/// <summary>
/// Move to the next object.
/// </summary>
public override bool MoveNext(bool ignoreNodes, bool ignoreWays, bool ignoreRelations)
{
if (_mergedSource == null)
{
var mergedSource = new OsmStreamFilterMerge();
mergedSource.RegisterSource(this.Source);
mergedSource.RegisterSource(_creations);
_mergedSource = mergedSource;
}
OsmGeo modified;
while (_mergedSource.MoveNext(ignoreNodes, ignoreWays, ignoreRelations))
{
// returns the next out of the merged source of the creations and the source.
_current = _mergedSource.Current();
// check for deletions or modifications.
var key = new OsmGeoKey(_current);
if (_deletions.Contains(key))
{
// move next.
_current = null;
continue;
}
else if (_modifications.TryGetValue(key, out modified))
{
_current = modified;
}
return(true);
}
return(false);
}
/// <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, OsmStreamSource[] sources, bool allCore = false, bool processRestrictions = true,
IEnumerable <ITwoPassProcessor> processors = null, 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.");
}
// 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, allCore, processRestrictions: processRestrictions, processors: processors);
target.RegisterSource(source);
target.Pull();
// sort the network.
db.Sort();
}
static void AddFromSourceOsmData(string osmFile, string osmTransitFile)
{
// load transit data formatted as osm data.
using var transitSource = File.OpenRead(osmTransitFile);
var osmTransitSource = new OsmSharp.Streams.BinaryOsmStreamSource(transitSource);
using var source = File.OpenRead(osmFile);
var osmSource = new OsmSharp.Streams.PBFOsmStreamSource(source);
var merged = new OsmSharp.Streams.Filters.OsmStreamFilterMerge();
merged.RegisterSource(osmSource);
merged.RegisterSource(osmTransitSource);
// run through transit handler filter.
var transitFilter = new TransitDataHandlerOsmStream((osmGeo) =>
{
if (osmGeo.Tags != null && osmGeo.Tags.Contains("source", "ANYWAYS:transitdb"))
{
return(true);
}
return(false);
});
transitFilter.RegisterSource(merged);
// build routerdb.
var routerDb = new RouterDb();
routerDb.LoadOsmData(transitFilter, Vehicle.Bicycle);
// after routerdb is finished, use filtered data to properly add transit data.
routerDb.AddPublicTransport(transitFilter, new IProfileInstance[] { Vehicle.Bicycle.Fastest() });
// write the result.
routerDb.WriteToShape("output.shp");
}
/// <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();
}
