@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 testRegionAtPole() {
List<Point> pts = new ArrayList<Point>(5);
// 3km box that closely matches google earth lat/lon grids lines
// ctr=(65� 0' 0" E, 89� 54' 18" S) -89.905 65.0
// bbox=(60� 0' 0" E, 89� 54' 36" S) .. (70� 0' 0" E, 89� 54' 0" S)
final Point firstPt = new Point(-89.90, 70.0);
pts.add(firstPt);
pts.add(new Point(-89.90, 60.0));
pts.add(new Point(-89.91, 60.0));
pts.add(new Point(-89.91, 70.0));
pts.add(firstPt);
Line line = new Line(pts);
Geodetic2DPoint cp = line.getCenter();
// System.out.println("Fctr=" + cp + " " + cp.getLatitudeAsDegrees() + " " +
// cp.getLongitudeAsDegrees());
LinearRing ring = new LinearRing(pts, true);
assertEquals(cp, ring.getCenter());
final Geodetic2DBounds bbox = line.getBoundingBox();
assertTrue(bbox != null && bbox.contains(cp));
// System.out.println("bbox=" + bbox);
assertTrue(
bbox.getNorthLat().inDegrees()
> bbox.getSouthLat().inDegrees()); // north=-89.90 south=-89.91
assertTrue(
bbox.getWestLon().inDegrees() < bbox.getEastLon().inDegrees()); // west=60.0 east=70.0 degs
Geodetic2DBounds bounds = new Geodetic2DBounds(bbox);
bounds.grow(100); // grow 100 bbox meters larger
assertTrue(bounds.contains(bbox));
for (Point pt : pts) {
assertTrue(bounds.contains(pt.asGeodetic2DPoint()));
}
// create a bounding box from 1-km MGRS grid that intersects the region
MGRS mgrs = new MGRS(new MGRS(cp).toString(2)); // BAN0904
bounds = mgrs.getBoundingBox();
assertTrue(bounds.intersects(bbox));
assertTrue(bbox.intersects(bounds));
}
@Test
public void testAtPoles() {
// create outline of antarctica
List<Point> pts = new ArrayList<Point>(5);
final Point firstPt = new Point(-64.2378603202, -57.1573913081);
pts.add(firstPt);
pts.add(new Point(-70.2956070281, 26.0747738693));
pts.add(new Point(-66.346745474, 129.2349114494));
pts.add(new Point(-72.8459462179, -125.7310989568));
pts.add(firstPt);
Line line = new Line(pts);
Geodetic2DPoint cp = line.getCenter();
// (1� 45' 7" E, 68� 32' 31" S) -68.54190326905 1.7519062462999895
// System.out.println("Fctr=" + cp + " " + cp.getLatitudeAsDegrees() + " " +
// cp.getLongitudeAsDegrees());
Geodetic2DBounds bbox = line.getBoundingBox();
// bbox=(125� 43' 52" W, 72� 50' 45" S) .. (129� 14' 6" E, 64� 14' 16" S)
assertTrue(bbox != null && bbox.contains(cp));
// LinearRing ring = new LinearRing(pts, true); // -> Error: LinearRing cannot self-intersect
// assertEquals(cp, ring.getCenter());
}