/// <summary>
/// Fills the scene with objects from the given datasource that existing inside the given boundingbox with the given projection.
/// </summary>
/// <param name="dataSource"></param>
/// <param name="box"></param>
/// <param name="projection"></param>
public void FillScene(IDataSourceReadOnly dataSource, GeoCoordinateBox box, IProjection projection)
{
foreach (var osmGeo in dataSource.Get(box, null))
{ // translate each object into scene object.
LongIndex index = null;
switch (osmGeo.Type)
{
case Osm.OsmGeoType.Node:
index = _interpretedNodes;
break;
case Osm.OsmGeoType.Way:
index = _interpretedWays;
break;
case Osm.OsmGeoType.Relation:
index = _interpretedRelations;
break;
}
if (!index.Contains(osmGeo.Id.Value))
{ // object was not yet interpreted.
index.Add(osmGeo.Id.Value);
_interpreter.Translate(_scene, projection, dataSource, osmGeo);
}
}
}
/// <summary>
/// Tests a few boundingbox queries.
/// </summary>
protected void TestBoundingBoxQueries()
{
this.NotifyEmptyExpected(); // empty test database.
// create the target and pull the data from the test-file into the sqlite database.
OsmStreamTarget target = this.CreateDataStreamTarget();
PBFOsmStreamSource source = new PBFOsmStreamSource(
Assembly.GetExecutingAssembly().GetManifestResourceStream("OsmSharp.Data.Test.Unittests.Data.Osm.test.osm.pbf"));
target.RegisterSource(source);
target.Pull();
IDataSourceReadOnly dataSource = this.CreateDataSource();
MemoryDataSource memorySource = MemoryDataSource.CreateFrom(source);
// get reference data and compare to the real thing!
GeoCoordinateBox box = memorySource.BoundingBox;
IList <OsmGeo> referenceBoxData = memorySource.Get(box, null);
IList <OsmGeo> boxData = dataSource.Get(box, null);
this.CompareResults(referenceBoxData, boxData);
// increase box size and compare again.
box = memorySource.BoundingBox.Resize(0.1);
referenceBoxData = memorySource.Get(box, null);
boxData = dataSource.Get(box, null);
this.CompareResults(referenceBoxData, boxData);
// descrese box size and compare again.
box = memorySource.BoundingBox.Scale(0.5);
referenceBoxData = memorySource.Get(box, null);
boxData = dataSource.Get(box, null);
this.CompareResults(referenceBoxData, boxData);
// descrese box size and compare again.
box = memorySource.BoundingBox.Scale(0.25);
referenceBoxData = memorySource.Get(box, null);
boxData = dataSource.Get(box, null);
this.CompareResults(referenceBoxData, boxData);
// descrese box size and compare again.
box = memorySource.BoundingBox.Scale(0.1);
referenceBoxData = memorySource.Get(box, null);
boxData = dataSource.Get(box, null);
this.CompareResults(referenceBoxData, boxData);
}
/// <summary>
/// Returns all data in the given bounding box.
/// </summary>
/// <param name="box"></param>
/// <param name="filter"></param>
/// <returns></returns>
public override IList <OsmGeo> Get(GeoCoordinateBox box, Filter filter)
{
IList <OsmGeo> objects = _source.Get(box, filter);
foreach (OsmGeo osmGeo in objects)
{
switch (osmGeo.Type)
{
case OsmGeoType.Node:
_nodesCache.Add(osmGeo.Id.Value, osmGeo as Node);
break;
case OsmGeoType.Way:
_waysCache.Add(osmGeo.Id.Value, osmGeo as Way);
break;
case OsmGeoType.Relation:
_relationsCache.Add(osmGeo.Id.Value, osmGeo as Relation);
break;
}
}
return(objects);
}
/// <summary>
/// Fills the scene with objects from the given datasource that existing inside the given boundingbox with the given projection.
/// </summary>
/// <param name="dataSource"></param>
/// <param name="box"></param>
/// <param name="projection"></param>
public void FillScene(IDataSourceReadOnly dataSource, GeoCoordinateBox box, IProjection projection)
{
IList<Osm.OsmGeo> osmGeos = dataSource.Get(box, null);
foreach (var osmGeo in osmGeos)
{ // translate each object into scene object.
LongIndex index = null;
switch (osmGeo.Type)
{
case Osm.OsmGeoType.Node:
index = _interpretedNodes;
break;
case Osm.OsmGeoType.Way:
index = _interpretedWays;
break;
case Osm.OsmGeoType.Relation:
index = _interpretedRelations;
break;
}
if (!index.Contains(osmGeo.Id.Value))
{ // object was not yet interpreted.
index.Add(osmGeo.Id.Value);
_interpreter.Translate(_scene, projection, dataSource, osmGeo);
}
}
}
/// <summary>
/// Returns all data in this source for the given bounding box.
/// </summary>
/// <param name="box"></param>
/// <returns></returns>
public DataProcessorSource Get(GeoCoordinateBox box)
{
return(new OsmGeoListDataProcessorSource(
_dataSourceReadOnly.Get(box, null)));
}