elizww

@elizww·4 public vizzes

Loading and Parsing CSV Data

This example demonstrates how to load and parse CSV data from a remote URL using D3.js v5. It displays the dataset’s size in kilobytes, the number of rows, and the number of columns in a large text element. The code uses `d3.csv` to fetch and parse the CSS Named Colors dataset, then calls `d3.csvFormat` to measure the data’s size. An alternative commented approach shows parsing with the Fetch API, `async`/`await`, and `d3.csvParse`. The page renders the summary statistics without any charts or visual encoding.

Mar 10, 2021

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Smiley Face Part III

This example shows a yellow smiley face rendered as an SVG, composed of a filled circle with a black stroke, two eye circles, and a mouth drawn as an arc. Built with React and D3 v5, the visualization uses the `arc()` generator from `d3` to create the mouth’s path geometry, while React components manage the SVG elements. The face is centered with a transform, and all coordinates and radii are defined as constants for layout.

Mar 2, 2021

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Smiley Face Part II

This example displays a stylized smiley face composed of geometric shapes, including a yellow circle for the head, two eye arcs, a mouth arc, and a red tongue, all rendered as SVG paths. It uses React for component structure and D3 v6’s `arc()` generator to create the curved mouth, eyes, and tongue, with coordinates computed from the window dimensions. The visualization runs within a full-screen SVG element, demonstrating a straightforward integration of D3 shape generation inside a React application.

Mar 2, 2021

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Smiley face part 1

A yellow circle with a black outline and two black eye circles forms a smiley face, centered on an SVG canvas. The face is drawn using React with JSX, rendering SVG elements such as `<circle>` for the head and eyes. The code positions each circle using computed coordinates and fixed constants for offsets, radii, and stroke width. The example uses React 17 and ReactDOM to mount the SVG into the page, demonstrating basic component-based visualization without interactive behavior.

Mar 2, 2021