Examples with BufferedLineString org.locationtech.spatial4j.shape.impl.BufferedLineString used on opensource projects

Example 1 with BufferedLineString

use of org.locationtech.spatial4j.shape.impl.BufferedLineString in project janusgraph by JanusGraph.

the class GeoshapeHelper method getPoint.

@SuppressWarnings("unchecked")
public Geoshape.Point getPoint(Geoshape geoshape, int position) {
    final Shape shape = geoshape.getShape();
    final Point p;
    if (position < 0 || position >= size(shape))
        throw new ArrayIndexOutOfBoundsException("Invalid position: " + position);
    switch(getType(shape)) {
        case POINT:
        case CIRCLE:
            return geoshape.getPoint();
        case BOX:
            if (position == 0)
                return new Geoshape.Point(shape.getBoundingBox().getMinY(), shape.getBoundingBox().getMinX());
            else
                return new Geoshape.Point(shape.getBoundingBox().getMaxY(), shape.getBoundingBox().getMaxX());
        case LINE:
            p = ((BufferedLineString) shape).getPoints().get(position);
            break;
        case MULTIPOINT:
            p = ((ShapeCollection<Point>) shape).getShapes().get(position);
            break;
        case MULTILINESTRING:
            p = ((ShapeCollection<BufferedLineString>) shape).getShapes().stream().flatMap(line -> line.getPoints().stream()).skip(position).findFirst().orElse(null);
            break;
        case GEOMETRYCOLLECTION:
            return ((ShapeCollection<Shape>) shape).getShapes().stream().flatMap(internShape -> IntStream.range(0, size(internShape)).mapToObj(i -> new AbstractMap.SimpleImmutableEntry<>(internShape, i))).skip(position).findFirst().map(entry -> getPoint(new Geoshape(entry.getKey()), entry.getValue())).orElse(null);
        default:
            throw new IllegalStateException("getPoint(int) not supported for type: " + getType(shape));
    }
    if (p == null)
        throw new ArrayIndexOutOfBoundsException("Invalid position: " + position);
    return new Geoshape.Point(p.getY(), p.getX());
}