/// <summary>
/// Set the id of the STAC Collection this Item references to
/// see <seealso href="https://github.com/radiantearth/stac-spec/blob/master/item-spec/item-spec.md#relation-types">collection relation type</seealso>.
/// </summary>
/// <param name="stacItem">stacItem to set the collection to</param>
/// <param name="collectionId">identifier of the collection</param>
/// <param name="collectionUri">uri to the collection</param>
/// <param name="collectionTitle">optional title of the collection</param>
public static void SetCollection(this StacItem stacItem, string collectionId, Uri collectionUri, string collectionTitle = null)
{
var existingLink = stacItem.Links.FirstOrDefault(l => l.Uri == collectionUri);
if (existingLink != null)
{
stacItem.Links.Remove(existingLink);
}
stacItem.Links.Add(StacLink.CreateCollectionLink(collectionUri));
stacItem.Collection = collectionId;
}
public StacItem(StacItem stacItem) : base(Preconditions.CheckNotNull(stacItem, "stacItem").Geometry,
new Dictionary <string, object>(Preconditions.CheckNotNull(stacItem).Properties),
Preconditions.CheckNotNull(stacItem, "id").Id)
{
this.StacExtensions = new SortedSet <string>(stacItem.StacExtensions);
this.Root = new StacItemRootPropertyContainer(this);
this.StacVersion = stacItem.StacVersion;
this.Links = new ObservableCollection <StacLink>(stacItem.Links);
(Links as ObservableCollection <StacLink>).CollectionChanged += LinksCollectionChanged;
this.Assets = new Dictionary <string, StacAsset>(stacItem.Assets);
this.Collection = stacItem.Collection;
}
public static double[] GetBoundingBoxFromGeometryExtent(this StacItem stacItem)
{
var boundingBoxes = stacItem.Geometry.GetBoundingBox();
if (boundingBoxes[0].Altitude.HasValue)
{
return new double[] {
boundingBoxes[0].Longitude, boundingBoxes[0].Latitude, boundingBoxes[0].Altitude.Value,
boundingBoxes[1].Longitude, boundingBoxes[1].Latitude, boundingBoxes[1].Altitude.Value,
}
}
;
else
{
return new double[] {
boundingBoxes[0].Longitude, boundingBoxes[0].Latitude,
boundingBoxes[1].Longitude, boundingBoxes[1].Latitude,
}
};
}
public StacItemRootPropertyContainer(StacItem stacItem)
{
this.stacItem = stacItem;
properties = new Dictionary <string, object>();
}
/// <summary>
/// Gets the collection of the Item as a StacLink
/// </summary>
/// <param name="stacItem"></param>
/// <returns>a Stac Link</returns>
public static StacLink GetCollection(this StacItem stacItem)
{
return(stacItem.Links.FirstOrDefault(l => l.RelationshipType == "collection"));
}