How to use

pointOnPolygonEdge

method

in

mil.nga.sf.util.GeometryUtils

/**
 * Check if the point is on the polygon ring edge
 * 
 * @param point
 *            point
 * @param ring
 *            polygon ring
 * @return true if on the polygon edge
 * @since 1.0.5
 */
public static boolean pointOnPolygonEdge(Point point, LineString ring) {
  return pointOnPolygonEdge(point, ring, DEFAULT_EPSILON);
}

/**
 * Check if the point is on the polygon ring edge points
 * 
 * @param point
 *            point
 * @param points
 *            polygon points
 * @return true if on the polygon edge
 * @since 1.0.5
 */
public static boolean pointOnPolygonEdge(Point point, List<Point> points) {
  return pointOnPolygonEdge(point, points, DEFAULT_EPSILON);
}

/**
 * Check if the point is on the polygon edge
 * 
 * @param point
 *            point
 * @param polygon
 *            polygon
 * @return true if on the polygon edge
 * @since 1.0.5
 */
public static boolean pointOnPolygonEdge(Point point, Polygon polygon) {
  return pointOnPolygonEdge(point, polygon, DEFAULT_EPSILON);
}

/**
 * Check if the point is on the polygon ring edge
 * 
 * @param point
 *            point
 * @param ring
 *            polygon ring
 * @param epsilon
 *            epsilon line tolerance
 * @return true if on the polygon edge
 * @since 1.0.5
 */
public static boolean pointOnPolygonEdge(Point point, LineString ring,
    double epsilon) {
  return pointOnPolygonEdge(point, ring.getPoints(), epsilon);
}

/**
 * Check if the point is on the polygon edge
 * 
 * @param point
 *            point
 * @param polygon
 *            polygon
 * @param epsilon
 *            epsilon line tolerance
 * @return true if on the polygon edge
 * @since 1.0.5
 */
public static boolean pointOnPolygonEdge(Point point, Polygon polygon,
    double epsilon) {
  return polygon.numRings() > 0
      && pointOnPolygonEdge(point, polygon.getRings().get(0), epsilon);
}

contains = pointOnPolygonEdge(point, points);