main/src/georegression/metric/Intersection2D_F64.java
public static double intersection( Polygon2D_F64 a , Polygon2D_F64 b ) {
		AreaIntersectionPolygon2D_F64 alg = new AreaIntersectionPolygon2D_F64();
		return Math.abs(alg.computeArea(a,b));
	}
public static double intersection( Polygon2D_F64 a , Polygon2D_F64 b ) {
		AreaIntersectionPolygon2D_F64 alg = new AreaIntersectionPolygon2D_F64();
		return Math.abs(alg.computeArea(a,b));
	}
Finds the area of the intersection of two polygons.

@see AreaIntersectionPolygon2D_F64

@param a (Input) Polygon 2D
@param b (Input) Polygon 2D
@return Area of intersection.