/// <summary>
/// Method to query all the ids of features in this node that intersect the box defined
/// by <paramref name="minx"/>, <paramref name="miny"/>, <paramref name="maxx"/>
/// and <paramref name="maxy"/>
/// </summary>
/// <param name="minx">The lower x-ordinate</param>
/// <param name="miny">The lower y-ordinate</param>
/// <param name="maxx">The upper x-ordinate</param>
/// <param name="maxy">The upper y-ordinate</param>
/// <param name="fidList">A list of feature ids to add to</param>
/// <returns>An enumeration of feature ids</returns>
internal void QueryFids(byte minx, byte miny, byte maxx, byte maxy, List <uint> fidList)
{
if (ContainedBy(minx, miny, maxx, maxy))
{
AddAllFidsInNode(fidList);
return;
}
foreach (var feature in this)
{
if (feature.Intersects(minx, maxx, miny, maxy))
{
fidList.Add(feature.Fid);
}
}
if (Nid < _tree.FirstLeafNodeId)
{
if (Child1.Intersects(minx, miny, maxx, maxy))
{
Child1.QueryFids(minx, miny, maxx, maxy, fidList);
}
if (Child2.Intersects(minx, miny, maxx, maxy))
{
Child2.QueryFids(minx, miny, maxx, maxy, fidList);
}
}
}