Class NodedSegmentString

Namespace

NetTopologySuite.Noding

Assembly

NetTopologySuite.dll

Represents a list of contiguous line segments, and supports noding the segments. The line segments are represented by an array of Coordinates. Intended to optimize the noding of contiguous segments by reducing the number of allocated objects. ISegmentStrings can carry a context object, which is useful for preserving topological or parentage information. All noded substrings are initialized with the same context object.

For read-only applications use BasicSegmentString, which is (slightly)more lightweight.

public class NodedSegmentString : INodableSegmentString, ISegmentString

Inheritance

object

NodedSegmentString

Implements

INodableSegmentString

ISegmentString

Inherited Members

object.GetType()

object.MemberwiseClone()

object.Equals(object)

object.Equals(object, object)

object.ReferenceEquals(object, object)

object.GetHashCode()

Constructors

NodedSegmentString(Coordinate[], object)

Creates an instance from a list of vertices and optional data object.

public NodedSegmentString(Coordinate[] pts, object context)

Parameters

pts Coordinate[]

The vertices of the segment string.

context object

The user-defined data of this segment string (may be null).

See Also

BasicSegmentString

NodedSegmentString(ISegmentString)

Creates a new instance from a ISegmentString.

public NodedSegmentString(ISegmentString ss)

Parameters

ss ISegmentString

The segment string to use.

See Also

BasicSegmentString

Properties

Context

Gets/Sets the user-defined data for this segment string.

public object Context { get; set; }

Property Value

object

Remarks

In JTS this property is called Data

See Also

BasicSegmentString

Coordinates

public Coordinate[] Coordinates { get; }

Property Value

Coordinate[]

See Also

BasicSegmentString

Count

public int Count { get; }

Property Value

int

See Also

BasicSegmentString

IsClosed

public bool IsClosed { get; }

Property Value

bool

See Also

BasicSegmentString

this[int]

public LineSegment this[int index] { get; set; }

Parameters

index int

Property Value

LineSegment

See Also

BasicSegmentString

NodeList

public SegmentNodeList NodeList { get; }

Property Value

SegmentNodeList

See Also

BasicSegmentString

NodedCoordinates

Gets a list of coordinates with all nodes included.

public Coordinate[] NodedCoordinates { get; }

Property Value

Coordinate[]

An array of coordinates including nodes

See Also

BasicSegmentString

Methods

AddIntersection(LineIntersector, int, int, int)

Add an SegmentNode for intersection intIndex. An intersection that falls exactly on a vertex of the NodedSegmentString is normalized to use the higher of the two possible segmentIndexes.

public void AddIntersection(LineIntersector li, int segmentIndex, int geomIndex, int intIndex)

Parameters

li LineIntersector

segmentIndex int

geomIndex int

intIndex int

See Also

BasicSegmentString

AddIntersection(Coordinate, int)

public void AddIntersection(Coordinate intPt, int segmentIndex)

Parameters

intPt Coordinate

segmentIndex int

See Also

BasicSegmentString

AddIntersections(LineIntersector, int, int)

Adds EdgeIntersections for one or both intersections found for a segment of an edge to the edge intersection list.

public void AddIntersections(LineIntersector li, int segmentIndex, int geomIndex)

Parameters

li LineIntersector

segmentIndex int

geomIndex int

See Also

BasicSegmentString

GetCoordinate(int)

public Coordinate GetCoordinate(int i)

Parameters

i int

Returns

Coordinate

See Also

BasicSegmentString

GetNodedSubstrings(IEnumerable<ISegmentString>)

Gets the ISegmentStrings which result from splitting this string at node points.

public static ReadOnlyCollection<ISegmentString> GetNodedSubstrings(IEnumerable<ISegmentString> segStrings)

Parameters

segStrings IEnumerable<ISegmentString>

A collection of NodedSegmentStrings

Returns

ReadOnlyCollection<ISegmentString>

A collection of NodedSegmentStrings representing the substrings

See Also

BasicSegmentString

GetNodedSubstrings(IEnumerable<ISegmentString>, ICollection<ISegmentString>)

Adds the noded ISegmentStrings which result from splitting this string at node points.

public static void GetNodedSubstrings(IEnumerable<ISegmentString> segStrings, ICollection<ISegmentString> resultEdgelist)

Parameters

segStrings IEnumerable<ISegmentString>

A collection of NodedSegmentStrings

resultEdgelist ICollection<ISegmentString>

A list which will collect the NodedSegmentStrings representing the substrings

See Also

BasicSegmentString

GetSegmentOctant(int)

Gets the octant of the segment starting at vertex index.

public Octants GetSegmentOctant(int index)

Parameters

index int

The index of the vertex starting the segment. Must not be the last index in the vertex list

Returns

Octants

The octant of the segment at the vertex

See Also

BasicSegmentString

ToString()

public override string ToString()

Returns

string

See Also

BasicSegmentString

See Also

BasicSegmentString