/// <summary>
 ///
 /// </summary>
 /// <param name="errorType"></param>
 /// <param name="pt"></param>
 public TopologyValidationError(TopologyValidationErrors errorType, ICoordinate pt)
 {
     this.errorType = errorType;
     if (pt != null)
     {
         this.pt = (ICoordinate)pt.Clone();
     }
 }
 /// <summary>
 /// 
 /// </summary>
 /// <param name="errorType"></param>
 public TopologyValidationError(TopologyValidationErrors errorType) : this(errorType, null) { }
 /// <summary>
 /// 
 /// </summary>
 /// <param name="errorType"></param>
 /// <param name="pt"></param>
 public TopologyValidationError(TopologyValidationErrors errorType, ICoordinate pt)
 {
     this.errorType = errorType;
     if(pt != null)
         this.pt = (ICoordinate) pt.Clone();
 }
 /// <summary>
 ///
 /// </summary>
 /// <param name="errorType"></param>
 public TopologyValidationError(TopologyValidationErrors errorType) : this(errorType, null)
 {
 }