GeoJSONUtil

Provides a simple GeoJSON method

Methods

• isGeoJSON(geojsonFeature)
  • geojsonFeature GeoJSON Feature,Point/LineString/......
  • return Boolean

• isGeoJSONPolygon(geojsonFeature)
  • geojsonFeature GeoJSON Feature,Point/LineString/......
  • return Boolean

• isGeoJSONLine(geojsonFeature)
  • geojsonFeature GeoJSON Feature,Point/LineString/......
  • return Boolean

• isGeoJSONPoint(geojsonFeature) ``
  • geojsonFeature GeoJSON Feature,Point/LineString/......
  • return Boolean

• isGeoJSONMulti(geojsonFeature) MultiPoint/MultiLineString/MultiPolygon
  • geojsonFeature GeoJSON Feature,Point/LineString/......
  • return Boolean

• getGeoJSONCoordinates(geojsonFeature) ``
  • geojsonFeature GeoJSON Feature,Point/LineString/......
  • return Array<Coordiantes>|Array<Array<Coordiantes>>|Array<Array<Array<Coordiantes>>>|Array<Array<Array<Array<Coordiantes>>>>

• getGeoJSONCenter(geojsonFeature) Center is the center of gravity
  • geojsonFeature GeoJSON Feature,Point/LineString/......
  • return maptalks.Coordiante

const multiPolygon={
    .......
}

const center=GeoJSONUtil.getGeoJSONCenter(multiPolygon);

• spliteGeoJSONMulti(geojsonFeature) split multi geojson to single geojson
  • geojsonFeature GeoJSON Feature,Point/LineString/......
  • return Array<GeoJSONFeature>

const multiPolygon={
    .......
}

const polygons=GeoJSONUtil.spliteGeoJSONMulti(multiPolygon);