Struct Quadrant

Quadrant values

Inherited Members
Namespace: NetTopologySuite.Geometries
Assembly: NetTopologySuite.dll
Syntax
public readonly struct Quadrant
Remarks

The quadants are numbered as follows:

1 - NW | 0 - NE 
-------+------- 
2 - SW | 3 - SE

Constructors

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Quadrant(Coordinate, Coordinate)

Returns the quadrant of a directed line segment from p0 to p1.

Declaration
public Quadrant(Coordinate p0, Coordinate p1)
Parameters
Type Name Description
Coordinate p0
Coordinate p1
Exceptions
Type Condition
ArgumentException

if the points are equal
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Quadrant(double, double)

Creates a quadrant of a directed line segment (specified as x and y displacements, which cannot both be 0).

Declaration
public Quadrant(double dx, double dy)
Parameters
Type Name Description
double dx
double dy
Exceptions
Type Condition
ArgumentException

If the displacements are both 0
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Quadrant(int)

Creates a quadrant with t

Declaration
public Quadrant(int value)
Parameters
Type Name Description
int value

Properties

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IsNorthern

Returns true if the given quadrant is 0 or 1.

Declaration
public bool IsNorthern { get; }
Property Value
Type Description
bool
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NE

North-East

Declaration
public static Quadrant NE { get; }
Property Value
Type Description
Quadrant
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NW

North-West

Declaration
public static Quadrant NW { get; }
Property Value
Type Description
Quadrant
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SE

South-East

Declaration
public static Quadrant SE { get; }
Property Value
Type Description
Quadrant
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SW

South-West

Declaration
public static Quadrant SW { get; }
Property Value
Type Description
Quadrant
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Undefined

Undefined

Declaration
public static Quadrant Undefined { get; }
Property Value
Type Description
Quadrant

Methods

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CommonHalfPlane(Quadrant, Quadrant)

Returns the right-hand quadrant of the halfplane defined by the two quadrants, or -1 if the quadrants are opposite, or the quadrant if they are identical.

Declaration
public static Quadrant CommonHalfPlane(Quadrant quad1, Quadrant quad2)
Parameters
Type Name Description
Quadrant quad1
Quadrant quad2
Returns
Type Description
Quadrant
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Equals(object)

Declaration
public override bool Equals(object obj)
Parameters
Type Name Description
object obj
Returns
Type Description
bool
Overrides
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GetHashCode()

Declaration
public override int GetHashCode()
Returns
Type Description
int
Overrides
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IsInHalfPlane(Quadrant)

Returns whether this quadrant lies within the given halfplane (specified by its right-hand quadrant).

Declaration
public bool IsInHalfPlane(Quadrant halfPlane)
Parameters
Type Name Description
Quadrant halfPlane
Returns
Type Description
bool
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IsOpposite(Quadrant)

Returns true if the quadrants are 1 and 3, or 2 and 4.

Declaration
public bool IsOpposite(Quadrant quad)
Parameters
Type Name Description
Quadrant quad

A quadrant
Returns
Type Description
bool
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ToString()

Declaration
public override string ToString()
Returns
Type Description
string
Overrides

Operators

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operator ==(Quadrant, Quadrant)

Equality operator for quadrants

Declaration
public static bool operator ==(Quadrant lhs, Quadrant rhs)
Parameters
Type Name Description
Quadrant lhs

Quadrant value on the left-hand-side
Quadrant rhs

Quadrant value on the right-hand-side
Returns
Type Description
bool

true if quadrant value of lhs and rhs are equal.
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operator >(Quadrant, Quadrant)

Greater than (>) operator for quadrants

Declaration
public static bool operator >(Quadrant lhs, Quadrant rhs)
Parameters
Type Name Description
Quadrant lhs

Quadrant value on the left-hand-side
Quadrant rhs

Quadrant value on the right-hand-side
Returns
Type Description
bool

true if quadrant value of lhs and rhs are not equal.
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operator !=(Quadrant, Quadrant)

Inequality operator for quadrants

Declaration
public static bool operator !=(Quadrant lhs, Quadrant rhs)
Parameters
Type Name Description
Quadrant lhs

Quadrant value on the left-hand-side
Quadrant rhs

Quadrant value on the right-hand-side
Returns
Type Description
bool

true if quadrant value of lhs and rhs are not equal.
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operator <(Quadrant, Quadrant)

Less than (<) operator for quadrants

Declaration
public static bool operator <(Quadrant lhs, Quadrant rhs)
Parameters
Type Name Description
Quadrant lhs

Quadrant value on the left-hand-side
Quadrant rhs

Quadrant value on the right-hand-side
Returns
Type Description
bool

true if quadrant value of lhs and rhs are not equal.