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2. vertical barChart

✓ Published0🌍 Public
深深度碎片
Last edited Aug 1, 2016
Created on Jul 17, 2016

A vertical bar chart displays the relative frequency of each letter in the English alphabet, with values loaded from a tab-separated data file. The SVG rendering uses D3 v4's `d3.scaleLinear` to map data values to pixel heights, with each bar grouped in a `g` element and positioned via `translate`. Bar width is calculated by dividing the chart width by the number of data points, and a one-pixel gap creates visual padding. Orange rectangles show the values, while steel-blue text labels display the numeric value above each bar.

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Key

  1. padding is done by barWidth - 1
gpl-3.0 Licensed

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