public static LinearRing AsBoundingPolygon(CompleteRelation relation)
{
var thing = DefaultFeatureInterpreter.DefaultInterpreter.Interpret(relation).OfType <LinearRing>().First();
relation.Members.Where(r => r.Role == "outer");
return(thing);
}
public void ToGeoJson_RelationWithPolygonAndLineString_ShouldReturnMultiLineStringAfterGrouping()
{
var node1 = CreateNode(1);
var node2 = CreateNode(2);
var node3 = CreateNode(3);
var node4 = CreateNode(4);
var node5 = CreateNode(5);
var node6 = CreateNode(6);
var node7 = CreateNode(7);
var wayPartOfLineString1 = new CompleteWay {
Id = 8
};
var wayPartOfLineString2 = new CompleteWay {
Id = 9
};
wayPartOfLineString1.Nodes = new[] { node1, node2 };
wayPartOfLineString2.Nodes = new[] { node2, node3 };
var wayPartOfPolygon1 = new CompleteWay {
Id = 10
};
var wayPartOfPolygon2 = new CompleteWay {
Id = 11
};
wayPartOfPolygon1.Nodes = new[] { node4, node5, node6 };
wayPartOfPolygon2.Nodes = new[] { node4, node7, node6 };
var relation = new CompleteRelation {
Id = 12, Tags = new TagsCollection()
};
relation.Tags.Add(NAME, NAME);
relation.Members = new[] {
new CompleteRelationMember {
Member = wayPartOfLineString1
},
new CompleteRelationMember {
Member = wayPartOfLineString2
},
new CompleteRelationMember {
Member = wayPartOfPolygon1
},
new CompleteRelationMember {
Member = wayPartOfPolygon2
},
};
var feature = _converter.ToGeoJson(relation);
var multiLineString = feature.Geometry as MultiLineString;
Assert.IsNotNull(multiLineString);
Assert.AreEqual(2, multiLineString.Geometries.Length);
var lineString = multiLineString.Geometries.First();
Assert.AreEqual(3, lineString.Coordinates.Length);
var lineString2 = multiLineString.Geometries.Last();
Assert.AreEqual(5, lineString2.Coordinates.Length);
Assert.AreEqual(lineString2.Coordinates.First(), lineString2.Coordinates.Last());
}
/// <summary>
/// Compares what is in the complete list against the objects in the reference source.
/// </summary>
/// <param name="expected"></param>
/// <param name="actual"></param>
private void Compare(MemoryDataSource expected, List <ICompleteOsmGeo> actual)
{
var exectedList = new List <ICompleteOsmGeo>();
foreach (var node in expected.GetNodes())
{
var completeNode = node;
if (completeNode != null)
{
exectedList.Add(completeNode);
}
}
foreach (var way in expected.GetWays())
{
var completeWay = CompleteWay.CreateFrom(way, expected);
if (completeWay != null)
{
exectedList.Add(completeWay);
}
}
foreach (var relation in expected.GetRelations())
{
var completeRelation = CompleteRelation.CreateFrom(relation, expected);
if (completeRelation != null)
{
exectedList.Add(completeRelation);
}
}
ComparisonHelpers.CompareComplete(exectedList, actual);
}
private Feature InterpretMultipolygonRelation(CompleteRelation relation)
{
Feature feature = (Feature)null;
if (relation.Members == null)
{
return(feature);
}
List <KeyValuePair <bool, CompleteWay> > ways = new List <KeyValuePair <bool, CompleteWay> >();
foreach (CompleteRelationMember member in (IEnumerable <CompleteRelationMember>)relation.Members)
{
if (member.Role == "inner" && member.Member is CompleteWay)
{
ways.Add(new KeyValuePair <bool, CompleteWay>(false, member.Member as CompleteWay));
}
else if (member.Role == "outer" && member.Member is CompleteWay)
{
ways.Add(new KeyValuePair <bool, CompleteWay>(true, member.Member as CompleteWay));
}
}
List <KeyValuePair <bool, LineairRing> > rings;
if (!this.AssignRings(ways, out rings))
{
Log.TraceEvent("OsmSharp.Osm.Interpreter.SimpleGeometryInterpreter", TraceEventType.Error, string.Format("Ring assignment failed: invalid multipolygon relation [{0}] detected!", (object)relation.Id));
}
Geometry geometry = this.GroupRings(rings);
if (geometry != null)
{
feature = new Feature(geometry, (GeometryAttributeCollection) new SimpleGeometryAttributeCollection((IEnumerable <Tag>)relation.Tags));
