Class CoordinateEqualityComparer

A class that can be used to test coordinates for equality.

It uses the algorithm that was default for NTS prior to v2.2, i.e. checks if the 2d distance between coordinates x and y is less than or equal to a tolerance value.
Inheritance
object
EqualityComparer<Coordinate>
CoordinateEqualityComparer
PerOrdinateEqualityComparer
Implements
Inherited Members
Namespace: NetTopologySuite.Geometries
Assembly: NetTopologySuite.dll
Syntax
public class CoordinateEqualityComparer : EqualityComparer<Coordinate>, IEqualityComparer<Coordinate>, IEqualityComparer

Methods

| Edit this page View Source

AreEqual(Coordinate, Coordinate, double)

Method to test 2 Coordinates for equality, allowing a tolerance.

Declaration
protected virtual bool AreEqual(Coordinate a, Coordinate b, double tolerance)
Parameters
Type Name Description
Coordinate a

The 1st Coordinate
Coordinate b

The 2nd Coordinate
double tolerance

A tolerance value
Returns
Type Description
bool

true if a and b can be considered equal.
| Edit this page View Source

Equals(Coordinate, Coordinate)

Declaration
public override sealed bool Equals(Coordinate x, Coordinate y)
Parameters
Type Name Description
Coordinate x
Coordinate y
Returns
Type Description
bool
Overrides
| Edit this page View Source

Equals(Coordinate, Coordinate, double)

Compares Coordinates x and y for equality allowing for a tolerance.

Declaration
public bool Equals(Coordinate x, Coordinate y, double tolerance)
Parameters
Type Name Description
Coordinate x

A Coordinate
Coordinate y

A Coordinate
double tolerance

A tolerance value.
Returns
Type Description
bool

true if x and y can be considered equal; otherwise false.
| Edit this page View Source

GetHashCode(Coordinate)

Declaration
public override sealed int GetHashCode(Coordinate c)
Parameters
Type Name Description
Coordinate c
Returns
Type Description
int
Overrides

Implements