public void TestRelationMultipolygonAreaOneOuter()
{
// tests a multipolygon containing one 'outer' member.
var source = new MemorySnapshotDb(
new Node()
{
Id = 1,
Latitude = 0,
Longitude = 0
},
new Node()
{
Id = 2,
Latitude = 1,
Longitude = 0
},
new Node()
{
Id = 3,
Latitude = 0,
Longitude = 1
},
new Way()
{
Id = 1,
Nodes = new long[]
{
1, 2, 3, 1
}
},
new Relation()
{
Id = 1,
Tags = new TagsCollection(
new Tag("type", "multipolygon")),
Members = new RelationMember[]
{
new RelationMember()
{
Id = 1,
Role = "outer",
Type = OsmGeoType.Way
}
}
}).CreateSnapshotDb();
var interpreter = new DefaultFeatureInterpreter();
var features = interpreter.Interpret(source.GetRelation(1), source);
Assert.IsNotNull(features);
Assert.AreEqual(1, features.Count);
var feature = features[0];
Assert.IsInstanceOf <LinearRing>(feature.Geometry);
Assert.IsTrue(feature.Attributes.Contains("type", "multipolygon"));
}
public void TestWayNaturalIsWaterArea()
{
var node1 = new Node();
node1.Id = 1;
node1.Latitude = 0;
node1.Longitude = 0;
var node2 = new Node();
node2.Id = 2;
node2.Latitude = 1;
node2.Longitude = 0;
var node3 = new Node();
node3.Id = 3;
node3.Latitude = 0;
node3.Longitude = 1;
var way = new Way();
way.Id = 1;
way.Nodes = new long[]
{
1, 2, 3, 1
};
way.Tags = new TagsCollection();
way.Tags.Add("natural", "water");
var source = (new MemorySnapshotDb()).CreateSnapshotDb();
source.AddOrUpdate(node1);
source.AddOrUpdate(node2);
source.AddOrUpdate(node3);
source.AddOrUpdate(way);
// the use of natural=water implies an area-type.
var interpreter = new DefaultFeatureInterpreter();
var features = interpreter.Interpret(way, source);
Assert.IsNotNull(features);
Assert.AreEqual(1, features.Count);
var feature = features[0];
Assert.IsInstanceOf <LinearRing>(feature.Geometry);
Assert.IsTrue(feature.Attributes.Contains("natural", "water"));
}
public void TestRelationMultipolygonAreaOneOuterTwoPartialInners()
{
var source = new MemorySnapshotDb(
new Node()
{
Id = 1,
Latitude = 0,
Longitude = 0
},
new Node()
{
Id = 2,
Latitude = 0,
Longitude = 1
},
new Node()
{
Id = 3,
Latitude = 1,
Longitude = 1
},
new Node()
{
Id = 4,
Latitude = 1,
Longitude = 0
},
new Node()
{
Id = 5,
Latitude = 0.25f,
Longitude = 0.25f
},
new Node()
{
Id = 6,
Latitude = 0.25f,
Longitude = 0.40f
},
new Node()
{
Id = 7,
Latitude = 0.40f,
Longitude = 0.40f
},
new Node()
{
Id = 8,
Latitude = 0.40f,
Longitude = 0.25f
},
new Way()
{
Id = 1,
Nodes = new long[]
{
1, 2, 3, 4, 1
}
},
new Way()
{
Id = 2,
Nodes = new long[]
{
5, 6, 7
}
},
new Way()
{
Id = 3,
Nodes = new long[]
{
7, 8, 5
}
},
new Relation()
{
Id = 1,
Tags = new TagsCollection(
new Tag("type", "multipolygon")),
Members = new RelationMember[]
{
new RelationMember()
{
Id = 1,
Role = "outer",
Type = OsmGeoType.Way
},
new RelationMember()
{
Id = 2,
Role = "inner",
Type = OsmGeoType.Way
},
new RelationMember()
{
Id = 3,
Role = "inner",
Type = OsmGeoType.Way
}
}
}).CreateSnapshotDb();
var interpreter = new DefaultFeatureInterpreter();
var features = interpreter.Interpret(source.GetRelation(1), source);
Assert.IsNotNull(features);
Assert.AreEqual(1, features.Count);
var feature = features[0];
Assert.IsInstanceOf <Polygon>(feature.Geometry);
Polygon polygon = feature.Geometry as Polygon;
Assert.IsNotNull(polygon.Holes);
Assert.AreEqual(1, polygon.Holes.Count());
Assert.IsTrue(feature.Attributes.Contains("type", "multipolygon"));
}
