makeData vizData of HTML Starter episode 5 makeData

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makeData vizData of HTML Starter episode 5 makeData

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Last edited Dec 26, 2022

Created on Dec 4, 2022

This example animates a dynamic set of circles whose positions and radii oscillate over time. The visualization updates 100 times per second, using a sine wave to vary the number of circles between 1 and 19, while each circle’s y-coordinate and radius also fluctuate based on its index and time. The code uses D3’s `select` and `range` functions to build an SVG scene, with the `vizData` function applying a `join` operation to smoothly update circle attributes. Data is generated on the fly by the `makeData` function using trigonometric calculations, with no external data source.

AI-generated description

D3 selection exploration.

A bare minimum HTML page demonstrating use of CSS and JavaScript.

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