It appears that there is a limit (quite low ~ 500) of vertical grid lines that can be represented in a matplotlib graph. I attached 3 graphs with minor grids 👍 4hoursinterval-bad has ~ 300 vertical ...

I often have the situation where I have some number of plots I'd like to display that may vary, and I don't want to fiddle around with how many rows and how many columns and such. I think it would be ...