public static OsmChange Merge(Osm reference, Osm subject, string scopeName, GeoJsonAPISource.Municipality municipality)
{
Log = Log ?? Static.LogFactory.CreateLogger(typeof(Conflate));
// Can blacklist subject elements also! Fixme: colisions between different element types with the same ID
var subjectElements = subject.GetElements().Where(e => !municipality.BlackList.Contains(e.Id.Value));
var subjectElementIndex = new ElementIndex(subjectElements.ToArray());
List <OsmGeo> create = new List <OsmGeo>(reference.Nodes);
List <OsmGeo> modify = new List <OsmGeo>();
List <OsmGeo> delete = new List <OsmGeo>();
Log.LogInformation("Starting conflation, matching by tags");
MergeNodesByTags(new[] { "addr:street", "addr:housenumber", "addr:unit" }, subjectElementIndex, municipality.WhiteList, create, modify);
MergeNodesByTags(new[] { "addr:street", "addr:housenumber" }, subjectElementIndex, municipality.WhiteList, create, modify);
MergeNodesByTags(new[] { "name" }, subjectElementIndex, municipality.WhiteList, create, modify);
Log.LogInformation("Starting conflation, matching by geometry");
MergeNodesByGeometry(subjectElementIndex, municipality.WhiteList, create, modify);
ValidateNamesMatch(subjectElementIndex, create.Concat(modify), "highway", "addr:street",
(element, key) => ShouldStreetBeAPlace(element, subjectElementIndex));
ValidateNamesMatch(subjectElementIndex, create.Concat(modify), "place", "addr:place");
Log.LogInformation($"Writing {scopeName} review files");
var review = GatherExceptions(municipality.WhiteList, municipality.IgnoreList, subjectElementIndex, create, delete, modify);
WriteToFileWithChildrenIfAny(scopeName + "/Conflated.Review.osm", review, subjectElementIndex);
WriteToFileWithChildrenIfAny(scopeName + "/Conflated.Create.osm", create, subjectElementIndex);
WriteToFileWithChildrenIfAny(scopeName + "/Conflated.Delete.osm", delete, subjectElementIndex);
WriteToFileWithChildrenIfAny(scopeName + "/Conflated.Modify.osm", modify, subjectElementIndex);
RemoveReviewTags(create, delete, modify);
var change = Changes.FromGeos(create, modify, delete, "OsmPipeline");
LogSummary(change, review);
return(change);
}
public static long?GetHighestChangeSetId(this Osm osm)
{
return(osm.GetElements().Max(e => e.ChangeSetId));
}
public static Osm[] SliceRecusive(Osm osm, int maxElementsPerslice)
{
var index = OsmSharp.Db.Impl.Extensions.CreateSnapshotDb(new MemorySnapshotDb(osm.GetElements()));
var completeWays = index.GetComplete().OfType <CompleteWay>().ToArray();
var slices = completeWays.SliceRecusive(maxElementsPerslice).ToDictionary();
var simpleSlices = slices.Select(kvp => kvp.Value.Select(e => e.ToSimple()).WithChildren(index).AsOsm(null, .6, kvp.Key)).ToArray();
return(simpleSlices);
}
