@Test public void testMultiLine() { List<Line> lines = new ArrayList<Line>(); List<Point> pts = new ArrayList<Point>(); for (int i = 0; i < 10; i++) { pts.add(new Point(i * .01 + 0.1, i * .01 + 0.1, true)); // sets 0.0 elevation } Line line = new Line(pts); line.setTessellate(false); line.setAltitudeMode(AltitudeModeEnumType.clampToGround); lines.add(line); pts = new ArrayList<Point>(); for (int i = 0; i < 10; i++) { pts.add(new Point(i * .02 + 0.2, i * .02 + 0.2, 100)); } line = new Line(pts); line.setTessellate(true); lines.add(line); Geometry geo = new MultiLine(lines); assertEquals(2, geo.getNumParts()); assertEquals(20, geo.getNumPoints()); assertTrue(geo.is3D()); Geodetic2DBounds bounds = geo.getBoundingBox(); assertTrue(bounds instanceof Geodetic3DBounds); // bounding box of MultiLine must contain bounding box for each of its lines assertTrue(bounds.contains(line.getBoundingBox())); // (0� 14' 24" E, 0� 14' 24" N) @ 0m final Geodetic2DPoint cp = geo.getCenter(); System.out.println("multiline center=" + cp); assertEquals(0.24, cp.getLatitudeAsDegrees(), EPSILON); assertEquals(0.24, cp.getLongitudeAsDegrees(), EPSILON); List<Point> points = geo.getPoints(); // all 20 points assertEquals(20, points.size()); for (int i = 0; i < 10; i++) { assertEquals(pts.get(i), points.get(i + 10)); } List<Geometry> geometries = new ArrayList<Geometry>(); geometries.add(pts.get(0)); geometries.add(line); geo = new GeometryBag(geometries); assertEquals(2, geo.getNumParts()); assertTrue(geo.is3D()); }