}
return(feature);
}
public void ToGeoJson_RelationWithOuterOnly_ShouldReturnMultiPolygon()
{
var node1 = CreateNode(1);
var node2 = CreateNode(2);
var node3 = CreateNode(3);
var node4 = CreateNode(1);
var way = new CompleteWay
{
Id = 4,
Nodes = new[] { node1, node2, node3, node4 }
};
var relation = new CompleteRelation {
Id = 5, Tags = new TagsCollection()
};
relation.Tags.Add("type", "boundary");
relation.Members = new[] { new CompleteRelationMember {
Member = way, Role = "outer"
} };
var feature = _converter.ToGeoJson(relation);
var multiPolygon = feature.Geometry as MultiPolygon;
Assert.IsNotNull(multiPolygon);
Assert.AreEqual(4, multiPolygon.Coordinates.Length);
Assert.AreEqual(node1.Latitude, multiPolygon.Coordinates.First().Y);
Assert.AreEqual(node4.Longitude, multiPolygon.Coordinates.Last().X);
}
public void ToGeoJson_RelationWithNodes_ShouldReturnMultiPoint()
{
var node1 = CreateNode(1);
var node2 = CreateNode(2);
var relation = new CompleteRelation {
Id = 3, Tags = new TagsCollection()
};
relation.Tags.Add(NAME, NAME);
relation.Members = new[] {
new CompleteRelationMember {
Member = node1
},
new CompleteRelationMember {
Member = node2
}
};
var feature = _converter.ToGeoJson(relation);
var multiPoint = feature.Geometry as MultiPoint;
Assert.IsNotNull(multiPoint);
Assert.AreEqual(2, multiPoint.Coordinates.Length);
var position1 = multiPoint.Coordinates.First();
Assert.IsNotNull(position1);
Assert.AreEqual(node1.Latitude, position1.Y);
var position2 = multiPoint.Coordinates.Last();
Assert.IsNotNull(position2);
Assert.AreEqual(node2.Longitude, position2.X);
}
private Feature ConvertRelation(CompleteRelation relation)
{
if (IsMultipolygon(relation))
{
return(ConvertToMultipolygon(relation));
}
var nodes = relation.Members.Select(m => m.Member).OfType <Node>().ToList();
if (nodes.Any())
{
var multiPoint = new MultiPoint(nodes.Select(n => new Point(ConvertNode(n)) as IPoint).ToArray());
return(new Feature(multiPoint, ConvertTags(relation)));
}
var geometries = GetGeometriesFromWays(GetAllWays(relation));
if (!geometries.Any())
{
return(null);
}
var jointLines = geometries.OfType <ILineString>().ToList();
jointLines.AddRange(geometries.OfType <Polygon>().Select(p => new LineString(p.Coordinates) as ILineString));
var multiLineString = new MultiLineString(jointLines.ToArray());
return(new Feature(multiLineString, ConvertTags(relation)));
}
/// <summary>
/// Parse a CompleteRelation into a Geometry. Avoids recursion to allow for much larger objects to be processed than the default OSMSharp FeatureInterpreter.
/// </summary>
/// <param name="relation">The CompleteRelation to process</param>
/// <returns>the Geometry to use in the application elsewhere, or null if an error occurred generating the Geometry. </returns>
private Geometry InterpretMultipolygonRelationNoRecursion(CompleteRelation relation)
{
//Feature feature = null;
if (relation.Members == null)
{ // the relation has no members.
return(null);
}
// build lists of outer and inner ways.
var inners = new List <CompleteWay>();
var outers = new List <CompleteWay>(relation.Members.Count());
foreach (var member in relation.Members)
{
switch (member.Role)
{
case "inner" when member.Member is CompleteWay:
inners.Add(member.Member as CompleteWay);
break;
case "outer" when member.Member is CompleteWay:
outers.Add(member.Member as CompleteWay);
break;
default:
break;
}
}
var geometry = BuildGeometry(outers, inners);
return(geometry);
}
public void ToGeoJson_MultiPolygonWithTwoHoles_ShouldReturnMultiPlygonWithSinglePolygon()
{
var id = 1;
var node1 = CreateNode(id++, 0, 0);
var node2 = CreateNode(id++, 1, 0);
var node3 = CreateNode(id++, 1, 1);
var node4 = CreateNode(id++, 0, 1);
var node5 = CreateNode(id++, 0.5, 0.5);
