ScottPlot.NET
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Tick Density

Tick density can be adjusted as a fraction of the default value. Unlike MinimumTickSpacing, this strategy is aware of the size of tick labels and adjusts accordingly.

This code sample is specific to ScottPlot 5 (details)
ScottPlot.Plot myPlot = new();

myPlot.Add.Signal(Generate.Sin(51));
myPlot.Add.Signal(Generate.Cos(51));

ScottPlot.TickGenerators.NumericAutomatic tickGenX = new();
tickGenX.TickDensity = 0.2;
myPlot.Axes.Bottom.TickGenerator = tickGenX;

ScottPlot.TickGenerators.NumericAutomatic tickGenY = new();
tickGenY.TickDensity = 0.2;
myPlot.Axes.Left.TickGenerator = tickGenY;

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

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