public void CanPolygonBoundaryPreserveCurves()
{
var polygon = GeometryFactory.CreateBezierCircle();
Assert.True(polygon.HasCurves, "Oops, original polygon has no curves");
var boundary = GeometryUtils.Boundary(polygon);
Assert.NotNull(boundary);
Assert.AreEqual(GeometryType.Polyline, boundary.GeometryType);
Assert.True(boundary.HasCurves, "did not preserve curves");
Assert.AreEqual(polygon.PointCount, boundary.PointCount);
}
public static Geometry CreateMarkerGeometry(MarkerStyle style)
{
switch (style)
{
case MarkerStyle.Circle:
return(GeometryFactory.CreateBezierCircle(5));
case MarkerStyle.Square:
var envelope = GeometryFactory.CreateEnvelope(-5, -5, 5, 5);
return(GeometryFactory.CreatePolygon(envelope));
default:
throw new NotImplementedException(
"Sorry, this MarkerStyle is not yet implemented");
}
}
public void CanCreateBezierCircle()
{
const double radius = 5.0;
var center = MapPointBuilder.CreateMapPoint(1, 2);
const double delta = 0.000001;
var circle = GeometryFactory.CreateBezierCircle(radius, center);
Assert.AreEqual(1, circle.PartCount);
Assert.AreEqual(5, circle.PointCount);
Assert.AreEqual(GeometryType.Polygon, circle.GeometryType);
Assert.AreEqual(10.0, circle.Extent.Width, delta);
Assert.AreEqual(10.0, circle.Extent.Height, delta);
Assert.AreEqual(center.X, circle.Extent.Center.X, delta);
Assert.AreEqual(center.Y, circle.Extent.Center.Y, delta);
const double circumference = 2.0 * radius * Math.PI;
Assert.AreEqual(circumference, circle.Length, 0.01);
}
