SampleApp.MainForm.btnProject_Click C# (CSharp) Method

        private void btnProject_Click(object sender, EventArgs e)
        {
            if (kda == null || dgvProjectionSource.DataSource == null)
            {
                MessageBox.Show("Please compute the analysis first.");
                return;
            }

            // Save any pending changes 
            dgvProjectionSource.EndEdit();

            // Creates a matrix from the source data table
            double[,] sourceMatrix = (dgvProjectionSource.DataSource as DataTable).ToMatrix(out columnNames);

            // Gets only the X and Y
            double[,] data = sourceMatrix.Submatrix(0, sourceMatrix.GetLength(0) - 1, 0, 1);

            // Perform the transformation of the data using two components
            double[,] result = kda.Transform(data, 2);

            // Create a new plot with the original Z column
            double[,] graph = new double[sourceMatrix.GetLength(0), 3];
            for (int i = 0; i < graph.GetLength(0); i++)
            {
                graph[i, 0] = result[i, 0];
                graph[i, 1] = result[i, 1];
                graph[i, 2] = sourceMatrix[i, 2];
            }

            // Create output scatter plot
            outputScatterplot.DataSource = graph;
            createMappingScatterplot(graphMapFeature, graph);

            // Create output table
            dgvProjectionResult.DataSource = new ArrayDataView(graph, columnNames);
        }