Class UnaryUnionNG

Unions a collection of geometries in an efficient way, using OverlayNG to ensure robust computation.

This class is most useful for performing UnaryUnion using a fixed-precision model.
For unary union using floating precision, Union(Geometry) should be used.

Inheritance

object

UnaryUnionNG

Inherited Members

object.Equals(object)

object.Equals(object, object)

object.GetHashCode()

object.GetType()

object.MemberwiseClone()

object.ReferenceEquals(object, object)

object.ToString()

Namespace: NetTopologySuite.Operation.OverlayNG

Assembly: NetTopologySuite.dll

Syntax

public static class UnaryUnionNG

Methods

Union(Geometry, PrecisionModel)

Unions a geometry (which is often a collection) using a given precision model.

Declaration

public static Geometry Union(Geometry geom, PrecisionModel pm)

Parameters

Type	Name	Description
Geometry	geom	The geometry to union
PrecisionModel	pm	The precision model to use

Returns

Type	Description
Geometry	The union of the geometry

See Also

OverlayNGRobust

Union(IEnumerable<Geometry>, GeometryFactory, PrecisionModel)

Unions a geometry (which is often a collection) using a given precision model.

Declaration

public static Geometry Union(IEnumerable<Geometry> geoms, GeometryFactory geomFact, PrecisionModel pm)

Parameters

Type	Name	Description
IEnumerable<Geometry>	geoms	The geometries to union
GeometryFactory	geomFact	The geometry factory to use
PrecisionModel	pm	The precision model to use

Returns

Type	Description
Geometry	The union of the geometries

See Also

OverlayNGRobust

Union(IEnumerable<Geometry>, PrecisionModel)

Unions a geometry (which is often a collection) using a given precision model.

Declaration

public static Geometry Union(IEnumerable<Geometry> geoms, PrecisionModel pm)

Parameters

Type	Name	Description
IEnumerable<Geometry>	geoms	The geometries to union
PrecisionModel	pm	The precision model to use

Returns

Type	Description
Geometry	The union of the geometries

See Also

OverlayNGRobust