/// <summary>
/// This is the method that actually does the work.
/// </summary>
/// <param name="DA">The DA object is used to retrieve from inputs and store in outputs.</param>
protected override void SolveInstance(IGH_DataAccess DA)
{
IMesh old = new IMesh();
DA.GetData(0, ref old);
IMesh mesh = IModifier.DualMesh(old);
DA.SetData(0, mesh);
}