FeatureCollection class Null safety
A FeatureCollection is a collection of Features.
Constructors
-
FeatureCollection(List<
Feature> features) -
FeatureCollection.fromJson(Map<
String, dynamic> json) -
Creates a FeatureCollection from a JSON object.
factory
Properties
- bbox → BoundingBox
-
Returns the BoundingBox of the FeatureCollection
If the FeatureCollection is empty, returns a BoundingBox.empty
read-only
- center → Point
-
Gets the center Point of the FeatureCollection.
This is an average of all the Points that create the Features in the FeatureCollection.
read-only
- envelope → Polygon
-
Returns the BoundingBox's Polygon of the FeatureCollection.
If the FeatureCollection is empty, returns a
Polygon([])
.read-only -
features
↔ List<
Feature> -
read / write
- hashCode → int
-
The hash code for this object.
read-only, inherited
- isEmpty → bool
-
Returns if the FeatureCollection is empty.
read-only
- runtimeType → Type
-
A representation of the runtime type of the object.
read-only, inherited
Methods
-
explode(
) → FeatureCollection - Creates a FeatureCollection of Points from the geometries of the Features contained within.
-
isCollectionOf(
String type) → bool -
Returns whether all the Features in the FeatureCollection are of the specified
type
. If the FeatureCollection is empty, returns false. If thetype
is not a valid geometry type, returns false. -
nearestPointTo(
Point point) → Point? -
Returns the Point with minimum distance between the FeatureCollection and the
point
. If the FeatureCollection is empty, returns an empty FeatureCollection. -
noSuchMethod(
Invocation invocation) → dynamic -
Invoked when a non-existent method or property is accessed.
inherited
-
toJson(
) → Map< String, dynamic> - Converts the FeatureCollection to a GEOJSON FeatureCollection object.
-
toString(
) → String -
A string representation of this object.
override
-
toWKT(
) → String - Converts the FeatureCollection to a WKT string.
Operators
-
operator ==(
Object other) → bool -
The equality operator.
inherited