@MikeStucka @palewire @akesslerdc @jeremybowers @A_L @LazaroGamio I think Jaques Bertin is more likely. There were definitely some maps close to spike maps in his Semiology of Graphics book from 1967. Something like this: https://t.co/k3bOxfXobr
@MikeStucka @palewire @akesslerdc @jeremybowers @A_L @LazaroGamio I think Jaques Bertin is more likely. There were definitely some maps close to spike maps in his Semiology of Graphics book from 1967. Something like this: https://t.co/k3bOxfXobr