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Summary

g1.scale() is a function that takes a dataset and a configuration, and returns a scale function. For example:

var scale = g1.scale(data, {    // Rename scales to scale
  metric: 'age',
  scale: 'Linear',              // This should be case insensitive (linear / LINEAR / Linear should all work)
  domain: [0, 100],
  range: ['red', 'blue'],
  scheme: 'RdYlGn',
})

var result = scale(data[0])

Benefits

This is used by g1.sanddance and g1.mapviewer for configuration-based d3 transformations.