ScottPlot.Plot myPlot = new ScottPlot.Plot();

            double[,] data = {
                { 1, 2, 3 },
                { 4, 5, 6 },
                { 7, 8, 9 },
            };

            // add a heatmap to the plot

            myPlot.Add.Heatmap(data);

            myPlot.SavePng("demo.png", 400, 300);
            myPlot.SaveSvg("demo.svg", 400, 300);