double[,] data = SampleData.MonaLisa();
var hm1 = myPlot.Add.Heatmap(data);

// MonaLisa is sized 65 x 100 pixels.
// With normal scaling, it's bottom left corner will plot at -0.5, -0.5. and its top right corner at 64.5, 99.5
myPlot.Axes.SetLimits(-1, 65, -1, 100);
myPlot.SavePng("MonaLisaSquareScaling.png", 650, 1000);
myPlot.Title("Square Scaling: Vertical Extent Should be 0 to 100");

// If we scale the horizontal extent (x100) the bottom left corner should be at -50, -0.5 and the top corner at 6450, 99.5
hm1.Extent = new(0, 6500, 0, 100);
myPlot.Axes.SetLimits(-60, 6460, -60, 160);
myPlot.Title("100x Horizontal Scaling: Vertical Extent Should be 0 to 100");
myPlot.SavePng("MonaLisa100xHorizontalScaling.png", 650, 1000);