var node6 = CreateNode(id++, 0.5, 0.6);
var node7 = CreateNode(id++, 0.6, 0.6);
var node8 = CreateNode(id++, 0.6, 0.5);
var node9 = CreateNode(id++, 0.3, 0.3);
var node10 = CreateNode(id++, 0.3, 0.4);
var node11 = CreateNode(id++, 0.4, 0.4);
var node12 = CreateNode(id++, 0.4, 0.3);
var wayOuter = new CompleteWay
{
Id = id++,
Nodes = new[] { node1, node2, node3, node4, node1 }
};
var wayInner1 = new CompleteWay
{
Id = id++,
Nodes = new[] { node5, node6, node7, node8, node5 }
};
var wayInner2 = new CompleteWay
{
Id = id++,
Nodes = new[] { node9, node10, node11, node12, node9 }
};
var relation = new CompleteRelation
{
Id = id++,
Tags = new TagsCollection(),
Members = new[]
{
new CompleteRelationMember {
Member = wayInner1, Role = "inner"
},
new CompleteRelationMember {
Member = wayInner2, Role = "inner"
},
new CompleteRelationMember {
Member = wayOuter, Role = "outer"
}
}
};
relation.Tags.Add("type", "boundary");
var geoJson = _converter.ToGeoJson(relation);
var multiPlygon = geoJson.Geometry as MultiPolygon;
Assert.IsNotNull(multiPlygon);
Assert.IsTrue(multiPlygon.IsValid);
Assert.AreEqual(1, multiPlygon.Geometries.Length);
}
public Agency(CompleteRelation rel, Dictionary <long, RouteRelation> routes)
{
string name = null;
string id = null;
string url = null;
string phone = null;
string fareUrl = null;
string email = null;
if (Config.AgencyIDTag == null)
{
id = Util.OsmIDString(rel);
}
foreach (Tag tag in rel.Tags)
{
if (tag.Key == Config.AgencyIDTag)
{
id = Config.PatternExtract(tag.Value, Config.AgencyIDPattern);
}
if (tag.Key == Config.AgencyNameTag)
{
name = Config.PatternExtract(tag.Value, Config.AgencyNamePattern);
}
else if (tag.Key.StartsWith("name:") && name == null)
{
name = tag.Value;
}
else if (tag.Key == "website" || tag.Key == "contact:website")
{
url = tag.Value;
}
else if (tag.Key == "phone" || tag.Key == "contact:phone")
{
phone = tag.Value;
UsePhone = true;
}
else if (tag.Key == "website:fares" || tag.Key == "contact:website:fares")
{
fareUrl = tag.Value;
UseFare = true;
}
else if (tag.Key == "email" || tag.Key == "contact:email")
{
email = tag.Value;
UseEmail = true;
}
}
Name = name;
ID = id;
Url = url;
Phone = phone;
FareUrl = fareUrl;
Email = email;
AddRoutes(routes, this, rel);
}
/// <summary>
/// Compares the two complete objects.
/// </summary>
public static void CompareComplete(CompleteRelation expected, CompleteRelation actual)
{
if (expected == null)
{ // ok, if the value is also null.
Assert.IsNull(actual);
}
else
{ // check and compare the value.
Assert.IsNotNull(actual);
Assert.AreEqual(expected.Id, actual.Id);
Assert.AreEqual(expected.ChangeSetId, actual.ChangeSetId);
Assert.AreEqual(expected.TimeStamp, actual.TimeStamp);
Assert.AreEqual(expected.User, actual.User);
Assert.AreEqual(expected.UserId, actual.UserId);
Assert.AreEqual(expected.Version, actual.Version);
Assert.AreEqual(expected.Visible, actual.Visible);
if (expected.Members == null)
{ // ok, if the value is also null.
Assert.IsNotNull(actual.Members);
}
else
{ // check and compare the nodes.
Assert.AreEqual(expected.Members.Count, actual.Members.Count);
for (int idx = 0; idx < expected.Members.Count; idx++)
{
CompleteRelationMember expectedMember = expected.Members[idx];
CompleteRelationMember actualMember = actual.Members[idx];
Assert.AreEqual(expectedMember.Role, actualMember.Role);
Assert.IsNotNull(expectedMember.Member);
Assert.IsNotNull(actualMember.Member);
Assert.AreEqual(expectedMember.Member.Type, actualMember.Member.Type);
switch (expectedMember.Member.Type)
{
case CompleteOsmType.Node:
ComparisonHelpers.CompareComplete(
expectedMember.Member as Node,
actualMember.Member as Node);
break;
case CompleteOsmType.Way:
ComparisonHelpers.CompareComplete(
expectedMember.Member as CompleteWay,
actualMember.Member as CompleteWay);
