Jayesh Yadav

@jayeshyadav·5 public vizzes

The Margin Convention

This example visualizes a horizontal bar chart of population estimates for the top 10 countries, ordered by their 2020 population data from the United Nations. The chart uses a margin convention to properly size the plotting area, with rect elements positioned by d3.scaleBand for the y-axis and d3.scaleLinear for the x-axis. The visualization is built with React (using hooks for state and effects) and renders to SVG, with data loaded asynchronously via d3.csv.

Nov 16, 2021

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Rendering Data with React & D3

This example shows a pie chart of CSS named colors, rendered as an SVG using React and D3. It loads color data from a CSV file via `d3.csv`, then uses `d3.pie` and `d3.arc` to compute and draw the pie slices. Each slice’s fill color comes directly from the `RGB hex value` column of the data. The chart is centered within a fixed 960×500 viewport, with React managing the loading state and rendering the SVG elements.

Nov 16, 2021

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Loading and Parsing CSV Data

This example demonstrates how to load and parse CSV data using D3 v7, displaying a summary of the dataset’s size and structure. It fetches a CSV file containing CSS named colors from a GitHub gist, then uses `d3.csv` to parse the remote data asynchronously. The code calculates the total file size in kilobytes, counts the number of rows and columns, and presents these results as large text in the browser. The implementation relies on Promises and the `d3.csv` method, with no additional visualization components.

Nov 15, 2021

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DataViz

This example shows a single yellow smiley face rendered in SVG, with randomized facial features such as eye position, eye radius, mouth width, and mouth radius. The face is composed of reusable React components (`Face`, `BackgroundCircle`, `Eyes`, `Mouth`) assembled within an SVG container. The code uses React 17 and D3 v7, specifically the `arc` generator from `d3` to draw the mouth path, while `range` from D3 creates an array of one face. Each render produces a uniquely generated face due to random values assigned to its proportions.

Nov 14, 2021

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DataViz

A simple circle rendered as an SVG element is the sole visual in this minimal data-visualization example. The page displays a single circular shape with a radius of 100 units, centered within an SVG container that has a width attribute set but no explicit height. The visualization uses no external libraries, relying instead on native HTML and SVG markup. The circle is drawn without fill or stroke styles, so it appears as a geometric outline. This example demonstrates the basic structure of embedding SVG graphics directly in an HTML document.

Nov 12, 2021