@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());
}
private static Feature addFeature(Geometry g) {
Feature f = new Feature();
f.setName(Integer.toString(++id));
/*
String type = g.getClass().getName();
int ind = type.lastIndexOf('.');
if (ind > 0) type = type.substring(ind + 1);
*/
f.setDescription(g.toString());
f.setGeometry(g);
return f;
}
/**
* Create array of features with all possible MultiGeometry geometries: MultiPoint, MultiLine,
* MultiLinearRings, MultiPolygons, GeometryBag
*
* @return
*/
protected static List<Feature> getMultiGeometries() {
List<Feature> feats = new ArrayList<Feature>();
List<Line> lines = new ArrayList<Line>();
List<Point> pts = new ArrayList<Point>(10);
for (int i = 0; i < 10; i++) {
pts.add(new Point(i * .01, i * .01));
}
Geometry g = new MultiPoint(pts);
feats.add(addFeature(g)); // MultiPoint
Geodetic2DPoint center = g.getCenter();
GeometryBag bag = new GeometryBag();
bag.add(new Point(center));
bag.addAll(pts);
feats.add(addFeature(bag)); // GeometryBag with all points
Line line = new Line(pts);
line.setTessellate(true);
lines.add(line);
pts = new ArrayList<Point>(10);
for (int i = 0; i < 10; i++) {
pts.add(new Point(i * .01 + 0.1, i * .01 + 0.1));
}
line = new Line(pts);
line.setTessellate(true);
lines.add(line);
g = new MultiLine(lines);
feats.add(addFeature(g)); // MultiLine
List<LinearRing> rings = new ArrayList<LinearRing>(5);
pts = new ArrayList<Point>();
pts.add(new Point(.10, .20));
pts.add(new Point(.10, .10));
pts.add(new Point(.20, .10));
pts.add(new Point(.20, .20));
pts.add(pts.get(0)); // add first as last
LinearRing ring = new LinearRing(pts);
rings.add(ring);
List<Point> pts2 = new ArrayList<Point>(5);
pts2.add(new Point(.05, .25));
pts2.add(new Point(.05, .05));
pts2.add(new Point(.25, .05));
pts2.add(new Point(.25, .25));
pts2.add(pts2.get(0)); // add first as last
rings.add(new LinearRing(pts2));
g = new MultiLinearRings(rings);
feats.add(addFeature(g)); // MultiLinearRings w/2 rings
pts = new ArrayList<Point>(5);
pts.add(new Point(.10, .10));
pts.add(new Point(.10, -.10));
pts.add(new Point(-.10, -.10));
pts.add(new Point(-.10, .10));
pts.add(pts.get(0)); // add first as last
LinearRing outer = new LinearRing(pts);
pts = new ArrayList<Point>(5);
pts.add(new Point(.05, .05));
pts.add(new Point(.05, -.05));
pts.add(new Point(-.05, -.05));
pts.add(new Point(-.05, .05));
pts.add(pts.get(0)); // add first as last
List<LinearRing> innerRings = Collections.singletonList(new LinearRing(pts));
Polygon p = new Polygon(outer, innerRings);
g = new MultiPolygons(Arrays.asList(new Polygon(ring), p));
feats.add(addFeature(g)); // MultiPolygons with 2 polygons
Circle circle = new Circle(pts.get(0).getCenter(), 50);
g = new GeometryBag(Arrays.asList((Geometry) pts.get(0), circle));
feats.add(addFeature(g)); // GeometryBag with point and Circle
return feats;
}