public void Faces_AssignFaces_OneLoop2_ShouldAssign2()
{
var graphs = new TiledBarrierGraph();
// 0
// / \
// 1---2
var v1 = graphs.AddVertex(
4.788075685501099,
51.26676188180721, 564341430);
var v2 = graphs.AddVertex(
4.786123037338257,
51.26496276736555, 564341431);
var v3 = graphs.AddVertex(
4.790832996368408,
51.265137311403734, 564341432);
var e1 = graphs.AddEdge(v1, v2);
var e2 = graphs.AddEdge(v3, v2);
var e3 = graphs.AddEdge(v3, v1);
graphs.SetTileLoaded(Tiles.TileStatic.WorldTileLocalId(graphs.GetVertex(v1), 14));
graphs.SetTileLoaded(Tiles.TileStatic.WorldTileLocalId(graphs.GetVertex(v2), 14));
graphs.SetTileLoaded(Tiles.TileStatic.WorldTileLocalId(graphs.GetVertex(v3), 14));
graphs.AssignFaces(Tiles.TileStatic.WorldTileLocalId(graphs.GetVertex(v1), 14));
Assert.Equal(3, graphs.FaceCount);
var enumerator = graphs.GetEnumerator();
enumerator.MoveTo(v1);
enumerator.MoveNextUntil(e1);
Assert.NotEqual(int.MaxValue, enumerator.FaceLeft);
var left = enumerator.FaceLeft;
Assert.NotEqual(int.MaxValue, enumerator.FaceRight);
var right = enumerator.FaceRight;
enumerator.MoveTo(v2);
enumerator.MoveNextUntil(e2);
Assert.False(enumerator.Forward);
Assert.Equal(left, enumerator.FaceRight);
Assert.Equal(right, enumerator.FaceLeft);
enumerator.MoveTo(v3);
enumerator.MoveNextUntil(e3);
Assert.Equal(left, enumerator.FaceLeft);
Assert.Equal(right, enumerator.FaceRight);
}
public void Faces_AssignFaces_OneEdge_ShouldAssign1()
{
var graphs = new TiledBarrierGraph();
var v1 = graphs.AddVertex(4.7522735595703125, 50.97918242660188, 564341430);
var v2 = graphs.AddVertex(4.7525310516357420, 50.97851368626033, 564341431);
var e = graphs.AddEdge(v1, v2);
var tile = Tiles.TileStatic.WorldTileLocalId(4.7522735595703125, 50.97918242660188, 14);
graphs.SetTileLoaded(tile);
graphs.AssignFaces(tile);
Assert.Equal(1, graphs.FaceCount);
}
public void Faces_AssignFaces_NoEdges_ShouldDoNothing()
{
var graphs = new TiledBarrierGraph();
graphs.AssignFaces(41525);
}
public static async Task BuildForTile(uint tile, string folder, Func <uint, IEnumerable <OsmGeo> > getTile,
Func <TagsCollectionBase, bool> isBarrier)
{
// wait until tile is removed from queue.
while (true)
{
if (_tiles.ContainsKey(tile))
{
await Task.Delay(200);
}
else
{
_tiles[tile] = tile;
break;
}
}
try
{
var file = Path.Combine(folder, $"{tile}.tile.graph.zip");
if (File.Exists(file))
{
return;
}
// load data for tile.
var graph = new TiledBarrierGraph();
graph.LoadForTile(tile, getTile, isBarrier);
// run face assignment for the tile.
var result = graph.AssignFaces(tile);
while (!result.success)
{
// extra tiles need loading.-
graph.AddTiles(result.missingTiles, getTile, isBarrier);
// try again.
result = graph.AssignFaces(tile);
}
// assign landuse.
IEnumerable <(Polygon polygon, string type)> GetLanduse(
((double longitude, double latitude)topLeft, (double longitude, double latitude)bottomRight) box)
{
return(LandusePolygons.GetLandusePolygons(box, graph.Zoom, getTile, t =>
{
if (DefaultMergeFactorCalculator.Landuses.TryCalculateValue(t, out var type))
{
return type;
}
return null;
}));
}
graph.AssignLanduse(tile, GetLanduse);
await using var stream = File.Open(file, FileMode.Create);
await using var compressedStream = new GZipStream(stream, CompressionLevel.Fastest);
graph.WriteTileTo(compressedStream, tile);
}
finally
{
_tiles.Remove(tile, out _);
}
}
