GeographyLineString class

Represents a geographic line string (sequence of points) for use with PostGIS.

Implemented types

• Geography

Available extensions

• GeographyLineStringJsonExtension

Constructors

GeographyLineString({required List<GeographyPoint> points, int srid = Geography.defaultSrid})

Creates a new GeographyLineString.

const

GeographyLineString.fromBinary(Uint8List bytes)

Creates a GeographyLineString from its EWKB binary representation as returned by PostgreSQL for geography columns.

factory

Properties

hashCode → int

The hash code for this object.

no setter, override

points → List<GeographyPoint>

Ordered list of points that make up the line.

final

runtimeType → Type

A representation of the runtime type of the object.

no setter, inherited

srid → int

Spatial reference system identifier. Defaults to WGS 84 (EPSG:4326).

final

Methods

noSuchMethod(Invocation invocation) → dynamic

Invoked when a nonexistent method or property is accessed.

inherited

toEwkt() → String

Returns the EWKT representation for PostGIS, e.g. SRID=4326;POINT(-0.12 51.5).

override

toJson() → String

Available on GeographyLineString, provided by the GeographyLineStringJsonExtension extension

Returns the EWKT representation as a String.

toString() → String

A string representation of this object.

override

Operators

operator ==(Object other) → bool

The equality operator.

override