Class LinearComponentExtracter

Extracts all the 1-dimensional (LineString) components from a Geometry. For polygonal geometries, this will extract all the component LinearRings. If desired, LinearRings can be forced to be returned as LineStrings.

Inheritance

Object

LinearComponentExtracter

Implements

IGeometryComponentFilter

Inherited Members

Object.Equals(Object)

Object.Equals(Object, Object)

Object.GetHashCode()

Object.GetType()

Object.MemberwiseClone()

Object.ReferenceEquals(Object, Object)

Object.ToString()

Namespace: NetTopologySuite.Geometries.Utilities

Assembly: NetTopologySuite.dll

Syntax

public class LinearComponentExtracter : IGeometryComponentFilter

Constructors

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LinearComponentExtracter(ICollection<Geometry>)

Constructs a LineExtracterFilter with a list in which to store LineStrings found.

Declaration

public LinearComponentExtracter(ICollection<Geometry> lines)

Parameters

Type	Name	Description
ICollection<Geometry>	lines

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LinearComponentExtracter(ICollection<Geometry>, Boolean)

Constructs a LineExtracterFilter with a list in which to store LineStrings found.

Declaration

public LinearComponentExtracter(ICollection<Geometry> lines, bool isForcedToLineString)

Parameters

Type	Name	Description
ICollection<Geometry>	lines
Boolean	isForcedToLineString

Properties

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IsForcedToLineString

Declaration

public bool IsForcedToLineString { get; set; }

Property Value

Type	Description
Boolean

Methods

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Filter(Geometry)

Declaration

public void Filter(Geometry geom)

Parameters

Type	Name	Description
Geometry	geom

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GetGeometry(Geometry)

Extracts the linear components from a single Geometry and returns them as either a LineString or MultiLineString.

Declaration

public static Geometry GetGeometry(Geometry geom)

Parameters

Type	Name	Description
Geometry	geom	The geometry from which to extract

Returns

Type	Description
Geometry	A linear geometry

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GetGeometry(Geometry, Boolean)

Extracts the linear components from a single Geometry and returns them as either a LineString or MultiLineString.

Declaration

public static Geometry GetGeometry(Geometry geom, bool forceToLineString)

Parameters

Type	Name	Description
Geometry	geom	The geometry from which to extract
Boolean	forceToLineString	`true` if LinearRings should be converted to LineStrings

Returns

Type	Description
Geometry	A linear geometry

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GetLines(Geometry)

Extracts the linear components from a single point. If more than one point is to be processed, it is more efficient to create a single LineExtracterFilter instance and pass it to multiple geometries.

Declaration

public static ReadOnlyCollection<Geometry> GetLines(Geometry geom)

Parameters

Type	Name	Description
Geometry	geom	The point from which to extract linear components.

Returns

Type	Description
ReadOnlyCollection<Geometry>	The list of linear components.

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GetLines(Geometry, Boolean)

Extracts the linear components from a single geometry. If more than one geometry is to be processed, it is more efficient to create a single LinearComponentExtracter instance and pass it to multiple geometries.

Declaration

public static ReadOnlyCollection<Geometry> GetLines(Geometry geom, bool forceToLineString)

Parameters

Type	Name	Description
Geometry	geom	The geometry from which to extract linear components
Boolean	forceToLineString	`true` if LinearRings should be converted to LineStrings

Returns

Type	Description
ReadOnlyCollection<Geometry>	The list of linear components

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GetLines<TCollection>(Geometry, TCollection)

Extracts the linear components from a single Geometry and adds them to the provided ICollection<T>.

Declaration

public static TCollection GetLines<TCollection>(Geometry geom, TCollection lines)

    where TCollection : ICollection<Geometry>

Parameters

Type	Name	Description
Geometry	geom	The geometry from which to extract linear components
TCollection	lines	The Collection to add the extracted linear components to

Returns

Type	Description
TCollection	The Collection of linear components (LineStrings or LinearRings)

Type Parameters

Name	Description
TCollection

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GetLines<TCollection>(Geometry, TCollection, Boolean)

Extracts the linear components from a single Geometry and adds them to the provided ICollection<T>.

Declaration

public static TCollection GetLines<TCollection>(Geometry geom, TCollection lines, bool forceToLineString)

    where TCollection : ICollection<Geometry>

Parameters

Type	Name	Description
Geometry	geom	The geometry from which to extract linear components
TCollection	lines	The Collection to add the extracted linear components to
Boolean	forceToLineString

Returns

Type	Description
TCollection	The Collection of linear components (LineStrings or LinearRings)

Type Parameters

Name	Description
TCollection

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GetLines<TCollection>(IEnumerable<Geometry>, TCollection)

Extracts the linear components from a IEnumerable<T> and adds them to the provided ICollection<T>.

Declaration

public static TCollection GetLines<TCollection>(IEnumerable<Geometry> geoms, TCollection lines)

    where TCollection : ICollection<Geometry>

Parameters

Type	Name	Description
IEnumerable<Geometry>	geoms	The geometry from which to extract linear components
TCollection	lines	The Collection to add the extracted linear components to

Returns

Type	Description
TCollection	The Collection of linear components (LineStrings or LinearRings)

Type Parameters

Name	Description
TCollection

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GetLines<TCollection>(IEnumerable<Geometry>, TCollection, Boolean)

Extracts the linear components from a IEnumerable<T> and adds them to the provided ICollection<T>.

Declaration

public static TCollection GetLines<TCollection>(IEnumerable<Geometry> geoms, TCollection lines, bool forceToLineString)

    where TCollection : ICollection<Geometry>

Parameters

Type	Name	Description
IEnumerable<Geometry>	geoms	The geometry from which to extract linear components
TCollection	lines	The Collection to add the extracted linear components to
Boolean	forceToLineString

Returns

Type	Description
TCollection	The Collection of linear components (LineStrings or LinearRings)

Type Parameters

Name	Description
TCollection

Implements

IGeometryComponentFilter