Point3 class

An immutable point with X, Y and Z as num values.

Inheritance

• Object
• Bounded
• Geometry
• Point<num>
• ProjectedPoint<num>
• Point2
• Point3

Implementers

• Point3m

Constructors

Point3({required num x, required num y, num z = 0.0})

A point at given x, y and z (z is zero by default).

const

Point3.create({required num x, required num y, num? z, num? m})

A point from parameters compatible with CreatePosition function type.

const

Point3.from(Iterable<num> coords, {int? offset})

A point from coords given in order: x, y, m.

factory

Point3.fromText(String text, {Pattern? delimiter})

A point parsed from text with coordinates given in order: x, y, z.

factory

Point3.origin()

A point at the origin (0.0, 0.0, 0.0).

const

Point3.parse(String text, {ParseCoords? parser})

A point parsed from text with coordinates in order: x, y, z.

factory

Point3.xyz(num x, num y, num z)

A point with coordinates given in order x, y, z.

const

Properties

bounds → Bounds<Point<num>>?

The bounds for this object (could be calculated if not explicitely set).

no setter, inherited

boundsExplicit → Bounds<Point<num>>?

The explicit bounds for this object when available.

no setter, inherited

coordinateDimension → int

The number of coordinate values (2, 3 or 4).

no setter, override

dimension → int

The topological dimension of this geometry.

no setter, inherited

hashCode → int

The hash code for this object.

no setter, inherited

is3D → bool

True for 3D positions (with z or elevation coordinate).

no setter, override

isEmpty → bool

True if this geometry is considered empty without data or coordinates.

no setter, inherited

isGeographic → bool

True for geographic coordinates (with longitude and latitude).

no setter, inherited

isMeasured → bool

True if a measure value is available (or the m coordinate for a position).

no setter, inherited

isNotEmpty → bool

True if this geometry is NOT considered empty without data or coordinates.

no setter, inherited

m → num

The m ("measure") coordinate value. Returns zero if not available.

no setter, inherited

onePoint → Point<num>?

Returns one of points contained by this geometry if it's not empty.

no setter, inherited

optM → num?

The m ("measure") coordinate optionally. Returns null if not available.

no setter, inherited

optZ → num?

The z coordinate value optionally. Returns null if not available.

no setter, override

runtimeType → Type

A representation of the runtime type of the object.

no setter, inherited

spatialDimension → int

The number of spatial coordinate values (2 for 2D or 3 for 3D).

no setter, override

type → Coords

The coordinate type.

no setter, override

typeGeom → Geom

The type of this geometry.

no setter, inherited

values → List<num>

Returns coordinate values of this point as a fixed length list.

no setter, inherited

x → num

The x coordinate value.

final, inherited

y → num

The y coordinate value.

final, inherited

z → num

The z coordinate value. Returns zero if not available.

final

Methods

copyTo<R extends Position>(CreatePosition<R> factory) → R

Copies this position to a new position created by the factory.

inherited

copyWith({num? x, num? y, num? z, num? m}) → Point3

Copies this point with optional x, y, z and m overriding values.

override

equals2D(Position other, {num? toleranceHoriz}) → bool

True if this position equals with other by testing 2D coordinates only.

inherited

equals3D(Position other, {num? toleranceHoriz, num? toleranceVert}) → bool

True if this position equals with other by testing 3D coordinates only.

inherited

newFrom(Iterable<num> coords, {int? offset, int? length}) → Point3

Creates a new point instance of a type compatible with this object.

override

newWith({num x = 0.0, num y = 0.0, num? z, num? m}) → Point3

Creates a new point instance of a type compatible with this object.

override

noSuchMethod(Invocation invocation) → dynamic

Invoked when a nonexistent method or property is accessed.

inherited

project<R extends Point<num>>(Projection projection, {required CreatePosition<R> to}) → R

Returns a new point projected from this point using projection.

inherited

toString() → String

A string representation of this object.

override

toStringAs({TextWriterFormat<GeometryContent> format = DefaultFormat.geometry, int? decimals}) → String

A string representation of this geometry, with format applied.

inherited

transform(TransformPosition transform) → Point3

Returns a new point transformed from this point using transform.

override

valuesAsString({String delimiter = ',', int? decimals}) → String

A string representation of coordinate values separated by delimiter.

inherited

writeTo(SimpleGeometryContent writer) → void

Writes this geometry object to writer.

inherited

writeValues(StringSink buffer, {String delimiter = ',', int? decimals}) → void

Writes coordinate values to buffer separated by delimiter.

inherited

Operators

operator ==(Object other) → bool

The equality operator.

inherited

operator [](int i) → num

A coordinate value by the coordinate axis index i.

override

Static Methods

tryParse(String text, {ParseCoords? parser}) → Point3?

A point parsed from text with coordinates in order: x, y, z.

override

Constants

coordinates → const PointFactory<Point3>

A PointFactory creating Point3 instances.