Package javax.vecmath

Class Point3d

  • All Implemented Interfaces:
    java.io.Serializable, java.lang.Cloneable

    public class Point3d
    extends Tuple3d
    implements java.io.Serializable
    A 3 element point that is represented by double precision floating point x,y,z coordinates.
    See Also:
    Serialized Form
    • Constructor Detail

      • 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 array of length 3.
        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 Point3f 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​(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()
        Constructs and initializes a Point3d to (0,0,0).
    • Method Detail

      • distanceSquared

        public final double distanceSquared​(Point3d p1)
        Returns the square of the distance between this point and point p1.
        Parameters:
        p1 - the other point
        Returns:
        the square of the distance
      • distance

        public final double distance​(Point3d p1)
        Returns the distance between this point and point p1.
        Parameters:
        p1 - the other point
        Returns:
        the distance
      • 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) + abs(z1-z2).
        Parameters:
        p1 - the other point
        Returns:
        the L-1 distance
      • 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), abs(z1-z2)].
        Parameters:
        p1 - the other point
        Returns:
        the L-infinite distance
      • project

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