com.vividsolutions.jts.noding

Class SegmentPointComparator

java.lang.Object

com.vividsolutions.jts.noding.SegmentPointComparator

public class SegmentPointComparator
extends Object

Implements a robust method of comparing the relative position of two points along the same segment. The coordinates are assumed to lie "near" the segment. This means that this algorithm will only return correct results if the input coordinates have the same precision and correspond to rounded values of exact coordinates lying on the segment.

Version:

1.7

Constructor Summary

Constructors

Constructor and Description
SegmentPointComparator()

Method Summary

Methods

Modifier and Type	Method and Description
static int	compare(int octant, Coordinate p0, Coordinate p1) Compares two Coordinates for their relative position along a segment lying in the specified Octant.
static int	relativeSign(double x0, double x1)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

SegmentPointComparator

public SegmentPointComparator()

Method Detail

compare

public static int compare(int octant,
          Coordinate p0,
          Coordinate p1)

Compares two Coordinates for their relative position along a segment lying in the specified Octant.

Returns:

-1 node0 occurs first; 0 the two nodes are equal; 1 node1 occurs first

relativeSign

public static int relativeSign(double x0,
               double x1)