/// <summary>
/// Get the geometry in this collection that falls within the specified axis-aligned bounding box
/// </summary>
/// <param name="bounds">The bounding box to check</param>
/// <param name="inclusive">If true, the output can include objects that lie partially within the bounds, else
/// the geometry must be entirely contained by the box to be included</param>
/// <param name="addToThis">The output collection, to which passing geometry should be added</param>
public void GeometryInBounds(BoundingBox bounds, bool inclusive, VertexGeometryCollection <TShape> addToThis)
{
foreach (TShape vG in this)
{
if (!addToThis.Contains(vG.GUID) && (inclusive && bounds.Overlaps(vG)) || (!inclusive && bounds.Contains(vG)))
{
addToThis.Add(vG);
}
}
}
/// <summary>
/// Get the geometry in this table that falls within the specified axis-aligned bounding box
/// </summary>
/// <param name="bounds">The bounding box to check</param>
/// <param name="inclusive">If true, the output can include objects that lie partially within the bounds, else
/// the geometry must be entirely contained by the box to be included</param>
/// <param name="visibleLayersOnly">If true (default) only layers which are currently visible will be considered</param>
public VertexGeometryCollection GeometryInBounds(BoundingBox bounds, bool inclusive, bool visibleLayersOnly = true)
{
var result = new VertexGeometryCollection();
foreach (GeometryLayer layer in this)
{
if (!visibleLayersOnly || layer.Visible)
{
layer.GeometryInBounds(bounds, inclusive, result);
}
}
return(result);
}
/// <summary>
/// Get all the geometry objects contained within this layer table as
/// a single flat collection
/// </summary>
/// <returns></returns>
public VertexGeometryCollection AllGeometry()
{
var result = new VertexGeometryCollection();
foreach (GeometryLayer layer in this)
{
foreach (VertexGeometry geometry in layer)
{
result.Add(geometry);
}
}
return(result);
}