BMFCoordinateRegion.fromMap constructor
- 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']);
}