/// <summary>
/// Loads a routing network created from OSM data.
/// </summary>
public static void LoadOsmData(this RouterDb db, OsmStreamSource[] sources, LoadSettings settings, params Itinero.Profiles.Vehicle[] vehicles)
{
if (!db.IsEmpty)
{
throw new ArgumentException("Can only load a new routing network into an empty router db, add multiple streams at once to load multiple files.");
}
if (vehicles == null || vehicles.Length == 0)
{
throw new ArgumentNullException("vehicles", "A least one vehicle is needed to load OSM data.");
}
if (sources == null || sources.Length == 0)
{
throw new ArgumentNullException("sources", "A least one source is needed to load OSM data.");
}
if (settings == null)
{
settings = new LoadSettings();
}
// merge sources if needed.
var source = sources[0];
for (var i = 1; i < sources.Length; i++)
{
var merger = new OsmSharp.Streams.Filters.OsmStreamFilterMerge();
merger.RegisterSource(source);
merger.RegisterSource(sources[i]);
source = merger;
}
if (sources.Length > 1 && !(source is OsmStreamFilterProgress))
{ // just one source the the callee is choosing a progress filter but assumed the default for a merged stream.
var progress = new OsmStreamFilterProgress();
progress.RegisterSource(source);
source = progress;
}
// load the data.
var target = new Streams.RouterDbStreamTarget(db,
vehicles, settings.AllCore, processRestrictions: settings.ProcessRestrictions, processors: settings.Processors,
simplifyEpsilonInMeter: settings.NetworkSimplificationEpsilon);
target.KeepNodeIds = settings.KeepNodeIds;
target.RegisterSource(source);
target.Pull();
// sort the network.
db.Sort();
// optimize the network if requested.
if (settings.NetworkSimplificationEpsilon != 0)
{
db.OptimizeNetwork(settings.NetworkSimplificationEpsilon);
}
// compress the network.
db.Network.Compress();
}
/// <summary>
/// Loads a routing network created from OSM data.
/// </summary>
public static void LoadOsmData(this RouterDb db, Stream data, LoadSettings settings, params Itinero.Profiles.Vehicle[] vehicles)
{
if (!db.IsEmpty)
{
throw new ArgumentException("Can only load a new routing network into an empty router db, add multiple streams at once to load multiple files.");
}
// load the data.
var source = new PBFOsmStreamSource(data);
var progress = new OsmSharp.Streams.Filters.OsmStreamFilterProgress();
progress.RegisterSource(source);
db.LoadOsmData(new OsmStreamSource[] { progress }, settings, vehicles);
}
/// <summary>
/// Loads a routing network created from OSM data.
/// </summary>
public static void LoadOsmData(this RouterDb db, OsmStreamSource source, LoadSettings settings, params Itinero.Profiles.Vehicle[] vehicles)
{
db.LoadOsmData(new OsmStreamSource[] { source }, settings, vehicles);
}
/// <summary>
/// Loads a routing network created from OSM data.
/// </summary>
public static void LoadOsmData(this RouterDb db, OsmStreamSource[] sources, LoadSettings settings, params Itinero.Profiles.Vehicle[] vehicles)
{
if (!db.IsEmpty)
{
throw new ArgumentException("Can only load a new routing network into an empty router db, add multiple streams at once to load multiple files.");
}
if (vehicles == null || vehicles.Length == 0)
{
throw new ArgumentNullException("vehicles", "A least one vehicle is needed to load OSM data.");
}
if (sources == null || sources.Length == 0)
{
throw new ArgumentNullException("sources", "A least one source is needed to load OSM data.");
}
if (settings == null)
{
settings = new LoadSettings();
}
// merge sources if needed.
var source = sources[0];
for (var i = 1; i < sources.Length; i++)
{
var merger = new OsmSharp.Streams.Filters.OsmStreamFilterMerge();
merger.RegisterSource(source);
merger.RegisterSource(sources[i]);
source = merger;
}
if (sources.Length > 1 && !(source is OsmStreamFilterProgress))
{ // just one source the the callee is choosing a progress filter but assumed the default for a merged stream.
var progress = new OsmStreamFilterProgress();
progress.RegisterSource(source);
source = progress;
}
// make sure the routerdb can handle multiple edges.
db.Network.GeometricGraph.Graph.MarkAsMulti();
// determine normalization flag.
var normalize = true;
foreach (var vehicle in vehicles)
{
if (vehicle.Normalize)
{
continue;
}
normalize = false;
break;
}
// load the data.
var target = new Streams.RouterDbStreamTarget(db,
vehicles, settings.AllCore, processRestrictions: settings.ProcessRestrictions, processors: settings.Processors,
simplifyEpsilonInMeter: settings.NetworkSimplificationEpsilon);
target.KeepNodeIds = settings.KeepNodeIds;
target.KeepWayIds = settings.KeepWayIds;
target.RegisterSource(source, normalize);
target.Pull();
// optimize the network.
db.RemoveDuplicateEdges();
db.SplitLongEdges();
db.ConvertToSimple();
// sort the network.
db.Sort();
// optimize the network if requested.
if (settings.NetworkSimplificationEpsilon > 0)
{
db.OptimizeNetwork(settings.NetworkSimplificationEpsilon);
}
// compress the network.
db.Compress();
}