break;
case CompleteOsmType.Relation:
ComparisonHelpers.CompareComplete(
expectedMember.Member as CompleteRelation,
actualMember.Member as CompleteRelation);
break;
}
}
}
}
}
public void ToGeoJson_RelationWithTwoSubRelationsWithInnerRole_ShouldReturnMultiPolygon()
{
int id = 1;
var node1 = CreateNode(id++);
var node2 = CreateNode(id++);
var node3 = CreateNode(id++);
var way1 = new CompleteWay
{
Id = 4,
Nodes = new[] { node1, node2, node3, node1 }
};
var node4 = CreateNode(id++);
var node5 = CreateNode(id++);
var node6 = CreateNode(id++);
var way2 = new CompleteWay
{
Id = id++,
Nodes = new[] { node4, node5, node6, node4 }
};
var subRelation1 = new CompleteRelation
{
Id = id++,
Members = new[] { new CompleteRelationMember {
Member = way1, Role = "outer"
} }
};
var subRelation2 = new CompleteRelation
{
Id = id++,
Members = new[] { new CompleteRelationMember {
Member = way2, Role = "outer"
} }
};
var relation = new CompleteRelation {
Id = id++, Tags = new TagsCollection()
};
relation.Tags.Add("type", "multipolygon");
relation.Members = new[] {
new CompleteRelationMember {
Member = subRelation1
},
new CompleteRelationMember {
Member = subRelation2
}
};
var feature = _converter.ToGeoJson(relation);
var multiPolygon = feature.Geometry as MultiPolygon;
Assert.IsNotNull(multiPolygon);
Assert.AreEqual(8, multiPolygon.Coordinates.Length);
Assert.AreEqual(node1.Latitude, multiPolygon.Coordinates.First().Y);
Assert.AreEqual(node4.Longitude, multiPolygon.Coordinates.Last().X);
}
private Feature ConvertToMultipolygon(CompleteRelation relation)
{
var allWaysInRelationByRole = GetAllWaysGroupedByRole(relation);
var outerWays = allWaysInRelationByRole.Where(kvp => kvp.Key == OUTER).SelectMany(kvp => kvp.Value).ToList();
var outerPolygons = GetGeometriesFromWays(outerWays).OfType <Polygon>().ToList();
var innerWays = allWaysInRelationByRole.Where(kvp => kvp.Key != OUTER).SelectMany(kvp => kvp.Value).ToList();
var innerPolygons = GetGeometriesFromWays(innerWays).OfType <Polygon>().ToList();
var multiPolygon = MergeInnerIntoOuterPolygon(outerPolygons, innerPolygons);
return(new Feature(multiPolygon, ConvertTags(relation)));
}
public void ToGeoJson_RelationWithoutWays_ShouldReturnMultiPoint()
{
var relation = new CompleteRelation {
Id = 3, Tags = new TagsCollection(), Members = new CompleteRelationMember[0]
};
relation.Tags.Add(NAME, NAME);
var feature = _converter.ToGeoJson(relation);
Assert.IsNull(feature);
}
/// <summary>
/// Tries to interpret a given multipolygon relation.
/// </summary>
/// <param name="relation"></param>
/// <returns></returns>
private Feature InterpretMultipolygonRelation(CompleteRelation relation)
{
Feature feature = null;
if (relation.Members == null)
{ // the relation has no members.
return(feature);
}
// build lists of outer and inner ways.
var ways = new List <KeyValuePair <bool, CompleteWay> >(); // outer=true
foreach (var member in relation.Members)
{
if (member.Role == "inner" &&
member.Member is CompleteWay)
{ // an inner member.
ways.Add(new KeyValuePair <bool, CompleteWay>(
false, member.Member as CompleteWay));
}
else if (member.Role == "outer" &&
member.Member is CompleteWay)
{ // an outer member.
ways.Add(new KeyValuePair <bool, CompleteWay>(
true, member.Member as CompleteWay));
}
}
// started a similar algorithm and then found this:
// loosely based on: http://wiki.openstreetmap.org/wiki/Relation:multipolygon/Algorithm
// recusively try to assign the rings.
List <KeyValuePair <bool, LineairRing> > rings;
if (!this.AssignRings(ways, out rings))
{
OsmSharp.Logging.Log.TraceEvent("OsmSharp.Osm.Interpreter.SimpleGeometryInterpreter", TraceEventType.Error,
string.Format("Ring assignment failed: invalid multipolygon relation [{0}] detected!", relation.Id));
}
// group the rings and create a multipolygon.
