Color and Size Legends

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Color and Size Legends

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Last edited Jun 13, 2020

Created on Jun 13, 2020

A static SVG demonstrates two legend styles built from reusable D3 functions. `colorLegend` maps an ordinal color scale across fruit categories with fixed-size circles, while `sizeLegend` uses a square-root scale to represent numeric values through varying circle radii. Both legends render SVG groups with labeled ticks, using `scaleOrdinal`, `scaleSqrt`, and explicit spacing and text-offset parameters. The code defines separate modules for each legend and composes them in a single SVG canvas via `selection.call()`.

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