MasteringD3js_ReuseProD3_Ch2 pt2.2d

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MasteringD3js_ReuseProD3_Ch2 pt2.2d

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Last edited Nov 21, 2021

Created on Nov 20, 2021

Forked from MasteringD3js_ReuseProD3_Ch2 pt2.2c

This example demonstrates adding and removing data in D3.js v5 bar code charts using a reusable module pattern adapted from the ProD3.js approach. The visualization generates random time-based data using an exponential distribution and renders it as horizontal bar codes within SVG containers. It includes interactive buttons that trigger data updates, showing how D3 selections and data joins handle dynamic changes. The code uses d3.scaleTime for time scaling, d3.max/d3.min for domain calculations, and d3.timeDay for time intervals, while the barcode elements are drawn as SVG rects.

AI-generated description

D3 Cook Book getting used to JS in d3 CH2 Problem in converting from v3 to v5 and looks like book has poor practice of d3.js (https://stackoverflow.com/questions/45181773/d3-js-raw-selection-get-error-uncaught-typeerror-cannot-read-property-0-of-u) This version is an attempt to put into the ProD3.js resusable pattern

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