Polar Axis Styling

ScottPlot.Plot myPlot = new();

var polarAxis = myPlot.Add.PolarAxis();

// style the spokes (straight lines extending from the center to mark rotations)
var radialPalette = new ScottPlot.Palettes.Category10();
for (int i = 0; i < polarAxis.Spokes.Count; i++)
{
    polarAxis.Spokes[i].LineColor = radialPalette.GetColor(i).WithAlpha(.5);
    polarAxis.Spokes[i].LineWidth = 4;
    polarAxis.Spokes[i].LabelStyle.ForeColor = radialPalette.GetColor(i);
    polarAxis.Spokes[i].LabelStyle.FontSize = 16;
    polarAxis.Spokes[i].LabelStyle.Bold = true;
}

// style the circles (concentric circles marking radius positions)
var circularColormap = new ScottPlot.Colormaps.Rain();
for (int i = 0; i < polarAxis.Circles.Count; i++)
{
    double fraction = (double)i / (polarAxis.Circles.Count - 1);
    polarAxis.Circles[i].LineColor = circularColormap.GetColor(fraction).WithAlpha(.5);
    polarAxis.Circles[i].LineWidth = 2;
    polarAxis.Circles[i].LinePattern = LinePattern.Dashed;
}

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