public void CanProcessOneOuterNonClosed()
{
// ARRANGE
var relation = new Relation()
{
Tags = new Dictionary <string, string>()
{
{ "type", "multipolygon" },
{ "tag", "tags" }
}.ToTags(),
Members = new List <RelationMember>()
{
CreateRelationWayMember("outer", new Vector2d(0, 0), new Vector2d(3, 5),
new Vector2d(7, 3)),
CreateRelationWayMember("outer", new Vector2d(7, 3), new Vector2d(8, -1),
new Vector2d(3, -4), new Vector2d(0, 0)),
}
};
var areas = new List <Area>();
// ACT
MultipolygonProcessor.FillAreas(relation, areas);
// ASSERT
Assert.AreEqual(1, areas.Count);
var area = areas.First();
Assert.AreEqual(6, area.Points.Count);
Assert.AreEqual(0, area.Holes.Count);
}
public void CanProcessMultiplyOuterAndMultiplyInnerArbitaryTypes()
{
// see fig.6 http://wiki.openstreetmap.org/wiki/Talk:Relation:multipolygon
// accessed 22.11.2014
// ARRANGE
var relation = new Relation()
{
Tags = new Dictionary <string, string>()
{
{ "type", "multipolygon" },
{ "tag", "tags" }
}.ToTags(),
Members = new List <RelationMember>()
{
CreateRelationWayMember("outer", new Vector2d(1, 5), new Vector2d(8, 4)),
CreateRelationWayMember("outer", new Vector2d(8, 4), new Vector2d(9, -1)),
CreateRelationWayMember("outer", new Vector2d(9, -1), new Vector2d(8, -6), new Vector2d(2, -5)),
CreateRelationWayMember("outer", new Vector2d(2, -5), new Vector2d(0, -3), new Vector2d(1, 5)),
CreateRelationWayMember("inner", new Vector2d(2, 1), new Vector2d(3, 3), new Vector2d(6, 3)),
CreateRelationWayMember("inner", new Vector2d(6, 3), new Vector2d(4, 0), new Vector2d(2, 1)),
CreateRelationWayMember("inner", new Vector2d(1, -2), new Vector2d(3, -1)),
CreateRelationWayMember("inner", new Vector2d(3, -1), new Vector2d(4, -4)),
CreateRelationWayMember("inner", new Vector2d(4, -4), new Vector2d(1, -3)),
CreateRelationWayMember("inner", new Vector2d(1, -3), new Vector2d(1, -2)),
CreateRelationWayMember("inner", new Vector2d(6, -3), new Vector2d(7, -1),
new Vector2d(8, -4), new Vector2d(6, -3)),
CreateRelationWayMember("outer", new Vector2d(10, 5), new Vector2d(14, 5)),
CreateRelationWayMember("outer", new Vector2d(14, 5), new Vector2d(14, -1)),
CreateRelationWayMember("outer", new Vector2d(14, -1), new Vector2d(10, -1)),
CreateRelationWayMember("outer", new Vector2d(10, -1), new Vector2d(10, 5)),
CreateRelationWayMember("inner", new Vector2d(11, 4), new Vector2d(13, 4)),
CreateRelationWayMember("inner", new Vector2d(13, 4), new Vector2d(13, 0), new Vector2d(11, 0)),
CreateRelationWayMember("inner", new Vector2d(11, 0), new Vector2d(12, 2)),
CreateRelationWayMember("inner", new Vector2d(12, 2), new Vector2d(11, 4)),
CreateRelationWayMember("outer", new Vector2d(10, -3), new Vector2d(14, -3), new Vector2d(14, -6),
new Vector2d(10, -6), new Vector2d(10, -3)),
}
};
var areas = new List <Area>();
// ACT
MultipolygonProcessor.FillAreas(relation, areas);
// ASSERT
Assert.AreEqual(3, areas.Count);
Assert.AreEqual(3, areas.Single(a => a.Points.Count == 7).Holes.Count);
Assert.AreEqual(1, areas.Single(a => a.Points.Count == 5 && a.Points[0].Longitude > -2).Holes.Count); // select higher rectangle
Assert.AreEqual(0, areas.Single(a => a.Points.Count == 5 && a.Points[0].Longitude < -2).Holes.Count); // select lower rectangle
}
/// <inheritdoc />
public override void VisitRelation(Entities.Relation relation)
{
string actualValue;
var modelRelation = new Relation()
{
Id = relation.Id,
Tags = relation.Tags,
};
if (relation.Tags != null && relation.Tags.TryGetValue("type", out actualValue) &&
actualValue == "multipolygon")
{
// TODO use object pool
modelRelation.Areas = new List <Area>(relation.Members.Count);
MultipolygonProcessor.FillAreas(relation, modelRelation.Areas);
}
ModelLoader.LoadRelation(Tile, modelRelation);
}
