/// <summary>
///
/// </summary>
/// <param name="node"></param>
/// <param name="addEnv"></param>
/// <returns></returns>
public static Node CreateExpanded(Node node, IEnvelope addEnv)
{
IEnvelope expandEnv = new Envelope(addEnv);
if (node != null)
expandEnv.ExpandToInclude(node.env);
Node largerNode = CreateNode(expandEnv);
if (node != null)
largerNode.InsertNode(node);
return largerNode;
}
/// <summary>
/// Transforms a <see cref="Envelope"/>.
/// </summary>
/// <param name="box">BoundingBox to transform</param>
/// <param name="transform">Math Transform</param>
/// <returns>Transformed object</returns>
public static IEnvelope TransformBox(IEnvelope box, IMathTransform transform)
{
if (box == null)
return null;
double[][] corners = new double[4][];
corners[0] = transform.Transform(ToLightStruct(box.MinX, box.MinY)); //LL
corners[1] = transform.Transform(ToLightStruct(box.MaxX, box.MaxY)); //UR
corners[2] = transform.Transform(ToLightStruct(box.MinX, box.MaxY)); //UL
corners[3] = transform.Transform(ToLightStruct(box.MaxX, box.MinY)); //LR
IEnvelope result = new Envelope();
foreach (double[] p in corners)
result.ExpandToInclude(p[0], p[1]);
return result;
}
/// <summary>
///
/// </summary>
/// <returns></returns>
protected override IEnvelope ComputeEnvelopeInternal()
{
IEnvelope envelope = new Envelope();
for (int i = 0; i < geometries.Length; i++)
envelope.ExpandToInclude(geometries[i].EnvelopeInternal);
return envelope;
}
