From: Fleck Jean-Julien Date: 2009-11-28T06:04:03+09:00 Subject: Re: Heatmaps in Ruby Hello, > Am interested in all suggestions ;) You could be interested in Tioga which can do exactly what you are looking for. See the many examples given in the tutorial. http://www.itp.ucsb.edu/~paxton/tioga.html Cheers, -- JJ Fleck PCSI1 Lycée Kléber