Class CoordinateSequenceComparator

Compares two CoordinateSequences.

Inheritance

Object

CoordinateSequenceComparator

Implements

IComparer<CoordinateSequence>

Inherited Members

Object.Equals(Object)

Object.Equals(Object, Object)

Object.GetHashCode()

Object.GetType()

Object.MemberwiseClone()

Object.ReferenceEquals(Object, Object)

Object.ToString()

Namespace: NetTopologySuite.Geometries

Assembly: NetTopologySuite.dll

Syntax

public class CoordinateSequenceComparator : IComparer<CoordinateSequence>

Remarks

For sequences of the same dimension, the ordering is lexicographic. Otherwise, lower dimensions are sorted before higher. The dimensions compared can be limited; if this is done ordinate dimensions above the limit will not be compared.

If different behaviour is required for comparing size, dimension, or coordinate values, any or all methods can be overridden.

Constructors

CoordinateSequenceComparator()

Creates a comparator which will test all dimensions.

Declaration

public CoordinateSequenceComparator()

CoordinateSequenceComparator(Int32)

Creates a comparator which will test only the specified number of dimensions.

Declaration

public CoordinateSequenceComparator(int dimensionLimit)

Parameters

Type	Name	Description
Int32	dimensionLimit	The number of dimensions to test

Fields

DimensionLimit

The number of dimensions to test

Declaration

protected int DimensionLimit

Field Value

Type	Description
Int32

Methods

Compare(CoordinateSequence, CoordinateSequence)

Compares two CoordinateSequences for relative order.

Declaration

public int Compare(CoordinateSequence s1, CoordinateSequence s2)

Parameters

Type	Name	Description
CoordinateSequence	s1	A coordinate sequence
CoordinateSequence	s2	A coordinate sequence

Returns

Type	Description
Int32	-1, 0, or 1 depending on whether s1 is less than, equal to, or greater than s2

Compare(Double, Double)

Compare two doubles, allowing for NaN values. NaN is treated as being less than any valid number.

Declaration

public static int Compare(double a, double b)

Parameters

Type	Name	Description
Double	a	A double
Double	b	A double

Returns

Type	Description
Int32	-1, 0, or 1 depending on whether a is less than, equal to or greater than b

Compare(Object, Object)

Compares two CoordinateSequences for relative order.

Declaration

public int Compare(object o1, object o2)

Parameters

Type	Name	Description
Object	o1	A coordinate sequence
Object	o2	A coordinate sequence

Returns

Type	Description
Int32	-1, 0, or 1 depending on whether o1 is less than, equal to, or greater than o2

CompareCoordinate(CoordinateSequence, CoordinateSequence, Int32, Int32)

Compares the same coordinate of two CoordinateSequences

Declaration

protected int CompareCoordinate(CoordinateSequence s1, CoordinateSequence s2, int i, int dimension)

Parameters

Type	Name	Description
CoordinateSequence	s1	A coordinate sequence
CoordinateSequence	s2	A coordinate sequence
Int32	i	The index of the coordinate to test
Int32	dimension	the number of dimensions to test

Returns

Type	Description
Int32

Implements

System.Collections.Generic.IComparer<T>