@Test
public void testRing() {
List<Point> pts = new ArrayList<Point>();
pts.add(new Point(0.0, 0.0));
pts.add(new Point(0.0, 1.0));
pts.add(new Point(1.0, 2.0));
pts.add(new Point(2.0, 1.0));
pts.add(new Point(1.0, 0.0));
pts.add(new Point(0.0, 0.0));
LinearRing geo = new LinearRing(pts, true);
assertEquals(1, geo.getNumParts());
assertEquals(pts.size(), geo.getNumPoints());
assertFalse(geo.is3D());
// center: (1.0' 0" E, 1.0' 0" N)
Geodetic2DPoint center = geo.getCenter();
assertEquals(1.0, center.getLatitudeAsDegrees(), EPSILON);
assertEquals(1.0, center.getLongitudeAsDegrees(), EPSILON);
geo = new LinearRing(geo.getBoundingBox());
assertEquals(1, geo.getNumParts());
assertEquals(5, geo.getNumPoints());
// center: (1.0' 0" E, 1.0' 0" N)
center = geo.getCenter();
assertEquals(1.0, center.getLatitudeAsDegrees(), EPSILON);
assertEquals(1.0, center.getLongitudeAsDegrees(), EPSILON);
}
@Test
public void testPolygon() {
List<Point> pts = new ArrayList<Point>(6);
// Outer LinearRing in Polygon must be in clockwise point order
pts.add(new Point(0.0, 0.0));
pts.add(new Point(1.0, 0.0));
pts.add(new Point(2.0, 1.0));
pts.add(new Point(1.0, 2.0));
pts.add(new Point(0.0, 1.0));
pts.add(new Point(0.0, 0.0));
final LinearRing ring = new LinearRing(pts, true);
Polygon geo = new Polygon(ring, true);
assertEquals(1, geo.getNumParts());
assertNotNull(geo.getPart(0));
assertEquals(pts.size(), geo.getNumPoints());
assertFalse(geo.is3D());
Geodetic2DPoint cp = geo.getCenter();
// center: (1.0' 0" E, 1.0' 0" N)
assertEquals(1.0, cp.getLatitudeAsDegrees(), EPSILON);
assertEquals(1.0, cp.getLongitudeAsDegrees(), EPSILON);
// create new polygon with outer and inner ring
pts = new ArrayList<Point>();
pts.add(new Point(0.2, 0.2));
pts.add(new Point(0.2, 0.8));
pts.add(new Point(0.8, 0.8));
pts.add(new Point(0.8, 0.2));
pts.add(new Point(0.2, 0.2));
LinearRing ir = new LinearRing(pts);
geo = new Polygon(ring, Collections.singletonList(ir));
assertEquals(2, geo.getNumParts());
assertEquals(ring.getNumPoints() + ir.getNumPoints(), geo.getNumPoints());
cp = geo.getCenter();
// center: (1.0' 0" E, 1.0' 0" N)
assertEquals(1.0, cp.getLatitudeAsDegrees(), EPSILON);
assertEquals(1.0, cp.getLongitudeAsDegrees(), EPSILON);
}
@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());
}
@Test
public void testGeometryBag() {
List<Geometry> geometries = new ArrayList<Geometry>();
geometries.add(new Point(2.0, 2.0));
List<Point> points = new ArrayList<Point>();
points.add(new Point(0.0, 0.0));
points.add(new Point(0.0, 1.0));
points.add(new Point(1.0, 0.0));
final Line line = new Line(points);
geometries.add(line);
GeometryBag geo = new GeometryBag(geometries);
assertEquals(2, geo.size()); // number of geometries
assertEquals(2, geo.getNumParts()); // aggregate parts of all geometries
assertNotNull(geo.getPart(0));
assertNull(geo.getPart(2));
assertEquals(1 + points.size(), geo.getNumPoints());
assertFalse(geo.is3D());
assertTrue(geo.contains(line));
assertFalse(geo.isEmpty());
// center = (1� 15' 0" E, 1� 15' 0" N)
final Geodetic2DPoint cp = geo.getCenter();
assertEquals(1.0, cp.getLatitudeAsDegrees(), EPSILON);
assertEquals(1.0, cp.getLongitudeAsDegrees(), EPSILON);
geo.clear();
assertEquals(0, geo.size());
assertEquals(0, geo.getNumParts());
assertTrue(geo.isEmpty());
assertFalse(geo.is3D());
geometries.clear();
final Point pt = new Point(30.0, 40.0, 400);
geometries.add(pt);
geo = new GeometryBag(geometries);
assertEquals(1, geo.size());
assertTrue(geo.is3D());
Object[] objs = geo.toArray();
assertTrue(objs.length == 1);
assertTrue(geo.remove(pt));
assertEquals(0, geo.size());
assertNull(geo.getBoundingBox());
}
@Test
public void testClippedAtDateLine() {
// create outline of Fiji islands which wrap international date line
List<Point> pts = new ArrayList<Point>();
final Point firstPt = new Point(-16.68226928264316, 179.900033693558);
pts.add(firstPt);
pts.add(new Point(-16.68226928264316, -180));
pts.add(new Point(-17.01144405215603, -180));
pts.add(new Point(-17.01144405215603, 179.900033693558));
pts.add(firstPt);
Line line = new Line(pts);
assertTrue(line.clippedAtDateLine());
// (179� 57' 0" E, 16� 50' 49" S)
Geodetic2DPoint cp = line.getCenter();
// System.out.println("Fctr=" + cp.getLatitudeAsDegrees() + " " + cp.getLongitudeAsDegrees());
assertEquals(-16.846856667399592, cp.getLatitudeAsDegrees(), EPSILON);
assertEquals(179.950016846779, cp.getLongitudeAsDegrees(), EPSILON);
LinearRing ring = new LinearRing(pts, true);
assertTrue(ring.clippedAtDateLine());
assertEquals(cp, ring.getCenter());
}