public void GeoCompositeRegion_Empty()
{
// Verify that empty regions don't barf.
var comp = new GeoCompositeRegion(new GeoRegion[0]);
Assert.IsFalse(comp.Contains(0, 0));
Assert.IsFalse(comp.Contains(10, 10));
}
public void GeoCompositeRegion_Additive()
{
GeoCompositeRegion comp;
// Create a composite region of two disjoint rectangles.
comp = new GeoCompositeRegion(
new GeoRegion[] {
new GeoRectangle(30, 30, 0, 0),
new GeoRectangle(30, -30, 0, -60)
});
Assert.IsTrue(comp.Contains(15, -45));
Assert.IsTrue(comp.Contains(15, 15));
Assert.IsFalse(comp.Contains(15, -15));
Assert.IsFalse(comp.Contains(45, 15));
Assert.IsFalse(comp.Contains(-15, -45));
// Create a composite region of two overlapping rectangles.
comp = new GeoCompositeRegion(
new GeoRegion[] {
new GeoRectangle(30, 30, 0, 0),
new GeoRectangle(15, 15, -15, -15)
});
Assert.IsTrue(comp.Contains(15, 15));
Assert.IsTrue(comp.Contains(0, 0));
Assert.IsFalse(comp.Contains(20, -5));
Assert.IsFalse(comp.Contains(-5, 20));
Assert.IsFalse(comp.Contains(0, -20));
// Create a composite region with an additive subregion that's also composite.
comp = new GeoCompositeRegion(
new GeoRegion[] {
new GeoCircle(80, 80, 10, GeoHelper.EarthRadiusMiles),
new GeoCompositeRegion(
new GeoRegion[] {
new GeoRectangle(30, 30, 0, 0),
new GeoRectangle(30, -30, 0, -60)
})
});
Assert.IsTrue(comp.Contains(80, 80));
Assert.IsTrue(comp.Contains(15, -45));
Assert.IsTrue(comp.Contains(15, 15));
Assert.IsFalse(comp.Contains(15, -15));
Assert.IsFalse(comp.Contains(45, 15));
Assert.IsFalse(comp.Contains(-15, -45));
}
public void GeoCompositeRegion_Bounds()
{
var comp = new GeoCompositeRegion(
new GeoRegion[] {
new GeoRectangle(30, 30, 0, 0),
new GeoRectangle(15, 15, -15, -15)
});
Assert.AreEqual(new GeoRectangle(30, 30, -15, -15), comp.Bounds);
// Verify that the bounds are restored after serialization.
comp = new GeoCompositeRegion(comp.ToString());
Assert.AreEqual(new GeoRectangle(30, 30, -15, -15), comp.Bounds);
}
public void GeoCompositeRegion_Subtractive()
{
GeoCompositeRegion comp;
// Create a composite region by making a rectangular hole in
// the middle of a rectangle.
comp = new GeoCompositeRegion(
new GeoRegion[] {
new GeoRectangle(30, 30, -30, -30)
},
new GeoRegion[] {
new GeoRectangle(15, 15, -15, -15)
});
Assert.IsFalse(comp.Contains(0, 0));
Assert.IsTrue(comp.Contains(20, 0));
Assert.IsTrue(comp.Contains(0, 20));
Assert.IsTrue(comp.Contains(-20, 0));
Assert.IsTrue(comp.Contains(0, -20));
}
public void GeoCompositeRegion_Serialize()
{
GeoCompositeRegion comp;
GeoPolygon poly;
// Test additive regions only
comp = new GeoCompositeRegion(
new GeoRegion[] {
new GeoRectangle(30, 30, -30, -30),
new GeoCircle(0, 0, 20, GeoHelper.EarthRadiusMiles),
new GeoPolygon(
new GeoCoordinate[] {
new GeoCoordinate(0, 0),
new GeoCoordinate(20, 20),
new GeoCoordinate(0, 30)
})
});
comp = (GeoCompositeRegion)GeoRegion.Parse(comp.ToString());
Assert.AreEqual(3, comp.AdditiveRegions.Count);
Assert.IsTrue(new GeoRectangle(30, 30, -30, -30) == (GeoRectangle)comp.AdditiveRegions[0]);
Assert.IsTrue(new GeoCircle(0, 0, 20, GeoHelper.EarthRadiusMiles) == (GeoCircle)comp.AdditiveRegions[1]);
poly = (GeoPolygon)comp.AdditiveRegions[2];
Assert.AreEqual(3, poly.Vertices.Count);
Assert.AreEqual(new GeoCoordinate(0, 0), poly.Vertices[0]);
Assert.AreEqual(new GeoCoordinate(20, 20), poly.Vertices[1]);
Assert.AreEqual(new GeoCoordinate(0, 30), poly.Vertices[2]);
Assert.IsNull(comp.SubtractiveRegions);
// Test additive and subtractive regions
comp = new GeoCompositeRegion(
new GeoRegion[] {
new GeoRectangle(10, 10, 0, 0)
},
new GeoRegion[] {
new GeoRectangle(30, 30, -30, -30),
new GeoCircle(0, 0, 20, GeoHelper.EarthRadiusMiles),
new GeoPolygon(
new GeoCoordinate[] {
new GeoCoordinate(0, 0),
new GeoCoordinate(20, 20),
new GeoCoordinate(0, 30)
})
});
comp = (GeoCompositeRegion)GeoRegion.Parse(comp.ToString());
Assert.AreEqual(1, comp.AdditiveRegions.Count);
Assert.IsTrue(new GeoRectangle(10, 10, 0, 0) == (GeoRectangle)comp.AdditiveRegions[0]);
Assert.AreEqual(3, comp.SubtractiveRegions.Count);
Assert.IsTrue(new GeoRectangle(30, 30, -30, -30) == (GeoRectangle)comp.SubtractiveRegions[0]);
Assert.IsTrue(new GeoCircle(0, 0, 20, GeoHelper.EarthRadiusMiles) == (GeoCircle)comp.SubtractiveRegions[1]);
poly = (GeoPolygon)comp.SubtractiveRegions[2];
Assert.AreEqual(3, poly.Vertices.Count);
Assert.AreEqual(new GeoCoordinate(0, 0), poly.Vertices[0]);
Assert.AreEqual(new GeoCoordinate(20, 20), poly.Vertices[1]);
Assert.AreEqual(new GeoCoordinate(0, 30), poly.Vertices[2]);
}
