Scales are functions that map from an input domain to an output range. Quantitative scales have a continuous domain, such as the set of real numbers, or dates. There are also ordinal scales, which have a discrete domain, such as a set of names or categories.
glumpy.transforms.QuantitativeScale
glumpy.transforms.LinearScale
glumpy.transforms.PowerScale
glumpy.transforms.LogScale
transform-quantitative-scale transform-linear-scale transform-power-scale transform-log-scale