/// <summary>
/// Gets all non-boundary points from a TopographySurface or Subregion.
/// </summary>
/// <param name="toposurface">The TopographySurface or Subregion.</param>
/// <returns>The non-boundary points.</returns>
public static IList <XYZ> GetNonBoundaryPoints(TopographySurface toposurface)
{
IList <XYZ> existingPoints = toposurface.GetPoints();
// Remove boundary points from the list.
IList <XYZ> boundaryPoints = toposurface.GetBoundaryPoints();
foreach (XYZ boundaryPoint in boundaryPoints)
{
foreach (XYZ existingPoint in existingPoints)
{
if (boundaryPoint.IsAlmostEqualTo(existingPoint, 1e-05))
{
existingPoints.Remove(existingPoint);
break;
}
}
}
return(existingPoints);
}