var geometry = this.GroupRings(rings);
if (geometry != null)
{
feature = new Feature(geometry,
new SimpleGeometryAttributeCollection(relation.Tags));
}
return(feature);
}
public void ToGeoJson_RelationWithTouchingPolygones_ShouldReturnValidMultiPolygon()
{
int id = 1;
var node1 = CreateNode(id++, 0, 0);
var node2 = CreateNode(id++, 0, 1);
var node3 = CreateNode(id++, 1, 1);
var node4 = CreateNode(id++, 1, 0);
var node5 = CreateNode(id++, 0, 2);
var node6 = CreateNode(id++, 1, 2);
var node7 = CreateNode(id++, -1, -1);
var node8 = CreateNode(id++, 3, -1);
var node9 = CreateNode(id++, 3, 3);
var node10 = CreateNode(id++, -1, 3);
var polygon1inner = new CompleteWay {
Id = id++, Nodes = new[] { node1, node2, node3, node4, node1 }
};
var polygon2inner = new CompleteWay {
Id = id++, Nodes = new[] { node2, node5, node6, node3, node2 }
};
var polygonOuter = new CompleteWay {
Id = id++, Nodes = new[] { node7, node8, node9, node10, node7 }
};
var relation = new CompleteRelation {
Id = id++, Tags = new TagsCollection()
};
relation.Tags.Add(NAME, NAME);
relation.Tags.Add("type", "multipolygon");
relation.Members = new[] {
new CompleteRelationMember {
Member = polygonOuter, Role = "outer"
},
new CompleteRelationMember {
Member = polygon1inner
},
new CompleteRelationMember {
Member = polygon2inner
}
};
var feature = _converter.ToGeoJson(relation);
var multiPolygon = feature.Geometry as MultiPolygon;
Assert.IsNotNull(multiPolygon);
var isValidOp = new IsValidOp(multiPolygon);
Assert.IsTrue(isValidOp.IsValid);
}
/// <summary>
/// Interprets an OSM-object and returns the correctponding geometry.
/// </summary>
/// <param name="simpleOsmGeo"></param>
/// <param name="data"></param>
/// <returns></returns>
public virtual GeometryCollection Interpret(OsmGeo simpleOsmGeo, IDataSourceReadOnly data)
{
switch (simpleOsmGeo.Type)
{
case OsmGeoType.Node:
return(this.Interpret(simpleOsmGeo as Node));
case OsmGeoType.Way:
return(this.Interpret(CompleteWay.CreateFrom(simpleOsmGeo as Way, data)));
case OsmGeoType.Relation:
return(this.Interpret(CompleteRelation.CreateFrom(simpleOsmGeo as Relation, data)));
}
throw new ArgumentOutOfRangeException();
}
public void ToGeoJson_Convert8Shape_ShouldConvertToMultipolygon()
{
int id = 1;
var node1 = CreateNode(id++, 0, 0);
var node2 = CreateNode(id++, 0, 1);
var node3 = CreateNode(id++, 1, 1);
var node4 = CreateNode(id++, 1, 0);
var node5 = CreateNode(id++, 0, -1);
var node6 = CreateNode(id++, -1, -1);
var node7 = CreateNode(id++, -1, 0);
var way1 = new CompleteWay {
Id = id++, Nodes = new[] { node1, node2, node3 }
};
var way2 = new CompleteWay {
Id = id++, Nodes = new[] { node3, node4, node1, node5, node6 }
};
var way3 = new CompleteWay {
Id = id++, Nodes = new[] { node6, node7, node1 }
};
var relation = new CompleteRelation {
Id = id++, Tags = new TagsCollection()
};
relation.Tags.Add(NAME, NAME);
relation.Tags.Add("type", "multipolygon");
relation.Members = new[] {
new CompleteRelationMember {
Member = way1, Role = "outer"
},
new CompleteRelationMember {
Member = way2, Role = "outer"
},
new CompleteRelationMember {
Member = way3, Role = "outer"
}
};
var feature = _converter.ToGeoJson(relation);
var multiPolygon = feature.Geometry as MultiPolygon;
Assert.IsNotNull(multiPolygon);
var isValidOp = new IsValidOp(multiPolygon);
Assert.IsTrue(isValidOp.IsValid);
}
/// <summary>
/// Translates the given OSM objects into corresponding geometries.
/// </summary>
/// <param name="scene"></param>
/// <param name="projection"></param>
/// <param name="source"></param>
/// <param name="osmGeo"></param>
public virtual void Translate(Scene2D scene, IProjection projection, IDataSourceReadOnly source, OsmGeo osmGeo)
{
switch (osmGeo.Type)
{
case OsmGeoType.Node:
this.Translate(scene, projection, CompleteNode.CreateFrom(osmGeo as Node));
break;
case OsmGeoType.Way:
this.Translate(scene, projection, CompleteWay.CreateFrom(osmGeo as Way, source));
break;
case OsmGeoType.Relation:
this.Translate(scene, projection, CompleteRelation.CreateFrom(osmGeo as Relation, source));
break;
}
}
/// <summary>
/// Tries to interpret a given multipolygon relation.
