GeoJsonPolygon.fromJson constructor

GeoJsonPolygon.fromJson(
  1. Map<String, dynamic> json
)

Implementation

factory GeoJsonPolygon.fromJson(Map<String, dynamic> json) {
  final coords = json['coordinates'] as List;
  return GeoJsonPolygon(
    coords
        .map((ring) => (ring as List)
            .map((c) =>
                (c as List).cast<num>().map((n) => n.toDouble()).toList())
            .toList())
        .toList(),
  );
}