Daniel said in an email that CSV files are problematic for cultures where commas are used as decimal indicators.

Modify CSV formatting lines to force a period to be used as a decimal indicator. I think this change must be made in two places in the code base:

https://github.com/swharden/ScottPlot/blob/e47e7c9b3c92a6b0dc0652b4ae56203ce51b7d88/src/ScottPlot/plottables/PlottableSignalBase.cs#L366-L372

https://github.com/swharden/ScottPlot/blob/e47e7c9b3c92a6b0dc0652b4ae56203ce51b7d88/src/ScottPlot/plottables/PlottableScatter.cs#L212-L218