@Override public void init() { super.init(); LinearRing shell = geomFactory.createLinearRing( new Coordinate[] { new Coordinate(0.01, 3.2), new Coordinate(3.33, 3.33), new Coordinate(0.01, -3.2), new Coordinate(-3.33, -3.2), new Coordinate(0.01, 3.2) }); LinearRing[] holes = new LinearRing[2]; LinearRing hole1 = geomFactory.createLinearRing( new Coordinate[] { new Coordinate(0, 1), new Coordinate(1, 1), new Coordinate(0, -1), new Coordinate(-1, -1), new Coordinate(0, 1) }); LinearRing hole2 = geomFactory.createLinearRing( new Coordinate[] { new Coordinate(0, 2), new Coordinate(2, 2), new Coordinate(0, -2), new Coordinate(-2, -2), new Coordinate(0, 2) }); holes[0] = hole1; holes[1] = hole2; Polygon polygon1 = geomFactory.createPolygon(shell, holes); shell = geomFactory.createLinearRing( new Coordinate[] { new Coordinate(6.01, 9.2), new Coordinate(9.33, 9.33), new Coordinate(6.01, -9.2), new Coordinate(-9.33, -9.2), new Coordinate(6.01, 9.2) }); holes = new LinearRing[2]; hole1 = geomFactory.createLinearRing( new Coordinate[] { new Coordinate(2, 3), new Coordinate(3, 3), new Coordinate(2, -3), new Coordinate(-3, -3), new Coordinate(2, 3) }); hole2 = geomFactory.createLinearRing( new Coordinate[] { new Coordinate(2, 4), new Coordinate(4, 4), new Coordinate(2, -4), new Coordinate(-4, -4), new Coordinate(2, 4) }); holes[0] = hole1; holes[1] = hole2; Polygon polygon2 = geomFactory.createPolygon(shell, holes); Polygon[] polygons = new Polygon[] {polygon1, polygon2}; reference = geomFactory.createMultiPolygon(polygons); }