/// <summary>
/// Returns an instance of <see cref="IRectangle"/> representing the bounding box of the specified GeoJSON <paramref name="collection"/>.
/// </summary>
/// <param name="collection">The feature collection.</param>
/// <returns>An instance of <see cref="IRectangle"/>.</returns>
/// <exception cref="ArgumentNullException"><paramref name="collection"/> is <c>null</c>.</exception>
/// <exception cref="InvalidOperationException"><paramref name="collection"/> is empty.</exception>
public static IRectangle GetBoundingBox(GeoJsonFeatureCollection collection)
{
if (collection == null)
{
throw new ArgumentNullException(nameof(collection));
}
if (collection.Features.Count == 0)
{
throw new InvalidOperationException(nameof(collection));
}
List <IPoint> points = new List <IPoint>();
foreach (GeoJsonFeature feature in collection.Features)
{
IRectangle bbox = GetBoundingBox(feature);
if (bbox != null)
{
points.Add(bbox.SouthWest);
points.Add(bbox.NorthEast);
}
}
return(points.Count == 0 ? null : MapsUtils.GetBoundingBox(points));
}
/// <inheritdoc />
public IRectangle GetBoundingBox()
{
if (_lineStrings.Count == 0)
{
throw new InvalidOperationException("This MultiLineString does not contain any LineString.");
}
return(MapsUtils.GetBoundingBox(_lineStrings.SelectMany(x => x.Points)));
}
/// <summary>
/// Returns the bounding box of the specified collection of <paramref name="polygons"/>.
/// </summary>
/// <param name="polygons">A collection of polygons.</param>
/// <returns>An instance of <see cref="IRectangle"/> representing the bounding box.</returns>
public static IRectangle GetBoundingBox(this IEnumerable <IPolygon> polygons)
{
if (polygons == null)
{
throw new ArgumentNullException(nameof(polygons));
}
return(MapsUtils.GetBoundingBox(polygons.SelectMany(x => x.Outer)));
}
/// <summary>
/// Returns a new rectangle representing the bounding box of this multi polygon.
/// </summary>
/// <returns>An instance of <see cref="IRectangle"/>.</returns>
public IRectangle GetBoundingBox()
{
return(MapsUtils.GetBoundingBox(Polygons.SelectMany(x => x.Outer)));
}
/// <summary>
/// Returns an instance of <see cref="IRectangle"/> representing the bounding box of the polygon.
/// </summary>
/// <returns>An instance of <see cref="IRectangle"/>.</returns>
public IRectangle GetBoundingBox()
{
return(MapsUtils.GetBoundingBox(Outer));
}
/// <summary>
/// Returns a new rectangle representing the bounding box of this line string.
/// </summary>
/// <returns>An instance of <see cref="IRectangle"/>.</returns>
public IRectangle GetBoundingBox()
{
return(MapsUtils.GetBoundingBox(Points));
}