
      "ISO": "DZA",
      "NAME_0": "Algeria",
      "ID_1": 876,
      "NAME_1": "Tizi Ouzou",
      "ID_2": 13247,
      "NAME_2": "Azazga",
      "VARNAME_2": "`Azazghah",
      "NL_NAME_2": null,
      "HASC_2": "DZ.TO.AZ",
      "CC_2": "1518",
      "TYPE_2": "Commune",
      "ENGTYPE_2": "Commune",
      "VALIDFR_2": "20020710",
      "VALIDTO_2": "Present",
      "REMARKS_2": null,
      "Shape_Leng": 0.485497,
      "Shape_Area": 0.007781
    },
    "geometry": {
      "type": "Polygon",
      "coordinates": [
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  }]
}

如何检查它是否在这些坐标中

1 个答案:

答案 0 :(得分:-1)

您可以使用地图框leaflet point in polygon来检查哪些多边形包含您的分数。