This is a lovely toy project. But please do not do this for real; imperfections - even minute imperfections - in data visualisations have consequences. 'Non-tec

This is a lovely toy project. But please do not do this for real; imperfections - even minute imperfections - in data visualisations have consequences. 'Non-techy' people take for granted shapes and lines over numbers and sequences simply because computers are accurate. Correctness of data is a separate matter of course