I use geo chart a *lot* and want to produce colormaps which are distinctly non-linear.
An example might be: Ipv6 uptake worldwide varies by 0.01 through 0.5 to 10+ http://labs.apnic.net/index.shtml has var mapOptions = { legend: { position: 'none' }, region: '053', resolution: 'countries', width: 620, height: 365, colorAxis: { minValue: 0, maxValue: 10, colors: ['#FF0000', '#FFBB00', '#FAA005', '#FAB905', '#D5FA05', '#FFF700', '#F2FA05', '#00FF00', '#00FF44', '#00FFAA'] } }; Aha you say.. this is just a logarithmic scale. But it turns out humans have a non-linear color response, and whilst it IS like a log scale axis, I really just want to fine-tune the distribution in the colorspace of the X axis using colorAxis controls. Thing is.. #RRGGBB codes are just .. hard to tune. What I do by hand inevitably has bands. -- You received this message because you are subscribed to the Google Groups "Google Visualization API" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. Visit this group at http://groups.google.com/group/google-visualization-api. For more options, visit https://groups.google.com/groups/opt_out.
