Square Grid

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✓ Published0🌍 Public

Last edited Mar 18, 2019

Created on Mar 18, 2019

A square grid visualization displays quantities from zero to 9,999 as a hundred-by-hundred matrix of small squares, grouped into rows and blocks to represent powers of ten. The animation randomly resets the target count, then uses `d3.select` and `d3.range` to update the `rect` elements via `.transition()` with staggered delays, while a text label interpolates its number using `d3.interpolateNumber` and a custom tween. The rendering uses SVG within a 960×990 canvas, with cell and group spacing computed from the available width.

AI-generated description

A simple and effective form for visualizing magnitude is this gridded layout of colored squares. Each individual square represents one unit; each small row represents ten units; the small rows are grouped into ten, representing one hundred; lastly, ten groups per large row represents one thousand. This arrangement affords quick and natural reading of exact counts by powers of ten.

For an example of this technique in practice, see Randall Munroe’s Radiation Dose Chart.

forked from <a href='http://bl.ocks.org/mbostock/'>mbostock</a>'s block: <a href='http://bl.ocks.org/mbostock/1009139'>Square Grid</a>

gpl-3.0 Licensed

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