Package edu.uci.ics.jung.algorithms.layout

Class PolarPoint

java.lang.Object
edu.uci.ics.jung.algorithms.layout.PolarPoint
public class PolarPoint extends Object
Represents a point in polar coordinates: distance and angle from the origin. Includes conversions between polar and Cartesian coordinates (Point2D).
Author:
Tom Nelson - tomnelson@dev.java.net

  • Constructor Details

    • PolarPoint

      public PolarPoint()
      Creates a new instance with radius and angle each 0.

    • PolarPoint

      public PolarPoint(double theta, double radius)
      Creates a new instance with the specified radius and angle.
      Parameters:
      theta - the angle of the point to create
      radius - the distance from the origin of the point to create

  • Method Details

    • getTheta

      public double getTheta()
      Returns:
      the angle for this point

    • getRadius

      public double getRadius()
      Returns:
      the radius for this point

    • setTheta

      public void setTheta(double theta)

    • setRadius

      public void setRadius(double radius)

    • polarToCartesian

      public static Point2D polarToCartesian(PolarPoint polar)
      Parameters:
      polar - the input location to convert
      Returns:
      the result of converting polar to Cartesian coordinates.

    • polarToCartesian

      public static Point2D polarToCartesian(double theta, double radius)
      Parameters:
      theta - the angle of the input location
      radius - the distance from the origin of the input location
      Returns:
      the result of converting (theta, radius) to Cartesian coordinates.

    • cartesianToPolar

      public static PolarPoint cartesianToPolar(Point2D point)
      Parameters:
      point - the input location
      Returns:
      the result of converting point to polar coordinates.

    • cartesianToPolar

      public static PolarPoint cartesianToPolar(double x, double y)
      Parameters:
      x - the x coordinate of the input location
      y - the y coordinate of the input location
      Returns:
      the result of converting (x, y) to polar coordinates.

    • toString

      public String toString()
      Overrides:
      toString in class Object

    • setLocation

      public void setLocation(PolarPoint p)
      Sets the angle and radius of this point to those of p.
      Parameters:
      p - the point whose location is copied into this instance