Class VectorMath

Functions for performing vector mathematics.

Inheritance

object

VectorMath

Inherited Members

object.Equals(object)

object.Equals(object, object)

object.GetHashCode()

object.GetType()

object.MemberwiseClone()

object.ReferenceEquals(object, object)

object.ToString()

Namespace: NetTopologySuite.Mathematics

Assembly: NetTopologySuite.dll

Syntax

public static class VectorMath

Methods

CrossProduct(Coordinate, Coordinate)

Computes the cross product of v1 and v2

Declaration

public static Coordinate CrossProduct(Coordinate v1, Coordinate v2)

Parameters

Type	Name	Description
Coordinate	v1	A vector
Coordinate	v2	A vector

Returns

Type	Description
Coordinate	The cross product of v1 and v2

Det(double, double, double, double)

Computes the determinant of a 2x2 matrix

Declaration

public static double Det(double a1, double a2, double b1, double b2)

Parameters

Type	Name	Description
double	a1	The m[0,0] value
double	a2	The m[0,1] value
double	b1	The m[1,0] value
double	b2	The m[1,1] value

Returns

Type	Description
double	The determinant

DotProduct(Coordinate, Coordinate)

Computes the dot product of v1 and v2

Declaration

public static double DotProduct(Coordinate v1, Coordinate v2)

Parameters

Type	Name	Description
Coordinate	v1	A vector
Coordinate	v2	A vector

Returns

Type	Description
double	The dot product of v1 and v2

NormalToTriangle(Coordinate, Coordinate, Coordinate)

Computes the normal vector to the triangle p0-p1-p2. In order to compute the normal each triangle coordinate must have a Z value. If this is not the case, the returned Coordinate will have NaN values. The returned vector has unit length.

Declaration

public static Coordinate NormalToTriangle(Coordinate p0, Coordinate p1, Coordinate p2)

Parameters

Type	Name	Description
Coordinate	p0	A point
Coordinate	p1	A point
Coordinate	p2	A point

Returns

Type	Description
Coordinate	The normal vector to the triangle p0-p1-p2

Normalize(Coordinate)

Normalizes the vector v

Declaration

public static void Normalize(Coordinate v)

Parameters

Type	Name	Description
Coordinate	v	The normalized v