Point class

A point geometry with a position.

Implemented types

• SimpleGeometry

Constructors

Point(Position position)

A point geometry with position.

const

Point.build(Iterable<double> position, {Coords? type})

Builds a point geometry from a position.

factory

Point.decode(Uint8List bytes, {BinaryFormat<SimpleGeometryContent> format = WKB.geometry, CoordRefSys? crs, Map<String, dynamic>? options})

Decodes a point geometry from bytes conforming to format.

factory

Point.decodeHex(String bytesHex, {BinaryFormat<SimpleGeometryContent> format = WKB.geometry, CoordRefSys? crs, Map<String, dynamic>? options})

Decodes a point geometry from bytesHex (as a hex string) conforming to format.

factory

Point.parse(String text, {TextReaderFormat<SimpleGeometryContent> format = GeoJSON.geometry, CoordRefSys? crs, Map<String, dynamic>? options})

Parses a point geometry from text conforming to format.

factory

Point.parseCoords(String text, {Pattern delimiter = ',', Coords? type, bool swapXY = false, bool singlePrecision = false})

Parses a point geometry from text with coordinate values separated by delimiter.

factory

Properties

bounds → Box

The bounding box for this point, min and max with the same point position.

no setter, override

coordType → Coords

A value of Coords representing the coordinate type of position data contained directly or within child objects.

no setter, override

geomType → Geom

The geometry type.

no setter, override

hashCode → int

The hash code for this object.

no setter, override

isEmptyByGeometry → bool

Returns true if this geometry is considered empty.

no setter, override

position → Position

The position of this point geometry.

no setter

runtimeType → Type

A representation of the runtime type of the object.

no setter, inherited

Methods

area2D() → double

Returns the area of this geometry calculated in a cartesian 2D plane.

override

boundsAligned2D({Aligned align = Aligned.center, PositionScheme scheme = Position.scheme}) → Position?

Returns an aligned 2D position relative to a bounding box accessed by getBounds.

override

calculateBounds({PositionScheme scheme = Position.scheme}) → Box

The bounding box for this point, min and max with the same point position.

override

centroid2D({PositionScheme scheme = Position.scheme}) → Position?

Returns the centroid of this geometry calculated in a cartesian 2D plane.

override

dimensionality2D() → Dimensionality

Returns the true dimensionality of this geometry in 2D.

override

equals2D(covariant Geometry other, {double toleranceHoriz = defaultEpsilon}) → bool

True if this and other equals by testing 2D coordinate values of all position data (that must be in same order in both objects) contained directly or by child objects.

override

equals3D(covariant Geometry other, {double toleranceHoriz = defaultEpsilon, double toleranceVert = defaultEpsilon}) → bool

True if this and other equals by testing 3D coordinate values of all position data (that must be in same order in both objects) contained directly or by child objects.

override

equalsCoords(covariant Geometry other) → bool

True if this and other contain exactly same coordinate values (or both are empty) in the same order and with the same coordinate type.

override

getBounds({PositionScheme scheme = Position.scheme}) → Box?

The bounding box for this point, min and max with the same point position.

override

length2D() → double

Returns the length of this geometry calculated in a cartesian 2D plane.

override

length3D() → double

Returns the length of this geometry calculated in a cartesian 3D space.

override

noSuchMethod(Invocation invocation) → dynamic

Invoked when a nonexistent method or property is accessed.

inherited

populated({int traverse = 0, bool onBounds = true, PositionScheme scheme = Position.scheme}) → Point

Returns a geometry of the same subtype as this with certain data members populated.

override

project(Projection projection) → Point

Returns an object of the same subtype as this with all position data projected using projection and non-positional properties left intact.

override

toBytes({BinaryFormat<SimpleGeometryContent> format = WKB.geometry, Endian? endian, CoordRefSys? crs, Map<String, dynamic>? options}) → Uint8List

The binary representation of this geometry object, with format applied.

override

toBytesHex({BinaryFormat<SimpleGeometryContent> format = WKB.geometry, Endian? endian, CoordRefSys? crs, Map<String, dynamic>? options}) → String

The binary representation as a hex string of this geometry object, with format applied.

override

toString() → String

A string representation of this object.

override

toText({TextWriterFormat<SimpleGeometryContent> format = GeoJSON.geometry, int? decimals, CoordRefSys? crs, Map<String, dynamic>? options}) → String

The string representation of this geometry object, with format applied.

override

unpopulated({int traverse = 0, bool onBounds = true}) → Point

Returns a geometry of the same subtype as this with certain data members unpopulated (or cleared).

override

writeTo(SimpleGeometryContent writer, {String? name}) → void

Writes this geometry object to writer.

override

Operators

operator ==(Object other) → bool

The equality operator.

override