private void buttonCalcMetrics_Click(object sender, EventArgs e)
        {
            Cursor.Current = Cursors.WaitCursor;
            try
            {
                string key = comboBoxMoving.SelectedValue.ToString();
                List <sitk.VectorOfParameterMap> map = registrationParameters.TransformationParameterMap[key];

                /*string parametersFilename = registrationParameters.OutputDirectory + "\\1\\TransformParameters.0.txt";
                 * List<sitk.VectorOfParameterMap> map = new List<sitk.VectorOfParameterMap>();
                 * map.Add(InvertTransformParameters(parametersFilename));*/

                registrationParameters.MovingImagePointSetFilename = filenameMovingPointSet;
                registrationParameters.FixedImagePointSetFilename  = filenameFixedPointSet;

                string filenameOutputPoints  = VisualizationEvaluationUtils.TransfromPointSet(map, registrationParameters);
                var    movingPointsDict      = ReadWriteUtils.ReadFixedPointSet(filenameMovingPointSet).Values.ToList();
                var    transformedPointsDict = ReadWriteUtils.ReadTransformedPointSets(filenameOutputPoints).Values.ToList();

                RegistrationError registrationError = VisualizationEvaluationUtils.GetRegistrationError(movingPointsDict, transformedPointsDict);

                labelMeanDiff.Text = registrationError.MeanRegistrationError.ToString("0.###");
                labelStdDev.Text   = registrationError.StdDevRegistrationError.ToString("0.###");
                labelMax.Text      = registrationError.MaximumRegistrationError.ToString("0.###");
            } catch (Exception ex)
            {
                Console.WriteLine(ex);
            }

            Cursor.Current = Cursors.Default;
        }
 /// <summary>
 /// Only for debug / evaluation use.
 /// </summary>
 /// <param name="pointsetFixed"></param>
 /// <param name="pointsetMov"></param>
 private void CalculateTRE(string pointsetFixed, string pointsetMov)
 {
     var fixedPointsDict = ReadWriteUtils.ReadFixedPointSet(pointsetFixed).Values.ToList();
     var movPointsDict   = ReadWriteUtils.ReadFixedPointSet(pointsetMov).Values.ToList();
     RegistrationError registrationError = VisualizationEvaluationUtils.GetRegistrationError(fixedPointsDict, movPointsDict);
     //Console.WriteLine(string.Format("Absolute TRE: {0}", registrationError.AbsoluteRegistrationError));
     //Console.WriteLine(string.Format("Max TRE: {0}", registrationError.MaximumRegistrationError));
     //Console.WriteLine(string.Format("Mean TRE: {0}", registrationError.MeanRegistrationError));
     //Console.WriteLine(string.Format("Std deviation RE: {0}", registrationError.StdDevRegistrationError));
 }