internal static Geometries.Polygon ToSharpMapPolygon(Polygon polygon)
{
Geometries.LinearRing exteriorRing = ToSharpMapLinearRing((LinearRing)polygon.ExteriorRing);
Collection <Geometries.LinearRing> interiorRings = new Collection <Geometries.LinearRing>();
foreach (LineString interiorRing in polygon.InteriorRings)
{
interiorRings.Add(ToSharpMapLinearRing((LinearRing)interiorRing));
}
return(new Geometries.Polygon(exteriorRing, interiorRings));
}
/// <summary>
/// Converts the <see cref="SharpMap.Geometries.BoundingBox"/> instance <paramref name="boundingBox"/>
/// into a correspondant <see cref="SharpMap.Geometries.Polygon"/>.
/// </summary>
/// <param name="boundingBox"></param>
/// <returns></returns>
public static Geometries.Geometry ToSharpMapGeometry(BoundingBox boundingBox)
{
Collection <Point> vertices = new Collection <Point>();
vertices.Add(new Point(boundingBox.Min.X, boundingBox.Min.Y));
vertices.Add(new Point(boundingBox.Max.X, boundingBox.Min.Y));
vertices.Add(new Point(boundingBox.Max.X, boundingBox.Max.Y));
vertices.Add(new Point(boundingBox.Min.X, boundingBox.Max.Y));
vertices.Add(new Point(boundingBox.Min.X, boundingBox.Min.Y));
Geometries.LinearRing exterior = new Geometries.LinearRing(vertices);
return(new Geometries.Polygon(exterior));
}
internal static LinearRing ToNTSLinearRing(Geometries.LinearRing linearRing,
GeometryFactory factory)
{
Coordinate[] coordinates = new Coordinate[linearRing.NumPoints];
int index = 0;
foreach (Point point in linearRing.Vertices)
{
coordinates[index++] = ToNTSCoordinate(point, factory);
}
return(factory.CreateLinearRing(coordinates) as LinearRing);
}
/// <summary>
/// Converts the <see cref="SharpMap.Geometries.BoundingBox"/> instance <paramref name="boundingBox"/>
/// into a correspondant <see cref="SharpMap.Geometries.Polygon"/>.
/// </summary>
/// <param name="boundingBox"></param>
/// <returns></returns>
public static Geometries.Geometry ToSharpMapGeometry(BoundingBox boundingBox)
{
Collection<Point> vertices = new Collection<Point>();
vertices.Add(new Point(boundingBox.Min.X, boundingBox.Min.Y));
vertices.Add(new Point(boundingBox.Max.X, boundingBox.Min.Y));
vertices.Add(new Point(boundingBox.Max.X, boundingBox.Max.Y));
vertices.Add(new Point(boundingBox.Min.X, boundingBox.Max.Y));
vertices.Add(new Point(boundingBox.Min.X, boundingBox.Min.Y));
Geometries.LinearRing exterior = new Geometries.LinearRing(vertices);
return new Geometries.Polygon(exterior);
}