/// </summary>
private Feature InterpretMultipolygonRelation(CompleteRelation relation)
{
Feature feature = null;
if (relation.Members == null)
{ // the relation has no members.
return(null);
}
// build lists of outer and inner ways.
var ways = new List <KeyValuePair <bool, CompleteWay> >(); // outer=true
foreach (var member in relation.Members)
{
switch (member.Role)
{
case "inner" when member.Member is CompleteWay: // an inner member.
ways.Add(new KeyValuePair <bool, CompleteWay>(
false, member.Member as CompleteWay));
break;
case "outer" when member.Member is CompleteWay: // an outer member.
ways.Add(new KeyValuePair <bool, CompleteWay>(
true, member.Member as CompleteWay));
break;
}
}
// started a similar algorithm and then found this:
// loosely based on: http://wiki.openstreetmap.org/wiki/Relation:multipolygon/Algorithm
// recusively try to assign the rings.
if (!this.AssignRings(ways, out var rings))
{
Logging.Logger.Log("DefaultFeatureInterpreter", TraceEventType.Error,
$"Ring assignment failed: invalid multipolygon relation [{relation.Id}] detected!");
}
// group the rings and create a multipolygon.
var geometry = this.GroupRings(rings);
if (geometry != null)
{
feature = new Feature(geometry, TagsAndIdToAttributes(relation));
}
return(feature);
}
public virtual FeatureCollection Interpret(OsmGeo simpleOsmGeo, IDataSourceReadOnly data)
{
switch (simpleOsmGeo.Type)
{
case OsmGeoType.Node:
return(this.Interpret((ICompleteOsmGeo)(simpleOsmGeo as Node)));
case OsmGeoType.Way:
return(this.Interpret((ICompleteOsmGeo)CompleteWay.CreateFrom(simpleOsmGeo as Way, (INodeSource)data)));
case OsmGeoType.Relation:
return(this.Interpret((ICompleteOsmGeo)CompleteRelation.CreateFrom(simpleOsmGeo as Relation, (IOsmGeoSource)data)));
default:
throw new ArgumentOutOfRangeException();
}
}
public void ToGeoJson_MultiPolygonWithHole_ShouldReturnMultiPlygonWithSinglePolygon()
{
var node1 = CreateNode(1, 0, 0);
var node2 = CreateNode(2, 1, 0);
var node3 = CreateNode(3, 1, 1);
var node4 = CreateNode(4, 0, 1);
var node5 = CreateNode(5, 0.5, 0.5);
var node6 = CreateNode(6, 0.5, 0.6);
var node7 = CreateNode(7, 0.6, 0.6);
var node8 = CreateNode(8, 0.6, 0.5);
var wayOuter = new CompleteWay
{
Id = 9,
Nodes = new[] { node1, node2, node3, node4, node1 }
};
var wayInner = new CompleteWay
{
Id = 9,
Nodes = new[] { node5, node6, node7, node8, node5 }
};
var relation = new CompleteRelation
{
Id = 10,
Tags = new TagsCollection(),
Members = new[]
{
new CompleteRelationMember {
Member = wayInner, Role = "inner"
},
new CompleteRelationMember {
Member = wayOuter, Role = "outer"
}
}
};
relation.Tags.Add("boundary", "true");
var geoJson = _converter.ToGeoJson(relation);
var multiPlygon = geoJson.Geometry as MultiPolygon;
Assert.IsNotNull(multiPlygon);
Assert.IsTrue(multiPlygon.IsValid);
Assert.AreEqual(1, multiPlygon.Geometries.Length);
}
public void ToGeoJson_UnsortedRelation_ShouldReturnMultiLineStringAfterGrouping()
{
var node1 = CreateNode(1);
var node2 = CreateNode(2);
var node3 = CreateNode(3);
var node4 = CreateNode(4);
var wayPartOfLineString1 = new CompleteWay {
Id = 8
};
var wayPartOfLineString2 = new CompleteWay {
Id = 9
};
var wayPartOfLineString3 = new CompleteWay {
Id = 10
};
wayPartOfLineString1.Nodes = new[] { node1, node2 };
wayPartOfLineString2.Nodes = new[] { node3, node4 };
wayPartOfLineString3.Nodes = new[] { node3, node2 };
var relation = new CompleteRelation {
Id = 11, Tags = new TagsCollection()
};
relation.Tags.Add(NAME, NAME);
relation.Members = new[] {
new CompleteRelationMember {
Member = wayPartOfLineString1
},
new CompleteRelationMember {
Member = wayPartOfLineString2
},
new CompleteRelationMember {
Member = wayPartOfLineString3
}
};
var feature = _converter.ToGeoJson(relation);
var multiLineString = feature.Geometry as MultiLineString;
Assert.IsNotNull(multiLineString);
Assert.AreEqual(1, multiLineString.Geometries.Length);
var lineString = multiLineString.Geometries.First();
Assert.AreEqual(4, lineString.Coordinates.Length);
}
public void PreprocessAreaRelationRoute_ShouldGetGeoLocationAtStart()
{
var node1 = CreateNode(1, 0, 0);
var node2 = CreateNode(2, 1, 1);
var node3 = CreateNode(3, 1, 0);
