public void TestCalculateBounds()
{
Ring r = new Ring();
r.Points.Add(new Point(0.5,0));
r.Points.Add(new Point(0,0.5));
r.Points.Add(new Point(0.5,1));
r.Points.Add(new Point(1,0.5));
r.Close();
Assert.AreEqual(new Rectangle(0,0,1,1), r.CalculateBounds());
}
public void TestCalculateArea()
{
Ring r = new Ring();
r.Points.Add(new Point(0,0));
r.Points.Add(new Point(0,1));
r.Points.Add(new Point(1,1));
r.Points.Add(new Point(1,0));
r.Close();
Assert.AreEqual(1, r.CalculateArea());
}
public void TestClose()
{
Ring r = new Ring();
r.Points.Add(new Point(0,0));
r.Points.Add(new Point(0,1));
r.Points.Add(new Point(1,1));
r.Points.Add(new Point(1,0));
Assert.IsFalse(r.IsClosed);
r.Close();
Assert.IsTrue(r.IsClosed);
}
public void TestCreateFromPolygon()
{
Polygon p = new Polygon();
Ring r1 = new Ring();
r1.Points.Add(new Point(0,0));
r1.Points.Add(new Point(0, 5));
r1.Points.Add(new Point(5,6));
r1.Points.Add(new Point(5,0));
r1.Close();
p.Rings.Add(r1);
Assert.AreEqual("POLYGON((0 0,0 5,5 6,5 0,0 0))", WellKnownText.CreateFromPolygon(p));
// add hole
Ring r2 = new Ring();
r2.Points.Add(new Point(1.1,1.1));
r2.Points.Add(new Point(1.6,1.1));
r2.Points.Add(new Point(1.4,1.4));
r2.Points.Add(new Point(1.1,1.6));
r2.Close();
p.Rings.Add(r2);
Assert.AreEqual("POLYGON((0 0,0 5,5 6,5 0,0 0),(1.1 1.1,1.6 1.1,1.4 1.4,1.1 1.6,1.1 1.1))",
WellKnownText.CreateFromPolygon(p));
// add another poly
Ring r3 = new Ring();
r3.Points.Add(new Point(10,10));
r3.Points.Add(new Point(10,15));
r3.Points.Add(new Point(15,15));
r3.Points.Add(new Point(15,10));
r3.Close();
p.Rings.Add(r3);
Assert.AreEqual("MULTIPOLYGON(((0 0,0 5,5 6,5 0,0 0),(1.1 1.1,1.6 1.1,1.4 1.4,1.1 1.6,1.1 1.1)),((10 10,10 15,15 15,15 10,10 10)))",
WellKnownText.CreateFromPolygon(p));
}
public void TestNotIsClockwise()
{
Ring r = new Ring();
r.Points.Add(new Point(0,0));
r.Points.Add(new Point(1,0));
r.Points.Add(new Point(1,1));
r.Points.Add(new Point(0,1));
r.Close();
Assert.IsFalse(r.IsClockwise);
}
public Ring Simplify(double tolerance)
{
Ring r = new Ring();
r.points = new List<Point>(this.points);
if (r.IsClosed)
{
r.points.RemoveAt(r.Points.Count-1);
}
r.points = Simplificator.Simplify(r.points, tolerance, true);
r.Close();
return r;
}
public void TestSimpleFeatureSourceSerialization()
{
Map m = new Map();
Layer l = new Layer();
SimpleFeatureSource sfs = new SimpleFeatureSource(FeatureType.Polygon);
Polygon p = new Polygon();
Ring r = new Ring();
r.Points.Add(new Point(0,0));
r.Points.Add(new Point(0,5));
r.Points.Add(new Point(5,5));
r.Points.Add(new Point(5,0));
r.Close();
p.Rings.Add(r);
Ring hole = new Ring();
hole.Points.Add(new Point(1,1));
hole.Points.Add(new Point(2,1));
hole.Points.Add(new Point(2,2));
hole.Points.Add(new Point(2,1));
hole.Close();
p.Rings.Add(hole);
sfs.Features.Add(p);
l.Data = sfs;
m.Layers.Add(l);
MapSerializer ms = new MapSerializer();
string s = MapSerializer.Serialize(m);
Map m2 = ms.Deserialize(new MemoryStream(UTF8Encoding.UTF8.GetBytes((s))));
Assert.AreEqual(1, m2.Layers.Count);
Assert.AreEqual(1, (m2.Layers[0].Data as SimpleFeatureSource).Features.Count);
Assert.AreEqual(2, ((m2.Layers[0].Data as SimpleFeatureSource).Features[0] as Polygon).Rings.Count);
}
