Module vecmath
Package javax.vecmath

Class Point3d

All Implemented Interfaces:
Serializable, Cloneable
Direct Known Subclasses:
WeightedPoint3d

public class Point3d extends Tuple3d implements Serializable
A 3 element point that is represented by double precision floating point x,y,z coordinates.
Version:
specification 1.1, implementation $Revision: 1.8 $, $Date: 1999/10/05 07:03:50 $
Author:
Kenji hiranabe
See Also:
  • Constructor Details

    • Point3d

      public Point3d(double x, double y, double z)
      Constructs and initializes a Point3d from the specified xyz coordinates.
      Parameters:
      x - the x coordinate
      y - the y coordinate
      z - the z coordinate
    • Point3d

      public Point3d(double[] p)
      Constructs and initializes a Point3d from the specified array.
      Parameters:
      p - the array of length 3 containing xyz in order
    • Point3d

      public Point3d(Point3d p1)
      Constructs and initializes a Point3d from the specified Point3d.
      Parameters:
      p1 - the Point3d containing the initialization x y z data
    • Point3d

      public Point3d(Point3f p1)
      Constructs and initializes a Point3d from the specified Point3f.
      Parameters:
      p1 - the Point3d containing the initialization x y z data
    • Point3d

      public Point3d(Tuple3d t1)
      Constructs and initializes a Point3d from the specified Tuple3d.
      Parameters:
      t1 - the Tuple3d containing the initialization x y z data
    • Point3d

      public Point3d(Tuple3f t1)
      Constructs and initializes a Point3d from the specified Tuple3f.
      Parameters:
      t1 - the Tuple3f containing the initialization x y z data
    • Point3d

      public Point3d()
      Constructs and initializes a Point3d to (0,0,0).
  • Method Details

    • distanceSquared

      public final double distanceSquared(Point3d p1)
      Computes the square of the distance between this point and point p1.
      Parameters:
      p1 - the other point
      Returns:
      the square of distance between these two points as a float
    • distance

      public final double distance(Point3d p1)
      Returns the distance between this point and point p1.
      Parameters:
      p1 - the other point
      Returns:
      the distance between these two points as a float
    • distanceL1

      public final double distanceL1(Point3d p1)
      Computes the L-1 (Manhattan) distance between this point and point p1. The L-1 distance is equal to abs(x1-x2) + abs(y1-y2).
      Parameters:
      p1 - the other point
    • distanceLinf

      public final double distanceLinf(Point3d p1)
      Computes the L-infinite distance between this point and point p1. The L-infinite distance is equal to MAX[abs(x1-x2), abs(y1-y2)].
      Parameters:
      p1 - the other point
    • project

      public final void project(Point4d p1)
      Multiplies each of the x,y,z components of the Point4f parameter by 1/w and places the projected values into this point.
      Parameters:
      p1 - the source Point4d, which is not modified
    • clone

      public Object clone()
      Specified by:
      clone in class Tuple3d