Class Point

Represents a single point.

A Point is topologically valid if and only if:

  • The coordinate which defines it if any) is a valid coordinate (i.e. does not have an NaN X- or Y-ordinate
Inheritance
Object
Geometry
Point
Inherited Members
Namespace: NetTopologySuite.Geometries
Assembly: NetTopologySuite.dll
Syntax
[Serializable]
public class Point : Geometry, IComparable, IComparable<Geometry>, IPuntal

Constructors

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Point(Coordinate)

Initializes a new instance of the Point class.

Declaration
public Point(Coordinate coordinate)
Parameters
Type Name Description
Coordinate coordinate

The coordinate used for create this Point.
Remarks

For create this Geometry is used a standard GeometryFactory with PrecisionModel == Floating.

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Point(CoordinateSequence, GeometryFactory)

Constructs a Point with the given coordinate.

Declaration
public Point(CoordinateSequence coordinates, GeometryFactory factory)
Parameters
Type Name Description
CoordinateSequence coordinates

Contains the single coordinate on which to base this Point, or null to create the empty point.
GeometryFactory factory
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Point(Double, Double)

Initializes a new instance of the Point class.

Declaration
public Point(double x, double y)
Parameters
Type Name Description
Double x

The x coordinate.
Double y

The y coordinate.
Remarks

For create this Geometry is used a standard GeometryFactory with PrecisionModel set to Floating.

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Point(Double, Double, Double)

Initializes a new instance of the Point class.

Declaration
public Point(double x, double y, double z)
Parameters
Type Name Description
Double x

The x coordinate.
Double y

The y coordinate.
Double z

The z coordinate.
Remarks

For create this Geometry is used a standard GeometryFactory with PrecisionModel set to Floating.

Fields

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Empty

Represents an empty Point.

Declaration
public static readonly Point Empty
Field Value
Type Description
Point

Properties

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Boundary

Gets the boundary of this geometry. Zero-dimensional geometries have no boundary by definition, so an empty GeometryCollection is returned.

Declaration
public override Geometry Boundary { get; }
Property Value
Type Description
Geometry
Overrides
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BoundaryDimension

Declaration
public override Dimension BoundaryDimension { get; }
Property Value
Type Description
Dimension
Overrides
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Coordinate

Declaration
public override Coordinate Coordinate { get; }
Property Value
Type Description
Coordinate
Overrides
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Coordinates

Declaration
public override Coordinate[] Coordinates { get; }
Property Value
Type Description
Coordinate[]
Overrides
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CoordinateSequence

Declaration
public CoordinateSequence CoordinateSequence { get; }
Property Value
Type Description
CoordinateSequence
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Dimension

Declaration
public override Dimension Dimension { get; }
Property Value
Type Description
Dimension
Overrides
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GeometryType

Returns the name of this object's interface.

Declaration
public override string GeometryType { get; }
Property Value
Type Description
String

"Point"
Overrides
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IsEmpty

Declaration
public override bool IsEmpty { get; }
Property Value
Type Description
Boolean
Overrides
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M

Declaration
public double M { get; set; }
Property Value
Type Description
Double
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NumPoints

Declaration
public override int NumPoints { get; }
Property Value
Type Description
Int32
Overrides
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OgcGeometryType

Gets the OGC geometry type

Declaration
public override OgcGeometryType OgcGeometryType { get; }
Property Value
Type Description
OgcGeometryType
Overrides
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SortIndex

Gets a value to sort the geometry

Declaration
protected override Geometry.SortIndexValue SortIndex { get; }
Property Value
Type Description
Geometry.SortIndexValue
Overrides
Remarks

NOTE:
For JTS v1.17 this property's getter has been renamed to getTypeCode(). In order not to break binary compatibility we did not follow.

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X

Declaration
public double X { get; set; }
Property Value
Type Description
Double
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Y

Declaration
public double Y { get; set; }
Property Value
Type Description
Double
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Z

Declaration
public double Z { get; set; }
Property Value
Type Description
Double

Methods

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Apply(ICoordinateFilter)

Declaration
public override void Apply(ICoordinateFilter filter)
Parameters
Type Name Description
ICoordinateFilter filter
Overrides
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Apply(ICoordinateSequenceFilter)

Declaration
public override void Apply(ICoordinateSequenceFilter filter)
Parameters
Type Name Description
ICoordinateSequenceFilter filter
Overrides
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Apply(IEntireCoordinateSequenceFilter)

Declaration
public override void Apply(IEntireCoordinateSequenceFilter filter)
Parameters
Type Name Description
IEntireCoordinateSequenceFilter filter
Overrides
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Apply(IGeometryComponentFilter)

Declaration
public override void Apply(IGeometryComponentFilter filter)
Parameters
Type Name Description
IGeometryComponentFilter filter
Overrides
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Apply(IGeometryFilter)

Declaration
public override void Apply(IGeometryFilter filter)
Parameters
Type Name Description
IGeometryFilter filter
Overrides
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CompareToSameClass(Object)

Declaration
protected override int CompareToSameClass(object other)
Parameters
Type Name Description
Object other
Returns
Type Description
Int32
Overrides
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CompareToSameClass(Object, IComparer<CoordinateSequence>)

Declaration
protected override int CompareToSameClass(object other, IComparer<CoordinateSequence> comparer)
Parameters
Type Name Description
Object other
IComparer<CoordinateSequence> comparer
Returns
Type Description
Int32
Overrides
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ComputeEnvelopeInternal()

Declaration
protected override Envelope ComputeEnvelopeInternal()
Returns
Type Description
Envelope
Overrides
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CopyInternal()

Declaration
protected override Geometry CopyInternal()
Returns
Type Description
Geometry
Overrides
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EqualsExact(Geometry, Double)

Declaration
public override bool EqualsExact(Geometry other, double tolerance)
Parameters
Type Name Description
Geometry other
Double tolerance
Returns
Type Description
Boolean
Overrides
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GetOrdinates(Ordinate)

Declaration
public override double[] GetOrdinates(Ordinate ordinate)
Parameters
Type Name Description
Ordinate ordinate
Returns
Type Description
Double[]
Overrides
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Normalize()

Declaration
public override void Normalize()
Overrides
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Reverse()

Declaration
[Obsolete("Call Geometry.Reverse()")]
public override Geometry Reverse()
Returns
Type Description
Geometry
Overrides
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ReverseInternal()

The actual implementation of the Reverse() function for POINTs.

Declaration
protected override Geometry ReverseInternal()
Returns
Type Description
Geometry

A reversed geometry
Overrides

Implements