Do it at the input stage? i.e. have several series of various colours that construct themselves from your data according to various criteria?
@NickCJ started
London Fixed Gear and Single-Speed is a community of predominantly fixed gear and single-speed cyclists in and around London, UK.
This site is supported almost exclusively by donations. Please consider donating a small amount regularly.
Do it at the input stage? i.e. have several series of various colours that construct themselves from your data according to various criteria?