UtilVector2D_F64

java.lang.Object

georegression.geometry.UtilVector2D_F64

public class UtilVector2D_F64 extends Object

Constructor Summary

Constructors

Constructor

Description

UtilVector2D_F64()
Method Summary

Modifier and Type

Method

Description

static double

acute(double ax, double ay, double bx, double by)

static double

acute(Vector2D_F64 a, Vector2D_F64 b)

Returns the acute angle between the two vectors.

static boolean

identicalSign(double xa, double ya, double xb, double yb, double tol)

Tests to see if the two vectors are identical up to a sign difference

static Vector2D_F64

minus(Point2D_F64 a, Point2D_F64 b, @Nullable Vector2D_F64 output)

Sets the vector equal to 'a' - 'b'.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details
- UtilVector2D_F64
  
  public UtilVector2D_F64()
Method Details
- acute
  
  public static double acute(Vector2D_F64 a, Vector2D_F64 b)
  
  Returns the acute angle between the two vectors. Computed using the dot product.
  
  Parameters:
  
  a - vector
  
  b - vector
  
  Returns:
  
  acute angle
- acute
  
  public static double acute(double ax, double ay, double bx, double by)
- minus
  
  public static Vector2D_F64 minus(Point2D_F64 a, Point2D_F64 b, @Nullable @Nullable Vector2D_F64 output)
  
  Sets the vector equal to 'a' - 'b'.
  
  Parameters:
  
  a - point
  
  b - point
  
  output - (output) optional storage for vector.
  
  Returns:
  
  Solution
- identicalSign
  
  public static boolean identicalSign(double xa, double ya, double xb, double yb, double tol)
  
  Tests to see if the two vectors are identical up to a sign difference
  
  Parameters:
  
  xa - x-component of vector 'a'
  
  ya - y-component of vector 'a'
  
  xb - x-component of vector 'b'
  
  yb - y-component of vector 'b'
  
  tol - Tolerance in Euclidan distance
  
  Returns:
  
  true if identical to within tolerance and a sign ambiguity