/// <summary>
 /// Initializes a new instance of <see cref="TriangleController"/>.
 /// </summary>
 /// <param name="triangleService">Service for calculating triangle coordinates and cells in a geometric layout.</param>
 public TriangleController(ITriangeService triangleService)
 {
     this.triangleService = triangleService;
 }
 public TrianglesController(ITriangeService triangeService)
 {
     _helper = triangeService;
 }