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Fork of Marks and Channels

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Sste.jendritz@gmail.com
Last edited Sep 27, 2024
Created on Sep 27, 2024
Forked from Marks and Channels

This example illustrates the fundamental concept of marks and channels in data visualization by generating six separate SVG plots, each encoding the same array of five integers using a different visual channel: x position, y position, circle size, bar length, shape, and hue. The code leverages D3 v7 modules including `selection.join()`, `d3.symbol()` for generating shape paths, and the `schemeCategory10` color scheme. It demonstrates modular JavaScript by importing distinct functions like `xPosition` and `size` from separate files, with each function applying a unique scaling factor to the data. The rendered output shows how identical data can be represented through varied visual attributes.

AI-generated description

A demonstration of basic D3 usage to implement the concept of Marks and Channels. Includes usage of:

  • Point Marks by X, Y, Size
  • Line mark varying in length
  • Scaling factors
  • SVG Rectangles
  • selection.each()
  • SVG Path Elements
  • d3.symbol()
  • SVG attributes transform and fill
  • D3 Color Schemes
  • JavaScript Modules

Part of the Constructing Visualizations Playlist.

See also blocks.roadtolarissa.com: Marks and Channels (a vanilla JavaScript version of this).

MIT Licensed

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