BMFCoordinateRegion.fromMap constructor

BMFCoordinateRegion.fromMap(
  1. Map map
)

map => BMFCoordinateRegion

Implementation

BMFCoordinateRegion.fromMap(Map map)
    : assert(map != null,
'Construct a BMFCoordinateRegion,The parameter map cannot be null'),
      assert(map.containsKey('center'),
      'Construct a BMFCoordinateRegion,The parameter center cannot be null'),
      assert(map.containsKey('span'),
      'Construct a BMFCoordinateRegion,The parameter span cannot be null') {
  center = BMFCoordinate.fromMap(map['center']);
  span = BMFCoordinateSpan.fromMap(map['span']);
}