February 2019
Beginner to intermediate
284 pages
6h 20m
English
Content preview from Learn Chart.js
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Configuring scales
A scale is a transformation that enlarges or shrinks a data domain so that it fits a specific range. Chart.js scales data automatically, adjusting domain data values so they fit within the space reserved for the chart. A scale is represented by an axis, which is a directed line that represents the extent of the domain. The discrete values that are placed on an axis line are called ticks. A coordinate system with perpendicular or radial axes and discrete ticks forms a grid. Scales, axes, ticks, and grids exist in all charts, even if you don’t see them. They control how the data points will be displayed in the chart.
Cartesian charts have two scales, each represented by perpendicular axes, x and y, and radial charts have ...
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