Class DPoint3

    • Field Detail

      • ZERO_VECTOR

        public static final DPoint3 ZERO_VECTOR
      • x

        public transient double x
        The x coordinate.
      • y

        public transient double y
        The y coordinate.
      • z

        public transient double z
        The z coordinate.
    • Constructor Detail

      • DPoint3

        public DPoint3()
        Construct a zero point.
      • DPoint3

        public DPoint3​(DPoint3 p)
        Copy constructor.
        Parameters:
        p - the point to copy
      • DPoint3

        public DPoint3​(double x,
                       double y,
                       double z)
        Construct a point from the specified coordinates.
        Parameters:
        x - the x coordinate
        y - the y coordinate
        z - the z coordinate
    • Method Detail

      • set

        public void set​(DPoint3 p)
        Set coordinates.
        Parameters:
        p - point object containing the new coordinates
        Since:
        Marvin 3.5, 11/04/2004
      • equals

        public boolean equals​(Object o)
        Two points equal if their coordinates equal.
        Overrides:
        equals in class Object
        Parameters:
        o - the other point
        Returns:
        true if the coordinates equal, false otherwise
      • hashCode

        public int hashCode()
        Overrides:
        hashCode in class Object
      • distance

        public final double distance​(DPoint3 p)
        Calculates the distance between two points.
        Parameters:
        p - the other point
        Returns:
        the distance
      • lengthSquare

        public double lengthSquare()
        Calculates the square of the length of the vector defining the point.
        Returns:
        the square of the length
        Since:
        Marvin 6.2
      • distance2D

        public final double distance2D​(DPoint3 p)
        Calculates the distance between two points in the XY plane.
        Parameters:
        p - the other point
        Returns:
        the distance
        Since:
        Marvin 4.1, 04/28/2006
      • angle2D

        public final double angle2D​(double x2,
                                    double y2)
        Calculates the absolute angle in the XY plane of the vector pointing from this point to the other point. In other words, takes the difference between this vector and the vector pointing from the origin to the other point and returns the angle of the resultant vector's projection onto the XY plane.
        Parameters:
        x2 - the other point's x coordinate
        y2 - the other point's y coordinate
        Returns:
        the angle (from -pi to pi)
        Since:
        Marvin 3.0
      • clone

        public DPoint3 clone()
        Make an identical copy.
        Overrides:
        clone in class Object
        Returns:
        the clone
      • toString

        public String toString()
        Gets a string representation of the point
        Overrides:
        toString in class Object
        Returns:
        the string representation
      • subtract

        public void subtract​(DPoint3 v2)
        Subtract the given v2 vector from this one.
        Parameters:
        v2 -
        Since:
        Marvin 6.2
      • angle3D

        public double angle3D​(DPoint3 p)
        Calculate the angle of two vectors (this and p) in the range 0.0 through pi.
        Parameters:
        p -
        Returns:
        angle of two vectors (this and p) in the range 0.0 through pi
        Since:
        Marvin 6.2
      • scalar

        public static double scalar​(DPoint3 v1,
                                    DPoint3 v2)
        Calculates the scalar product of the two vectors
        Parameters:
        v1 -
        v2 -
        Returns:
        the scalar product
        Since:
        Marvin 6.2
      • cross

        public static DPoint3 cross​(DPoint3 v1,
                                    DPoint3 v2)
        Calculates the cross product of the two vectors
        Parameters:
        v1 -
        v2 -
        Returns:
        the cross product
        Since:
        Marvin 6.2
      • add

        public static DPoint3 add​(DPoint3 v1,
                                  DPoint3 v2)
        Calculates the sum of the two vectors
        Parameters:
        v1 -
        v2 -
        Returns:
        the sum
        Since:
        Marvin 6.2
      • subtract

        public static DPoint3 subtract​(DPoint3 v1,
                                       DPoint3 v2)
        Calculates the difference of the two vectors
        Parameters:
        v1 -
        v2 -
        Returns:
        v1 - v2
        Since:
        Marvin 6.2
      • isCollinear

        public static boolean isCollinear​(DPoint3 a,
                                          DPoint3 b,
                                          DPoint3 c)
        Checks whether three 3D points can be connected with a line.
        Parameters:
        a -
        b -
        c -
        Returns:
        true if points are on the same line
        Since:
        Marvin 6.2
      • add

        public void add​(DPoint3 v1)
        Add the given point to this one.
        Parameters:
        v1 -
      • scale

        public void scale​(double scaleFactor)
        Scales the vector with the given factor.
        Parameters:
        scaleFactor - the scale factor
      • toPoint2D

        public Point2D toPoint2D()
      • roundTo

        public void roundTo​(int decimals)
        Rounds the represented value to the given decimal precision.
        Parameters:
        decimals - how many deciamls should be left