/// <summary>
/// Gets the points from a rectangular outline surrounding the subregion bounding box.
/// </summary>
/// <param name="subregion">The subregion.</param>
/// <returns>The points.</returns>
public static IList <XYZ> GetPointsFromSubregionRough(TopographySurface subregion)
{
BoundingBoxXYZ bbox = subregion.get_BoundingBox(null);
// Get toposurface points
TopographySurface toposurface = GetTopographySurfaceHost(subregion);
Outline outline = new Outline(bbox.Min, bbox.Max);
IList <XYZ> points = toposurface.FindPoints(outline);
return(points);
}