Как передать данные JSON координат в turf.polygon?
Пример: turf.polygon ();
var polygon = turf.polygon([[
[-2.275543, 53.464547],
[-2.275543, 53.489271],
[-2.215118, 53.489271],
[-2.215118, 53.464547],
[-2.275543, 53.464547]
]], { name: 'poly1', population: 400});
Пример: Форма JSON
var json =
{
"type": "geojson",
"data":
{
"type": "FeatureCollection",
"features": [{
"type": "Feature",
"geometry": {
"type": "Polygon",
"coordinates": [[
[1.275543, 54.464547], // I want to feed these coordinates
[1.275543, 54.489271],
[1.215118, 54.489271],
[1.215118, 54.464547],
[1.275543, 54.464547]
]]
}
}]
}
}
Мой псевдокод: , который не работает и возвращает сообщение об ошибке "LinearRing of a Polygon must have 4 or more Positions."
var polygon = turf.polygon([[ json.data.features[0].geometry.coordinates ]], { name: 'poly1', population: 400});
Спасибо.