CircularRegion class
A circular geographic region for proximity-based location filtering.
Defined by a center point and radius. Used for geofencing and "near" location queries.
final region = CircularRegion(
radius: 5.kilometers,
center: LocationCoordinate(latitude: 37.7749, longitude: -122.4194),
);
final isInside = region.contains(point);
- Annotations
-
- @JsonSerializable.new(createFactory: false)
Constructors
- CircularRegion({required Distance radius, required LocationCoordinate center})
-
const
Properties
- center → LocationCoordinate
-
The center coordinate of this circular region.
final
- distance → double
-
The radius in kilometers.
no setter
- hashCode → int
-
The hash code for this object.
no setterinherited
- lat → double
-
The latitude of the center point.
no setter
- lng → double
-
The longitude of the center point.
no setter
- radius → Distance
-
The radius of this circular region.
final
- runtimeType → Type
-
A representation of the runtime type of the object.
no setterinherited
Methods
-
contains(
LocationCoordinate point) → bool -
Whether
pointis within this circular region. -
noSuchMethod(
Invocation invocation) → dynamic -
Invoked when a nonexistent method or property is accessed.
inherited
-
toJson(
) → Map< String, dynamic> - Converts this circular region to JSON.
-
toString(
) → String -
A string representation of this object.
inherited
Operators
-
operator ==(
Object other) → bool -
The equality operator.
inherited