public class OverlayNGRobustFunctions
extends Object

All Methods Static Methods Concrete Methods
Modifier and Type	Method	Description
`static double`	`areaDelta(Geometry a, Geometry b)`	Computes the maximum area delta value resulting from identity equations over the overlay operations.
`static Geometry`	`difference(Geometry a, Geometry b)`
`static Geometry`	`differenceBA(Geometry a, Geometry b)`
`static Geometry`	`intersection(Geometry a, Geometry b)`
`static boolean`	`overlayAreaTest(Geometry a, Geometry b)`
`static Geometry`	`symDifference(Geometry a, Geometry b)`
`static Geometry`	`unaryUnion(Geometry a)`
`static Geometry`	`union(Geometry a, Geometry b)`
`static double`	`unionArea(Geometry a)`
`static double`	`unionLength(Geometry a)`

Constructor Detail
- OverlayNGRobustFunctions
```
public OverlayNGRobustFunctions()
```

public static Geometry difference(Geometry a,
                                  Geometry b)

public static Geometry differenceBA(Geometry a,
                                    Geometry b)

public static Geometry intersection(Geometry a,
                                    Geometry b)

public static Geometry union(Geometry a,
                             Geometry b)

public static Geometry symDifference(Geometry a,
                                     Geometry b)

public static Geometry unaryUnion(Geometry a)

public static double unionArea(Geometry a)

public static double unionLength(Geometry a)

public static boolean overlayAreaTest(Geometry a,
                                      Geometry b)

Class OverlayNGRobustFunctions