Class PackedCoordinateSequence

A CoordinateSequence implementation based on a packed arrays.

Inheritance

object

CoordinateSequence

PackedCoordinateSequence

PackedDoubleCoordinateSequence

PackedFloatCoordinateSequence

Inherited Members

CoordinateSequence.Dimension

CoordinateSequence.Measures

CoordinateSequence.Spatial

CoordinateSequence.Ordinates

CoordinateSequence.HasZ

CoordinateSequence.HasM

CoordinateSequence.ZOrdinateIndex

CoordinateSequence.MOrdinateIndex

CoordinateSequence.CreateCoordinate()

CoordinateSequence.GetCoordinateCopy(int)

CoordinateSequence.GetCoordinate(int, Coordinate)

CoordinateSequence.GetX(int)

CoordinateSequence.GetY(int)

CoordinateSequence.GetZ(int)

CoordinateSequence.GetM(int)

CoordinateSequence.SetX(int, double)

CoordinateSequence.SetY(int, double)

CoordinateSequence.SetZ(int, double)

CoordinateSequence.SetM(int, double)

CoordinateSequence.GetOrdinate(int, int)

CoordinateSequence.GetOrdinate(int, Ordinate)

CoordinateSequence.First

CoordinateSequence.Last

CoordinateSequence.Count

CoordinateSequence.SetOrdinate(int, int, double)

CoordinateSequence.SetOrdinate(int, Ordinate, double)

CoordinateSequence.ExpandEnvelope(Envelope)

CoordinateSequence.Copy()

CoordinateSequence.Reversed()

CoordinateSequence.TryGetOrdinateIndex(Ordinate, out int)

object.Equals(object)

object.Equals(object, object)

object.GetHashCode()

object.GetType()

object.MemberwiseClone()

object.ReferenceEquals(object, object)

Namespace: NetTopologySuite.Geometries.Implementation

Assembly: NetTopologySuite.dll

Syntax

[Serializable]
public abstract class PackedCoordinateSequence : CoordinateSequence

Constructors

PackedCoordinateSequence(int, int, int)

Creates an instance of this class

Declaration

protected PackedCoordinateSequence(int count, int dimension, int measures)

Parameters

Type	Name	Description
int	count	The number of Coordinates in the sequence.
int	dimension	The total number of ordinates that make up a Coordinate in this sequence.
int	measures	the number of measure-ordinates each {Coordinate in this sequence has.

Fields

CoordRef

A soft reference to the Coordinate[] representation of this sequence. Makes repeated coordinate array accesses more efficient.

Declaration

[NonSerialized]
protected WeakReference CoordRef

Field Value

Type	Description
WeakReference

Methods

GetCoordinate(int)

Returns (possibly a copy of) the ith Coordinate in this collection. Whether or not the Coordinate returned is the actual underlying Coordinate or merely a copy depends on the implementation. Note that in the future the semantics of this method may change to guarantee that the Coordinate returned is always a copy. Callers are advised not to assume that they can modify a CoordinateSequence by modifying the Coordinate returned by this method.

Declaration

public override sealed Coordinate GetCoordinate(int i)

Parameters

Type	Name	Description
int	i

Returns

Type	Description
Coordinate

Overrides

CoordinateSequence.GetCoordinate(int)

GetCoordinateInternal(int)

Returns a Coordinate representation of the specified coordinate, by always building a new Coordinate object.

Declaration

[Obsolete("Unused.  This will be removed in a future release.")]
protected virtual Coordinate GetCoordinateInternal(int index)

Parameters

Type	Name	Description
int	index	The coordinate index

Returns

Type	Description
Coordinate	The Coordinate at the given index

ReleaseCoordinateArray()

Releases the weak reference to the coordinate array.

Declaration

public void ReleaseCoordinateArray()

Remarks

This is necessary if you directly modify the array from GetRawCoordinates.

ToCoordinateArray()

Returns (possibly copies of) the Coordinates in this collection. Whether or not the Coordinates returned are the actual underlying Coordinates or merely copies depends on the implementation. Note that if this implementation does not store its data as an array of Coordinates, this method will incur a performance penalty because the array needs to be built from scratch.

Declaration

public override sealed Coordinate[] ToCoordinateArray()

Returns

Type	Description
Coordinate[]

Overrides

CoordinateSequence.ToCoordinateArray()

ToString()

Declaration

public override string ToString()

Returns

Type	Description
string

Overrides

object.ToString()

Extension Methods

CoordinateSequenceEx.GetHashCode(CoordinateSequence, int, Func<int, int>)