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;
        }