var way1 = new CompleteWay
{
Nodes = new[] { node1, node2, node3 },
};
var way2 = new CompleteWay
{
Nodes = new[] { node3, node1 },
};
var relaction = new CompleteRelation
{
Members = new []
{
new CompleteRelationMember {
Member = way1, Role = ""
},
new CompleteRelationMember {
Member = way2, Role = ""
},
},
Tags = new TagsCollection
{
{ "route", "bike" }
}
};
var osmElements = new List <ICompleteOsmGeo> {
relaction
};
var dictionary = new Dictionary <string, List <ICompleteOsmGeo> > {
{ FeatureAttributes.NAME, osmElements }
};
var results = _preprocessorExecutor.Preprocess(dictionary);
Assert.AreEqual(1, results.Count);
var geoLocation = results.First().Attributes[FeatureAttributes.POI_GEOLOCATION] as IAttributesTable;
Assert.IsNotNull(geoLocation);
Assert.AreEqual(node1.Latitude, geoLocation[FeatureAttributes.LAT]);
}
public void ToGeoJson_ConvertLoopAndLines_ShouldCreateValidMultiLine()
{
int id = 1;
var node1 = CreateNode(id++, 0, 0);
var node2 = CreateNode(id++, 0, 1);
var node3 = CreateNode(id++, 1, 1);
var node4 = CreateNode(id++, 1, 0);
var node5 = CreateNode(id++, 0, -1);
var way1 = new CompleteWay {
Id = id++, Nodes = new[] { node1, node5 }
};
var way2 = new CompleteWay {
Id = id++, Nodes = new[] { node1, node2, node3, node4, node1 }
};
var relation = new CompleteRelation {
Id = id++, Tags = new TagsCollection()
};
relation.Tags.Add(NAME, NAME);
relation.Members = new[] {
new CompleteRelationMember {
Member = way1, Role = "outer"
},
new CompleteRelationMember {
Member = way2, Role = "outer"
}
};
var feature = _converter.ToGeoJson(relation);
var multiLineString = feature.Geometry as MultiLineString;
Assert.IsNotNull(multiLineString);
var isValidOp = new IsValidOp(multiLineString);
Assert.IsTrue(isValidOp.IsValid);
}
/// <summary>
/// Translates the given OSM objects into corresponding geometries.
/// </summary>
/// <param name="scene"></param>
/// <param name="projection"></param>
/// <param name="source"></param>
/// <param name="osmGeo"></param>
public virtual void Translate(Scene2D scene, IProjection projection, IDataSourceReadOnly source, OsmGeo osmGeo)
{
switch (osmGeo.Type)
{
case OsmGeoType.Node:
var node = osmGeo as Node;
if (node.Tags == null)
{ // make sure that a node has a tag collection by default.
node.Tags = new TagsCollection();
}
this.Translate(scene, projection, node);
break;
case OsmGeoType.Way:
this.Translate(scene, projection, CompleteWay.CreateFrom(osmGeo as Way, source));
break;
case OsmGeoType.Relation:
this.Translate(scene, projection, CompleteRelation.CreateFrom(osmGeo as Relation, source));
break;
}
}
public void Scene2DSimpleSerializeDeserializeTest()
{
// create the MapCSS image source.
var imageSource = new MapCSSDictionaryImageSource();
// load mapcss style interpreter.
var mapCSSInterpreter = new MapCSSInterpreter(
Assembly.GetExecutingAssembly().GetManifestResourceStream(
"OsmSharp.UI.Test.Unittests.Data.MapCSS.test.mapcss"),
imageSource);
// initialize the data source.
var xmlSource = new XmlOsmStreamSource(
Assembly.GetExecutingAssembly().GetManifestResourceStream(
"OsmSharp.UI.Test.Unittests.Data.test.osm"));
IEnumerable <OsmGeo> dataSource = xmlSource;
MemoryDataSource source = MemoryDataSource.CreateFrom(xmlSource);
// get data.
var scene = new Scene2DSimple();
var projection = new WebMercator();
GeoCoordinateBox box = null;
foreach (var osmGeo in dataSource)
{
CompleteOsmGeo completeOsmGeo = null;
switch (osmGeo.Type)
{
case OsmGeoType.Node:
completeOsmGeo = CompleteNode.CreateFrom(osmGeo as Node);
break;
case OsmGeoType.Way:
completeOsmGeo = CompleteWay.CreateFrom(osmGeo as Way,
source);
break;
case OsmGeoType.Relation:
completeOsmGeo = CompleteRelation.CreateFrom(osmGeo as Relation,
source);
break;
}
// update box.
if (completeOsmGeo != null)
{
if (box == null)
{
box = completeOsmGeo.BoundingBox;
}
else if (completeOsmGeo.BoundingBox != null)
{
box = box + completeOsmGeo.BoundingBox;
}
}
// translate each object into scene object.
mapCSSInterpreter.Translate(scene, projection, source, osmGeo as OsmGeo);
}
// create the stream.
var stream = new MemoryStream();
scene.Serialize(stream, false);
// deserialize the stream.
