internal static void LoadForTile(this TiledBarrierGraph graph, uint tile,
Func <uint, IEnumerable <OsmGeo> > getTile,
Func <TagsCollectionBase, bool> isBarrier)
{
// mark tile as loaded.
graph.SetTileLoaded(tile);
// first load the tile in question.
var tileData = getTile(tile);
var extraTiles = graph.Add(tileData, isBarrier);
// add all the tiles.
graph.AddTiles(extraTiles, getTile, isBarrier);
}
internal static void AddTiles(this TiledBarrierGraph graph, IEnumerable <uint> tiles,
Func <uint, IEnumerable <OsmGeo> > getTile,
Func <TagsCollectionBase, bool> isBarrier)
{
foreach (var tile in tiles)
{
// mark tile as loaded.
graph.SetTileLoaded(tile);
// get the data and load it.
var tileData = getTile(tile);
graph.Add(tileData, isBarrier);
}
// prune graph.
graph.PruneDeadEnds();
graph.PruneShapePoints();
// standardize edges
// loading them in a different order could lead to different start and end points
graph.StandardizeEdges();
}
