public void CanCreateElementSource()
{
// ACT
var observable = _elementSourceProvider.Get(CreateDefaultBoundingBox());
// ASSERT
Assert.IsNotNull(observable.Wait());
}
private IEnumerable <Element> GetElementById(long id)
{
var boundingBox = _tileController.CurrentTile.BoundingBox;
var elementSources = _elementSourceProvider.Get(boundingBox).ToList().Wait();
return(elementSources.SelectMany(es => es.Get(boundingBox, MapConsts.MaxZoomLevel)
.ToArray().Wait().Where(e => e.Id == id)));
}
/// <summary> Ensures that the corresponding element source is loaded. </summary>
private void EnsureElementSource(Vector2d point)
{
var boundingBox = _tileController.GetTile(point).BoundingBox;
var elementSource = _elementSourceProvider.Get(boundingBox)
.SingleOrDefault(e => !e.IsReadOnly).Wait();
// create in memory element source
if (elementSource == null)
{
// NOTE use bounding box which fits whole world
var indexBuilder = new InMemoryIndexBuilder(new BoundingBox(
new GeoCoordinate(-90, -180), new GeoCoordinate(90, 180)),
IndexSettings.CreateDefault(), _objectPool, Trace);
indexBuilder.Build();
elementSource = new ElementSource(indexBuilder)
{
IsReadOnly = false
};
_elementSourceProvider.Add(elementSource);
}
CommitIfNecessary(elementSource);
_currentElementSource = elementSource;
_elementSourceEditor.ElementSource = _currentElementSource;
}
private ElementSource GetElementSource(BoundingBox bbox)
{
var elementSource = _elementSourceProvider.Get(bbox).Wait() as ElementSource;
if (elementSource == null)
{
throw new NotSupportedException(Strings.SearchNotSupported);
}
return(elementSource);
}
/// <inheritdoc />
public IObservable <Unit> Load(Tile tile)
{
var boundingBox = tile.BoundingBox;
var zoomLevel = ZoomHelper.GetZoomLevel(tile.RenderMode);
var filterElementVisitor = new CompositeElementVisitor(
new NodeVisitor(tile, _modelLoader, _objectPool),
new WayVisitor(tile, _modelLoader, _objectPool),
new RelationVisitor(tile, _modelLoader, _objectPool));
_elevationProvider.SetNullPoint(tile.RelativeNullPoint);
// download elevation data if necessary
if (!_elevationProvider.HasElevation(tile.BoundingBox))
{
_elevationProvider.Download(tile.BoundingBox).Wait();
}
// prepare tile
tile.Accept(tile, _modelLoader);
var subject = new Subject <Unit>();
_elementSourceProvider
.Get(tile.BoundingBox)
.SelectMany(e => e.Get(boundingBox, zoomLevel))
.ObserveOn(Scheduler.ThreadPool)
.SubscribeOn(Scheduler.ThreadPool)
.Subscribe(element => element.Accept(filterElementVisitor),
() =>
{
tile.Canvas.Accept(tile, _modelLoader);
subject.OnCompleted();
});
return(subject);
}