IScene2DPrimitivesSource sceneSource = Scene2DSimple.Deserialize(stream, false);
if (box != null)
{
// query both and get the same results.
int counter = 100;
var rand = new Random();
while (counter > 0)
{
var queryBox = new GeoCoordinateBox(
box.GenerateRandomIn(rand),
box.GenerateRandomIn(rand));
var zoomFactor = (float)projection.ToZoomFactor(15);
View2D testView = View2D.CreateFromBounds(
projection.LatitudeToY(queryBox.MaxLat),
projection.LongitudeToX(queryBox.MinLon),
projection.LatitudeToY(queryBox.MinLat),
projection.LongitudeToX(queryBox.MaxLon));
var testScene = new Scene2DSimple();
sceneSource.Get(testScene, testView, zoomFactor);
// var resultIndex = new HashSet<Scene2DPrimitive>(testScene.Get(testView, zoomFactor));
// var resultReference = new HashSet<Scene2DPrimitive>(scene.Get(testView, zoomFactor));
//Assert.AreEqual(resultReference.Count, resultIndex.Count);
//foreach (var data in resultIndex)
//{
// Assert.IsTrue(resultReference.Contains(data));
//}
//foreach (var data in resultReference)
//{
// Assert.IsTrue(resultIndex.Contains(data));
//}
counter--;
}
}
}
/// <summary> /// Adds a relation to the target. /// </summary> /// <param name="relation"></param> public abstract void AddRelation(CompleteRelation relation);
/// <summary>
/// Tries to interpret a given multipolygon relation.
/// </summary>
/// <param name="relation"></param>
/// <returns></returns>
private Geometry InterpretMultipolygonRelation(CompleteRelation relation)
{
Geometry geometry = null;
if (relation.Members == null)
{ // the relation has no members.
return geometry;
}
// build lists of outer and inner ways.
var ways = new List<KeyValuePair<bool, CompleteWay>>(); // outer=true
foreach (CompleteRelationMember member in relation.Members)
{
if (member.Role == "inner" &&
member.Member is CompleteWay)
{ // an inner member.
ways.Add(new KeyValuePair<bool, CompleteWay>(
false, member.Member as CompleteWay));
}
else if (member.Role == "outer" &&
member.Member is CompleteWay)
{ // an outer member.
ways.Add(new KeyValuePair<bool, CompleteWay>(
true, member.Member as CompleteWay));
}
}
// started a similar algorithm and then found this:
// loosely based on: http://wiki.openstreetmap.org/wiki/Relation:multipolygon/Algorithm
// recusively try to assign the rings.
List<KeyValuePair<bool, LineairRing>> rings;
if (!this.AssignRings(ways, out rings))
{
OsmSharp.Logging.Log.TraceEvent("OsmSharp.Osm.Interpreter.SimpleGeometryInterpreter", TraceEventType.Error,
string.Format("Ring assignment failed: invalid multipolygon relation [{0}] detected!", relation.Id));
}
// group the rings and create a multipolygon.
geometry = this.GroupRings(rings);
if (geometry != null)
{
// assign attributes.
geometry.Attributes = new SimpleGeometryAttributeCollection(relation.Tags);
}
return geometry;
}
/// <summary>
/// Returns all restrictions that are represented by the given node.
/// </summary>
/// <param name="completeRelation"></param>
/// <returns></returns>
public List <KeyValuePair <Vehicle, long[]> > CalculateRestrictions(CompleteRelation completeRelation)
{
return(new List <KeyValuePair <Vehicle, long[]> >());
}
private static Dictionary <string, List <CompleteWay> > GetAllWaysGroupedByRole(CompleteRelation relation)
{
var dicionary = relation.Members.GroupBy(m => m.Role ?? string.Empty)
.ToDictionary(g => g.Key, g => g.Select(k => k.Member)
.OfType <CompleteWay>().ToList());
if (relation.Members.All(m => m.Member.Type != OsmGeoType.Relation))
{
return(dicionary);
}
var subRelations = relation.Members.Select(m => m.Member).OfType <CompleteRelation>();
foreach (var subRelation in subRelations)
{
var subRelationDictionary = GetAllWaysGroupedByRole(subRelation);
foreach (var key in subRelationDictionary.Keys)
{
if (dicionary.ContainsKey(key))
{
dicionary[key].AddRange(subRelationDictionary[key]);
}
else
{
dicionary[key] = subRelationDictionary[key];
}
}
}
return(dicionary);
}
